VDI Verlag eLibrary

International Conference on Gears 2017

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2294 2017

Treffer in den folgenden Teilen:

D. Ghribi, C. Peyrac, M. Octrue Shot peening of gear tooth flanks: Search for an optimal surface topography against the micropitting S. 153-162

„… peening conditions leading to surface topography optimization as well as roughness parameters …” „… optimization, in order to eliminate, or at least postpone, micropitting. 2. Material and treatments The …” „… peening conditions subject after grinding. These post treatments have been performed on specimens used on …”

J. Reißmann, E. Leidich Computation of the tooth root strength of Worm Wheels with a calculation program based on local stresses S. 373-394

„… tested under static and dynamic loads. Therefore, a lot of specimens were made of cutted worm wheel …” „… strength of all specimens is very similar, independent from the production process or the material charge …” „… specimen and ending with simulations of the test results for flank fracture fatigue tests will be shown in …”

M. McCormick, J. Michaud Isotropic superfinishing of high hardness steels – How using a custom REM ISF® process as a quality control, defect remediation, and isotropic superfinishing procedure can increase the performance of... S. 163-172

„… controls and optimizations. 3. Phase Transformations during Manufacturing of Steels Phase transformation …” „… specimen coupons with Ra roughness values under 2 µin—well below the typically specified 4 µin upper limit …” „… that is common for aerospace gearing. However, the surface of the testing specimens retained the …”

A. Lohrengel, M. Heß Thrust cone bearings provide increased efficiency for helical gear units at moderate speed levels – Indications for possible energy saving potential in an expanded field of application S. 231-242

„… , experiments on the thrust cone test bench [7] were carried out. For various thrust cone specimen …” „… the specimens. If the velocity is reduced, the film thickness shrinks for a constant axial load. A …” „… range for all specimens in the transition velocity tests. Starting with a minimum load of 2 kN, the …”

B. Kohn, T. Utakapan, M. Fromberger, M. Otto, K. Stahl Flank modifications for optimal excitation behaviour S. 1319-1330

„… investigations with ground specimen funded by FVA/AiF at the FZG dynamics test rig underline these statements …” „… . Experimental investigations Specimen with different periodic as well as standard modifications for mesh B (cf …” „… dynamics test rig with specimen ground by Reishauer AG in a continuous generating grinding process showed …”

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

„… examined experimentally. Optimization goals were the power to weight ratio of the transmission and the …” „… failure passed specimen 20 ° 20 ° m od ifi ed 28 ° VDI-Berichte Nr. 2294, 2017178 Fig. 3: Calculated …” „… sp ec im en , r ef er en ce load cycles N variant failure passed specimen 20 ° 20 ° m od ifi ed 28 …”

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

„… VDI-Berichte Nr. 2294, 2017284 In this report, three types of test specimens from the screening program of the …” „… assigned to individual stress components in order to provide a basis for the optimization of the surface …”

doi.org/10.51202/9783181022948

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Bauingenieur

Alle Ausgaben: Bauingenieur

Bauingenieur Jahrgang 99 (2024) Heft 06 ISSN Online: 0005-6650

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Zheng Li, Bastian Herzog, Raphael Erlemann, Karsten Geißler Verstärkung ermüdungsgeschädigter Stahlbauteile mittels geschweißter eisenbasierter Formgedächtnislegierungen/Reinforcement of fatigue damaged steel components with welded iron-based shape memory alloys S. 190-200

„… was analyzed in preliminary experimental studies. For this purpose, compact tensile (CT) specimens …” „… were fabricated from a 12 mm thick steel plate in accordance with ASTM-E647. The CT specimens were …” „… welded to both sides of the specimens at the crack locations. Special care and careful …”

doi.org/10.37544/0005-6650-2024-06

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Experimentell-numerische Vorgehensweise zur Entwicklung von Probekörper-Setups für die Charakterisierung technischer Elastomere

