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Matthias Kunick - Fast Calculation of Thermophysical Properties in Extensive Process Simulations with the Spline-Based Table Look-Up Method (SBTL)

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Matthias Kunick

Fast Calculation of Thermophysical Properties in Extensive Process Simulations with the Spline-Based Table Look-Up Method (SBTL)

Series: Energietechnik

Volume 618 2018

Results in this title

Property Calculation Algorithms for Numerical Process Simulations S. 4-49

„… 4 2 Property Calculation Algorithms for Numerical Process Simulations A prerequisite of many …” „… process simulations are discussed. The accuracy of these formulations is described in the respective …” „… model is well established in CFD and other extensive numerical process simulations. In many situations …”

Application of the SBTL Method in Computationally Expensive Process Simulations S. 107-113

„… 107 8 Application of the SBTL Method in Computationally Expensive Process Simulations 8.1 …” „… … Process Simulations Figure 47: Computational grid for the de Laval nozzle with only every third grid line …” „… Application of the SBTL Method in … Process Simulations IAPWS-IF97 basic equations and region boundaries are …”

Introduction S. 1-3

„… 1 1 Introduction Extensive numerical process simulations, such as Computational Fluid Dynamics …” „… engineering. In the development of advanced processes and plants, accurate process simulations replace costly …” „… . Moreover, numerical process simulations are used to optimize process parameters during plant operation …”

Titelei/Inhaltsverzeichnis S. I-XIV

„… Fast Calculation of Thermophysical Properties in Extensive Process Simulations with the …” „… Fortschritt-Berichte VDI Fast Calculation of Thermophysical Properties in Extensive Process Simulations with the …” „… in Extensive Process Simulations with the Spline-Based Table Look-Up Method (SBTL) Fortschr.-Ber …”

Summary and Outlook S. 114-117

„… calculation algorithms for complex process simulations, such as flow analysis with Computational Fluid …” „… be very accurate. Since these functions are called extremely often during the process simulation …” „… process simulations. This is also true for short equations of state for industrial applications, such as …”

SBTL Property Functions Based on IAPWS-IF97 for Water and Steam S. 79-94

„… functions for extensive process simulations, where water and steam properties are frequently calculated …” „… in the results of process simulations with the SBTL method from those obtained with the direct …” „… described in this section are recommended for use in non-equilibrium process simulations. For simulating …”

SBTL Property Functions Based on IAPWS-95 for Water and Steam S. 95-100

„… Steam Property Formulation” to ensure that the differences in the results of process simulations with …” „… in the results of process simulations with the SBTL method from those obtained with the direct …”

References S. 153-162

„… real-gas flow simulations, Computers & Fluids, 107, 178–188 (2015). [38] Schulze, C. W.: A Contribution to …” „… Optimized Data Density for Fast Interpolations of Thermodynamic Properties in Process Modeling, Proceedings …” „… Thermodynamic Properties of Water and Steam in Process Modelling using Spline Interpolation, Water, Steam, and …”

The Spline-Based Table Look-Up Method (SBTL) S. 50-70

„… spline algorithm as explained below. In most numerical process simulations, fluid property functions …” „… positions of the knots result from the spline algorithm as explained below. In most numerical process …” „… simulations, fluid property functions need to be continuously differentiable once. The quadratic spline …”

doi.org/10.51202/9783186618061

VDI Wissensforum GmbH - Dritev – Drivetrain For Vehicles 2018

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VDI Wissensforum GmbH (ed.)

Dritev – Drivetrain For Vehicles 2018

Series: VDI-Berichte

Volume 2328 2018

Results in this title

C. Ahn Churning oil path optimization process development – Application of moving particle simulation method to design process S. I-95-I-100

„… Churning oil path optimization process development Application of Moving Particle Simulation …” „… . Introduction During transmission design process, many different kinds of dynamic fluid simulations are …” „… process of oil flow simulation, it was impossible to apply simulation result to design because …”

B. Arnold, B. Lecointre Shift simulator for shift feel and quality development of manual transmissions S. I-425-I-440

„… the shift simulator as well as the simulation model and its validation process. It will also give an …” „… realistischen haptischen Interaktion mit dem Anwender, um in der Lage zu sein, die Simulations- und somit …” „… customer satisfaction and driving experience. To be able to frontload the process of shift quality …”

M. Werra, A. Ringleb, C. Sieg, F. Küçükay Thermal behavior of 48 V hybrid systems S. I-529-II-VI

„… unterschiedlichen Topologien zu vergleichen, können CO2-optimale Simulationen durchgeführt und analysiert werden …” „… elektrischen Maschinen in der Simulation variiert. Weiterhin werden unterschiedliche Zyklen zugrunde gelegt …” „… der Simulation ergebenden Betriebspunkte erfolgt eine thermische Simulation der elektrischen …”

N. Dudin, S. Ott, A. Albers, R. Misch, T. Rochlitzer Virtualizing validation processes of electrified powertrain generations S. II-47-II-72

„… reallocate activities from testing vehicles to testrig and simulation environments, certain process related …” „… Virtualizing Validation Processes of Electrified Powertrain Generations N. Dudin, S. Ott, A …” „… validation processes. In a research cooperation between IPEK – Institute for Product Engineering at the …”

R. Buchberger, O. Grieshofer, K. Puchner, R. Sereinig System optimization of electric drives in terms of lightweight design, acoustics and efficiency by means of modern transmission simulation methods S. II-31-II-46

„… areas of conflict need improved simulation tools and methods. With the following process and tools …” „… paper. 3. Efficiency simulation As a standard in the MPT eDrive development process, a CAE based …” „… . 5. NVH simulation The overall simulation process for the acoustic evaluation of the gear excitation …”

M. Mileti, H. Pflaum, K. Stahl TorqueLINE cone clutch: Thermo-mechanical stability of cone clutches for ATs S. I-357-I-368

„… sliding process in the simulation. They however do not affect substantially the results, as the duration …” „… to take over the synchronization process, causing no powershift to be to be possible in general [4 …” „… heat dissipated during the sliding process, multiple-disc clutches with up to 12 friction interaces …”

A. Viehmann, R. König, S. Rinderknecht Investigation of gear shifts in a parallel-series hybrid powertrain with dog clutches in a demonstrator vehicle (two-drive-transmission with range-extender, DE-REX) S. I-323-I-346

