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VDI Wissensforum GmbH - Dritev – Drivetrain for Vehicles 2020

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VDI Wissensforum GmbH (ed.)

Dritev – Drivetrain for Vehicles 2020

Series: VDI-Berichte

Volume 2373 2020

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M. Grill, M.-T. Keskin, M. Bargende Virtual RDE: Ensuring RDE conformity of hybridized powertrains in the early stage of the development process S. I-343-I-354

„… driving cycle. Consequently, "Fast Running Models" (FRM) that reduce the computational effort needed for …” „… . A series of the RDE requests as well as the emission calculation itself are related to extensive …” „… reduction is insufficient for RDE demands. 2. Fast-running 1D flow simulation model coupled with …”

B. Pohle, M. Clauß, J. R. Schwarz, E. Schwiederik, D. Lasuen Design optimization of battery systems by multiphysics simulation S. II-89-II-96

„… calculation of lithium concentration in the particles of active material, in the electrolyte and at the …” „… and separator is divided in three sectors. The full cell has in the sum 13 calculations nodes. All …” „… spherical geometry. Every active material has a specific particle radius. For the calculation is used a …”

D. Kieninger, J. Hemsen, G. Witham The highly integrated ModulED drive module – Holistic concept design S. I-27-I-44

„… models and fast analytical calculations. Promising rough design variants are selected for further …” „… suitable) can be evaluated. 4.2 Transmission: Design and Calculation Process The aim of the design …” „… . 2373, 202032 Fig. 4: Housing design process 4.3 Electric Machine: Design- and Calculation Process …”

D. Schöneberger, S. Rinderknecht, D. Reitmeier, A. Mertens Development of a transmission control for an innovative high-speed powertrain using motor-related control – Simulative approach to develop an angular position controlled engagement of dog clutches in ... S. I-195-I-212

„… particular challenge in Speed4E are the high absolute speeds of the electric motors, which require fast AD …” „… dog clutch and actuator, the shift control is crucial for fast and comfortable gear changes. The main …” „… axial force at the shift sleeve. This is for example necessary to achieve fast mechanical …”

T. Korb, M. Nussbaumer, S. Rinderknecht Generic optimization environment and knowledge-based guided evolutionary algorithms for automated transmission calibration – Method to generate a knowledge base through impact analysis of parameters a... S. I-355-I-384

„… signals, regarding the calculation of the VDV rating, for instance. Its formula is taken from [26 …” „… background to use this knowledge for a faster optimization. As the latter, the following attributes are …” „… calculation, because there are many unknowns such as the time-resolution or rather relation of step width to …”

F. Völkel, M. Tietz, A. Schamin, S. Giehl Rolling into the future – Bearing solutions for electric mobility S. I-103-I-118

„… shaft. VDI-Berichte Nr. 2373, 2020 105 2. Rolling Bearings for Fast Rotating Shafts 2.1. The …” „… ). The following steps were carried out for the purpose of validation: Calculations to determine the …” „… mechanical stress placed on the plastic ring Calculations and tests regarding temperature distribution …”

F. Brezger, A. Moser Investigation and potential analysis of shiftable form-locked one-way clutches for hybrid and electric vehicles S. I-133-I-148

„… millimetres in a very short time. This needs high actuation power to accelerate the components axially fast …” „… residual torque of 5 Nm was considered. To verify calculations, experimental tests were conducted …”

doi.org/10.51202/9783181023730

VDI Wissensforum GmbH - Innovative Antriebe 2018

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VDI Wissensforum GmbH (ed.)

