20.500.12556/RUL-154263 Elasto-viscoplastic material modelling using the multiaxial Prandtl operator approach The closed-form solution for Prandtl model implemented into the finite element method is presented which enables elasto-viscoplastic simulations of engineering materials. A nonlinear temperature-dependent damper is combined in series with the temperature-dependent spring-slider model for the description of the material stress–strain behaviour. The simulation capabilities allow a separate study of influence due to plastic or viscous properties of the material. Several load cases are studied, including constant temperature relaxation and variable thermomechanical loads. The simulation results are then compared to the Abaqus-implemented material model for elasto-viscoplastic simulations. The models provide similar solutions for simpler load cases whereas higher discrepancies can be observed for more complex load histories since the positions of the nonlinear damper in the models differ. Prandtl operators finite element method thermomechanical loading Prandtlovi operatorji metoda končnih elementov termomehansko obremenjevanje true false true Angleški jezik Slovenski jezik Članek v reviji 2024-02-05 10:56:33 2024-02-05 10:56:37 2025-08-08 13:30:35 0000-00-00 00:00:00 2024 0 0 16 str. Vol. 267, [article no.] 108953 2024 0000-00-00 Zaloznikova Objavljeno NiDoloceno 0000-00-00 0000-00-00 0000-00-00 539.3 1879-2162 10.1016/j.ijmecsci.2023.108953 183728643 Nagode_..._Elasto-viscoplastic_material_modelling_....pdf Nagode_..._Elasto-viscoplastic_material_modelling_....pdf 1 41C63BDD48D55F56D3D65347DD507111 ad242668ca7a120e743dc18faf00d2c0bed7d981c387aaa738c39b2ae2c129e7 b97424f9-c412-11ee-8e16-0050569b8976 https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=180581 https://www.sciencedirect.com/science/article/pii/S002074032300855X 1 dac4b6eb-c40c-11ee-8e16-0050569b8976 https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=180558 Fakulteta za strojništvo 0 0 0