„… transmission with the drive shafts of the vehicle. Simulation based investigations have shown, that the …” „… vehicle. The transmission control was developed in a simulation environment and tested respectively …” „… multiple gear ratios. Simulation based investigations have shown, that the efficiency can be significantly …”

C. Danzer, T. Voigt, T. Günther, R. Tröger From fleet requirements to optimized Dedicated Hybrid Powertrains S. I-269-I-284

„… final simulation, prototyping and verification proceed. Fig. 1: Advanced development process …” „… functionalities for a complete vehicle fleet requires a complex development process on the system level and …” „… developed for the simulation, objectively assessment and optimization of large parameter areas of hybridized …”

F. Leonardi, A. Munoz, L. Guo, F. Liang, M. Degner Electric machine design approaches for electrified powertrains S. II-169-II-182

„… mechanical design optimization are given. INTRODUCTION The electric machine design process has …” „… design process consisting of an electromagnetic optimization followed by a mechanical verification …” „… toward a parallel process where both analysis are performed at the same time to achieve a true …”

D. Bauer, M. Alexander Loss-optimized design of a high performance electrical machine for electric and hybrid cars S. II-183-II-196

„… funktionierende Schnittstelle zur thermischen Simulation, sowie genaue Temperaturmodelle nötig. In diesem Vortrag …” „… account. Those factors are typically achieved in the end of the designing process by various loss …” „… measurements. In this presentation a model is shown to consider the impact of punching within the simulations …”

H. Neurath, L. Frerichs Holistic method to find suitable drivetrain technology and architecture – How available information can be used to reduce development complexity S. III-57-III-70

„… neglected in future development processes. Each technology has its benefits to improve current drive …” „… development approaches is not only driven by the number of possible systems but also by the number of process …” „… manner. Numerous process drives often have to be powered in mobile machines. Potato harvesters consist …”

A. Dietrich, H. Klampfl “Friction Stir Welding” – Lightweight through manufacturing technology – The path from a concept to revolutionary gearbox manufacturing S. I-385-I-396

„… findings- not only in terms of the welding process itself, but also in terms of design, simulation and …” „… manufacturing process enables simplification of the design of gearbox housings and brings about major weight …” „… principles of the Friction Stir Welding process as well as the development steps, which were necessary to …”

C. Körtgen, G. Morandi, G. Jacobs, Achim Kramer Efficient development by means of automated calibration of tractor control units S. III-45-III-56

„… land must be farmed more precisely. The working process quality is dependent on the precisely …” „… , electric and hydraulic components. This calibration process must be carried out for each tractor model and …” „… driving behaviour. The frequent repetitions of this process as well as the high number of parameters …”

Titelei/Inhaltsverzeichnis S. I-I-I-X

„… process development – Application of moving particle simulation method to design process …” „… electrified powertrains Hybrid modules Use of artificial neural networks in simulation Development tools …” „… � � � � � � � � � � � � � � � 397 K.-P. Fritsch, ZF Friedrichshafen AG, Saarbrücken f Simulation Torque prediction in vehicle drive …”

L. Dedeleit, M. Ayeb, L. Brabetz Short circuit calculation of permanent magnet synchronous machines with comsol multiphysics S. II-197-III-VII

„… simulations Established PMSM control schemes rely on the rotating DQ reference frame, where the fundamental …” „… Multiphysics is used. Here, the electromagnetic simulation of the machine takes place, with the B(H …” „… ) characteristic of the electrical sheet, by a stationary 2D-simulation taking the rotor skew ("2.5-D simulation …”

K.-P. Fritsch Industry 4.0 in the automatic transmission production S. I-397-I-412

„… evaluation functions with the simulation of manufacturing processes and specific metaheuristics (algorithm …” „… efficient production processes. By the IoT (Internet of Things), products in the private sector are …” „… production processes. For this reason, the implementation of Industry 4.0 is not only purely strategic, but …”

R. Heckmann Fully automated EOL E-drive testing – Automation and modularity for efficient testing solutions S. II-73-II-84

„… diagnostics is required. Design complexity, type variance, preparation- and testing- processes require …” „… and bus systems, and manages the energy supply, along with battery simulation, power flows, power …” „… downstream process steps), teamtechnik uses a central host PC and the appropriate teamsoft MES software. The …”

D. Engelmann, S. Herr Validierung neuer Funktionen eines mechanischen Antriebsstrangs für mobile Arbeitsmaschinen mit radindividueller Steuerung S. III-81-III-82

„… ) Abstract In order to fulfil their vehicle process task, mobile machines are equipped with at least two …” „… vehicle simulation was set up. Braking manoeuvres were simulated on a straight road and during cornering …” „… , varying parameters such as vehicle speed, coefficient of friction and trailer mass. The simulation …”

M. Hein, T. Tobie, K. Stahl Holistic approach for fatigue life design of vehicle transmissions S. I-131-I-146

„… known in the design process. Such load spectra can either result from extensive simulations or can be …” „… into account all parts of a typical transmission design process, beginning with the evaluation of …” „… decisive load spectra, passing the basic design process of the gearing and concluding with the final …”

S. Rinderknecht, A. Esser, P. Jardin Relevance of multidimensional real-driving optimization for the development of a battery-electric vehicle 5.0 S. II-117-II-134

„… , the tank-to-wheel process has to be considered. There has been diverse research on different …” „… 2.1. Thus, the energy demand for a given driving cycle can then be calculated by means of simulation …” „… so, the thermodynamic processes are described in four degrees of freedom considering cabin …”

M. Behzad, V. Saxena, M. Schaefer Thermal-hydrodynamic optimization of grooves in a wet clutch S. I-101-I-118

„… detailed flow physics. In this study, 3D CFD simulations of air-ATF two-phase flow in a grooved clutch …” „… . 1). It is known that during the process of engagement, the gap thickness decreases until it quickly …” „… , simulations were performed under isothermal (zero heat power) and thermal conditions by STAR-CCM+ commercial …”

C. Sibla, A. Donges, F. Jauch Third Generation of ZF’s 8-speed automatic transmission – Reducing CO2 emissions in the 8HP transmission S. I-23-I-32

„… system search, a theoretical simulation was conducted to determine the influence of the number of gears …” „… as well as the gear ratio spread. The result of the simulation is shown in Fig. 2. A larger gear …” „… simulations. Fig. 3 shows the results of the analysis of the remaining losses in the second generation of …”

