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Comparison of Several Step-by-step Integration Methods for Simutating the Trangent Response

Memoirs of the Faculty of Engineering, Yamaguchi University Volume 28 Issue 2 Page 189-194
published_at 1978
KJ00000156198.pdf
[fulltext] 463 KB
Title
過渡応答解析における逐次積分法の比較について
Comparison of Several Step-by-step Integration Methods for Simutating the Trangent Response
Creators Kudo Yozo
Creators Nakagawa Koji
Source Identifiers
A lot of integration methods are currently used for the integration of motion Mu+Cu+Ku=F. Some investigators have concluded that particular method is superior for a certain type of problems. However, a procedure which can be used to compare the merits of these methods in practical application for complex structural system is lacking. In the study of colliding of solids or blasting, the slope of the stress wave front is extremely steep. The simulation of the front slope by several steps makes the accuracy sometimes not good. In this study, three groups of integration method were compared for the step loading in order to know the accuracy of these methods for steep loading. These groups are 1. Central difference method in time, 2. Direct step by step integration method and 3. Finite element method in time. For the numerical example, the finite element bar model was employed.
Subjects
土木工学 ( Other)
Languages jpn
Resource Type departmental bulletin paper
Publishers 山口大学工学部
Date Issued 1978
File Version Version of Record
Access Rights open access
Relations
[ISSN]0372-7661
[NCID]AN00244228
Schools 工学部