23 April 2014
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Dual reciprocity BEM for free vibration analysis of anistropic solids

Author(s): M. Kögl and L. Gaul

Abstract:
In this paper, a Dual Reciprocity Boundary Element formulation for the so- lution of free vibration problems of anisotropic continua is described.

The problems encountered with the fundamental and particular solutions are explained and some questions regarding their choice and implementation are answered.

A three-dimensional numerical example is given by which the influence of the internal collocation points on the representation of the mass matrix and the occurrence of complex-valued eigenfrequencies is in- vestigated.

The results that are obtained for the eigenfrequencies and mode shapes are compared to FE computations and excellent agreement is ob- served.

1 Introduction:
Increasing use of anisotropic materials in engineering applications requires efficient and accurate numerical methods for the s...

Pages: 10
Size: 877 kb
Paper DOI: 10.2495/BE010261

 

 

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Boundary Elements XXIII

Boundary Elements XXIII

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