W. Guo, M. Jordan, X. Xu The application of fast and efficient clutch coordination control in a P2 hybrid automatic transmission S. I-465-I-484

„… independent in function, but they are closely related to each other in the control process. Slip control of …” „… clutch and the engaging clutch, there is no power interruption. During the shifting process, the torque …” „… which the torque is transferred from off-going clutch to on-coming clutch. In the process of torque …”

M. Roßhuber, G. Schromm, K. Kranz The new BMW automatic transmission – Challenges in development S. I-11-I-22

„… reduced. New functions for shift process and shift points allow precise and quick gear changes with …” „… shorter slip and overlapping phases significantly reduce friction during the shifting process …” „… an earlier and faster control process. This reduces the energy losses in the converter without …”

B. Chamberlin, E. Gold HEV P2 module concepts for different transmission architectures clutch and e-motor options S. I-441-I-450

„… & harshness) or assembly complexity concerns are addressed early in the development process to avoid issues …” „… simulations have shown that with a closing time of 60% and an average closing pressure of 6 bar in the WLTC …” „… the electric machine is also a key architectural question that needs evaluation early in the process …”

M. Bahne, U. Frey, G. Schlager Transmission technology contribution to CO2 roadmap – a benchmark S. I-285-I-304

„… design data from the different transmission and vehicle types will be fed into software simulations, and …” „… automatic transmission types requires a simulation involving the same vehicle and engine parameters. For …” „… using detailed measurements and analysis, which is then fed into a simulation model. This, in turn, is …”

J. van der Meer, G. Hangen, J. Uhlig The new plug-in hybrid module as an addition to the AUDI S tronic gearbox family – Design, layout and manufacture S. I-451-I-464

„… are curved in a kind of wave form here. In the process, the wire of each coil is spread over the …” „… magnet pockets of the laminated rotor core. This assembly is heated up in the next step to a process …” „… taken to keep pressure loss to a minimum through 360° circulation. With the aid of CFD simulation, the …”

G. van Spijk, A. Klaassen, A. van der Leest, A. Brandsma, M. Tweehuysen CVT: dedicated to hybrid solutions – Setting the benchmark on all KPI’s S. I-65-I-78

„… configurations, with and without CVT. This line-up was evaluated by simulations, which enabled an equal vehicle …” „… better or worse fit of the hybrid control strategy to the cycles, the simulations are based upon dynamic …” „… (ICE) is kept constant. The e-machine speed is kept constant to continue the charging process. This is …”

R. Bredtmann, M. Beck, O. Mühlfeld, K. Olesen, O. Shajarati Robust multi-chip power module for effective integration to automotive powertrains – Danfoss DCM™1000 meets future automotive requirements S. II-1-II-18

„… : Assembly of DBB®: Double sintering and Cu-wire-bonding. Simulations and laboratory tests have proven …” „… requirements. During the following decade, the continuous process improvements in wire bonding technology …” „… . VDI-Berichte Nr. 2328, 2018 7 Fig. 3: CFD simulations on a family of meander channel geometries, without …”

doi.org/10.51202/9783181023280

VDI Wissensforum GmbH - 42. Deutsche Compoundier-Tagung 2016

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VDI Wissensforum GmbH (ed.)

42. Deutsche Compoundier-Tagung 2016

Series: VDI-Berichte

Volume 4345 2016

Results in this title

S. Heinrich, M. Dosta Modern multiscale simulation methods for solids processes and particle systems S. 135-144

„… Modern multiscale simulation methods for solids processes and particle systems Prof. Dr.-Ing …” „… of computer systems for the simulation, optimization, analysis and control of various processes has …” „… such processes, flowsheet simulation systems can be effectively used. Programs like gSOL- IDS/gPROMS …”

H. Wilms, H. Schneider Mischen und Homogenisieren in der Compoundierung – Gleichmäßige Eigenschaften der Ausgangsstoffe und Compounds sorgen für hohe Produktqualität S. 107-118

„… . Abstract Plastic Compounding is a high performance process. Variation of properties of the components …” „… and consistent properties are required. Processes for blending and homogenization of large bulk solids …” „… werden, die entweder auf Verweilzeitverteilungen [7] oder DEM- Simulationen [8] beruhen. Mischsilos …”

doi.org/10.51202/9783182443452

VDI Wissensforum GmbH - International Conference on Gears 2019

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VDI Wissensforum GmbH (ed.)

International Conference on Gears 2019

Series: VDI-Berichte

Volume 2355 2019

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K. Matsuo, Y. Suzuki, I. Moriwaki Simulation of tooth flank profile in the gear honing process S. 1707-1724

„… Simulation of tooth flank profile in the gear honing process Dipl.-Ing. Kouji Matsuo, Hardware …” „… in a series of processes consisting of hobbing, heat treatment and gear honing. In order to reduce …” „… the cost of gear honing, which is the last process in this sequence, the number of dressing gear …”

M. Lutz, J. Hermes Use of multiple-body simulation during the development process of gear units S. 1077-1086

„… Use of multiple-body simulation during the development process of gear units Markus Lutz …” „… multi-body simulation effectively, an efficient model creation process is necessary. Particularly in the …” „… multitude of innovations multiple-body simulation has been further developed from a simulation tool, mainly …”

J.-A. Meis, F. Teklote, M. Borowski Simulation of the tooth root strength under consideration of material quality, finishing process and size effects S. 161-172

„… Simulation of the tooth root strength under consideration of material quality, finishing process …” „… simulation model was developed to simulate the stresses in the tooth root via FEM, and to perform a strength …” „… even for conditions which are not covered by the standards yet. In terms of ISO 6336-3 the simulation …”

M. Schrank, C. Kiesewetter-Marko, C. Lopenhaus, A. Epple, T. Bergs, C. Brecher Approach for modeling elasticity in the gear honing process S. 1697-1706

„… simulation model has to be build. For an analogy gear honing process an FE simulation is build. With the …” „… element model of the gear honing process must be developed. The results of the finite element simulation …” „… HK, Peters J, Inasaki I et al. (1992) Modelling and Simulation of Grinding Processes. Annals of the …”

J. Brimmers, M. Willecke, C. Lopenhaus, C. Brecher Investigation of the potential of using surrogate models in the gear design process S. 727-740

