On the Selection of the Loads in a Multistep Time Integration Method

Title
On the Selection of the Loads in a Multistep Time Integration Method
Authors
노건우윤성혜장승윤이득희
Keywords
time integration method; extreme loading condition; finite element; numerical impulse; Bathe Method; Newmark method; Euler method; structural dynamics; wave propagation
Issue Date
2015-09
Publisher
Civil-Comp Proceedings
Citation
VOL 109, 1-10
Abstract
In multistep time integration methods, it is crucial to select appropriate loads within time-steps for reliable and accurate finite element solutions. The objective of this study is to find a strategy for optimal usage of the multistep time integration scheme for effective and reliable solutions of a system under any kind of loading. By inspecting the resulting numerical impulse of the scheme, we propose a load selection strategy that significantly improves the solutions for smooth loading, and maintains its superior accuracy and stability characteristics in the case of severe loading.
URI
http://pubs.kist.re.kr/handle/201004/50524
ISSN
17593433
Appears in Collections:
KIST Publication > Conference Paper
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