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VDI Wissensforum GmbH - International Conference on Gears 2023

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VDI Wissensforum GmbH (Hrsg.)

International Conference on Gears 2023

Reihe: VDI-Berichte

Band 2422 2023

Treffer in den folgenden Teilen:

J. Gründer, A. Monz Analytical Method for Calculating the Nominal Tooth Root Stress in Worm Gear Shafts S. 1091-1110

„… calculation. VDI-Berichte Nr. 2422, 2023 1095FEM-Model for calculating the Stress in the Tooth Fillet To build …” „… ) as shown in Figure 3. The maximum Fig. 3: FEM-Model for calculating thestress distribution in the …” „… stress distribution for b,nom is corresponding with the FEM-results for the stress component y when …”

J. Zheng, D. Qin, C. Liu A Novel Dynamic Modeling Method of High-Speed Thin-Rimmed Gear Transmission S. 1279-1286

„… and finite element model (FEM) and then carried out simulation analysis and experimental studies for …” „… thin-rimmed gears is proposed, which consists of a meshing force solution model and a reduced-order FEM. By …” „… of the actual contact tooth pair is extracted from the reduced-order FEM of the gear body and …”

K. Yanagisawa, K. Kamoshida, A. Domon Prediction of Gear Fatigue Life Considering Glass Fiber Orientation S. 1351-1360

„… orientation dependence(Fig.1) and stress analysis (FEM) considering glass fiber orientation(Fig.2) and is …” „… orientation. However, conventionally, the fatigue life of gears made of glass-reinforced plastic by FEM has …” „… life of gears predicted by conventional FEM is shown.3-1. Fatigue life measurement of gearsGear fatigue …”

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

„… , topology optimization, FEM-analysis and print job preparation. The combination of these strategies leads to …” „… definitions, An automated FEM-System that performs topology optimization on the baseline geometry using …” „… starts the FEM-script. After topology optimization by the FEM system, the resulting data is moved to the …”

C. Karampatzakis, A. Mihailidis, A. Mantzaflaris, C. Provatidis Contact simulation of tooth flanks using Isogeometric Analysis S. 413-428

„… that in less time than more complex methods. The Finite Element Method (FEM) has been widely used to …” „… descendant of the FEM. Their core difference is that IGA utilizes splines as basis functions, both for …” „… favorable characteristics in comparison to the classical FEM [8]. Since the same basis is used for de-sign …”

S. Matkovič, D. Šeruga, M. Nagode, M. Kalin Prediction of tooth root fatigue failure of polymer gears for dry and oil lubricated contact and its comparison to experimentally obtained results S. 1301-1318

„… gear root lifetime and experimentally obtained results. The prediction was performed by coupling FEM …” „… experimentally obtained results. The prediction was performed by coupling FEM model with the multiaxial energy …” „… obtaining coefficient of friction. The FEM simulation was performed in the commercial FEM software (Abaqus …”

W. Wagner, S. Schumann, B. Schlecht The relevance of pinion deflection and twisting for loaded tooth contact analysis of high reduction hypoid gears S. 829-838

„… LTCA berücksichtigt werden müssen. Mit Hilfe von FEM-Berechnungen wird der Einfluss von …” „… using BEM or FEM [4]. In the case of FEM influence numbers, wheel body stiffnesses may also be taken …” „… their effect on the contact pattern and the load capacity calculation. Mesh generation FEM contact …”

C. M. C. G. Fernandes, J. M. A. Pinto, D. E. P. Gonçalves, A. R. Silva Reduction of root and flank temperature using a hybrid polymer-metal rack S. 1547-1562

„… thermally conductive inserts impregnated in the polymer matrix [8]. Figure 1 shows some FEM results for the …” „… previous mesh, was used. A comparison of temperature results between the experiments and the FEM model is …” „… experimental and FEM model temperatures in °C Position FEM – STD EXP – STD FEM – HT2 EXP – HT2 T3B 61.8 61.8 …”

