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| Nonsingularity boundary integral equationsfor elastic plane problems |
| Revised:December 15, 1999 |
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| DOI：10.7511/jslx20013065 |
| KeyWord:elasticity problems,boundary element,nonsingula boundary integral equation |
| ZHANG Yao-ming 1 SUN Huan-chun 2 |
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| Abstract: |
| The conventional boundary integral equation (BIE), which is generally expressed in terms of singular integrals in the sense of the Cauchy Principal Value(CPV), and the derivative BIE, which is similarly expressed in terms of hypersingular integral in the sense of the Hadamard Finite-Parts(HFP), both can be written as nonsingular integral equations. A systematic approach for circumventing numerical solution is established by using three order Lagrange interpolation collocation point methods. This approach leads to that calculating of CPV and HFP integral is avoided in the BEM. |