Dynamic Fracture Analysis of an Interface Crack between Purely Elastic and Piezoelectric Materials.
碩士 === 淡江大學 === 航空太空工程學系碩士班 === 93 === In this study, the transient response of a semi-infinite, interface crack between hexagonal piezoelectric and purly elastic media with the electrode boundary condition is investigated. The useful fundamental solutions are derived and the solutions can be determ...
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| Format: | Others |
| Language: | zh-TW |
| Published: |
2005
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| Online Access: | http://ndltd.ncl.edu.tw/handle/08324656602663828496 |
| Summary: | 碩士 === 淡江大學 === 航空太空工程學系碩士班 === 93 === In this study, the transient response of a semi-infinite, interface crack between hexagonal piezoelectric and purly elastic media with the electrode boundary condition is investigated. The useful fundamental solutions are derived and the solutions can be determined by superposition of the fundamental solutions in the Laplace transform domain. The proposed fundamental problem is the problem of applying exponentially distributed traction (in Laplace transform domain) on the interface crack faces. The Cagniard-de Hoop method of Laplace inversion is used to obtain the transient solution in time domain. Exact transient Full-Field solutions to the problem with uniform loads, and exact transient solutions of intensity factors to the problem with concentrated loads are both derived. Finally, numerical results are evaluated and discussed in detail.
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