Numeric simulation for structure’s damage identification of space truss

2007, Volume 2, Issue 4

Abstract

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Frontiers of Mechanical Engineering >> 2007, Volume 2, Issue 4 doi: 10.1007/s11465-007-0072-0

Numeric simulation for structure’s damage identification of space truss

School of Civil Engineering, Dalian University of Technology, Dalian 116023, China;

Available online: 2007-12-05

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Abstract

Damage detection by using the changes of dynamic parameters is a conventional damage diagnosis method, however, some indices are not sensitive enough to the most structural damages. In this study, the analytical data of displacement modes of truss structure are obtained by using the finite element analysis sof—ANSYS. The mode analysis technique for the axial strain change of any stick is used to detect the steel trusses with different damages. The analytical results show that the damage location and degree of the truss stick can be effectively diagnosed by means of the axial strain change.

Keywords

analysis sof—ANSYS ; conventional ; displacement ; element analysis ; different

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