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- 1.0585818 - ÚGN 2025 RIV NL eng J - Journal Article
Reddy, B. D. - Sysala, Stanislav
The elastic threshold for strain-gradient plasticity, and comparison of theoretical results with experiments.
European Journal of Mechanics A-Solids. Roč. 104, March–April 2024 (2024), č. článku 105025. ISSN 0997-7538. E-ISSN 1873-7285
Institutional support: RVO:68145535
Keywords : dissipative strain-gradient plasticity * elastic threshold * lower and upper bounds * torsion problem * experimental results
OECD category: Applied mathematics
Impact factor: 4.1, year: 2022
Method of publishing: Limited access
https://www.sciencedirect.com/science/article/pii/S0997753823001171
Permanent Link: https://hdl.handle.net/11104/0353488File Download Size Commentary Version Access UGN_0585818 .pdf 1 882.3 KB Other require - 2.0584471 - ÚGN 2025 RIV US eng J - Journal Article
Luber, Tomáš - Sysala, Stanislav
Robust block diagonal preconditioners for poroelastic problems with strongly heterogeneous material.
Numerical Linear Algebra with Applications. Roč. 31, č. 3 (2024), č. článku e2546. ISSN 1070-5325. E-ISSN 1099-1506
EU Projects: European Commission(XE) 847593 - EURAD
Institutional support: RVO:68145535
Keywords : mixed finite elements * poroelasticity * preconditioning * Schur complement
OECD category: Applied mathematics
Impact factor: 4.3, year: 2022
Method of publishing: Open access
https://onlinelibrary.wiley.com/doi/full/10.1002/nla.2546
Permanent Link: https://hdl.handle.net/11104/0352382File Download Size Commentary Version Access UGN_0584471.pdf 0 1.9 MB Other require - 3.0579562 - ÚGN 2025 RIV US eng J - Journal Article
Karátson, J. - Sysala, Stanislav - Béreš, Michal
Quasi-Newton variable preconditioning for nonlinear elasticity systems in 3D.
Numerical Linear Algebra with Applications. Roč. 31, č. 3 (2024), č. článku e2537. ISSN 1070-5325. E-ISSN 1099-1506
Institutional support: RVO:68145535
Keywords : deflated conjugate gradient * mesh independence * nonlinear elasticity * preconditioning * Quasi-Newton methods
OECD category: Applied mathematics
Impact factor: 4.3, year: 2022
Method of publishing: Open access
https://onlinelibrary.wiley.com/doi/10.1002/nla.2537
Permanent Link: https://hdl.handle.net/11104/0348374 - 4.0571945 - ÚGN 2024 RIV GB eng J - Journal Article
Sysala, Stanislav - Tschuchnigg, F. - Hrubešová, E. - Michalec, Zdeněk
Optimization variant of the shear strength reduction method and its usage for stability of embankments with unconfined seepage.
Computers and Structures. Roč. 281, June 2023 (2023), č. článku 107033. ISSN 0045-7949. E-ISSN 1879-2243
R&D Projects: GA ČR(CZ) GA19-11441S
Institutional support: RVO:68145535
Keywords : geotechnical stability assessment * computational plasticity * unconfined seepage * shear strength reduction method * optimization * mesh adaptivity
OECD category: Applied mathematics
Impact factor: 4.7, year: 2022
Method of publishing: Limited access
https://www.sciencedirect.com/science/article/pii/S0045794923000639
Permanent Link: https://hdl.handle.net/11104/0345443File Download Size Commentary Version Access UGN_0571945.pdf 1 4.2 MB Other require - 5.0548188 - ÚGN 2022 RIV US eng J - Journal Article
Sysala, Stanislav - Hrubešová, Eva - Michalec, Zdeněk - Tschuchnigg, F.
Optimization and variational principles for the shear strength reduction method.
International Journal for Numerical and Analytical Methods in Geomechanics. Roč. 45, č. 16 (2021), s. 2388-2407. ISSN 0363-9061. E-ISSN 1096-9853
R&D Projects: GA ČR(CZ) GA19-11441S
Institutional support: RVO:68145535
Keywords : convex optimization * finite elements and mesh adaptivity * regularization * shear strength reduction method * slope stability * static and kinematic principles
OECD category: Applied mathematics
Impact factor: 4.229, year: 2021
Method of publishing: Limited access
https://onlinelibrary.wiley.com/doi/full/10.1002/nag.3270
Permanent Link: http://hdl.handle.net/11104/0324296File Download Size Commentary Version Access UGN_0548188.pdf 2 1.3 MB Other require - 6.0545246 - ÚGN 2022 RIV SG eng J - Journal Article
Sysala, Stanislav - Haslinger, Jaroslav - Reddy, B. D. - Repin, S.