Lars Kanzenbach

Reihe: Mechanik/Bruchmechanik

Band 357 2021

Treffer in den folgenden Teilen:

Titelei/Inhaltsverzeichnis S. I-XII

„… -setup – specimen optimization – shear tests – shear device – homogeneous measuring zone – rubber materials …” „… Tension-/compression tests, specimen-setup, specimen optimization, shear tests, shear device, homogeneous measuring …” „… Messbereich – Gummiwerkstoffe – Gummi-Phänomenologie Keywords: Tension-/compression tests – specimen …”

doi.org/10.51202/9783186357182

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SIMVEC 2022

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2407 2022

Treffer in den folgenden Teilen:

B. P. van de Weg, L. Greve, B. Rosic Surrogate modelling for finite element simulations Towards a stochastic surrogate approach S. 555-562

„… favouring weight optimization, it is shown using a structural application that an auto-adaptive recurrent …” „… optimization problems has strongly gained popularity in the automotive industry [1, 2, 3, 4]. The main reason …” „… optimization problem time consuming nonetheless. Stimulated by the architectural non-adaptability of these mean …”

L. Stütz, T. König, M. Kley Testing of the tire modelling for a vehicle dynamics simulation on a Road-To-Rig test rig S. 185-196

„… . In addition to powertrain development, the virtual test specimens can also be used to validate …” „… , optimization of their properties for specific applications and development of individually adapted operating …”

doi.org/10.51202/9783181024072

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International Conference on Gears 2019

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2355 2019

Treffer in den folgenden Teilen:

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

„… are the consideration of present fiber orientation in the test specimens and the very simple test …” „… specimen geometry. The measurement works with an antibody which is a needle bearing inner ring [2]. At a …” „… rate w. The altitude difference through wear of test specimen and friction partner after a defined time …”

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

„… strength of 10 % over the ground surface condition. The main reason for this unexpectedly low optimization …” „… occurred in the deep rolled specimens, were not examined in detail [17]. 3. Basic idea and tool design …” „… square steel specimen, the prototype of the inline-deep rolling tool system and the tooth root deep …”

F. Lubos, Z. Roth Bionic tooth root: fatigue testing and potential on gear units S. 47-56

„… combinations the optimization occurs with the help of an in-house software program, which is iteratively based …” „… upon the Finite Element Method. The optimization of the parameters can be achieved with a heuristic …” „… test specimens and the test results will be examined in more detail. 2.1 Test scope and specimen …”

J. Hoffmeister, J. Hermes Optimized tooth root strength by controlled shot peening S. 137-148

„… parameters. Boundary conditions for this process optimization are the possibility to shot peen different …” „… conditions For the process optimization of the shot peening process, case hardened test gears of 18CrNiMo …” „… Wheelabrator type Module8 ST6 was used. For the first optimization loop (condition A, B, C and D) the peening …”

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

„… tooth via tooth root design optimization Prof. Nihat Yildirim, Gaziantep University, Gaziantep …” „… load level is repeated with at least 2 specimens. Infinite life tests have not been performed due to …” „… test duration and specimen limitations. The fatigue life improvements, predicted theoretically and …”

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

„… the specimens, Eq. (7). The reduction of the fluid friction ratio in the first part of the hysteresis …” „… performed with the same test specimen. With increasing normal force, a continuous reduction of the surface …” „… roughness of the test specimen with Ra (FN = 1086; 2280; 4338 N) = 0.147; 0.142; 0.139 was measured. For …”

E. Maier, T. Lohner, K. Stahl, P. Sperka, M. Hartl Detailed analyses of film thickness and friction in thermoplastic EHL contacts S. 1391-1400

„… that is used for noise-vibration-harshness optimization but remains disregarded in tribological …” „… obtained using interformetry with a semi-reflective chromium coating on the PMMA disk specimen, similar to …”

doi.org/10.51202/9783181023556

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Experimental testing and numerical simulation of granules as crash absorber for double hull structures

