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本帖最后由 Mings 于 2012-2-16 18:11 编辑
& M7 j' ~( @ |' e* kyuxuan51 发表于 2012-2-15 11:56 * V7 G- J, G: w _/ X7 C7 j
KMOR求解矩阵算法是sigrity自创的么?怎么网上找不到它的介绍。按理说这种求解矩阵的解的方法不一样,达到 ... ' @& h/ n4 Z3 O
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KMOR是Krylov Model Order Reduction的简称,下面是一个简单的介绍。
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& y* I/ M8 p# P' d0 _Summary of KMOR Algorithm
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Solutions in the frequency domain can be expressed as a linear combination of all eigen modes
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' m2 a( n6 h! D" IContributions of eigen modes with resonance frequencies much higher than the maximum frequency are negligible,only need low frequqncy modes
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KMOR adds eigen modes from low frequencies until solution convergence
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l2 O! [5 M. \) _2 U9 HKMOR is one order of magnitude faster than the commonly used interpolating frequency sweep
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% f1 w7 l- c H8 D# B* VUnlike the curve fitting based interpolating sweep, the physics based KMOR does not generate false resonances nor miss real resonances
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3DFEM目前支持的port为lump port |
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