P. Chavan, M. Lutz Validation of an industrial gearbox model for predicting vibro-acoustic behavior S. 619-632

„… calculated from BECAL against full FEM-models [8], [9]. Once the modelling method for the bevel gear stage …” „… Gear Pair. Due to the extensive verification of BECAL calculations against full FEM-models, the BECAL …” „… was derived from a corresponding Finite Element Method (FEM) model. By comparing the resulting surface …”

F. Mieth, D. Tazir Local load capacity analysis for the design of a balanced flank modification for cylindrical gears according to bevel gear procedures S. 927-944

„… interaction with the gear environment. Since the FEM-based deformation calculation is also suitable for …” „… ], two-dimensional numerical methods [13], and three-dimensional numerical methods [6]. BEM and FEM can be used as …” „… , this FEM calculation variant of (BGM) also produces a trough-shaped pressure distribution. The maximum …”

A. Miltenovic, M. Banic Influence of misalignment of large cylindrical gears on contact pattern in operation S. 1257-1266

„… pressure distribution of gear set is estimated using FEM and software Ansys Workbench. The contact pressure …” „… therefore good contact pattern. In the paper are given FEM results that are showing that a change of a …” „… center distance for simulation of misalignment. Further analysis using FEM with thermal analysis can give …”

A. Wallinger, R. Vonderschmidt, S. Vonderschmidt Lubricant Free Transmissions for the food industry – A Comparison S. 715-726

„… appropriately sized transmission was calculated using FEM. The sintered gears are evaluated by means of …” „… . 6 Torque determination The FEM calculation below shows the torque curve for the magnetic …” „… transmission Fig. 8: FEM calculation of the torque of the magnetic transmission The gearboxes with plastic …”

S. Birk, E. Stoppel, V. Labriola Influence of plastic-metal-pairings on the lifetime of gears S. 1535-1546

„… non-linear FEM analysis was performed. By doing so it was possible to reduce the tooth root stress to 93 …” „… considered analytically. VDI-Berichte Nr. 2422, 2023 15454 FEM Simulation For all simulation models LS-Dyna …” „… Heidelberg New York: Springer-Verlag 2001 [11] Stommel, M., Stojek, M., Korte, W.: FEM zur Berechnung von …”

J. Langhart, S. Ebrahimi, T. Kelichhaus A comparison of time and frequency domain approaches for NVH S. 583-598

„… approach is applied (Timoshenko beam), in RecurDyn the modelling is based on 3D FEM elements. The 3D FEM …” „… figure 2. In addition, the 3D FEM – eigenmode shapes cannot be compared one-by-one to the modes shapes …” „… those kind of connections. Finally the original FEM – model is transformed into a modal reduced flexible …”

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

„… local main normal stress FEM(w) with the depth steps w [19]. 𝜎 𝜎 ∙ 𝜎 (2) The residual stress …” „… Zahnfuß-Spannungstiefenkurve (über FEM), die Härtetiefenkurve, die Eigenspannungstiefenkurve und die Defektverteilung als …” „… crack growth. In addition, the tooth root stress depth curve (via FEM), the hardness depth curve, the …”

L. Becker, P. Tenberge Crossed helical gears – simulative studies and experimental results on non-involute geometries S. 1499-1514

„… step, the ZC geometry was considered. FEM calculations confirm the positive effects of a ZC geometry …” „… reduction in tooth deformation due to the larger tooth thickness of the plastic gear. The FEM simulation …” „… load-carrying capacity. Figure 8 shows the normal section of the ZI and ZC gears with the results from the FEM …”

I. Criscuolo, F. Carneiro, G. Guimarães, R. Rego, J. Mascheroni Indirect Selective Laser Sintering: Modeling and analysis of surface densification by shot peening S. 1681-1698

„… parameters, raised from a FEM simulation, to be further discussed. Table 2: Selected shot peening parameters …” „… 1687Fig. 4: AISI 5115 Johnson-Cook parameters and FEM model setup. Red marking highlights the analysis …” „… quantify such variations is using the FEM model. Saturation point of the grit is a factor that must be …”