Innovative Antriebe 2018

Series: VDI-Berichte

Volume 2334 2018

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M. Grill, S. Hann, Sven Fasse, Mahir Tim Keskin, M. Bargende Concept studies of SI engines 2030+ – Challenging tasks in 0D/1D engine simulation S. 107-136

„… sensitivity of the high pressure part to inaccuracies from fast-running gas exchange calculations …” „… of 40 to 80% load, as the electric drivetrain is active in the low-load range and for fast demands …” „… calculations of laminar flame speeds, where reaction mechanisms are employed. Such mechanisms are developed …”

doi.org/10.51202/9783181023341

Georg Tanzmeister - Grid-based Environment Estimation for Local Autonomous Vehicle Navigation

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Georg Tanzmeister

Grid-based Environment Estimation for Local Autonomous Vehicle Navigation

Series: Mess-, Steuerungs- und Regelungstechnik

Volume 1246 2016

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Configuration Space Costs: Cost Evaluation on Workspace Cost Maps S. 64-86

„… space costs are presented. 4.3 Fast Approximate Calculation of the Configuration Space Costs for …” „… , which correspond to the different slices of Ccosts. 72 4.3 Fast Approximate Calculation of the …” „… possible rotation has to be accounted for. The complexity of the calculation of the configuration space …”

Titelei/Inhaltsverzeichnis S. I-XIV

„… . . . . . . . . . . . . . . . . . . . 67 4.2.2 Extending Collision Checking to Cost Evaluation . . . . . . . . . . 69 4.3 Fast Approximate …” „… Calculation of the Configuration Space Costs for Arbitrary Footprints with FAMOD …” „… . . . . . . . . . . . . . . . . . . . . . . . . . 71 4.3.1 Calculation of Grayscale Dilation with Convolution . . . . . . . . . 72 4.3.2 Practical …”

Detection of Principal Moving Directions S. 40-63

„… . Therefore, no calculations are done twice. The resulting planner • is optimal under the given discretization …” „… constraints are to be considered, the amount of pre-calculation and the size of the look-up tables grow …” „… considered during collision-checking and cost calculation, as will be described in Chapter 4. Moreover, an …”

Introduction S. 1-9

„… useful in our fast paced, always-reachable, and always-connected world. Much time is wasted for daily …” „… algorithm. Real-time, for the environment model, means that they run faster than the refresh-rate of the …” „… , configuration space cost calculation, path planning, clustering, and road course estimation runs in real-time on …”

Grid-based Tracking and Mapping S. 10-39

„… directly deleting these inconsistencies works in some scenarios, especially for fast objects that move …” „… in the belief mass calculation for the set D is weighted with the inverse of the standard deviation …” „… fast, compared to other mobile ground robots, the amount of filtering of individual scans is limited …”

doi.org/10.51202/9783186246080

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

Results in this title

F. Eigner, R. Michel, M. Berger Analysis on the efficiency of HypoGear S. 127-136

„… tested in order to uncover potential for improvement. In addition to measuring the efficiency, a Fast …” „… . Maik Berger, Technische Universität Chemnitz VDI-Berichte Nr. 2355, 2019 127 2. Calculation of the …” „… gearing The calculation of the gearing has already been explained in detail in [1]. Figure 2 illustrates …”

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

„… calculation over wide operating ranges, as for example in high speed applications. This study introduces a …” „… force calculation, which removes the need for calculating the stiffness within each time step of a …” „… their respective advantages, which are further outlined in the present study. Reference calculations …”

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

„… hypoid gears promises a relatively fast calculation of time-steps for MBS-simulations. The forces are …” „… multi-body-system simulation offers the possibility to outsource the calculation of the tooth contact and therefore …” „… be solved efficiently. However, commercial solutions reveal some severe deficits in the calculation …”

A. Miltenović, M. Banić, V. Miltenović Prediction of heat generation of crossed axis gearbox S. 583-594

„… problematic. Standard for worm drives DIN 3996 gives procedure for calculation of oil temperature in the …” „… . Novelty of this paper is proposed fast procedure for estimation of the gearbox temperature using FEM …” „… stability. Procedure, that is shown in this paper, gives opportunity to gearbox designers to use fast FEM …”

B. J . Siewerin, T. Tobie, K. Stahl, A. Dobler Flank load carrying capacity of hard-soft gear pairings S. 173-184

„… ISO 6336. Unfavorable lubricating conditions that could not be considered in the calculation methods …” „… . In contrast to the calculation of the pitting load capacity, the calculation of the slow speed wear …” „… years. The most popular pitting calculation method is standardized in ISO 6336-2 [ISO06] and is based on …”

