广义逆法修正结构有限元动力模型

CORRECTION OF FINITE ELEMENT DYNAMIC MODELS USING GENERALIZED INVERSE TECHNIQUE

  • 摘要: 本文利用求非完备振型集φn×m(mn)的Moore-Penrose广义逆,导出一组关于结构有限元动力模型KAMA的修正公式。算例表明:本文的修正方法可明显改善理论分析模型的计算精度。

     

    Abstract: In this parper, a modified procedure for correction of finite element dynamic models of structures is presented by using generalized inverse techniques. Numerical examples show the presented procedure may effectively improve the analysis model.

     

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