N. Missal, S. Schwertel, M. Ludwig The next level of axial forming for a sustainable component and process chain design S. 1765-1776

„… concepts. A FEM-based software Meshparts was used for this study. This offers the possibility to …” „… optimization process (FEM-based software Meshparts), the simulated machine deformation under the maximum …” „… of investigations by structural-mechanical FEM simulations and designed for high rigidity, especially …”

L.-C. Chang, Q. Y. Zhuang, S.-J. Tsai, J.-F. Hochrein, S. Landler, M. Otto, K. Stahl Comparing the contact characteristics of involute gear/ eccentric cycloidal gear calculated by various loaded tooth contact analysis models S. 397-412

„… element method (FEM) is a popular method for analyzing contact problem of gear pair, but is not suitable …” „… also compared with FEM results to verify its feasibility.2. Basic gear geometry of EC gearingThe tooth …” „… Input torque (Nm) 10 Fig. 20:p Comparison contact areas between FEM and LTCA results Fig. 21 …”

B. Guilbert, D. Dureisseix, P. Velex Hybrid models for the simulation of displacements and stresses in lightweight gears S. 315-328

„… studied mode frequency responses Frequencies (Hz) Model a) (rigid pinion + FEM gear)Model b) (FEM pinion …”

C. Kirchhoff, P. Tenberge Optimization of the vibrational behavior of ZI crossed helical gears with a plastic wheel and a steel worm S. 1419-1434

„… deformation. Within the context of this work, a program is therefore developed that uses FEM to analyze the …” „… according to HERZ is only an approximation. For this reason, FEM is used in this work. It is shown that …” „… : Normal section contour of the reference worm over the toothing width [1] 4. FE-model with nodes in the …”

C. Dongu Im, W.-J. Chung, J.-H. Park, D.-J. Moon, Pfor. Y.-J. Park The effect of working surface deviation on transmission error in helical gears S. 1125-1134

„… data, the analysis model was built using commercial software. The finite element method (FEM) was used …”

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

„… modeled using DEM simulation. In contrast to conventional FEM or CFD, DEM employs independent particles …”

A. Beinstingel, F. Haringer, W. Sigmund, M. Heider, B. Pinnekamp, S. Marburg Investigation of Sound and Vibration Behavior of Cylindrical Gears S. 599-618

„… out with the finite element method (FEM) as described in [22]. This computation is performed in each …” „… of a housing structure is usually quite complex, the FEM is applied to describe this dynamic …” „… focused gearboxes with respect to the applied FE-model. Usually, quiet operation is not required at …”

J. Woelling, F. Manis Recycling of carbon fiber reinforced plastics – State of the Art and Challenges S. 1287-1296

„… candidates, to integrate material charts into FEM-analysis and to establish recycled carbon fibres as a …”

B.-R. Höhn, Y. Zhang, M. Geitner, M. Otto Efficiency-improvement with low-loss-gears by two different application S. 13-18

„… deformation, which can be calculated with FEM and leads to forces to the axial bearings 44, 48 and 52. These …”

J.-A. Meis Parametric system simulation of load sharing in planetary gearboxes S. 269-280

„… software, and to transform them into a format that can be used in the FEM software Ansys. This is …” „… Drehmomentdichten als möglich führt. Um die genannten Probleme zu lösen, wurde ein parametrisches FE-Modell …” „… solve the mentioned issues a parametric FE-model was developed, including the gears with the …”

T. Tra My Truong, S. Schumann, B. Schlecht On the Testing of Flank Fracture Calculations Based on 3D-Gears S. 243-256

„… , C. u. Schlecht, B.: Stress calculation on bevel gears with FEM influ-ence vectors. In: Forschung im …”

D. Zorko, N. Vukašinović, B. Černe The effect of gear manufacturing quality on the mechanical and thermal state of a plastic gear S. 1319-1332

„… the described FEM model, the elastic deformations of the teeth were also taken into account when …”

