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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:

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

„… (13) (2021), 108024 [11] Krack, M., Gross, J.: Harmonic Balance for Nonlinear Vibration Problems …” „… time domain to account for nonlinear interactions. To speed up computation time, the housing is …” „… [14]. As a result, all dynamic cross-influences are considered nonlinear in the form of a coupled …”

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

„… simulation tool. The maximum contact pressures are limited by the material properties, thus proper nonlinear …” „… , manufacturing errors, and misalignments. These problems may result in increased noise levels, vibration, and …” „… reduced reliability of the gear system. Consequently, understanding the underlying causes of NVH problems …”

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

„… on the current configuration of the bodies, the problem is non-linear, and thus needs to be solved …” „… the aforementioned algorithms in G+Smo, two benchmark problems were solved. First the contact patch …” „… .: Handbook of Contact Mechanics: Exact Solutions of Axisymmetric Contact Problems. Springer Berlin Heidelberg …”

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

„… Drehmomentdichten als möglich führt. Um die genannten Probleme zu lösen, wurde ein parametrisches FE-Modell …” „… position. For the gear and journal bearing contacts nonlinear augmented Lagrange formulations are chosen …” „… plant pins and the carrier is also set up as a nonlinear contact, but the inference fit and the friction …”

H. Jia, D. Qin, G. Hu, X. Xu, W. Bai Electromechanical Coupling Modeling and Torsional Vibration Analysis of Helicopter Electric Propulsion System S. 675-688

„… suppress the torsional vibration of helicopter transmission system is one of the key problems to be solved …” „… in the design of helicopter transmission system.Boeing and Sikorsky discovered torsional problems in …” „… nonlinear coupling to isolate torsional vibrations in the drive system. Li et al.[10] increased the critical …”

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

„… ) gears. EC gears have unique characteristics, such as a non-linear space curve or surface for contact …” „… adapting the calculation model, it is possible to address conforming contact problems where the contact …” „… area is large compared to the radius of the contact body. To deal with conforming contact problems, the …”

A. I. Aydeniz Modelling and Analysis of the Effect of Root Modification on Load Sharing and Stress Values on Spur Gears S. 1039-1062

„… modification method, which can be used especially in mechanisms with no assembly problems, has been examined …” „… gear sets that have assembling (such as planetary gears) problems. VDI-Berichte Nr. 2422, 2023 1059 …” „… ), A Non-linear Mathematical Model for Dynamic Analysis of Spur Gears Inclıding Shaft and Bearing …”

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

„… as positional parameters. Often, these interactions exhibit non-linear behavior. Furthermore, due to …” „… pitting and scuffing load carrying capacity. This result could be confirmed as no more problems with …”

L. Bonaiti, M. Monti, C. Gorla, M. Geitner, T. Tobie, K. Stahl The consequences of different methodologies for the elaboration of pulsator test results with respect to the load spectrum assessment of gears S. 33-52

„… simplification of the fatigue problems [22], which results in a strict distinction of the different regions of …” „… fatigue limit region. The curve can be described by a nonlinear equation of the form: log 𝑁 log 𝜎 (2 …”

doi.org/10.51202/9783181024225

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VDI Wissensforum GmbH (Hrsg.)

Baudynamik 2018

Reihe: VDI-Berichte

Band 2321 2018

Treffer in den folgenden Teilen:

F. Taddei, G. Müller Numerische Methoden für die nichtlineare seismische Boden-Bauwerk-Interaktionsanalyse S. 473-482

„… Numerical Methods for the Nonlinear Seismic Soil-Structure-Interaction Analysis Dr.-Ing. Francesca …” „… infinite soil in the seismic analysis of nonlinear structures. Three categories are analyzed: direct …” „… Probleme [2]. Praktische Anwendungsbeispiele der HTFD-Methode können in [20] gefunden werden. 5 …”

doi.org/10.51202/9783181023211

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

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Christian Woitzik

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

Reihe: Mechanik/Bruchmechanik

Band 356 2021

Treffer in den folgenden Teilen:

Introduction S. 1-5

„… finite element method (FEM), and its advances in solving non-linear problems and including contact …” „… methods for the treatment of non-linear [5, 6] and contact problems [7, 8] advanced the use of numerical …” „… uncertainties when comparing simulations and experiments, especially in the non-linear case. Therefore …”

doi.org/10.51202/9783186356185

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Bauingenieur

Alle Ausgaben: Bauingenieur

Bauingenieur Jahrgang 94 (2019) Heft 12 ISSN Online: 0005-6650

Treffer in den folgenden Teilen:

Mehran Motevalli, Jörg Uhlemann, Natalie Stranghöner, Daniel Balzani A new nonlinear polyconvex orthotropic material model for the robust simulation of technical fabrics in civil engineering applications at large strains – Validation with large-scale experiment/Ein neues polykonvexes orthotropes Materialmodell zur robusten Simulation von Textilmembranen im Bauingenieur- wesen unter Berücksichtigung großer Deformationen – Validierung anhand eines Großbauteilversuchs S. 488-497

„… problems The accuracy and robustness of the proposed nonlinear orthotropic model in the numerical …” „… 488 H A U P T A U F S A T Z BAUINGENIEUR BD. 94 (2019) NR. 12 A new nonlinear polyconvex …” „… (linear) stiffness parameters by previously identifying the (nonlinear) model parameters. Eventually, the …”

doi.org/10.37544/0005-6650-2019-12

Matthias Schreiner - Bayesian Environment Representation, Prediction, and Criticality Assessment for Driver Assistance Systems

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Matthias Schreiner

Bayesian Environment Representation, Prediction, and Criticality Assessment for Driver Assistance Systems

Reihe: Verkehrstechnik/Fahrzeugtechnik

Band 797 2016

Treffer in den folgenden Teilen:

Bayesian Inference for Nonlinear Filtering Tasks S. 18-66

„… 18 3 Bayesian Inference for Nonlinear Filtering Tasks Bayesian inference is a theoretically …” „… for Nonlinear Filtering Tasks The second factor in (3.5) is, according to a second application of …” „… state distribution is searched. 22 3 Bayesian Inference for Nonlinear Filtering Tasks to time k − 1. The …”

Bibliography S. 221-254

„… , Sept. 2010. [114] K. Ito and K. Xiong. Gaussian Filters for Nonlinear Filtering Problems. IEEE …” „… . Clapp. A Tutorial on Particle Filters for Online Nonlinear/Non-Gaussian Bayesian Tracking. IEEE …” „… to Nonlinear/Non-Gaussian Bayesian State Estimation. Radar and Signal Processing, 140(2):107–113, Apr …”

Summary and Outlook S. 207-211

„… probabilities of maneuvering targets in clutter, each of which is described by a jump Markov nonlinear system …” „… challenging problems still remain to be solved. These include not just legal or testing aspects as often …”

Grid Mapping in Dynamic Environments S. 67-102

„… fundamental problems in mobile robotics. Especially occupancy grid mapping is a widespread method for building …” „… , • be easily combinable with existing systems relying on a traditional BBF-based mapping, 1Problems only …” „… objects without the need of clustering the original grid or measurement. • A nonlinear, adaptive …”

Parametric Free Space Maps S. 103-131

„… to the grid mapmopt,k to get rid of noisy pixels (Fig. 5.4c). This nonlinear, rank-order filter is …” „… previously described dynamic mapping approach without problems. Calculation times for the different steps of …” „… allows arbitrarily fine evaluations and closed, analytic solutions to problems such as distance …”

doi.org/10.51202/9783186797124

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