T. Inoue, S. Kurokawa Improving the Estimation accuracy of fishing reel sensation caused by gear vibration using tactile response delay time S. 1123-1134

„… making calculation without a supporting experiment. Consequently, we were able to estimate the fishing …” „… only by making the calculation without a supporting experiment. Finally, the derived estimation …” „… concept. As a result, the square of correlation coefficient, R2, between the calculation result and the …”

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

„… simulation, a calculation method was developed. The objective is to calculate the influence of free gear …” „… mesh excitation. For the calculation of free gear body geometries in the FE-based tooth contact …” „… body geometry is mapped in the calculation method using an FE tetrahedral mesh. This enables the free …”

S. Matkovič, A. Pogačnik, M. Kalin Comparison between VDI 2736 wear calculation and experimentally obtained results S. 1311-1322

„… Comparison between VDI 2736 wear calculation and experimentally obtained results MSc. Ing …” „… 2736, which is currently the only available guideline for the strength calculation of plastic gears, it …” „… also includes tooth’s average and local wear calculation. Wear coefficients for POM/steel and …”

F. Muller, S. Schumann, B. Schlecht Determination of S-N curves for pitting based on local damage analysis S. 657-668

„… lead to a loss of drive. For the purpose of preventing this type of damage, different calculation …” „… the tooth flank, which is significantly affected by Hertzian stress as the calculation approach of …” „… well as the calculation of the variable load and pressure distribution by a local tooth contact …”

H. Baour, P. Falbriard Micro skiving – (r)evolution of a known production process S. 1619-1634

„… : Cutting speed calculation Tool’s profile is adapted to the tilt angle intended for the cutting. Fig …” „… gear 70x faster " “After micro-sanding, the parts are good to be used” A world-famous watch brand …” „… producing this reference part: Machining time Very fast < 30 seconds Cutting in one pass Precision …”

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

„… calculation time. In order to shorten the number of variants and thus the calculation time, this paper …” „… experiments/simulations. In this case, the surrogate model can be evaluated much faster in comparison to the experiment …” „… different surrogate modeling techniques The lowest setup time is achieved by the RBF model, which is faster …”

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

„… surface quality. Conventional whirling is basically a milling process with a fast rotating tool creating …” „… 10 µm. The calculation of cutting conditions is equivalent to whirling by analyzing the tool …” „… . Experimental setup Modelling and calculations were validated by experiments with particular parameter sets …”

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

„… deviation and the total profile deviation, respectively. After each calculation, the total cumulative pitch …” „… 2 1 0 0 P P P P x x y y (7) Although this method will bring the calculation error, the …” „… calculation accuracy can be achieved by adjusting the rotation step size of the gears and the number of …”

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

„… [12]. Zhu et al. propose a calculation of the cutter for involute internal gears [13]. Tsai developed …” „… compared to experiments in order to evaluate if correct tendencies are obtained by using the fast …” „… mathematical calculation method proposed in this paper. VDI-Berichte Nr. 2355, 2019 1809 6 …”

F. Concli, L. Maccioni, C. Gorla Power loss analysis of different high-power density gearbox typologies: CFD analysis and experimental measurements on a cycloidal gear set S. 101-114

„… changes of the computational domain ensuring at the same time numerical stability and correct calculation …” „… ( ) generate due to sliding in the contacts. The ISO 6336 standard [5] provides equations for the calculation …” „… ) intrinsically changes its topology during the calculation. A severe mesh deformation cannot be avoided. As …”

J. Cathelin Material data for advanced plastic gear simulation S. 1335-1344

„… calculation. This paper gives an overview on the state of art in plastic gear material data for plastic gear …” „… calculation. Based on the observed gap, improvements on strength, fatigue and wear measurement techniques are …” „… paper, we will propose a review of SABIC’s plastic gear calculation workflow. This workflow relies on …”

K. Takaki, M. Sugimoto Optimization of hypoid gear macro/micro geometries for high efficiency drives, taking into consideration NVH and strength S. 367-378

