Multiaxial fatigue strength of common structural steel and the response of some estimation methods

J Papuga, F Fojtík - International Journal of Fatigue, 2017 - Elsevier
This paper describes the multiaxial fatigue strengths obtained from a series of load-
controlled fatigue experiments in the high-cycle fatigue domain. The experiments were …

Numerical modeling of steel fillet welded joint

M Krejsa, J Brozovsky, D Mikolasek, P Parenica… - … in Engineering Software, 2018 - Elsevier
The paper is focused on the numerical modeling of steel bearing elements and their
verification using experiment. Currently, for the stress-strain analysis of the elements …

Implementation of MAKOC cyclic plasticity model with memory

R Halama, A Markopoulos, R Jančo… - Advances in Engineering …, 2017 - Elsevier
This paper deals with the description of implementation of the advanced cyclic plasticity
model called MAKOC, which is based on the AbdelKarim–Ohno kinematic hardening rule …

Influence of different strain hardening models on the behavior of materials in the elastic–plastic regime under cyclic loading

P Sivák, P Frankovský, I Delyová, J Bocko, J Kostka… - Materials, 2020 - mdpi.com
In exact analyses of bodies in the elastic–plastic regime, the behavior of the material above
critical stress values plays a key role. In addition, under cyclic stress, important phenomena …

Massively parallel solution of elastoplasticity problems with tens of millions of unknowns using PermonCube and FLLOP packages

A Markopoulos, V Hapla, M Cermak, M Fusek - Applied Mathematics and …, 2015 - Elsevier
In this paper we are presenting our PermonCube and FLLOP packages, and their use for
massively parallel solution of elastoplasticity problems. PermonCube provides simple …

Modeling the strain-range dependent cyclic hardening of SS304 and 08Ch18N10T stainless steel with a memory surface

R Halama, J Fumfera, P Gál, T Kumar, A Markopoulos - Metals, 2019 - mdpi.com
This paper deals with the development of a cyclic plasticity model suitable for predicting the
strain range-dependent behavior of austenitic steels. The proposed cyclic plasticity model …

[PDF][PDF] Cyclic plastic properties of class C steel emphasizing on ratcheting: testing and modelling

R Halama, A Markopoulos, M Šofer, Z Poruba… - … časopis-Journal of …, 2015 - sciendo.com
Cyclic plasticity modelling of metals needs individual approach. There are specific theories
for various metallic materials including mainly phenomenological models, useful for practical …

[PDF][PDF] Experimental verification of a steel fillet welded joint model

M Krejsa, J Brozovsky, D Mikolasek… - Proc. of the Fifteenth …, 2015 - researchgate.net
This paper is focused on the numerical modeling of steel bearing elements and their
verification using experiments. Currently, for the stress-strain analysis of the elements …

[PDF][PDF] Experimental study of fatigue life and residual stresses after friction stir hole expansion in aluminum alloy D16AT

VG Duncheva - Technological complexes, 2016 - irbis-nbuv.gov.ua
This paper presents the outcomes from experimental study of fatigue life and residual hoop
stresses after Friction Stir Hole Expasion (FSHE). FSHE is directed to fatigue life …

Parameter identification of chaboche material model using indantation test data and inverse approach

M Cermak, R Halama, T Karasek… - … VI: proceedings of the …, 2015 - upcommons.upc.edu
In this paper genetic algorithm and sensitivity analysis are used to identify 6 parameters of
Chaboche kinematic hardening model using repeated Finite element (FE) simulations of …