一种改进的模型缩聚方法

杨秋伟; 刘济科

doi:10.6052/1000-0992-2005-174

杨秋伟, 刘济科. 一种改进的模型缩聚方法[J]. 力学与实践, 2006, 28(2). DOI: 10.6052/1000-0992-2005-174

引用本文:

杨秋伟, 刘济科. 一种改进的模型缩聚方法[J]. 力学与实践, 2006, 28(2). DOI: 10.6052/1000-0992-2005-174

& strXing &, . AN IMPROVED METHOD FOR STRUCTURAL FINITE ELEMENT MODAL REDUCTION[J]. MECHANICS IN ENGINEERING, 2006, 28(2). DOI: 10.6052/1000-0992-2005-174

Citation:

& strXing &, . AN IMPROVED METHOD FOR STRUCTURAL FINITE ELEMENT MODAL REDUCTION[J]. MECHANICS IN ENGINEERING, 2006, 28(2). DOI: 10.6052/1000-0992-2005-174

一种改进的模型缩聚方法

AN IMPROVED METHOD FOR STRUCTURAL FINITE ELEMENT MODAL REDUCTION

& strXing &,

摘要

摘要: 提出了一种改进的模型缩聚方法. 针对Guyan法缩聚技术的不足之处作出改进，推导了相关公式. 以平面桁架结构为算例，比较了改进方法与Guyan方法的模态计算结果. 结果表明，改进的方法比Guyan方法提高了精度.

Abstract: An improved method for structural finite element modalreduction is presented. The disadvantage of Guyan method is demonstrated andan improvement is proposed. A numerical simulation for a plane trussstructure is carried out. Results show that the proposed method is accurate.

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