„… Outlook The gear design process is relying heavily on the use of simulation methods for predicting the …” „… Investigation of the potential of using surrogate models in the gear design process Jens …” „… RWTH Aachen University 1. Abstract The process of gear design usually starts with very few given …”

F. Rudolph, S. Schumann, B. Schlecht Consideration of solid particles in a gear lapping simulation S. 1675-1686

„… lapping process. The fast tooth contact simulation in BECAL hereby enables a sufficiently high temporal …” „… coefficient itself. Finally, the lapping simulation is to be integrated in the gear design process, giving …” „… Consideration of solid particles in a gear lapping simulation Dipl.-Ing. Felix Rudolph, Dr.-Ing …”

M. Trubswetter, M. Otto, K. Stahl Evaluation of gear flank surface structure produced by skiving S. 1799-1812

„… cutting mechanism, the process simulation and the chip deformation. Guo et al. show that, in the presence …” „… results of an individual error test [28]. In [29] a simulation of the cutting process deviations are …” „… simulation of the skiving process. Cutting forces and corresponding deviations of the machine are neglected …”

R. Beilicke, L. Bobach, D. Bartel Transient 3D TEHL simulation of spiral bevel gears under mixed friction conditions S. 529-540

„… epicycloid, depending on the cutting process. In the simulation model the geometric definition of the tooth …” „… Transient 3D TEHL simulation of spiral bevel gears under mixed friction conditions Dipl.-Ing …” „… Bartel, Otto von Guericke University, Magdeburg Abstract A simulation model for the transient …”

A.-K. Wiemann, M. Stein, K. Kniel Temperature influence on involute gear measurements S. 1557-1566

„… support in CAD modelling and FEA simulations. 1. Introduction For a reliable assessment for manufactured …” „… be regarded as a quality value for the complete measurement process. Small measurement uncertainties …” „… can only be reached when all influences affecting the calibration process are well-understood and …”

A. Weis, T. Deliktas, M. Liewald, N. Missal Cold forging of gear components by a modified Samanta process S. 1765-1776

„… numerical simulations using Deform 3D™. In the simulation, a hollow forward extrusion process was modelled …” „… Cold forging of gear components by a modified Samanta process André Weiß, Tashin Deliktas …” „… loads, which requires the use of expensive and high-strength tool steels. High process forces result …”

Titelei/Inhaltsverzeichnis S. I-XXVI

„… Simulation of the tooth root strength under consideration of material quality, finishing process and size …” „… simulation during the development process of gear units 1077 M. Lutz, J. Hermes …” „… University Simulation of tooth flank profile in the gear honing process …”

W. Wagner, S. Schumann, B. Schlecht Co-simulation of the tooth contact of bevel gears within a multibody simulation S. 217-228

„… pre-process step In preparation of the simulation, the module performs a pre-processing step. This aims to …” „… Co-simulation of the tooth contact of bevel gears within a multibody simulation Dipl.-Ing. Wolf …” „… such systems is complex, challenging and sensitive to its discretisation. The co-simulation within a …”

P. L. Yin, J. H. Wang, C. X. Lu Digital twin of gear measuring center (dtgmc) S. 1521-1532

„… simulation and analysis of actual measuring process was proposed in this paper, the precise mapping …” „… optimization of measurement strategy. The simulation results show the effectiveness of DTGMC, which provides a …” „… optimizing product design. It is the most advanced concepts in product simulation, testing and optimization …”

J. Klose, F. Zanger, V. Schulze Gear skiving of external gears with internally geared tools S. 1579-1590

„… , especially small tool diameters show high potential for more productive processes. The simulations were …” „… Technology, Karlsruhe Abstract Gear skiving is a continuously generating machining process used to …” „… the workpiece. The skiving process of internal gears is inversed to convey the enveloping tool motion …”

M. Uhlig, C. Pastor Simulation tool-chain for plastic gear design S. 1453-1460

„… requirements. Fatigue assessment based on process simulation, structural FE calculation and local stress …” „… Simulation tool-chain for plastic gear design Dipl.-Ing. Martin Uhlig, Robert Bosch GmbH …” „… highly integrated and optimized. Advanced simulation tools allow appropriate design to meet the …”

J. Han, Y. Zhu, X. Tian, L. Xia A method of tooth longitudinal modification for internal gearing power honing S. 1725-1738

„… , Hefei, Anhui, China Abstract As a high-efficiency and high-precision gear finishing process, the …” „… of the proposed method is verified by numerical simulation. Keywords: Longitudinal modification …” „… As an efficient and high-precision gear finishing process, the internal gear honing is widely used …”

C. Natali, A. Rezayat, D. Park, P. Jiranek, T. Tamarozzi Analysis of manufacturing variability on the transmission error of an internal gear pair using a multibody framework S. 1099-1110

„… assembly errors VDI-Berichte Nr. 2355, 20191100 [14] [15] . The validation process involves the simulation …” „… simulation based on different measured tooth flank topologies provided by the manufacturer. The simulated TE …” „… manufacturing and assembly errors, which is inevitable in any manufacturing process. Evaluating the effect of …”

B. Azzam, F. Harzendorf, R. Schelenz, G. Jacobs, W. Holweger White etching crack bearing failure: identification of high risk lubricant compounds using artificial neural networks S. 569-582

„… . Seer- WorksTM generates a so called risk class for each CCI simulation. The simulations and associated …” „… risk class is assigned to each CCI simulation belonging to each lubricant variant, the predominant …” „… class for all CCI simulations within a lubricant variant dictate the risk class for that variant in a …”

M. Solf, C. Lopenhaus, T. Bergs Influence of elastic effects on the grinding force in plunging bevel gear grinding S. 1687-1696

„… Simulation of Grinding Processes. In: CIRP Ann. - Manuf. Technol., 41. Jg., 1992, Nr. 2, S. 677–688 [5 …” „… , M.; Steinmann; P.; Weinert, K.: Modelling and simulation of process: machine interaction in grinding …” „… finishing of gears has become a necessary process step for many applications. Hard finishing by grinding is …”

K. Holder, C. Salander, S. Rudolph, R. Stetter Automated requirements-driven design synthesis of gearboxes with graph-based design languages using state of the art tools S. 713-726

„… , which perform calculations and simulations, are used during the product development process (PDP) of …” „… which automate the design process and avoid redundant manual work need to be developed and deployed …” „… consistency and to generate automatically multi-disciplinary models and simulations thereof. The paper shows …”

