Search results
- 1.0585983 - ÚTAM 2025 RIV CZ eng C - Conference Paper (international conference)
Macháček, Michael - Hračov, Stanislav
Galloping of insulated bundled overhead line - nonlinear numerical analysis in time domain.
Engineering mechanics 2024. Book of full texts. Brno: Brno University of Technology, 2024 - (Fuis, V.; Hájek, P.), s. 190-193. ISBN 978-80-214-6235-9. ISSN 1805-8248.
[Engineering mechanics 2024 /30./. Milovy (CZ), 14.05.2024-16.05.2024]
R&D Projects: GA ČR(CZ) GA24-13061S
Institutional support: RVO:68378297
Keywords : aerial bundled conductors * wind effects * galloping * limit cycle oscillation
OECD category: Civil engineering
Permanent Link: https://hdl.handle.net/11104/0353608 - 2.0585982 - ÚTAM 2025 RIV CZ eng C - Conference Paper (international conference)
Ledvinková, Blanka - Hračov, Stanislav - Macháček, Michael
LES simulations of airflow around rectangle with side ratio 2:1 and their comparison with experiments.
Engineering mechanics 2024. Book of full texts. Brno: Brno University of Technology, 2024 - (Fuis, V.; Hájek, P.), s. 182-185. ISBN 978-80-214-6235-9. ISSN 1805-8248.
[Engineering mechanics 2024 /30./. Milovy (CZ), 14.05.2024-16.05.2024]
R&D Projects: GA ČR(CZ) GA24-13061S
Institutional support: RVO:68378297
Keywords : rectangle 2:1 * wind tunnel * LES simulation * aerodynamic characteristics
OECD category: Civil engineering
Permanent Link: https://hdl.handle.net/11104/0353606 - 3.0585979 - ÚTAM 2025 RIV CZ eng C - Conference Paper (international conference)
Hračov, Stanislav - Macháček, Michael
Galloping of insulated bundled overhead line simplified analysis.
Engineering mechanics 2024. Book of full texts. Brno: Brno University of Technology, 2024 - (Fuis, V.; Hájek, P.), s. 126-129. ISBN 978-80-214-6235-9. ISSN 1805-8248.
[Engineering mechanics 2024 /30./. Milovy (CZ), 14.05.2024-16.05.2024]
R&D Projects: GA ČR(CZ) GA24-13061S
Institutional support: RVO:68378297
Keywords : aerial bundled cable * wind effects * galloping * limit cycle oscillation
OECD category: Civil engineering
Permanent Link: https://hdl.handle.net/11104/0353605 - 4.0557019 - ÚTAM 2023 RIV CZ eng C - Conference Paper (international conference)
Ledvinková, Blanka - Hračov, Stanislav - Macháček, Michael
Determination of aerodynamic coefficients for air flow around U-profiles with different flange porosities.
Engineering mechanics 2022. Book of full texts. Prague: Institute of Theoretical and Applied Mechanics of the Czech Academy of Sciences, 2022 - (Fischer, C.; Náprstek, J.), s. 237-240. ISBN 978-80-86246-48-2. ISSN 1805-8248. E-ISSN 1805-8256.
[International Conference Engineering mechanics 2022. Milovy (CZ), 09.05.2022-12.05.2022]
R&D Projects: GA ČR(CZ) GA19-21817S
Institutional support: RVO:68378297
Keywords : U-shaped beams * porosity * wind tunnel * RANS simulation * k-ω SST model
OECD category: Civil engineering
https://www.engmech.cz/im/proceedings/show_p/2022/237
Permanent Link: http://hdl.handle.net/11104/0331331File Download Size Commentary Version Access 0557019_2022_Ledvinkova_et_al_Determination_of_aerodynamic_coefficients_for_air_flow_around_U-profiles_with_different_flange_porosities.pdf 1 1.2 MB Publisher’s postprint open-access - 5.0557017 - ÚTAM 2023 RIV CZ eng C - Conference Paper (international conference)
Hračov, Stanislav - Macháček, Michael
Aeroelastic instability of differently porous U-profiles in crosswind direction.
Engineering mechanics 2022. Book of full texts. Prague: Institute of Theoretical and Applied Mechanics of the Czech Academy of Sciences, 2022 - (Fischer, C.; Náprstek, J.), s. 153-156. ISBN 978-80-86246-48-2. ISSN 1805-8248. E-ISSN 1805-8256.
[International Conference Engineering mechanics 2022. Milovy (CZ), 09.05.2022-12.05.2022]
R&D Projects: GA ČR(CZ) GA19-21817S
Institutional support: RVO:68378297
Keywords : aeroelastic instability * galloping * vortex shedding * asynchronous quenching * U profile
OECD category: Civil engineering
https://www.engmech.cz/im/proceedings/show_p/2022/153
Permanent Link: http://hdl.handle.net/11104/0331332File Download Size Commentary Version Access 0557017_2022_Hracov_Machacek_Aeroelastic_instability_of_differently_porous_U-profiles_in_crosswind_direction.pdf 3 2.5 MB Publisher’s postprint open-access - 6.0556256 - ÚTAM 2023 RIV CH eng C - Conference Paper (international conference)
Hračov, Stanislav - Macháček, Michael
Experimental investigation of galloping susceptibility of U beams with different flange porosity.
