DYNAMIC BEHAVIOUR OF A CRACKED SOLDERED JOINT |
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| Authors: | P DINEVAD GROSS T RANGELOV |
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| Institution: | a Institute of Mechanics, Bulgarian Academy of Sciences, Acad. G. Bonchev Street, bl. 4, 1113, Sofia, Bulgariab Institute of Mechanics, Darmstadt University of Technology, 64289, Darmstadt, Germanyc Institute of Mathematics and Informatics, Bulgarian Academy of Sciences, 1113, Sofia, Bulgaria |
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| Abstract: | The two-dimensional “in-plane” time-harmonic elastodynamic problem for a multi-layered cracked soldered joint system is studied. This problem is solved by using a hybrid of both displacement and hyper-singular traction boundary integral equation method. The proposed method directly accounts for the effect of the outer boundary of a finite multi-layered body and the interaction between the internal and interface cracks. The open fracture model is used to present the interface crack. Numerical results are shown and discussed to reveal the effect of the existence and sizes of cracks, the crack interaction, the debonding effect, the influence of the wave frequency and the type of the material combination on the crack-tip fracture parameters and the displacement scattered far field. |
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