Results 151 to 160 of about 334 (172)
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MODIFIED GENETIC ALGORITHM IN CHABOCHE MODEL PARAMETERS IDENTIFICATION
2017Many of genetic algorithms that are commonly used have a major drawback – they have high computational power requirements, some in CPU time or high memory consumption or some of them both. So modified genetic was developed and in research presented in this paper algorithm was tested in Chaboche material model parameters identification for low-cycle ...
Janeš, Gordan +2 more
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Chaboche Material Model and Thermo-Mechanical Behaviour of Polymers with Respect to Fatigue
2017In this paper we want to highlight the chain of linked topics, which are necessary to cover when implementing a fatigue analysis for polymeric materials and/or fibre-reinforced plastics. Starting from experimental observation the time dependency in cyclic loading responses are emphasized by viscoelastic and viscoplastic phenomena in applied material ...
Matthias Ziegenhorn +4 more
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Volume 1B: Codes and Standards, 2013
Two calibration processes are selected for determining the parameters of the Chaboche nonlinear kinematic hardening (NLK) material model for stainless steel. One process is manual that requires no outside software and the other follows a finite element software.
Arturs Kalnins +2 more
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Two calibration processes are selected for determining the parameters of the Chaboche nonlinear kinematic hardening (NLK) material model for stainless steel. One process is manual that requires no outside software and the other follows a finite element software.
Arturs Kalnins +2 more
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Implicit numerical algorithm for Chaboche elastoplastic model
Procedings of The XXXVI Iberian Latin American Congress on Computational Methods in Engineering, 2015J. P. Lopes, L. Malcher
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Applied Mechanics and Materials, 2015
The Chaboche unified model with kinematic recovery term was used to describe the cyclic plasticity and viscoplasticity of a new nickel-based superlloy. The model response sensitivities to the change of each parameter of this Chaboche model under either stress control or strain control are calculated and analysed. Influential parameters were identified.
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The Chaboche unified model with kinematic recovery term was used to describe the cyclic plasticity and viscoplasticity of a new nickel-based superlloy. The model response sensitivities to the change of each parameter of this Chaboche model under either stress control or strain control are calculated and analysed. Influential parameters were identified.
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Implicit finite element implementation of Chaboche’s plasticity kinematic hardening model
2021This paper aims to present a comprehensive guideline for the implementation of Chaboche's plasticity kinematic hardening model in the context of finite element analysis. A detailed strategy for the resolution of the elastoplastic problem (return mapping) as well as for the computation of the consistent tangent operator are presented.
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