A local time stepping for discontinuous wave propagation in a heterogeneous bar

0497959 - ÚT 2019 RIV CZ eng A - Abstract
Kolman, Radek - Cho, S.S. - Park, K.C. - Gonzáles, J.A. - Berezovski, A. - Hora, Petr - Adámek, V.
A local time stepping for discontinuous wave propagation in a heterogeneous bar.
Advanced Modelling of Wave Propagation in Solids. Praha: Institute of Thermomechanics, Czech Academy of Sciences, 2018 - (Kolman, R.; Berezovski, A.; Kruisová, A.). s. 73-74. ISBN 978-80-87012-67-3.
[International Conference on Advanced Modelling of Wave Propagation in Solids /2./. 17.09.2018-21.09.2018, Praha]
R&D Projects: GA ČR(CZ) GA17-22615S; GA MŠMT(CZ) EF15_003/0000493
Institutional support: RVO:61388998
Keywords : wave propagation * heterogeneous and functionally graded bars * explicit time integration * finite element method * local time stepping * spurious oscillations
OECD category: Applied mechanics
http://wavemodelling2018.it.cas.cz

A local time stepping process in explicit finite element analysis for elastic wave propagation in heterogeneous media is presented and tested.
Based on the test, the nominated scheme is suitable for accurate modelling of wave propagation in graded media.
Permanent Link: http://hdl.handle.net/11104/0291170