Search results
- 1.0572334 - ÚT 2024 RIV NL eng J - Journal Article
Dvořák, Radim - Kolman, Radek - Mračko, Michal - Kopačka, Ján - Fíla, T. - Jiroušek, O. - Falta, J. - Neuhäuserová, M. - Rada, V. - Adámek, V. - González, J. A.
Energy-conserving interface dynamics with asynchronous direct time integration employing arbitrary time steps.
Computer Methods in Applied Mechanics and Engineering. Roč. 413, August (2023), č. článku 116110. ISSN 0045-7825. E-ISSN 1879-2138
R&D Projects: GA ČR(CZ) GF22-00863K
Grant - others:AV ČR(CZ) EstAV-21-02
Program: Bilaterální spolupráce
Institutional support: RVO:61388998
Keywords : finite element method * direct time integration * domain decomposition * localized lagrange multipliers * asynchronous integrator multi time step
OECD category: Applied mechanics
Impact factor: 7.2, year: 2022
Method of publishing: Limited access
https://www.sciencedirect.com/science/article/pii/S0045782523002347?via%3Dihub
Permanent Link: https://hdl.handle.net/11104/0344124 - 2.0547791 - ÚT 2022 RIV GB eng J - Journal Article
Šulc, Petr - Kopačka, Ján - Pešek, Luděk - Bula, Vítězslav
Hyperelastic proportional damping for numerical non-conservative dynamic models of hard rubbers under large deformations.
International Journal of Non-Linear Mechanics. Roč. 137, December (2021), č. článku 103823. ISSN 0020-7462. E-ISSN 1878-5638
R&D Projects: GA TA ČR(CZ) TF06000020
Institutional support: RVO:61388998
Keywords : proportional damping * hard rubbers * large deformation * harmonic excitation * hyperelasticity
OECD category: Applied mechanics
Impact factor: 3.336, year: 2021
Method of publishing: Limited access
https://www.sciencedirect.com/science/article/pii/S0020746221001578?via%3Dihub
Permanent Link: http://hdl.handle.net/11104/0324053 - 3.0543483 - ÚT 2022 RIV GB eng J - Journal Article
González, J. A. - Kopačka, Ján - Kolman, Radek - Park, K.C.
Partitioned formulation of contact-impact problems with stabilized contact constraints and reciprocal mass matrices.
International Journal for Numerical Methods in Engineering. Roč. 122, č. 17 (2021), s. 4609-4636. ISSN 0029-5981. E-ISSN 1097-0207
R&D Projects: GA ČR(CZ) GA19-14237S; GA MŠMT(CZ) EF15_003/0000493
Institutional support: RVO:61388998
Keywords : bipenalty contact * explicit time integration * inverse mass matrix * localized Lagrange multipliers * partitioned analysis
OECD category: Applied mechanics
Impact factor: 3.021, year: 2021
Method of publishing: Limited access
https://onlinelibrary.wiley.com/doi/10.1002/nme.6739
Permanent Link: http://hdl.handle.net/11104/0323258 - 4.0542069 - ÚT 2022 RIV NL eng J - Journal Article
Kolman, Radek - Kopačka, Ján - González, J. A. - Cho, S.S. - Park, K.C.
Bi-penalty stabilized technique with predictor-corrector time scheme for contact-impact problems of elastic bars.
Mathematics and Computers in Simulation. Roč. 189, November (2021), s. 305-324. ISSN 0378-4754. E-ISSN 1872-7166
R&D Projects: GA ČR(CZ) GC19-02288J; GA MŠMT(CZ) EF15_003/0000493
Institutional support: RVO:61388998
Keywords : finite element method * explicit integration * contact-impact problems * bi-penalty method * stability analysis
OECD category: Applied mechanics
Impact factor: 3.601, year: 2021
Method of publishing: Limited access
https://www.sciencedirect.com/science/article/pii/S0378475421000987?via%3Dihub
Permanent Link: http://hdl.handle.net/11104/0323395 - 5.0502781 - ÚT 2020 RIV GB eng J - Journal Article
Gonzáles, J.A. - Kopačka, Ján - Kolman, Radek - Cho, S.S. - Park, K.C.
Inverse mass matrix for isogeometric explicit transient analysis via the method of localized Lagrange multipliers.
International Journal for Numerical Methods in Engineering. Roč. 117, č. 9 (2019), s. 939-966. ISSN 0029-5981. E-ISSN 1097-0207
R&D Projects: GA MŠMT(CZ) EF15_003/0000493; GA ČR(CZ) GA17-22615S; GA ČR GA17-12925S; GA ČR(CZ) GA16-03823S
Institutional support: RVO:61388998
Keywords : Bezier extraction * explicit transient analysis * free vibration * inverse mass matrix * isogeometric analysis * localized Lagrange multipliers
OECD category: Applied mechanics
Impact factor: 2.866, year: 2019
Method of publishing: Limited access
https://onlinelibrary.wiley.com/doi/abs/10.1002/nme.5986
Permanent Link: http://hdl.handle.net/11104/0298220 - 6.0494232 - ÚT 2019 RIV GB eng J - Journal Article
Kopačka, Ján - Gabriel, Dušan - Kolman, Radek - Plešek, Jiří
A Large Deformation Frictionless Contact Treatment in NURBS-based Isogeometric Analysis.
