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- Title
Structure-dependent difference equations for time integration.
- Authors
Chang, Shuenn-Yih
- Abstract
A structure-dependent explicit method with enhanced stability properties is proposed in this study. In general, the method offers unconditional stability for structural systems except those with a particular instantaneous stiffness hardening behavior. In addition, it is second-order accurate and displays no overshooting in high frequency responses. Numerical experiments reveal that the proposed method saves a substantial amount of computational effort in solving inertial problems where only the low frequency responses are of interest, when compared to a general second-order accurate integration method.
- Subjects
DIFFERENCE equations; TIME integration scheme; STABILITY theory; STRUCTURAL analysis (Engineering); PROBLEM solving; NUMERICAL solutions to difference equations; COMPARATIVE studies
- Publication
Earthquake Engineering & Engineering Vibration, 2012, Vol 11, Issue 4, p485
- ISSN
1671-3664
- Publication type
Article
- DOI
10.1007/s11803-012-0136-y