衝撃を受けるはりの境界条件の同定 : Laplace変換法を併用した境界要素法による解析法

概要

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This paper describes an inverse method to identify arbitrary boundary conditions of a beam subjected to impulsive load using the boundary element method (BEM) Generally the boundary conditions are expressed as the linear combinations with the boundary values. In present formula, the boundary conditions are simplified with two compliances about deflection and rotation, which can be obtained using a Laplace-transformed BEM with additional data from measurement of two arbitrary points on the beam. In order to confirm the validity of this procedure, deflection and bending moment are predicted with boundary conditions identified by inverse calculation, and compared with those measured directly, and it is found that the boundary conditions of beams can be identified well.
社団法人日本機械学会の論文
1996-01-25