AN EFFICIENT ITERATION ALGORITHM OF MIXED BOUNDARY/FINITE ELEMENT METHOD AND APPLICATION TO FREE TORSIONAL VIBRATION ANALYSIS OF BODIES OF REVOLUTION

被引：0
|
作者：
王秀喜
陈锋
钱江
机构：
来源：
AppliedMathematicsandMechanics(EnglishEdition) | 1990年 / 12期
基金：
中国国家自然科学基金;
关键词：
mixed BEM/FEM formulation; iteration; free vibration; bodies of revolution;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
In this paper,the general formulation of a new proposed iteration algorithm of mixedBEM/FEM for eigenvalue problems of elastodynamics is described.Approximatefundamental solutions of elastodynamics are adopted in the normal mixed BEM/FEMequations.The accuracy of solutions is progressively improved by the iteration procedure.Not only could the awkwar dness of non-algebraic eigenvalue equations be avoided but alsothe accuracy of numerical solutions is almost independent of the interior meshing.All thesegive many advantages in numerical calculation.The algorithm is applied to free torsionalvibration analysis of bodies of revolution.A few cases are studied.All of the numericalresults are very good.
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页码：1187 / 1194
页数：8
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