An abstract inf-sup problem inspired by limit analysis in perfect plasticity and related applications.
Mathematical Models and Methods in Applied Sciences. Roč. 31, č. 8 (2021), s. 1593-1623. ISSN 0218-2025. E-ISSN 1793-6314
R&D Projects: GA ČR(CZ) GA19-11441S
Institutional support: RVO:68145535
Keywords : convex optimization * duality * inf-sup conditions on cones * regularization * computable majorants * plasticity * delamination * limit analysis
OECD category: Applied mathematics
Impact factor: 3.803, year: 2021
Method of publishing: Limited access
https://www.worldscientific.com/doi/10.1142/S0218202521500330
Permanent Link: http://hdl.handle.net/11104/0321987File Download Size Commentary Version Access UGN_0545246.pdf 1 454.4 KB Other require - 7.0534325 - ÚGN 2021 RIV GB eng J - Journal Article
Reddy, B. D. - Sysala, Stanislav
Bounds on the elastic threshold for problems of dissipative strain-gradient plasticity.
Journal of the Mechanics and Physics of Solids. Roč. 143, October 2020 (2020), č. článku 104089. ISSN 0022-5096. E-ISSN 1873-4782
R&D Projects: GA ČR(CZ) GA19-11441S
Institutional support: RVO:68145535
Keywords : dissipative strain-gradient plasticity * elastic threshold * duality * lower and upper bounds * penalization method * finite element method
OECD category: Applied mathematics
Impact factor: 5.471, year: 2020
Method of publishing: Limited access
https://www.sciencedirect.com/science/article/abs/pii/S0022509620303239
Permanent Link: http://hdl.handle.net/11104/0312548File Download Size Commentary Version Access UGN_0534325.pdf 0 1.5 MB Publisher’s postprint require - 8.0506329 - ÚGN 2020 RIV CH eng J - Journal Article
Sysala, Stanislav - Blaheta, Radim - Kolcun, Alexej - Ščučka, Jiří - Souček, Kamil - Pan, P.
Computation of Composite Strengths by Limit Analysis.
Key Engineering Materials. Roč. 810, July 2019 (2019), s. 137-142. ISSN 1662-9795
R&D Projects: GA MŠMT LQ1602
Institutional support: RVO:68145535
Keywords : composite materials * compressive strength * failure * limit analysis * CT based FEM
OECD category: Applied mathematics
Method of publishing: Limited access
https://www.scientific.net/KEM.810.137
Permanent Link: http://hdl.handle.net/11104/0297604File Download Size Commentary Version Access UGN_0506329.pdf 0 5.3 MB Other require - 9.0504440 - ÚGN 2020 RIV US eng J - Journal Article
Haslinger, Jaroslav - Repin, S. - Sysala, Stanislav
Inf–sup conditions on convex cones and applications to limit load analysis.
Mathematics and Mechanics of Solids. Roč. 24, č. 10 (2019), s. 3331-3353. ISSN 1081-2865. E-ISSN 1741-3028
R&D Projects: GA MŠMT LQ1602
Institutional support: RVO:68145535
Keywords : inf–sup conditions on convex cones * computable majorants of inf–sup constants * perfect plasticity * limit load analysis * failure of structures * finite element method
OECD category: Applied mathematics
Impact factor: 2.040, year: 2019
Method of publishing: Limited access
https://journals.sagepub.com/doi/full/10.1177/1081286519843969
Permanent Link: http://hdl.handle.net/11104/0296073File Download Size Commentary Version Access UGN_0504440.pdf 7 1.6 MB Publisher’s postprint require - 10.0504439 - ÚGN 2020 RIV US eng J - Journal Article
Čermák, Martin - Sysala, Stanislav - Valdman, Jan
Efficient and flexible MATLAB implementation of 2D and 3D elastoplastic problems.
Applied Mathematics and Computation. Roč. 355, August 2019 (2019), s. 595-614. ISSN 0096-3003. E-ISSN 1873-5649
R&D Projects: GA MŠMT LQ1602
Institutional support: RVO:68145535 ; RVO:67985556
Keywords : MATLAB code vectorization * elastoplasticity * finite element method * tangential stiffness matrix * semismooth Newton method
OECD category: Applied mathematics; Applied mathematics (UTIA-B)
Impact factor: 3.472, year: 2019
Method of publishing: Limited access
https://www.sciencedirect.com/science/article/pii/S0096300319301584
Permanent Link: http://hdl.handle.net/11104/0296072File Download Size Commentary Version Access UGN_0504439.pdf 11 2.2 MB Other require