K. Smrczkova Wear resistant plastics – Bespoke plastic compounds for plastic gears S. 1345-1356

„… ) Finally, tool design with the considerations of available machines and process optimization rounds the …” „… development process The choice of polymer material depends on the operating conditions. For example, PA tend …” „… and rheological properties. Once a material is chosen a gear simulation supports during the gear …”

Y. Cai, L. Yao, J. Ding, S. Ouyang, J. Zhang Analysis of dynamic transmission error for nutation drive with double circular arc gears under assembly errors and different loads S. 343-354

„… of two-stage nutation drive In the simulation process, the input speed is set to 1500 rpm, the …” „… assembly errors and varying load are obtained, and the simulation results are analyzed reasonably by using …” „… simulation respectively. Wu and Liu [10] obtained and analyzed the DTE of toroidal involute gear based on …”

U. Kissling, U. Stolz, A. Turich Combining gear design with manufacturing process decisions S. 1533-1544

„… important. These new, smart systems include gear design, process simulation, manufacturing and metrology …” „… Combining gear design with manufacturing process decisions Dr. Ing. U. Kissling, KISSsoft AG …” „… Corporation, München Abstract Gear manufacturing processes are continuously improved, pushed by the …”

H. Wang, X. Wen, C. Zhou, Z. Liu Wear prediction for double helical gears grinded by forming method S. 315-330

„… the characteristics of the gear grinding process, such as force, power, temperature, and surface …” „… integrity. Kruszyński et al. [1, 2] presented the mathematical model of a generating gear grinding process …” „… CBN wheel. Moreover, an empirical and analytical process model for generating gear grinding was …”

M. Heider, B. Pinnekamp, A. Beinstingel Planetary gears: modes, noise and modifications application and validation of simulation and experiment S. 57-68

„… Planetary Gears: Modes, Noise and Modifications Application and Validation of Simulation and …” „… early in the development process with the aim to exclude them from the most important operating …” „… ) As the development process progresses, more and more information about the drivetrain is available …”

B. Karpuschewski, T. Lierse, S. Schulze Inline-deep rolling – a new approach to increase tooth root load capacity S. 1787-1798

„… . Compared to shot peening, this finishing process offers the essential advantage of a greater depth effect …” „… miscellaneous manufacturing and assembly processes, which can, for example, produce improved material …” „… this area [1], [6]. By means of numerical simulations, experimental investigations and fracture …”

F. Andary, G. Jacobs, J. Berroth Application of pre-calculated gear mesh stiffness on elastic gear bodies in multi-body simulation S. 1087-1098

„… process is carried out for the gear geometry shown in Fig. 3. Time domain simulation In order to import …” „… Application of Pre-calculated Gear Mesh Stiffness on Elastic Gear Bodies in Multi-Body Simulation …” „… Elements and Systems Engineering (MSE), RWTH Aachen University, Aachen Abstract Multi-body simulation …”

H. Aurrekoetxea, I. Ruiz de Ocenda Experimental and theoretical study of load mesh factor for different boundary conditions in wind gearbox planetary stages S. 835-844

„… tests based on strain gauge measurements. Recorded results are used for simulation model updating in …” „… , manufacturing process accuracy is one of the key aspects to control the Mesh Load Factor, and the influence of …” „… in which simulations and experimental data obtained by strain gauge measurements at sun gear roots …”

D. Park, F. Santini, A. Rezayat, T. Tamarozzi, J. Pavel Experimental and numerical investigation of helical gear transmission error under gear misalignments S. 355-366

„… friendly process to build up high-fidelity models of gear transmissions for multibody dynamic simulation …” „… gears to shafts, a multibody simulation with an advanced gear contact solver has been conducted and …” „… of the static and dynamic system behavior for comparison with simulation results. However, it is a …”

D. V. Kalinin, J. Y. Temis Influence of tooth profile modification on planetary gear sets dynamic S. 777-784

„… the speed of solving process of the analytical model and the accuracy of calculating the mesh …” „… dynamic processes on a real objects. When conducting experimental studies as part of a planetary gearbox …” „… simulation of the planetary set was carried out using a finite element method in the dynamic analysis module …”

F. Concli, C. Gorla Dynamic models for planetary gearboxes SHM S. 471-480

„… simulation is not catcher: for this reason the process of validation is still ongoing …” „… first step of the activities has involved the simulation and validation of models with a back-to-back …” „… hard engineering challenge. Simulations were performed both for the healthy systems as well as in …”

F. Mieth, B. Schlecht Loaded tooth contact analysis of bevel gears with complex gear body S. 185-192

„… complex gear body geometries are in use, this simplified simulation approach has to be reconsidered …” „… simulation is still performed at one load tooth respectively for the whole gear. VDI-Berichte Nr. 2355 …” „… influence coefficient method with a FEM contact simulation with and without gear body. For this purpose …”

H.-W. Raedt, T. Wurm, A. Busse Lightweight forging initiative III: transmission lightweighting potential based on design and material concepts in a split-axle hybrid vehicle and a heavy-duty truck S. 1777-1786

„… increasingly important to involve all partners of the process chain – from the steelworks and the forging …” „… development process. Lightweighting Potential Achieved by Forging Technology 6. Development of …” „… years. The improved possibilities offered by material-flow simulation enable the forging of …”

K. Stahl Foreword S. 1-2

„… dynamic behavior, on component level, like CFDsimulations of the oil flow and TEHL simulations and even on …” „… smallest scale, atomic simulations in tribology. Therefore, digital twins do not only offer potential in …” „… and manufacturing processes. Furthermore, methods and technologies to meet the rising demands …”

M. Ruzek, F. Ville, P. Velex, Y. Marchesse Windage power loss reductions in high-speed gear pairs S. 91-100

„… gear. A full 3D simulation involving a carter shape was done by Concli (14). He compared successfully …” „… the single gear simulation with experimental power loss measurements. Recently, the same author …” „… proposed a full 3D simulation of a fully immersed gear pair and compared it to the experimental results …”

A. Spatzig, N. Fujimura, T. Monden, T. Kikuchi, K. Yoshikawa, A. Georgoussis Machining process solutions to support the reduction of distortion in ring gears after heat treatment S. 1635-1646

