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Št. zadetkov: 5
Estimating the strain-rate-dependent parameters of the Johnson-Cook material model using optimisation algorithms combined with a response surface
Andrej Škrlec, Jernej Klemenc
Izvirni znanstveni članek
Oznake: hitrost specifične deformacije;metoda končnih elementov;metoda načrtovanja preizkusov;Taguchijeva matrika;odzivna površina;evolucijski algoritem;Johnson-Cook materialni model;strain rate;finite-element method;design of experiment;Taguchi orthogonal array;response surface;evolutionary algorithm;Johnson-Cook material mode;
Under conditions where a product is subjected to extreme mechanical loading over a very short time period, the strain rate has considerable influence on the behaviour of the product%s material. To simulate the behaviour of the material accurately under these loading conditions, the appropriate strai ...
Leto: 2020 Vir: Fakulteta za strojništvo (UL FS)
Design, testing, and sensitivity analysis of a torsional cyclic test adapter
Klara Gaber, Andrej Škrlec, Jernej Klemenc, Domen Šeruga
Izvirni znanstveni članek
Oznake: torzija;mehanizem;ciklično obremenjevanje;trenje;plastičnost;torsion;mechanism;cyclic loading;friction;plasticity;
In this article, a torsional adapter is designed and evaluated through the comparison of analytical, numerical, and experimental tools. The adapter converts a conventional tension–compression test machine for cyclic loading to a modified application of both force-controlled and displacement-controll ...
Leto: 2024 Vir: Fakulteta za strojništvo (UL FS)
Modelling a response of complex-phase steel at high strain rates
Andrej Škrlec, Tadej Kocjan, Marko Nagode, Jernej Klemenc
Izvirni znanstveni članek
Oznake: jekla s kompleksno mikrostrukturo;Cowper–Symondsov model;odzivna površina;multi-kriterijska ciljna funkcija;genetski algoritem;complex phase steel;Cowper–Symonds model;response surface;multi-criterion objective function;genetic algorithm;
In this article, a response of the complex-phase high-strength steel SZBS800 was modelled by considering the strain-rate influence. The material’s response was first measured with a series of standard tensile tests at lower strain rates. Higher strain rates were achieved using the unconventional tes ...
Leto: 2024 Vir: Fakulteta za strojništvo (UL FS)
Estimating the Cowper–Symonds parameters for high-strength steel using DIC combined with integral measures of deviation
Andrej Škrlec, Branislav Panić, Marko Nagode, Jernej Klemenc
Izvirni znanstveni članek
Oznake: Cowper–Symonds model;digital image correlation (DIC);integral measure of deviation;multi-criterion optimisation;high-strength steel;
Cowper–Symonds parameters were estimated for the complex-phase high-strength steel with a commercial name of SZBS800. The parameter estimation was based on a series of conventional tensile tests and unconventional high-strain rate experiments. The parameters were estimated using a reverse engineerin ...
Leto: 2024 Vir: Fakulteta za strojništvo (UL FS)
Razvoj večnamenskih avksetičnih celičnih struktur
Matej Vesenjak, Srečko Glodež, Zoran Ren, Miran Ulbin, Matej Borovinšek, Nejc Novak, Marko Šori, Jernej Klemenc, Marko Nagode, Aleš Gosar, Andrej Škrlec, Mitja Franko, Tadej Kocjan, Dejan Tomažinčič
Končno poročilo o rezultatih raziskav
Oznake: materiali;avksetične celične strukture;mehanske lastnosti;deformacije;konstruiranje;
Razvoj večnamenskih avksetičnih celičnih struktur
Leto: 2021 Vir: Fakulteta za strojništvo (UM FS)
Št. zadetkov: 5
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