Computational and Experimental Methods in Structures. Roč. 11, č. 2018 (2018), s. 109-144. ISSN 2044-9283
R&D Projects: GA MŠMT(CZ) EF15_003/0000493; GA ČR(CZ) GA16-03823S
Institutional support: RVO:61388998
Keywords : frictionless contact * NURBS * isogeometric analysis
OECD category: Applied mechanics
https://www.worldscientific.com/worldscibooks/10.1142/q0139
Permanent Link: http://hdl.handle.net/11104/0289906 - 7.0488825 - ÚT 2019 RIV GB eng J - Journal Article
Kopačka, Ján - Tkachuk, A. - Gabriel, Dušan - Kolman, Radek - Bischoff, M. - Plešek, Jiří
On stability and reflection-transmission analysis of the bipenalty method in contact-impact problems: A one-dimensional, homogeneous case study.
International Journal for Numerical Methods in Engineering. Roč. 113, č. 10 (2018), s. 1607-1629. ISSN 0029-5981. E-ISSN 1097-0207
R&D Projects: GA MŠMT(CZ) EF15_003/0000493; GA ČR(CZ) GA17-22615S; GA ČR GA17-12925S; GA ČR(CZ) GA16-03823S
Grant - others:AV ČR(CZ) DAAD-16-12
Program: Bilaterální spolupráce
Institutional support: RVO:61388998
Keywords : bipenalty method * explicit time integration * finite element method * penalty method * reflection-transmission analysis * stability analysis
OECD category: Applied mechanics
Impact factor: 2.746, year: 2018
http://onlinelibrary.wiley.com/doi/10.1002/nme.5712/full
Permanent Link: http://hdl.handle.net/11104/0283554 - 8.0476157 - ÚT 2018 RIV DE eng J - Journal Article
Sorokin, S. - Kolman, Radek - Kopačka, Ján
The boundary integral equations method for analysis of high-frequency vibrations of an elastic layer.
Archive of Applied Mechanics. Roč. 87, č. 4 (2017), s. 737-750. ISSN 0939-1533. E-ISSN 1432-0681
R&D Projects: GA ČR(CZ) GA16-03823S; GA MŠMT(CZ) EF15_003/0000493
Institutional support: RVO:61388998
Keywords : an elastic layer * symmetric and skew-symmetric waves * the Green’s matrix * boundary integral equations * eigen frequencies
OECD category: Acoustics
Impact factor: 1.467, year: 2017
https://link.springer.com/article/10.1007/s00419-016-1220-y
Permanent Link: http://hdl.handle.net/11104/0275305 - 9.0473856 - ÚT 2018 RIV US eng J - Journal Article
Kolman, Radek - Okrouhlík, Miloslav - Berezovski, A. - Gabriel, Dušan - Kopačka, Ján - Plešek, Jiří
B-spline based finite element method in one-dimensional discontinuous elastic wave propagation.
Applied Mathematical Modelling. Roč. 46, June (2017), s. 382-395. ISSN 0307-904X. E-ISSN 1872-8480
R&D Projects: GA ČR(CZ) GAP101/12/2315; GA MŠMT(CZ) EF15_003/0000493
Grant - others:AV ČR(CZ) DAAD-16-12; AV ČR(CZ) ETA-15-03
Program: Bilaterální spolupráce; Bilaterální spolupráce
Institutional support: RVO:61388998
Keywords : discontinuous elastic wave propagation * B-spline finite element method * isogeometric analysis * implicit and explicit time integration * dispersion * spurious oscillations
OECD category: Acoustics
Impact factor: 2.617, year: 2017
http://www.sciencedirect.com/science/article/pii/S0307904X17300835
Permanent Link: http://hdl.handle.net/11104/0272861 - 10.0451288 - ÚT 2017 RIV GB eng J - Journal Article
Kopačka, Ján - Gabriel, Dušan - Plešek, Jiří - Ulbin, M.
Assessment of methods for computing the closest point projection, penetration, and gap functions in contact searching problems.
International Journal for Numerical Methods in Engineering. Roč. 105, č. 11 (2016), s. 803-833. ISSN 0029-5981. E-ISSN 1097-0207
R&D Projects: GA ČR(CZ) GAP101/12/2315; GA MŠMT(CZ) ME10114
Institutional support: RVO:61388998
Keywords : closest point projection * local contact search * quadratic elements * Newtons methods * geometric iteration methods * simplex method
Subject RIV: JC - Computer Hardware ; Software
Impact factor: 2.162, year: 2016
http://onlinelibrary.wiley.com/doi/10.1002/nme.4994/abstract
Permanent Link: http://hdl.handle.net/11104/0258641