頁籤選單縮合
題 名 | Revisit of Two Classical Elasticity Problems by Using the Null-Field Boundary Integral Equations |
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作 者 | Chen, J. T.; Lee, Y. T.; Chou, K. H.; | 書刊名 | Journal of Mechanics |
卷 期 | 26:3 2010.09[民99.09] |
頁 次 | 頁393-401 |
分類號 | 332.8 |
關鍵詞 | Degenerate kernel; Null-field boundary integral equation; Stress concentration factor; Lamé problem; |
語 文 | 英文(English) |
英文摘要 | In this paper, the two classical elasticity problems, Lamé problem and stress concentration factor, are revisited by using the null-field boundary integral equation (BIE). The null-field boundary integral formulation is utilized in conjunction with degenerate kernels and Fourier series. To fully utilize the circular geometry, the fundamental solutions and the boundary densities are expanded by using degenerate kernels and Fourier series, respectively. In the two classical problems of elasticity, the null-field BIE is employed to derive the exact solutions. The Kelvin solution is first separated to degenerate kernel in this paper. After employing the null-field BIE, not only the stress but also the displacement field are obtained at the same time. In a similar way, Lamé problem is solved without any difficulty. |
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