Lecture Notes in Civil Engineering. Vol. 224. Cham: Springer, 2023 - (Wu, Z.; Nagayama, T.; Dang, J.; Astroza, R.), s. 183-193. Lecture Notes in Civil Engineering. ISBN 978-3-030-93235-0. ISSN 2366-2557.
[International conference on experimental vibration analysis for civil engineering structures. EVACES /9./. Tokyo (JP), 17.09.2021-20.09.2021]
R&D Projects: GA ČR(CZ) GA19-21817S
Institutional support: RVO:68378297
Keywords : galloping instability * U-beams * aerodynamic coefficients * wind tunnel testing * porosity
OECD category: Civil engineering
https://doi.org/10.1007/978-3-030-93236-7_17
Permanent Link: http://hdl.handle.net/11104/0330547 - 7.0547580 - ÚTAM 2022 RIV CZ eng C - Conference Paper (international conference)
Hračov, Stanislav - Macháček, Michael
Aerodynamic wind tunnel testing of U-beams.
Computational mechanics 2021. Proceedings of computational mechanics 2021. Plzeň: University of West Bohemia, 2021 - (Adámek, V.; Jonášová, A.; Plánička, S.; Zajíček, M.), s. 85-88. ISBN 978-80-261-1059-0.
[Computational Mechanics 2021 /36./. Srní (CZ), 08.11.2021-10.11.2021]
R&D Projects: GA ČR(CZ) GA19-21817S
Institutional support: RVO:68378297
Keywords : wind tunnel testing * aerodynamic coefficients * galloping
OECD category: Civil engineering
https://www.kme.zcu.cz/compmech/info_sborniky.php
Permanent Link: http://hdl.handle.net/11104/0323843 - 8.0547570 - ÚTAM 2022 RIV CZ eng C - Conference Paper (international conference)
Ledvinková, Blanka - Hračov, Stanislav - Macháček, Michael
Numerical study of the air flow around the U-profile.
Computational mechanics 2021. Proceedings of computational mechanics 2021. Plzeň: University of West Bohemia, 2021 - (Adámek, V.; Jonášová, A.; Plánička, S.; Zajíček, M.), s. 138-141. ISBN 978-80-261-1059-0.
[Computational Mechanics 2021 /36./. Srní (CZ), 08.11.2021-10.11.2021]
R&D Projects: GA ČR(CZ) GA19-21817S
Institutional support: RVO:68378297
Keywords : bluff-body aerodynamics * URANS simulation * transversal galloping
OECD category: Civil engineering
https://www.kme.zcu.cz/compmech/info_sborniky.php
Permanent Link: http://hdl.handle.net/11104/0323778 - 9.0534317 - ÚTAM 2021 RIV GR eng C - Conference Paper (international conference)
Hračov, Stanislav - Macháček, Michael
Susceptibility of U-profiles with different geometry and porosity to galloping.
EURODYN 2020. Proceedings of the XI International conference on structural dynamics. Athens: National Technical University of Athens (NTUA), 2020 - (Papadrakakis, M.; Fragiadakis, M.; Papadimitriou, C.), s. 621-630. ISBN 978-618-85072-0-3.
[EURODYN 2020 /11./. Athény (GR), 23.11.2020-26.11.2020]
R&D Projects: GA ČR(CZ) GA19-21817S
Institutional support: RVO:68378297
Keywords : U-profile * aeroelastic instability * galloping * wind tunnel test * rectangular cylinder
OECD category: Civil engineering
https://generalconferencefiles.s3-eu-west-1.amazonaws.com/eurodyn_2020_ebook_procedings_vol1.pdf
Permanent Link: http://hdl.handle.net/11104/0312920 - 10.0524865 - ÚTAM 2021 RIV US eng C - Conference Paper (international conference)
Fischer, Cyril - Hračov, Stanislav - Náprstek, Jiří
Numerical analysis of stochastic and mechanical interactions of natural modes including effects of vibration absorbers.
AIP Conference Proceedings. Vol. 2239. Melville (NY): AIP Publishing, 2020 - (Cecot, W.; Kozień, M.; Lisowski, W.; Nalepka, K.; Pamin, J.; Reczek, W.; Skoczeń, B.), č. článku 020011. ISBN 978-0-7354-1998-8. ISSN 0094-243X.
[Polish congress of mechanics and the 23rd International conference on computer methods in mechanics /4./. Krakow (PL), 08.09.2019-12.09.2019]
R&D Projects: GA ČR(CZ) GA19-21817S
Institutional support: RVO:68378297
Keywords : passive vibration absorbers * aeroelastic structures * stochastic resonance
OECD category: Civil engineering
https://doi.org/10.1063/5.0007827
Permanent Link: http://hdl.handle.net/11104/0309111