M. Rothemund, M. Otto, K. Stahl Applicability of classic analytical calculation approaches for the design of plastic gears S. 1483-1498

„… of plastic spur gears using FEM evaluation. Finite Element in Analysis and Desin. 27(4), 345-357 …”

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

„… °-tangent, based on a preliminary conducted 2D-FEM-Simulation. As the point of maximum tension is in front …”

S. Landler, M. Trübswetter, M. Otto, K. Stahl Parameter Based Definition of Eccentric Cycloid Gearings S. 1207-1228

„… (2014) [23] Spitas, C. and Spitas, V.: A FEM study of the bending strength of circular fillet gear teeth …”

E. Grabovic, A. Artoni, M. Gabiccini, E. Ciulli Exploration of trade-offs between NVH and efficiency in bevel gear design S. 853-880

„… general-purpose FEM software). The optimizations are carried out by a relatively simple direct-search algorithm …”

M. Willecke, J. Brimmers, C. Brecher Experimental Investigation of the load carrying capacity of beveloid gears with optimized flank topography S. 125-138

„… , without solving the FE-Model every time a contact is found, by representing the stiffness of the specific …”

G. Devaraj Vibration reduction of planetary gear drive using mesh phasing: modelling and experimental validation S. 157-174

„… model is built using Romax Software, then an FE-meshed housing is imported from Abaqus to Romax in order …”

B. Abert, D. Werner The Influence of Wheel Body Design on Airborne Noise S. 357-366

„… Steifigkeitsmatrizen aus einem FE-Modell verwendet und mit einem analytischen Modell des Zahnkontakts verknüpft werden …”

doi.org/10.51202/9783181024225

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wt Werkstattstechnik online

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wt Jahrgang 102 (2012) Heft 7-8 ISSN Online: 1436-4980

Treffer in den folgenden Teilen:

Hanns Kache, Malte Stonis, Bernd-Arno Behrens Flachbackenquerkeilwalzen für Stahl und Aluminium S. 473-479

„… FEM-Analyse der Stadienfolge 3.1 FEM-Simulationen des Querkeilwalzprozesses Um den Effekt der …” „… . Weitere Details zu den FEM-Analysen – auch der gesamten Stadienfolge – sind in der Veröffentlichung [6 …” „… ] von Kache, Stonis und Nickel dargestellt. 3.2 Durchführung und Ergebnisse der FEM-Analyse Für die …”

Eckart Uhlmann, Bernd Duchstein, Fabio Meister Sichere Schnittstelle „Sichtscheibe – Umhausung“* S. 455-458

„… Kosten verursachen. Es werden daher FEM-Aufprallsimulationen genutzt, wie sie am Institut bereits für …” „… Aufprallprüfungen mit auf -fälligen Effekten ausgewählt werden. Die Nutzung der FEM-Aufprallsimulation konzentrierte …” „… am Rahmen und an der Schutzscheibe verwendet werden, um die FEM-Simulation mit der Realität …”

Thomas Bödrich, Michael Süßenbecker, Jens Lienig Neuartige Vorschubantriebe für kleine Werkzeugmaschinen* S. 441-446

„… zwischen Läufer und Ständer auftreten (mit FEM ermittelt). Solche Querkräfte sind in mehrphasigen …” „… Grobauslegung mit der Methode der finiten Elemente (FEM) ermitteln (Bild 4 und Bild 5). Aus dem negativen …” „… . 7/8 443 Bild 4. Mit der Finite-Elemente-Methode (FEM) simulierte Flusslinien des Permanentmagnetfelds …”

doi.org/10.37544/1436-4980-2012-7-8

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wt Werkstattstechnik online

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wt Jahrgang 94 (2004) Heft 11-12 ISSN Online: 1436-4980

Treffer in den folgenden Teilen:

E. Uhlmann, M. Füting, K. Schauer Optimierung von Mikrofräswerkzeugen in der Werkzeugplanungsphase – Nutzung innovativer Technologien zur Verbesserung der Prozesssicherheit von Mikrofräswerkzeugen S. 596-599