Christian Woitzik

Reihe: Mechanik/Bruchmechanik

Band 356 2021

Treffer in den folgenden Teilen:

Determination of bulk particle properties S. 40-63

„… conducted. This approach is called direct identification [137]. On the other hand, a numerical optimization …” „… experiments. The initial material parameters are used as input parameters for an optimization loop with the …” „… distribution 41 4 Determination of bulk particle properties of the void ratio in the specimen, while the change …”

doi.org/10.51202/9783186356185

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Identifikation und Optimierung im Kontext technischer Anwendungen

Dirk Schellenberg

Reihe: Mechanik/Bruchmechanik

Band 347 2017

Treffer in den folgenden Teilen:

Titelei/Inhaltsverzeichnis S. I-XII

„… Abstract Within the scope of this work the optimization software SPC-Opt has been developed to successfully …” „… process tasks in the fields of shape optimization and parameter identification. The software includes a …” „… , ANSYS, MSC.MARC, inhouse FEM programs and LUA scripts. Within shape optimization problems, geometric …”

Literaturverzeichnis S. 135-146

„… : Optismoothing: An optimization-driven approach to mesh smoothing. Finite Elements in Analysis and Design 13(2-3 …” „… optimization-based smoothing for triangular, quadrilateral and tetrahedral meshes. Proceedings of the 7th …” „… and optimization-based smoothing for quadratic mixed surface meshes. Proceedings of the 12th …”

doi.org/10.51202/9783186347183

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Plastics in Automotive Engineering 2017

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 4348 2017

Treffer in den folgenden Teilen:

J. Götzelmann Bumper in thin-wall technology: an update regarding materials, processes, and technology innovations S. 75-90

„… elasticity (between 30% and 50%). Specimens were taken from sections of the component and in bending tests …” „… temperature all specimens still reacted with ductile behavior. The reduction from 2.8 mm to 2.0 mm caused the …” „… measured force. Other results were achieved in comparisons at -30 °C. As expected, all specimens with …”

R. Korn, T. Reußmann 3-D direct deposition of reinforcement fibers in the fiber blowing process – State of the art in natural fiber processing S. 145-156

„… : Optimization of material composition Tooling and mold-making 3D deposition in the blowing-in station with …” „… lightweight solutions in the automotive industry: 148 1. Reduction of component weight 2. Optimization of …” „… manufacturers. For the thermal solidification of the fiber fabric and also for optimization of its forming …”

doi.org/10.51202/9783182443483

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PIAE EUROPE

VDI Wissensforum GmbH (Hrsg.)

2020

Treffer in den folgenden Teilen:

W. Franz Improving efficiency and quality in color matching in the car interior through digital color matching S. 365-370

„… process for optimizing inter-instrument agreement, digital communication of master samples/specimens is …” „… both. Profiling is carried out in two stages: (a) Optimization of the spectral agreement of the …” „… set). (b) The three-dimensionality of the automotive specimens (gloss and grain) is then adjusted …”

F. Vetter Emissions and odor under control – Thermoplastic elastomers for the vehicle interior S. 149-164

„… applications has been developed at KRAIBURG TPE. In addition to the optimization of existing series, the …” „… to VDA 270 for different materials. The variant of test specimens A, B and C was selected on the …”

doi.org/10.51202/9783181023693

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Plastics in Automotive Engineering PIAE EUROPE

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2343 2019

Treffer in den folgenden Teilen:

S. Glaser, A. Wonisch, D. Fertig Thermomechanical simulation of glass-fiber-reinforced plastic components with Ultrasim® S. 115-132

„… tensile test specimens milled from an injection-molded sheet. The anisotropic fiber orientation also …” „… direction. This is shown in Fig. 2 for test specimens prepared from the same sheet with a temperature …” „… expansion transverse to the flow direction. The test specimen expands most strongly in the direction of …”

T. Bröker, N. van Riel, G. Slik, Berend Hoek 30% weight savings and process improvement with a new ABS-LGF alloy material replacing metal for an instrument carrier, enabling a high dimensionally stable part S. 533-552