„… , 2019368 3.1 Calculation of mesh friction loss Figure 3 is a flowchart of the procedure for calculating …” „… pitch line and with a fast sliding velocity did not mesh, thus reducing friction. In relation to gear …” „… , respectively. In addition, the addendum of gear set F was changed to reduce the portions with a fast sliding …”

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

„… production of gears [7]. It is several times faster than gear shaping and much more flexible than gear …” „… pairs - Concepts and geometry. [2] KISSsoft gear calculation software, 2019, www.KISSsoft.com. [3 …” „… ] Niemann, G. and Winter, H., 1983, Machine Elements Design and Calculation in Mechanical Engineering: Vol …”

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

„… simulation Local contact stress, sliding velocities, contact distance Calculation of local wear depth …” „… lapping process. The fast tooth contact simulation in BECAL hereby enables a sufficiently high temporal …” „… progress [10]. To make this complex type of contact accessible for further calculations, the contact line …”

B. Brodmann, H. Bodschwinna Scattered light measurement on worm gears with high efficiency requirements S. 1567-1578

„… the fastest material increase. The basic idea of ISO13565 was the need to replace the common simple …” „… included in the calculation of the mean pressure. Since this radius can ’t be determined from the altitude …” „… calculation of the gradients from the topography has to be carried out with the utmost care. This requires …”

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

„… calculation of the grinding force based on theoretical contact conditions and the model according to WERNER …” „… tool [4]. A model for force calculation frequently used in grinding processes is the cutting force …” „… the calculation according to WERNER, the grinding force is proportional to the chip cross section Acu …”

Titelei/Inhaltsverzeichnis S. I-XXVI

„… Calculation/standard ISO Standard based method for determining a global in-operation dynamic factor KAV in gears …” „… University, Kyoto, Japan New calculation method of the micropitting load carrying capacity of bevel and …” „… , Hunan University, Changsha, P. R. China Calculation of mixed friction conditions in large-scale …”

A. Mihailidis, A. Psarros FEM analysis of the load distribution over the face width of helical gear pairs considering deviations, misalignments and deformations S. 193-202

„… planes are meshed using the so-called “CFD” algorithm, which provides fast and smooth transition from …” „… active flanks. Next steps of the research may include a multi snapshot analysis or the calculation of KHB …”

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

„… An easy-to-use and fast computational model for the prediction of the influence of manufacturing …” „… errors. 2. Model for TE calculation The conceptual idea behind our modeling approach exploits that …”

T. Kahnenbley, G. Gravel Gear standards for reliable measurement of noise-causing gears – Quick verification of the measurement precision S. 1813-1822

„… ]. In comparison with a fast Fourier transformation, the compensation sine functions have the advantage …” „… equation for the calculation of the cut-off wavelength λc is extended by a term for the targeted …”

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

„… circumferential backlash was implemented (see section 3). As a reference for the wear calculation, the initial …” „… strongly influence the TCD [7] and thereby the backlash jt. Fast Fourier Transformation [8] of the …”

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

„… frequency which results in a lower modulus and faster accumulation of strain. This transition from …” „… , Cylindrical gears - Calculation of the load-carrying capacity. [9] Shojaei, A. K., Wedgewood, A. R …”

C. Hegger, T. Kruger, J. Maas Two-speed transmission based on energy-efficient MRF-coupling elements and power split mechanism S. 867-876

„… fast response and a dependence on the rotational speed. The prototype is currently under realization …” „… , VDI 2157 - Planetary gear drives - Definitions, symbols, designs, calculations, VDI, 2012. [9] Hegger …”

P. Barreiro, J. Hoffmeister, J. Hermes, A. Bronner New improvement opportunities through applying topology optimization combined with 3D printing to the construction of gearbox housings S. 1823-1834

„… calculation time (about 120 minutes) and final quality. The range for mass restriction (m) was located …” „… ) increases faster than the 4 bearings (green and red) and the oil sump (blue) at the beginning. The highest …”

doi.org/10.51202/9783181023556

VDI Wissensforum GmbH - International Conference on Gears 2017

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VDI Wissensforum GmbH (ed.)