„… Mikrofräswerkzeugen durch die Nut-zung von Methoden der Finite-Elemente (FEM)-Simulation in der Werkzeugplanungsphase …” „… Werkzeuggeometrie begünstigt wird, bieten die Möglichkeiten der FEM-Technologie praktikable Hilfsmittel. Die aus den …” „… FEM-Berechnung erforderlich. Diese Kennwerte können bei-spielsweise in werkstofftechnischen Untersuchungen …”

B. Denkena, J. Li Simulation aerostatischer Mikroführungen* – FE-Modellierung und Berechnung S. 615-619

„… aerostatische Linearführung für Mikrosysteme mit dem FEM-Programm ANSYS/FLOTRAN modelliert und simuliert wurde …” „… by using the FEM-program ANSYS/FLOTRAN. The results from the static and dynamic si-mulations are …” „… Beitrag wird ein FE-Modell für die aerostatische Führung vor-gestellt. Die mit Kennlinien dargestellten …”

H.-H. Gatzen, C. Morsbach Magnetische Werkstoffe in Mikrosystemen S. 631-635

„… , Springer Verlag, (2001), Chapter 19, pp. 464–488 [7] Iswahjudi H.; Gatzen, H.-H.: FEM Simulation for Design …”

U. Stute, F. Siegel Anwendungen des Lasers in der Mikrosystemtechnik – Von Materialabtrag bis Rapid Prototyping – Ein Überblick S. 605-609

„… , Copenhagen, Denmark, 13.11.–14.11.2003 [3] Dausinger F.: Femtosecond technology for precision manufacturing …”

doi.org/10.37544/1436-4980-2004-11-12

Robert Cichon - Biomechanical Modeling and Numerical Simulation of minimal-invasive Treatment of Hip Joint Diseases

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Robert Cichon

Biomechanical Modeling and Numerical Simulation of minimal-invasive Treatment of Hip Joint Diseases

Reihe: Biotechnik/Medizintechnik

Band 295 2017

Treffer in den folgenden Teilen:

Titelei/Inhaltsverzeichnis

„… Femoroacetabular Impingement FE Finite Element FEM Finite Element Method FHN Femur Head Necrosis FNA Femoral Neck …” „… of acetabulum, femur, and labrum are manually segmented and CAD and FEM models are generated. Finally …” „… segmentiert und CAD- sowie FEM-Modelle generiert. Die Bewegung der Knochen wird anschlieÿend mit Hilfe der …”

State of the Art S. 23-40

„… ] froms the name FEM in 1960, where he connected the model of a continuum as a composition of smaller …” „… of FEM is to transfer the problem-describing di erential equation into a linear equation systems …” „… state of the vascular smooth muscles developing a new material model based on FEM. They showed that the …”

Conclusions and Outlook S. 113-117

„… and shorter calculation times compared with FEM simulations, however, occurring stresses can only be …” „… calculated using FEM (cf. Section 4.1.3). Consequently, determination of maximal angles and collision …” „… . Initially, MRI and CT data are manually segmented and 3D models are generated to perform FEM simulations …”

Materials and Methods S. 41-76

„… pre-operative degree of movement is performed using CAD-software and FEM-software to compare the results with …” „… importance. 3.1.1 Theory Finite Element Method In the last decades, the nite element method (FEM) is …” „… possible using equations. For a complex geometry, this approach is limited. Thus, the basic concept of FEM …”

Results and Discussion S. 77-112

„… Diseases 4.2 Femur Head Necrosis FEM simulations, the lowest stress can be integrated into the software and …” „… Treatment of Hip Joint Diseases 4.1 Femoroacetabular Impingement Unedited Poisson NURBS Figure 4.1: Femur …” „… after the surgery. CAD software and FEM software are used to compare the results with each other. The …”

References S. 128-146

„… mehrkörpermodellen und fem analysen zur behanldungsoptimierung von femoroacetabulärem impingement, Master's thesis …” „… of living tissues. Springer Science & Business Media, 2013. [68] B. Klein, FEM: Grundlagen und …” „… , Hip Int, vol. 20, no. Suppl 7, pp. 36 42, 2010. [136] F. Haddad, Femoro-acetabular impingement: An …”