„… the measures for stiffness optimization. After the first analysis of the available space, a topology …” „… optimization was carried out in order to define reinforcement ribs. The original CAD geometry was then …” „… . Initial material trials on plates, test specimens, and existing parts convinced Dräxlmaier of the polymer …”

Titelei/Inhaltsverzeichnis S. I-IX

„… Application of a hybrid test specimen for designing potting compounds in automotive electric-drive motors …” „… Components GmbH, Kesselsdorf New design opportunities for the aerodynamic and acoustic optimization of the …”

S. Krömer Innovative processing of glass fiber grids in the injection-molding process S. 349-360

„… into the design and optimization of the semi-finished products. The second path leads to the …” „… Standard-compliant test specimens are taken from the sheets and subjected to various mechanical tests. Tensile …”

doi.org/10.51202/9783181023433

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International Conference on Gears 2023

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2422 2023

Treffer in den folgenden Teilen:

J. Lövenich, M. Zalfen, D. Mevissen, J. Brimmers, C. Brecher Crack growth based tooth root life prediction model – an influence quantity analysis S. 109-124

„… rig tests up to the VHCF range. Introduction and MotivationDue to mandatory weight optimization in …” „… approaches for tooth root load capacity calculation, since the optimization of the materials and surfaces …” „… standard specimens [14]. A high-speed stress test rig was set up in a EU clean aviation project to …”

S. Sklenak, D. Mevissen, J. Brimmers, C. Brecher, B. Lenz, A. Mehner Analysis of Load Cycles and Local Wear of Dry and Solid-Lubricated Gears S. 727-740

„… friction. Furthermore, the results from the Disk-on-Disk test rig show that the test specimen temperature …” „… of the test specimens can be taken into account. Fig. 2: Application and wear behavior in …” „… investigations, a correlation between the course of the frictional force and the test specimen temperature is …”

P. Fischmann, A. Hilligardt, V. Schulze Tooth Root Burnishing in the Kinematics of Gear Skiving S. 1829-1844

„… shows a high potential for the highly productive mechanical optimization of the tooth root surface …” „… notched specimens, the depth effect is even further reduced with increasing hardness [13]. Compared to …” „… combination with the contact angles, different spring combinations were simulated. An iterative optimization …”

S. Sartori, L. Alari, N. Motta, D. Podda Helicopter Drive System Safety Dissertation S. 633-644

„… machining on the outer and inner race of the planet bearing itself (ref. Fig. 3). Fig. 3: Test specimen with …” „… inspections of the chip detector status were performed, to properly monitor the test specimen behaviour. After …” „… chip warning, the debris was collected, characterized and classified, and the test specimen completely …”

F. Reinle, D. Mangherini, A. Bongiovanni Enhancing gear performance through advanced mass finishing and DEM simulation S. 1777-1786

„… compressive stress, and reengineering the surface to resemble a nanocrystalline layer. The optimization of …” „… specimen designed to match the stress resulted in a 60% improvement in bending fatigue limit. Fig. 3 …” „… : Helical ring gear (l.), matching bending fatigue specimen (r.) Helical gears can achieve a highly …”

T. Jagiella, S. Haller, J. Lechner, T. Rung, M. Wöppermann, B. Zeeb Building a software toolchain for automated mass-customization of specific end-use gear unit parts using AM-driven design guidelines S. 1607-1616

„… areas and load attack points or areas. 4.3. Topology optimizationThe second step of the process …” „… main principles: Design for AM and automation.The AM-driven design is based on topology optimization …” „… and omission of support structures.Topology optimization leads to parts with low volume. These parts …”

I. Atanasovska, D. Momcilovic Analysis of new tooth profile design based on the biomimetics principles S. 945-956

„… standard and non-standard gears, are high demanded. The main focus is on the optimization of gears tooth …” „… modification or optimization of this basic profile [11]. The verified mathematical optimization methods, such …” „… is differential evolution algorithm and its modifications, are very common methods for optimization …”