International Conference on Gears 2017

Series: VDI-Berichte

Volume 2294 2017

Results in this title

P. Garambois, E. Rigaud, J. Perret-Liaudet Robust optimization of gear macro and micro-geometries in order to minimize static transmission error and gear stiffness fluctuations S. 927-938

„… calculation process being repetitive, it requires a fast evaluation of the gear excitation sources. The paper …” „… proposes a fast and efficient analytical tooth bending model that evaluates the gear compliance from a …” „… model allows a fast and efficient estimation of the periodic STE(t) and km(t) fluctuations over the …”

R. Müller, L. Schirmer New tolerance concepts for the realization of steel-only worm gears S. 467-478

„… tolerances and adapting commissioning processes. The concepts are based on simulation and calculation done by …” „… tolerance ∆ (which equals the tolerance of the KC). The calculation can be done arithmetically or …” „… statistically, depending on how accurate the calculation should be and the resources currently available. [4 …”

B. Bauer, R. Hambrecht, A. Kube Thermal analysis and optimization of gearboxes by simulation S. 917-926

„… gear unit needs extra cooling. Using a fan that is mounted to a fast rotating shaft is a common …” „… balance, analytical calculation methods are too inaccurate for precise evaluations of changes to the …” „… velocity at surface cooled gearboxes, using fans is a common solution. Mounted to the fast rotating input …”

H. B. Endeshaw, S. Ekwaro-Osire, F. M. Alemayehu, J. P. Dias Estimation of remaining useful life of gears with uncertainties in loading and material parameters S. 1063-1072

„… , 20171064 stiffness calculation was performed by using the energy method [6]. The input and output torques …” „… frequency of the input shaft is 30 Hz. 2.2. Calculation of Stress Intensity Factor The model of the …” „… accuracy of results near the crack tip. Calculation of SIF was performed using displacement correlation …”

B. Schlecht, F. Rudolph, S. Schumann Experimental studies and simulation of hypoid gear lapping S. 1403-1414

„… , based on a widely used wear approach and a fast and accurate tooth contact simulation. High-resolution …” „… calculations in this publication. Many of the following, more advanced contributions concern two-body-abrasion …” „… calculations to predict wear phenomena. Adachi and Hutchings have used the ball-on-plane setup of a micro …”

C. Weber, T. Tobie, K. Stahl Investigation on the flank surface durability of gears with increased pressure angle S. 173-184

„… involute toothings with αn ≈ 20° comprehensive calculation tools and methods such as ISO 6336 [6] are …” „… available. These calculation methods are based on extensive theoretical and experimental studies on …” „… appropriate standard gears and are wellproven for years. Nevertheless, these calculation methods do not claim …”

C. Brecher, C. Löpenhaus, F. Goergen, D. Mevissen Crack propagation analysis of pitting damages of high-strength material systems in gear applications S. 281-292

„… , such as the norm calculation according to ISO 6336 or AGMA 2001 [11, 13]. On the other hand …” „… , calculation methods for rolling-sliding contact fatigue strength were developed based on the concept of local …” „… calculation methods are based on a failure criterion and can only be used to VDI-Berichte Nr. 2294, 2017282 …”

J. J. Liou, S. Rakuff The development of worm drives S. 503-516

„… , and (4) no or minimum maintenance is required. In some literature, the advantage of fast braking or …” „… result in savings of US$ 0.6 billion per annum [22]. The efficiency calculations for worm drives are …” „… predict the stress distribution on the wormgear frank. This calculation has to be done iteratively. At …”

E. Maier, A. Ziegltrum, T. Lohner, K. Stahl Characterization of TEHL contacts of thermoplastic gears S. 1483-1496

„… on the upper, faster spinning shaft. Steel disks were machined from 16MnCr5 (1.7131, E = 210,000 …” „… calculation of surface deformations to include individual material models. Both deformations are added in …” „… shear stress is added as a tangential boundary condition for the thermoplastic deformation calculation …”

A. Furtmann, G. Poll Electrical stress and parasitic currents in machine elements of drive trains with voltage source inverters S. 109-118