Introduction S. 1-22

„… of the femoral neck, the adult osteoarthritis hip, the femoroacetabular Impingement, the femur head …” „… Femoroacetabular Impingement (FAI) and Femoral Head Necrosis (FHN). Combining motion analysis and multi-body …” „… connection between lower and upper extremity. The tighbone (Femur) is connected through the femoral neck axis …”

doi.org/10.51202/9783186295170

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wt Jahrgang 108 (2018) Heft 10 ISSN Online: 1436-4980

Treffer in den folgenden Teilen:

E. Özkaya, S. Hannich, D. Biermann Untersuchungen zum thermischen Fließbohren*/Investigations on thermal flow drilling – Three-dimensional modelling and simulation with experimental validation S. 724-729

„… bestimmt wird. Die dreidimensionale Modellierung und FEM-Simulation, die gewöhnlich für Zerspanungsprozesse …” „… auch das Werkzeug wieder Raumtemperatur annehmen können. 3 FEM-Modellierung und Simulation Für die …” „… Rotationsfrequenz und die Vorschubgeschwindigkeit bestimmt. Für die FEM-Simulation wird daher zunächst das …”

M. Liewald, S. Walzer Temperiertes Tiefziehen von Magnesiumfeinblech*/Development of a tempered deep-drawing tool for hot forming of magnesium sheet metal S. 657-661

„… dargestellt. Mit dem kommerziellen FEM-Simulationssystem Auto- Form R7 wurde vorab der temperierte …” „… von Magnesiumblechlegierungen auswirken kann. In den begleitenden FEM – Simulationen konnten die …” „… ] Groth, C.; Müller, G.: FEM für Praktiker, Renningen: Expert-Verlag, 2009 [5] Dröder, K. G …”

C. Wunderling, S. Meyer, M. F. Zäh Thermisches Fügen von Metall-Kunststoff-Hybridverbindungen*/Thermal joining of metal-plastic hybrid joints – Analysis of the potential of surface pre-treatment using continuous-wave laser radiation S. 708-715

„… FEM-Simulation untersucht werden, in der für einen Parametersatz die Temperaturerhöhung im Grundwerkstoff und die …” „… nämlich tiefere Schnittfugen kann die Vorschub - Bild 5. FEM-Modell (a) zur Abschätzung der …”

B. Behrens, A. Chugreev, T. Matthias Hybride Lagerbuchsen aus Aluminium und Stahl*/Numerical process design for the production of a hybrid bearing bushing made of aluminium and steel S. 691-697

„… sich die Finite-Elemente- Methode (FEM) als numerisches Simulationsverfahren in der Umformtechnik …” „… etabliert [13]. Der Einsatz der FEM ermöglicht schon in der Konzeptions- und Auslegungsphase eine …” „… Werkstofffluss und die Belastungen der Werkzeuge bestmöglich abzubilden. In Bild 5 sind das FE-Modell sowie die …”

T. Burkhardt, S. Liebl, K. Massalsky, R. Riedel, N. Göhlert, P. Wilsky, R. Prielipp Neue Anwendungen für das Innenhochdruckumformen/Increasing the applicability of internal high pressure forming – A smart concept to sustainably improve market access for SME for internal high pressure forming S. 698-702

„… dem Erfahrungswissen des Technologen. Die numerische FEM (Finite Elemente Methode)- Simulation des …”

E. Abele, F. Ali, A. Bretz, I. Lorenz, F. Schulte, A. Sperling, B. Tichi Einsatz von CFK-Komponenten in Werkzeugmaschinen*/Design of a gantry machine tool’s slide made of CFRP S. 718-723

„… FEM-Strukturmechanik-Simulationen genutzt worden, um wenig beanspruchte Bereiche zu identifizieren und dort Material einzusparen …”

doi.org/10.37544/1436-4980-2018-10

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