流形Trefftz直接法

Chinese Journal of Computational Mechanics(2008)

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Abstract
基于数值流形方法,结合广义节点的概念,构造了一类节点位移用任意阶多项式展开的流形Trefftz直接法。这种方法融合了数值流形方法和Trefftz直接法的优点。计算结果表明,流形Trefftz直接法与Trefftz直接法以及其他计算方法相比有较高的精度。
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Key words
numerical manifold,Trefftz direct method,Trefftz direct method based on manifold concept(MTDM)
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