„… the fast switching of the inverter and the so called common-mode voltage with the latter being …” „… Drivetrain consisting of a motor and a singlestage gearbox (fast-shaft with index f, slow shaft with index s …” „… fast-shaft and the one to the voltage Us at the slow-shaft can be determined with equations (1) and (2 …”

J. Cathelin, R. Janssen Material data for advanced plastic gear simulation S. 1553-1564

„… availability and a lack of material characterization guidelines for gear calculation. This paper gives an …” „… overview on the state of art in plastic gear material data for plastic gear calculation. Based on the …” „… propose a review of SABIC’s plastic gear calculation workflow. This workflow relies on the VDI2736 …”

G. Goch, K. Ni, Y. Peng, A. Günther Paradigm change in cylindrical gear metrology using areal measurement and evaluation S. 1025-1038

„… of the manufacturing process as well as an assessment of functional properties. The calculation of …” „… definition and calculation of areal deviation parameters. Fig. 5: Mapping the measured points, obtained …” „… Cumulative pitch deviation Fpi piA 4.2 Calculation of areal parameters by 2D-orthogonal polynomials One …”

B. Sievers, M. Berger, J. Hermes Technical guideline for the quality determination of bronze S. 479-490

„… in the calculation. Based on EN 1982 [5], the three bronze materials can be differentiated according …” „… specified for CuSn12-C-GZ. The equivalent Young's modulus Ered enters into the calculation of the mean …” „… characteristic material values are used in the calculation steps for determining resistance to wear, pitting and …”

L. Zhao, R. C. Frazer, B. A. Shaw The influence of overlap ratio on transmission error in parallel axis gears S. 939-952

„… transmission error calculation and overlap ratio 2.1 Implementation of the gear transmission error calculation …” „… calculation by GATES consists of two stages: 1. A full 3D FEA to establish the gear stiffness matrix after …” „… is 27.7um when gears go through one mesh cycle. A Fast Fourier Transform (FFT) is commonly used to …”

J. Neufond, Y. Xu, J. Perret-Liaudet, E. Rigaud The iterative spectral method for computing the planetary gear dynamic response S. 209-218

„… software. The main disadvantage of RK4 integration is the calculation time consuming related to the time …” „… times appear very short in comparison with those required by RK4, typically about 20 times faster …” „… predicting dynamic behavior of planetary gear transmissions, and is far faster than time integration scheme …”

M. Kanters, B. van Wissen, R. Nickel Relevant tribological testing method for high performance plastic gears S. 1507-1518

„… (semi-analytical) and Finite Element Calculations (FEM) can make an engineer’s life much easier to obtain contact …” „… more than twice as fast as the GF50. Using the corresponding rotational velocity, contact pressure …” „… further investigation. The sliding distances that result from these calculations are summarized versus x …”

M. Schwenk, J. Hoffmeister, J. Hermes Prediction of local load carrying capacity for gears – a materials science approach S. 989-1002

„… Workbench is limited to standard calculations according to the DIN 3990 or ISO 6336 and mainly focuses on …” „… thermodynamic data [15]. For the calculation of the equilibrium transformation temperatures Ae1 and Ae3 the …” „… , also their application during series production can be of great value. This requires fast and reliable …”

S. Grützner Holistic simulation of gearboxes – system simulation S. 51-60

„… 0-4500 rpm and excitation frequencies from 0-15000 Hz. Fast Fourier transformations (FFT, order analysis …” „… . Options in the component models make it possible to switch between various degrees of calculation detail …”

A. von Freyberg, A. Fischer Automatic geometry segmentation of involute flank regions S. 1015-1024

„… based on a geometric VDI-Berichte Nr. 2294, 2017 1017 model and the calculation of orthogonal distances …” „… .; Westerkamp, J.: Recent advances in optical gear measurements - A new approach for fast measurements of …”

S. Stoyanov, V. Dobrev, A. Dobreva Investigating dynamic behavior of planetary gear trains through the systematic approach S. 197-208

„… of reducing the period of design layout and calculations. The entire period of the implementation of …” „… of fast movements. Analyzing assembly units of solid bodies, the product can determine the speed and …”

doi.org/10.51202/9783181022948

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