L. Klee, T. Bergs, M. Solf, J. Brimmers Binder Jetting in Gears – Process Design and Tooth Bending Strength for Gears made of 17-4PH S. 1665-1680

„… optimization of the noise behavior of transmission components is becoming increasingly important [22]. Powder …” „… . The achievable geometric complexity in the design offers new possibilities for use and optimization …” „… binder (Dark-Level) was reduced. In addition to the optimizations in powder application, the part quality …”

S. Sepp, A. Wenig, M. Otto, K. Stahl Acoustical behavior of periodic flank modifications under dynamic operating conditions S. 341-356

„… test specimen Parameter Unit Pinion WheelNumber of teeth z1/z2- 33 35 Center distance a mm 140.00 …” „… ] Houser, D., Harianto, J.: A gear design optimization procedure that identifies robust, minimum stress and …” „… , K., Otto, M., Bihr, J.: Assessment of the vibration exci-tation and optimization of cylindrical …”

doi.org/10.51202/9783181024225

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LAND.TECHNIK 2022

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2395 2022

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J. Guo, L. Frerichs, F. Shen, S. Munstermann Analysis of abrasive wear of tillage tools on both macro- and microscopic level S. 309-316

„… microscopic optimization, such as soil flow, which is unmeasurable during tests, can be obtained from …” „… movement of Newton [2]. The optimization of tillage tools is performed based on load profiles in …” „… these researches on both macro- and microscopic levels could benefit the tool optimization to the …”

doi.org/10.51202/9783181023952

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SIMVEC – Simulation und Erprobung in der Fahrzeugentwicklung

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2333 2018

Treffer in den folgenden Teilen:

D. Dorribo Development of mechanism-based models for resistance spot weld failure simulation of multi-material advanced high strength steel sheets S. 585-606

„… plasticity model parameters of the fusion zone are obtained from an inverse FEM optimization procedure …” „… ). Displacements are prevented in nodes along the end of the flanges of the bottom sheet of the specimen (red …” „… lines in Fig. 2). The specimens are rotated to represent the three loading modes. VDI-Berichte Nr …”

A. Krätschmer, A Wagner, H.-C. Reuss Lastlose Erprobung von E-Maschinen in der fruhen Entwicklungsphase S. 487-494

„… their behaviour in the event of a fault. In order to achieve the highest possible level of optimization …” „… advantage of the load-less test bench in terms of frontloading is that the test specimen to be tested is …” „… targeted thermal inputs into the test specimen can be studied as well as the heat dissipation and / or …”

doi.org/10.51202/9783181023334

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wt Werkstattstechnik online

Alle Ausgaben: wt Werkstattstechnik online

wt Jahrgang 110 (2020) Heft 10 ISSN Online: 1436-4980

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Celalettin Karadogan, Patrick Cyron, Mathias Liewald Materialcharakterisierung mittels Künstlicher IntelIigenz/Material characterisation by using machine learning models S. 656-660

„… full-field optical measurement of test specimen‘s deformation combined with a simulation-based inverse …” „… approach. This inverse approach normally requires deep expertise in FE analysis, optimization, and …” „… technique for orthotropic parameter identification using biaxial tensile tests on cruciform specimens …”

doi.org/10.37544/1436-4980-2020-10

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Dritev – Drivetrain for Vehicles 2020

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2373 2020

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S. Rothe, B. Schröder, G. Lührs Coupled topology optimization of an electric drive S. II-75-II-88

„… Coupled topology optimization of an electric drive Dr.-Ing. Steffen Rothe, Dr.-Ing. Bettina …” „… Optimization of an Energy Efficient Electrical Drive with Improved Magnetic Material Usage – TOPMAGNET” was …” „… founded with support of the BMWi. Within this project an innovative numerical optimization algorithm is …”

doi.org/10.51202/9783181023730

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