Search results
- 1.0571882 - ÚGN 2024 RIV CZ eng C - Conference Paper (international conference)
Malík, Josef - Kolcun, Alexej
Determination of the initial stress tensor from deformation of underground opening-theoretical background and applications.
Programs and Algorithms of Numerical Mathematics 21 : Proceedings of Seminar. Praha: Institute of Mathematics CAS Prague, 2023 - (Chleboun, J.; Kůs, P.; Papež, J.; Rozložník, M.; Segeth, K.; Šístek, J.), s. 107-121. ISBN 978-80-85823-73-8.
[Programs and Algorithms of Numerical Mathematics /21./. Jablonec nad Nisou (CZ), 19.06.2022-24.06.2022]
R&D Projects: GA ČR(CZ) GA19-11441S
EU Projects: European Commission(XE) 847593 - EURAD
Institutional support: RVO:68145535
Keywords : initial stress tensor * first boundary value problem of the theory of elasticity * condition number of matrices
OECD category: Applied mathematics
https://dml.cz/bitstream/handle/10338.dmlcz/703193/PANM_21-2022-1_14.pdf
Permanent Link: https://hdl.handle.net/11104/0342778File Download Size Commentary Version Access UGN_0571882.pdf 4 383.6 KB Other open-access - 2.0542831 - ÚGN 2022 RIV CZ eng C - Conference Paper (international conference)
Kolcun, Alexej - Sysala, Stanislav
RTIN-based strategies for local mesh refinement.
Programs and Algorithms of Numerical Mathematics 20. Praha: Matematický ústav AV ČR, v. v. i., 2021 - (Chleboun, J.; Kůs, P.; Přikryl, P.; Rozložník, M.; Segeth, K.; Šístek, J.), s. 59-68. ISBN 978-80-85823-71-4.
[Programs and Algorithms of Numerical Mathematics /20./. Hejnice (CZ), 21.06.2020-26.06.2020]
R&D Projects: GA ČR(CZ) GA19-11441S
Institutional support: RVO:68145535
Keywords : mesh refinement * longest-edge bisection * right-triangulated irregular network * balanced quadrant tree * homomorphic transformation
OECD category: Applied mathematics
https://dml.cz/handle/10338.dmlcz/703101
Permanent Link: http://hdl.handle.net/11104/0320177File Download Size Commentary Version Access UGN_0542831.pdf 1 824.1 KB Other require - 3.0483048 - ÚGN 2019 RIV CZ eng C - Conference Paper (international conference)
Blaheta, Radim - Jakl, Ondřej - Hrtus, Rostislav - Kolcun, Alexej - Kohut, Roman - Starý, Jiří - Turan, E.
Large-scale geosimulations using GEM and trilions.
Supercomputing in science and engineering. Ostrava: IT4Innovations National Supercomputing Center, 2017 - (Pešatová, K.; Poláková, B.; Cawley, J.), s. 100-103. ISBN 978-80-248-4037-6.
[Supercomputing in science and engineering. Ostrava (CZ), 15.11.2017-16.11.2017]
R&D Projects: GA MŠMT ED1.1.00/02.0070
Institutional support: RVO:68145535
Keywords : singular symmetric positive semidefinite problems * special problems of geotechnics * PCG method
OECD category: Applied mathematics
https://www.it4i.cz/wp-content/uploads/2017/04/Supercomputing-in-Science-and-Engineering-reduce-preview.pdf
Permanent Link: http://hdl.handle.net/11104/0278473 - 4.0462327 - ÚGN 2017 RIV GB eng C - Conference Paper (international conference)
Hastíková, Alice - Kolcun, Alexej - Staš, Lubomír - Koníček, Petr
In situ stress determination from excavation-induced stress by the compact conical-ended borehole overcoring method.
Rock Mechanics and Rock Engineering: From the Past to the Future. London: CRC Press, Taylor and Francis Group, 2016 - (Ulusay, R.; Aydan, Ö.; Gercek, A.; Hindistan, H.; Tuncay, E.), s. 1203-1206. Volume 2. ISBN 978-1-138-03265-1.
[EUROCK 2016 - 2016 ISRM International Symposium. Cappadocia (TR), 29.08.2016-31.08.2016]
R&D Projects: GA MŠMT(CZ) LO1406; GA MŠMT ED2.1.00/03.0082
Institutional support: RVO:68145535
Keywords : in situ stress determination * excavation-induced stress * compact conical-ended borehole overcoring method (CCBO instrument)
OECD category: Mining and mineral processing
Permanent Link: http://hdl.handle.net/11104/0261800File Download Size Commentary Version Access UGN_0462327.pdf 1 521.8 KB Publisher’s postprint require - 5.0456000 - ÚGN 2016 RIV PL eng C - Conference Paper (international conference)
Blaheta, Radim - Kolcun, Alexej - Jakl, Ondřej - Souček, Kamil - Starý, Jiří - Georgiev, J.
HPC in Computational Micromechanics of Composite Materials.
NESUS 2015 - Proceedings of the Second International Workshop on Sustainable Ultrascale Computing Systems. Madrid: Computer Architecture,Communications, and Systems Group (ARCOS), 2015 - (Carretero, J.; Blas, J.; Wyrzykowski, R.; Jeannot, E.), s. 143-146. ISBN 978-84-608-2581-4.