„… Machining Process Solutions to support the Reduction of Distortion in Ring Gears after Heat …” „… combination of hardening and machining processes therefore plays a key role in a structurally stable and …” „… geometrically excellent part. Nitriding, nitrocarburizing or ferritic nitrocarburizing processes are utilized …”

J. Ahn, C. H. Choi, J. H. Yu, S. C. Kim A study of dynamic behavior of tractor pto driveline to analyze a rattle noise S. 461-470

„… dynamic behavior of the pinion. And 1D simulation was conducted to analyze the hysteresis behavior …” „… according to rotational velocity and torsional stiffness, and the simulation results are compared with …” „… Words : Rattle Noise, PTO driveline, 1D simulation, lab test 1. Introduction Tractors are …”

B. Schlecht, T. Schulze Improved tooth contact analysis by using virtual gear twins – How helpful is AI for finding best gear design? S. 203-216

„… are load spectra or transient load data from simulations. Under all these conditions, the tooth flank …” „… determined via the different calculation processes. The respective calculation process VDI-Berichte Nr. 2355 …” „… stages without complex calculations or numerical simulations (e.g. loaded tooth contact analysis or …”

X. Yang, N. Yue, Q. Yang, L. Wang, Y. Shao, H. Xiong Dynamic simulation for double input compound power-split mechanism of in-wheel motor driven EVs S. 481-492

„… Dynamic Simulation for Double Input Compound Power-split Mechanism of In-wheel Motor Driven …” „… mechanism, the dynamic simulation of low gear and high gear operation are carried out. The results show …” „… operation rather than high gear ones. Additionally, the dynamic simulation of a complete working cycle with …”

P. H. O. Teixeira, C. Lopenhaus, C. Brecher, T. Bergs Discretization of the contact conditions considering the grain engagement for generating gear grinding S. 1739-1748

„… .; Inasaki, I.; Paul, T.: Modelling and Simulation of Grinding Process. CIRP Annals, 41, 1992, 677-688. [5 …” „… finishing process mainly used to meet the high requirements for gears in terms of geometry and surface …” „… to the complex contact conditions induced by the process kinematics. The objective of this work is …”

D. Marino, H. Binz, M. Bachmann Analytical design method for beveloid gears with a small shaft angle and offset S. 391-402

„… iterative or simulative methods to the design process are reasons for this. Fig. 1: Schematic diagram of …” „… With the results from the pre-dimensioning process and the manual inputs, the system of equations …” „… applicability of the developed method VDI-Berichte Nr. 2355, 2019 397 using unloaded contact simulations …”

J. Fechler, S. Oberle, M. Knopfle, V. Merz Improvement of the noise and vibration behavior of an electromechanical brake booster – An integral approach S. 1431-1442

„… production process of the parts The transfer path itself The eigenfrequencies of the system are …” „… the changes was simulated upfront by finite element simulations. VDI-Berichte Nr. 2355, 20191434 …” „… geometry of the gears is essentially given by the manufacturing process. The intermediate wheel is moulded …”

M. Zapf, J. Klose, F. Zanger, V. Schulze Analysis of process forces and surface topography when manufacturing case-hardened gears by double flanked hard skiving S. 1647-1658

„… Analysis of process forces and surface topography when manufacturing case-hardened gears by double …” „… stable processes, because there’s only one flank in contact during cutting, but is much less productive …” „… in one process step. The complex kinematics of skiving are characterized by their asymmetric chip …”

X. Tian, Y. Wu, J. Han, L. Xia Online estimate and compensation of the gear machining error based on electronic gearbox cross-coupling controller S. 1835-XXVIII

„… multi-axis controller, which is used to realize the gear generation process. Gear processing quality is …” „… , and compensation of the gear machining error during the gear hobbing process. First, an efficient …” „… : Electronic gearbox; Generating process; Cross-coupling controlling; Hobbing 1. Introduction Gear hobbing …”

T. Pinel, J. Bruyere, P.Velex, L. Billet Parametric Study of a 3D trochoidal reducer model with involute profile S. 437-448

„… pine and bore can be modeled according to the same approach. This process is presented for tooth …” „… at each time-step of the simulation. 3. Quasi-static and Dynamic analysis a. Validation of the …” „… the simulation, which is expressed by the effective contact ratio. Two input torques, on an internal …”

C. Gosselin, E. Fritz, L. Seiler Design and CnC manufacturing of face milled beveloid gears S. 379-390

„… ., Involute Simulation Softwares Inc., Canada; Eberhard Fritz, Lucas Seiler, Product Development, ESA …” „… of productivity and quality, the hobbing process is preferred since continuous indexing ensures very …” „… generation process. Table 1 below gives the principal characteristics. Figure 10 below shows 5 sections of …”

A. Schiller, T. Beckmann, M. Fratz, T. Seyler, A. Bertz Optical gear measurement: holographic system for 100 % inspection S. 1545-1550

„… detect. Furthermore, it is possible to perform noise analyses and simulations of outstanding quality …” „… and simulations. Moreover, novel approaches for gear data analysis can be introduced. Current …” „… measurement process, simplify the measurement setup and will push the field even further. Measurements on …”

P. Scholzen, C. Lopenhaus, C. Brecher, D. Billenstein, F. Rieg, G. Hammerl Investigation of the influence of elastic gear body structures on the operational behavior of gears S. 785-796

„… the design process or in the simulation. 2. Finite Element Contact Algorithm Due to the …” „… load-induced deformations of the elastic environment in the tooth contact a simulation of contact conditions …” „… evaluation of the influence on the operational behavior. First, the method for the simulation of free shaped …”

C. Liu, W. Shi, F. Maria Cura, A. Mura Prediction of transmission accuracy lifetime of RV gearbox S. 425-436

„… of point Pi in the process (defined as Pi rs ). For the convenience of calculation, it is assumed …” „… of point Pi in this process is given by: 1 P12i i r r r r P i ih k P P s (14) The …” „… appeal process is repeated until point Pi exits the contact area (position nr ). Therefore, the total …”

J. Thomas, C. Gosselin, P. Eng Design and rating by means of loaded TCA of straight bevel differential gears S. 493-504

„… Thomas, ZG Hypoid GmbH, Aschheim; Claude Gosselin, P.Eng., Ph.D., Involute Simulation Softwares Inc …” „… exact simulation of the micro geometry; the method is also applicable to forged bevel gears. Once a …” „… approach for the simulation of parallel, concurring and offset axis gears, i.e. spur, helical, face, bevel …”

