Title: Virtual Flexibility Matrix on Structural Crack Damage Detection
Abstract:Because of too small values(from 10~(-5) to 10~(-6))of flexibility matrix,it is prone to influencing from noise.Flexibility matrix elements show whole structural information,its maximal changes may no...Because of too small values(from 10~(-5) to 10~(-6))of flexibility matrix,it is prone to influencing from noise.Flexibility matrix elements show whole structural information,its maximal changes may not coincide with damage location.Hence damage detection by flexibility matrix still exists a good many limitation.Virtual flexibility matrix is built from modal test.The relation equation between virtual flexibility matrix and local stiffness change is completed by virtual forces.Damage location and severity are simultaneously obtained by generalized strain changes.It showed that the method is feasible through dynamic model test of simply supported beam.Read More
Publication Year: 2006
Publication Date: 2006-01-01
Language: en
Type: article
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