三维弹性边界元法中1/r奇异性与面力不连续的处理
THE TREATMENT OF 1/r SINGULARITY AND DISCONTINUOUS TRACTIONS IN 3-D ELASTIC BOUNDARY ELEMENT METHOD
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摘要: 文献[1]在二维弹塑性体积分中消除1/r奇异性做了很有益的工作,本文将其引入三维弹性面积分的1/r奇异性处理中,当经过上节所述的内容处理后,对求[G]e中的1/r奇异性,便可运用文献[1]的方法进行处理。Abstract: For treatment of common discontinuous tractions in 3 D elastic boundary element method,a simple and practical approach is proposed in this paper.The problem of the 1/r integral singularity and its treatment are discussed and analyzed as well.The numerical results show that the appprach in this paper is satisfactory.
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