A. Carbonelli Transferring knowledge about gear systems to machines in order to improve diagnosis efficiency S. 1065-1076

„… rise of Machine Learning technology is a new tool to improve efficiency of predictions and simulations …” „… its whole process oriented by the goal of the analysis: determine whether a given gear system is …” „… world. Evolution is a slow process when it deals with biological and physiological aspects. With the …”

J. I. Pedrero, M. Pleguezuelos, M. B. Sanchez Load sharing model for high contact ratio spur gears with long profile modifications S. 985-996

„… along this extra contact interval reveal a parabolic loading process between actual and theoretical …” „… start of contact points [2, 3]. A similar parabolic unloading process occurs at the end of contact [2 …” „… modification is not as critical as the previous one because the parabolic unloading process induces a sudden …”

N. Yildirim, M. Yasar, E. Yildirim, F. Erdogan, B. Karatas Experimental verification of improvements in static and fatigue bending capacity of spur gear tooth via tooth root design optimization S. 959-972

„… effective technique for optimization process with improved fatigue life under the same tooth load. 1 …” „… to minimum through use of standard gear materials and standard gear manufacturing processes, gears …” „… in literature [1-3] for generation type gear manufacturing processes. Experimental verification …”

R. Ratnagiri, M. Kato, H. Kuchelka Advances in polyacetal materials for gears S. 1357-1366

„… illustrate how the combination of fundamental understanding and simulation can lead to improved formulations …” „… tool for plastic gears that provides realistic simulation of plastic gears’ lifetime, durability, and …” „… frequency can be considered with this approach. The proposed simulation tool can predict fatigue crack …”

N. Wan, L. Yao Efficiency modelling and analysis for a novel double-arc bevel gear nutation transmission system for pure electric vehicles S. 1253-1258

„… ., et al. [7] introduced a crown gear into the conjugating processes of the circular-arc spiral bevel …” „… , Haung S J, Wei G W, Dai J.S.: Mathematical modeling and simulation of the external and internal double …”

A. D. Rauch, C. Wirth An easy-to-use and fast computational model for the prediction of the influence of manufacturing errors on gear transmission error S. 645-656

„… of any contact line. This process is illustrated in Fig. 3. Neglecting deformation this is per …” „… range. Also, the target values for microgeometry modifications are often determined by simulations …” „… Table 3. Both variants were manufactured in compliance with the specified tolerances. In the simulation …”

K. Daubach, Manuel Oehler, Bernd Sauer A method to determine local wear of worm gears with highly resolved circumferential backlash curves S. 595-606

„… defines a standardised process to generate a circumferential backlash curve with high spatial resolution …” „… variations of single worm gear teeth and has high potential for automation and process monitoring. 2 …” „… Simulation des Verschleißverhaltens von Schneckengetrieben mit unvollständigem Tragbild. Technische …”

B. van Wissen, M. Kanters, F. Mitsuzuka, K. Iwanaga, Ir. A. Hasanovic Predicting wear for high performance plastic gears S. 1323-1334

„… combines results from a tribological setup, a gear tester, and finite element simulations. It is shown …” „… the wear rate of both discs. Simulations A 2D plane stress FEM approach was used to model the gear …” „… and 0.3 Nm and b) ∆ results obtained from FEM simulations for 0.2 Nm and 0.3 Nm at 145°C, resp. 155 …”

D. Mevissen, C. Lopenhaus, T. Bergs Calculation of mixed friction conditions in large-scale rolling-sliding contacts for different surface structures S. 555-568

„… rolling-sliding contacts can be significantly improved by conditioning the surfaces in the manufacturing process …” „… roughness valley) is higher for the simulation than for the experiment. The offset between experiment and …” „… chemical additives during the isotropic superfinishing process, there is a possibility that remaining …”

C. Boehme, D. Vill, P. Tenberge Extension of the application limits for crossed helical gearboxes by new geometries for smaller sliding paths or smaller contact pressures S. 1299-1310

„… straight line on a rolling circle. The calculation process starts with the basic definition of 2 spur …” „… . 2355, 20191300 1.1 Basics of the calculation process First, the centre distance a and the axis …” „… pair was also documented as shown in Fig. 8. Fig. 6 shows the correlation for the exemplary simulation …”

H. Blettery, D. Talbot, A. Kahraman, H. Xu A methodology for measurement of loaded transmission error of hypoid gear pair with misalignments S. 619-634

„… position. These misalignments alter contact patterns along tooth surfaces, in the process changing tooth …” „… to: • position and hold in place a hypoid gear pair in a precisely controlled manner, in the process …” „… ] Gosselin, C., Guertin, T., Remond, D., Jean, Y., 2000. “Simulation and experimental measurement of the …”

L. Ryali, D. Talbot A gear load distribution model for planetary gear set with a flexible carrier S. 809-822

„… freedom, DoF’s, in the FE model are too large, to make the process computationally efficient, Guyan …” „… discussed simulations. Table 1: Parameters of the example sequentially phased planetary gear set. Gear …”

F. Siglmuller, U. Weinberger, J. Gotz, M. Sedlmair, T. Lohner, K. Stahl Scaling of planetary gear stages according to gear loss similarity S. 115-126

„… leads to a change in several relevant properties of the gears. The aim of a scaling process is the …” „… consistent in a similar way. The aim of this paper is to describe and define a process that allows the …” „… the gears is put in focus of the analysis. As a practical example, the process is applied to scale …”

doi.org/10.51202/9783181023556

VDI Wissensforum GmbH - Land.Technik AgEng 2017

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Land.Technik AgEng 2017

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Results in this title

C. Korn, T. Herlitzius Coupled CFD-DEM simulation of separation process in combine harvester cleaning devices S. 199-210

„… Coupled CFD-DEM simulation of separation process in combine harvester cleaning devices Dipl …” „… – Discrete Element Method) for the simulation of the separation process of grain and material other than …” „… of a valid simulation model. The study presented in this paper investigates the separation process …”

J. Redenius, M. Dingwerth, A. Ruckelshausen, J. Hertzberg, T. Krause, B. Kettelhoit A multilevel simulation framework for highly automated harvest processes enabled by environmental sensor systems S. 157-164

