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Abstract:
针对无限域波传播问题的频域解析动力刚度关系,提出一种新的连分式逼近来代替频域动力刚度,建立了基于动力刚度连分式的高精度时域人工边界条件.该边界条件能够与有限元法无缝结合,通过引入一定数量的辅助变量,避免频域人工边界条件直接转化到时域内高计算和存储成本的卷积运算.数值算例表明,该边界条件具有较高的计算精度和良好的稳定性.
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地震工程与工程振动
ISSN: 1000-1301
Year: 2015
Issue: 4
Volume: 35
Page: 21-26
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 4
Chinese Cited Count:
30 Days PV: 24
Affiliated Colleges: