STABILIZED SOLUTION OF STRUCTURAL DYNAMICS IN WAVELET SPACES
Publish Year: 1390
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
SEE06_065
تاریخ نمایه سازی: 16 اردیبهشت 1390
Abstract:
A stabilized wavelet-based scheme is used to simulate vibration of structures. The method is a kind of projection scheme, where operators are projected to wavelet space. Derivatives with respect to time are directly projected to wavelet space; then the whole solution is captured in thewavelet space. Consequently the solution in time is attained by an inverse transform. Using a fewer number of initial sampling points in the simulation lead to a larger time steps in modeling. This feature will increase the speed of computation. In fact operators in the wavelet space aresparse and narrow banded. This means a cost effective computation, which is desirable in simulation, especially in the multi-degrees of freedom systems (a kind of semi modal analysis). Finally effectiveness and accuracy of the proposed method are demonstrated by some examples, including single degree of freedom systems.
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Authors
m Emrani Nooshabadi
School of civil Engineering, College of Engineering, The University of Tehran, P.O. Box ۱۱۳۶۵-۴۵۶۳,Tehran, Iran
a Noorzad
School of civil Engineering, College of Engineering, The University of Tehran, P.O. Box ۳۶۵-۴۵۶۳,Tehran, Iran
h Yousefi
School of civil Engineering, College of Engineering, The University of Tehran, P.O. Box ۳۶۵-۴۵۶۳,Tehran, Iran
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