„… A multilevel simulation framework for highly automated harvest processes enabled by environmental …” „… , including models for powertrain, suspension and process simulation of a harvesting machine. Message …” „… article proposes the concept of a simulation framework for environmental sensors with multilevel …”

C. Körtgen, G. Morandi, G. Jacobs, A. Kramer Efficient development by automatic calibration of tractor transmission control units S. 291-296

„… currently used manual parameterization to an automatic process. The automatic process is defined as a …” „… more precisely. The working process quality is dependent on the precisely controllable tractor speed …” „… components. This calibration process must be carried out for each tractor model and repeated for every …”

D. Hermann, F. Schøler, M. L. Bilde, N. A. Andersen, O. Ravn Computer based Control of the Separation Process in a Combine Harvester S. 599-604

„… process with loss and grain damage sensors. Fig. 3a shows a simulation of the two observers for broken …” „… Computer based Control of the Separation Process in a Combine Harvester M.Sc. D. Hermann, AGCO …” „… and a novel rotor speed control scheme for the separation process. In Section 3 the design and …”

A. Meiners, S. Häberle, S. Böttinger Advancement of the Hohenheim Tractor Model – Adaption on current demands S. 245-254

„… acquisition, simulation models are built up to determine the fuel consumption of agricultural process chains …” „… occurs within the superordinate overall simulation model. A summation over the whole process chain in …” „… potentials by analysing entire agricultural process chains. The aim is to derive recommendations for owners …”

A. Bürger, S. Böttinger Driving comfort analysis of an agricultural tractor with the Hohenheim Tyre Model on complex tracks S. 263-272

„… test methods. Accompanying the design process of a tractor, simulation models of these vehicles can …” „… model used for the simulation process, which needs to reproduce the force excitations based on a high …” „… of the development process, virtual methods based on the objective evaluation of vibration values …”

Á. Kovács, I. J. Jóri, G. Kerényi A new discrete element model (DEM) for maize S. 211-218

„… simulation of the corn threshing process.” Advanced Powder Technology, No. 26 (5) (2015) pp. 1400-1409. [8 …” „… ] Jünemann, D.; Kemper, S.; Frerichs, L.: Simulation of stalks in agricultural processes – applications of …” „… there is no suitable simulation method that could predict the interactions among fibrous agricultural …”

Titelei/Inhaltsverzeichnis S. I-XVII

„… Grain Process Simulation C. Korn, Coupled CFD-DEM simulation of separation process in 199 T. Herlitzius …” „… electric autonomous agricultural machine – 15 O. Lagnelöf Simulation of all operations on a Swedish farm …” „… Page Data Management and Simulation Concepts J. Schroeter, Real-time View and Documentation of …”

C. Geiger, M. Geimer Efficiency Optimisation of a Forestry Crane by Implement Hydraulics with Energy Recovery S. 175-184

„… loading processes, reference loading cycles have been established based on field measurements of real …” „… logging processes. These standardized reference cycles represent recurrent loading cycles in a working …” „… environment. 2. Motivation In a fully mechanised harvesting process like cut-to-length (CTL) logging …”

C. Birkmann, T. Fedde, L. Frerichs Influence of the Drive Train and Chassis on Power Shift Operations in Standard Tractors S. 439-446

„… achieve an efficient transmission application process it is useful to have a general understanding of the …” „… influence is analyzed with the help of a complete tractor simulation model which is based on a given …” „… swop”) based on [5] Figure 2 shows the corresponding “one swop” power up shift process including …”

J. Schwehn, S. Häberle, S. Böttinger Development of energy requirements of tractors and implements S. 237-244

„… steps in the process chain of the selected cultivation system. The further task of the simulation model …” „… along the process chain in agriculture is the aim of the joint research project “EKoTech – Efficient …” „… further technologies and strategies along the process chain to reduce the fuel and energy consumption of …”

D. Engelmann, M. R. Unger, M. Geimer Testing and Benchmarking a Powertrain with Independent Wheel Control for Heavy Machinery S. 303-314

„… development process, it is necessary to have a method to appropriately validate the properties once defined …” „… the system design phase and continuously supporting the development process. MOBiL - A test method …” „… passenger car industry during development processes. The original concept of XiL, however, has to be …”

B. Köber-Fleck, P. Ahlbrand, S. Böttinger, H. Korte Telematics and Big Data Analytics – An Effective Way to Quantify Fuel Saving Potentials – A Proof of Concept by the Joint Research Project EKoTech S. 227-236

„… , which enable us to identify potentials for efficiency gains in process chains. This paper describes a …” „… technology’. It aims to evaluate saving potentials in selected agricultural process chains in the period …” „… ‘Cross-Industry Standard Process for Data Mining 1.0’ (CRISP-DM 1.0) methodology is according with the …”

W. Stark, C. Pieke Efficiency Optimization by Using “Vehicle in the Loop” Test Methodology S. 399-406

„… vehicle hardware and simulation platform allows a realistic maneuver based testing for vehicle …” „… integration of the real vehicle components late in the development process. This typical trend always stands …” „… requirements as early as possible in the development process. DLG PowerMix test is one of the most important …”

K. Ritters, P. Winkelhahn, L. Frerichs, B. Kriebel Determining saving potentials in a tractor drivetrain using a simulation model and measured operating data S. 297-302

„… Determining saving potentials in a tractor drivetrain using a simulation model and measured …” „… in the powertrain for different operating states. The use of simulation models is appropriate to be …” „… identifying critical power sinks, counter-measures can be developed and implemented into the simulation model …”

M. Sieting, J. Krüger, H. J. Meyer Evaluation of a Suspension Concept of a Hydropneumatic Full Suspended Tractor with Focus on the Dymnamics in Combination with Implements S. 281-290

„… multi-body simulation model, validated by measurement results that is built to calculate a large range of …” „… concepts (including the TUB-Trac) based on simulation results will be discussed. 1. Introduction At …” „… analysis of its system behavior. The simulation model, which is calculated with MATLAB, is designed in …”

F. Hantschack, R. Rahmfeld, J. Bagusch, A. Meyer, E. Dohm Development of a high performance continuously variable drive for mobile agricultural and construction machinery S. 315-322

„… shift process. This offers on the one hand high user comfort and on the other hand advantages from the …” „… repeated shifting processes. Power-split solutions are not available at present and, in this performance …” „… shifting at a high-performance level. Image 4 shows some simulation results of rotation groups with …”

doi.org/10.51202/9783181023006

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