Search results
- 1.0556741 - ÚGN 2023 RIV CZ eng J - Journal Article
Malík, Josef - Kolcun, Alexej
Determination of the initial stress tensor from deformation of underground opening in excavation process.
Applications of Mathematics. Roč. 67, č. 3 (2022), s. 297-318. ISSN 0862-7940. E-ISSN 1572-9109
R&D Projects: GA ČR(CZ) GA19-11441S
Institutional support: RVO:68145535
Keywords : initial stress tensor * first boundary value problem of the theory of elasticity * least square method * condition number of matrix * continuous dependence of eigenvalues on matrix elements
OECD category: Applied mathematics
Impact factor: 0.7, year: 2022
Method of publishing: Limited access
https://link.springer.com/content/pdf/10.21136/AM.2021.0266-20.pdf
Permanent Link: http://hdl.handle.net/11104/0330904File Download Size Commentary Version Access UGN_0556741.pdf 1 309.1 KB Other require - 2.0506329 - 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 - 3.0444238 - ÚGN 2016 RIV GB eng J - Journal Article
Blaheta, Radim - Kohut, Roman - Kolcun, Alexej - Souček, Kamil - Staš, Lubomír - Vavro, Leona
Digital image based numerical micromechanics of geocomposites with application to chemical grouting.
International Journal of Rock Mechanics and Mining Sciences. Roč. 77, July 2015 (2015), s. 77-88. ISSN 1365-1609. E-ISSN 1873-4545
R&D Projects: GA ČR(CZ) GA105/09/1830; GA MŠMT ED1.1.00/02.0070
Institutional support: RVO:68145535
Keywords : geocomposites * upscaling * digital CT image based FEM * identification of material parameters
Subject RIV: DB - Geology ; Mineralogy
Impact factor: 2.010, year: 2015
https://www.sciencedirect.com/science/article/pii/S1365160915000623?via%3Dihub
Permanent Link: http://hdl.handle.net/11104/0246805File Download Size Commentary Version Access UGN_0444238_IR.pdf 22 4.4 MB Author’s postprint open-access - 4.0395542 - ÚGN 2014 RIV CN eng J - Journal Article
Blaheta, Radim - Byczanski, Petr - Čermák, M. - Hrtus, Rostislav - Kohut, Roman - Kolcun, Alexej - Malík, Josef - Sysala, Stanislav
Analysis of Äspö Pillar Stability Experiment: Continuous thermo-mechanical model development and calibration.
Journal of Rock Mechanics and Geotechnical Engineering. Roč. 5, č. 2 (2013), s. 124-135. ISSN 1674-7755. E-ISSN 2589-0417
Institutional support: RVO:68145535
Keywords : in situ pillar stability experiment * model calibration by back analysis * continuous mechanics * damage of granite rocks * Finite element method (FEM)
Subject RIV: BA - General Mathematics
http://www.sciencedirect.com/science/article/pii/S1674775513000103
Permanent Link: http://hdl.handle.net/11104/0223576File Download Size Commentary Version Access UGN_0395542.pdf 9 3.3 MB Publisher’s postprint open-access - 5.0183010 - UGN-S 20023062 RIV CZ eng J - Journal Article
Kolcun, Alexej
Nonconformity problem in 3D Grid decomposition.
Journal of WSCG. Roč. 10, č. 1 (2002), s. 249-253. ISSN 1213-6972.
[International Conference in Central Europe on Computer Graphics, Visualization and Computer Vision 2002/10./. Plzeň, 04.02.2002-08.02.2002]
R&D Projects: GA ČR GA105/99/1229; GA ČR GA105/01/1242
Institutional research plan: CEZ:AV0Z3086906
Keywords : structured mesh * decomposition * nonconformity
Subject RIV: BA - General Mathematics
Permanent Link: http://hdl.handle.net/11104/0079524 - 6.0107749 - UGN-S 20043067 RIV CZ cze J - Journal Article
Šimkovičová, Jarmila - Kolcun, Alexej - Staš, Lubomír - Souček, Kamil
Mechanické vlastnosti karbonských hornin a diskontinuit v lineárně pružném modelu.
[Mechanical characteristics of carboniferous rocks and failures in linear model.]
Sborník vědeckých prací Vysoké školy báňské - Technické univerzity Ostrava. Roč. 4, č. 2 (2004), s. 309-314. ISSN 1213-1962.
[Development of the seismology, engineering geophysics and geotechnique/13./. Ostrava, 30.03.2004-01.04.2004]
R&D Projects: GA ČR GA105/01/1242; GA AV ČR KSK3012103
Institutional research plan: CEZ:AV0Z3086906
Keywords : carboniferous rocks * mechanical characteristics
Subject RIV: DB - Geology ; Mineralogy
Permanent Link: http://hdl.handle.net/11104/0014891 - 7.0040982 - ÚGN 2007 RIV NL eng J - Journal Article
Blaheta, Radim - Byczanski, Petr - Jakl, Ondřej - Kohut, Roman - Kolcun, Alexej - Krečmer, Karel - Starý, Jiří
Large scale parallel FEM computations of far/near stress field changes in rocks.
[Rozsáhlé paralelní konečněprvkové výpočty změn blízkých i vzdálených napěťových polí v hornině.]
Future Generation Computer Systems. Roč. 22, č. 4 (2006), s. 449-459. ISSN 0167-739X. E-ISSN 1872-7115
R&D Projects: GA ČR(CZ) GA105/02/0492; GA AV ČR(CZ) 1ET400300415
Institutional research plan: CEZ:AV0Z30860518
Keywords : large scale finite element analysis
Subject RIV: BA - General Mathematics
Impact factor: 0.722, year: 2006
Permanent Link: http://hdl.handle.net/11104/0134582