[NESUS 2015- International Workshop on Sustainable Ultrascale Computing Systems /2./. Krakov (PL), 10.09.2015-11.09.2015]
R&D Projects: GA MŠMT ED1.1.00/02.0070
Institutional support: RVO:68145535
Keywords : computational micromechanics * HPC * composite materials
Subject RIV: BA - General Mathematics
https://www.dropbox.com/s/31ksrifeph9gen7/second-nesus-workshop_krakow2015.pdf
Permanent Link: http://hdl.handle.net/11104/0256603File Download Size Commentary Version Access UGN_0456000.pdf 1 66.3 KB Publisher’s postprint open-access - 6.0454421 - ÚGN 2016 RIV SK slo C - Conference Paper (international conference)
Kolcun, Alexej
Triangulácia parametrických plôch so zachovaním srupňa diagonálnych kriviek.
[Mutual conversions between triangular and quadrilateral meshes with the same degree of both diagonal curves.]
Proceedings of Slovak - Czech conference on geometry and graphics. Vol. 24. Žilina: Slovak Society for Geometry and Graphics, Czech Society for Geometry and Graphics of the Union of Czech Mathematicians and Physicists, 2015 - (Velichová, D.; Lávička, M.; Szarková, D.), s. 155-160. ISBN 978-80-227-4479-9.
[SCG´2015 - Slovak - Czech Conference on Geometry and Graphics /35./. Žilina (SK), 14.09.2015-18.09.2015]
Institutional support: RVO:68145535
Keywords : parametric modelling * S-patch * BS-patch
Subject RIV: IN - Informatics, Computer Science
Permanent Link: http://hdl.handle.net/11104/0255099File Download Size Commentary Version Access UGN_0454421.pdf 0 540.3 KB Publisher’s postprint open-access - 7.0398676 - ÚGN 2014 RIV CZ slo C - Conference Paper (international conference)
Kolcun, Alexej
Spracovanie CT obrazu geokompozitov v prostredí MATLAB.
[Processing of the CT image of geocomposites in MATLAB.]
Sborník příspěvků 21. ročníku konference. Praha: Ústav chemických technologií v Praze, 2013 - (Byron, P.), s. 35-38. HUMUSOFT. ISBN 978-80-7080-863-4. ISSN 2336-1662.
[Technical Computing Prague 2013. Praha (CZ), 13.11.2013]
R&D Projects: GA MŠMT ED1.1.00/02.0070
Institutional support: RVO:68145535
Keywords : CT image processing * geocomposites * MATLAB
Subject RIV: IN - Informatics, Computer Science
http://listserv.vscht.cz/mailman/listinfo/CSMUG
Permanent Link: http://hdl.handle.net/11104/0226155File Download Size Commentary Version Access UGN_0398676.pdf 1 590.6 KB Author´s preprint open-access - 8.0396830 - ÚGN 2014 RIV GB eng C - Conference Paper (international conference)
Blaheta, Radim - Kohut, Roman - Kolcun, Alexej - Souček, Kamil - Staš, Lubomír
Micromechanics of geocomposites: CT images and FEM simulations.
EUROCK 2013 - Rock Mechanics for Resources, Energy and Environment. London: CRC Press Taylor & Francis Group, Balkema, 2013 - (Kwaśniewski, M.; Łydżba, D.), s. 399-404. ISBN 978-1-138-00080-3.
[EUROCK 2013 - Rock Mechanics for Resources, Energy and Environment. Wroclaw (PL), 23.09.2013-26.09.2013]
R&D Projects: GA MŠMT ED1.1.00/02.0070
Grant - others:GA ČR(CZ) GA13-18652S
Program: GA
Institutional support: RVO:68145535
Keywords : micromechanics of geocomposites * numerical upscaling * X-ray computed tomography * FEM simulations
Subject RIV: JI - Composite Materials
Permanent Link: http://hdl.handle.net/11104/0224545File Download Size Commentary Version Access UGN_0396830.pdf 0 366.9 KB Publisher’s postprint require - 9.0394630 - ÚGN 2014 RIV CZ eng C - Conference Paper (international conference)
Kolcun, Alexej
(Semi) regular tetrahedral tilings.
WSCG 2013 Communication Papers Proceedings. Plzeň: Union Agency, 2013 - (Skala, V.), s. 145-150. ISBN 978-80-86943-75-6.
[WSCG 2013 - International Conference in Central Europe on Computer Graphics, Visualization and Computer Vision /21./. Plzeň (CZ), 24.06.2013-27.06.2013]
Institutional support: RVO:68145535
Keywords : tetrahedron * regular tessellation * voxel grid * conform decomposition
Subject RIV: BA - General Mathematics
http://wscg.zcu.cz/WSCG2013/!_2013-WSCG-Communications-proceedings.pdf
Permanent Link: http://hdl.handle.net/11104/0222849File Download Size Commentary Version Access UGN_0394630.pdf 2 122.8 KB Author´s preprint open-access - 10.0371466 - ÚGN 2012 RIV CZ eng C - Conference Paper (international conference)
Kolcun, Alexej - Bocek, J.
Shading of Bézier Patches.
GraVisMa 2009 Proceedings. Vol. 1. Plzeň: Západočeská univerzita v Plzni, Vaclav Skala - UNION Agency, 2009 - (Skala, V.; Hildebrad, D.), s. 126-129. ISBN 978-80-86943-92-3.
[GraVisMa 2009. Plzeň (CZ), 02.09.2009-05.09.2009]
Institutional research plan: CEZ:AV0Z30860518
Keywords : Beziér patch * shading * normal vector surface
Subject RIV: BA - General Mathematics
http://gravisma.zcu.cz/GraVisMa-2009/
Permanent Link: http://hdl.handle.net/11104/0204975