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本帖最后由 Mings 于 2012-2-16 18:11 编辑 ! m8 K, s" F& y* k+ T+ k
yuxuan51 发表于 2012-2-15 11:56 ; G$ @1 H1 S- v. n
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 ... 3 E" X+ i+ }+ s8 C5 w* h
- `1 W$ {6 _# w' FKMOR是Krylov Model Order Reduction的简称,下面是一个简单的介绍。
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% `/ I/ J6 c" T- @& ~9 J* SSummary of KMOR Algorithm
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( j$ G J% k% USolutions in the frequency domain can be expressed as a linear combination of all eigen modes; D" O# `6 J* \- ]" F
" Z5 d, S# y- @9 M# c, w' VContributions 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/ ^' h0 Y" e& W7 t
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KMOR is one order of magnitude faster than the commonly used interpolating frequency sweep" f# `9 _7 ^) [8 R
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Unlike the curve fitting based interpolating sweep, the physics based KMOR does not generate false resonances nor miss real resonances
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) d/ S% M( r! h7 J0 N# p# Y7 ~3DFEM目前支持的port为lump port |
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