| 赵明皞,刘元杰,程昌钧.Reissner型板表面裂纹应力强度因子的线弹簧-不连续位移边界积分方程解法[J].计算力学学报,1996,13(1): |
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| Reissner型板表面裂纹应力强度因子的线弹簧-不连续位移边界积分方程解法 |
| The method of analysis of the stress intensity factors of surface cracks in Reissner''''s plates by line-spring model and the displacement discontinuity boundary integral equation |
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| DOI：10.7511/jslx19961010 |
| 中文关键词: 应力强度因子/边界积分方程 |
| 英文关键词:stress intensity factor/boundary integral equation,boundary element method,Reissner's plate,Line-Spring model |
| 基金项目:国家自然科学基金，机械工业技术发展基金 |
| 赵明皞 刘元杰 程昌钧 |
机械工业部郑州机械研究所!郑州，450052(赵明皞，刘元杰)
，兰州大学力学系!兰州，730000(程昌钧)
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| 中文摘要: |
| 本文由Reissner型板的不连续位移基本解，根据Betti互换定理，导出了Reissuer型板的不连续位移边界积分方程；结合平面问题的不连续位移边界积分方程─—边界元方法和线弹簧模型，给出了Rrissner型板表面裂纹应力强度因子的线弹簧-不连续位移边界积分方程解法。 |
| 英文摘要: |
| By use of the displacement discontinuity fundamental solutions of Reissner's plate, the Displacement Discontinuity Boundary Integral Equation(DDBIE)is derived based on the Betti's reciprocal theorem. Making use of the DDBE and that of plane problems and the Line-Spring model,a method of analysis of the stress intensity factors of surface cracks in Reissner's plates is given. |
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