| 结构地基相互作用的FE-BE-IBE耦合模型 |
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| 引用本文： | 金峰,张楚汉,王光纶.结构地基相互作用的FE-BE-IBE耦合模型[J].清华大学学报(自然科学版),1993(2). |
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| 作者姓名： | 金峰 张楚汉 王光纶 |
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| 作者单位： | 水利水电工程系
(金峰，张楚汉)，水利水电工程系(王光纶) |
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| 摘 要： | 提出了一种新的频域耦合模型——有限元一边界元－无限边界元（ＦＥ－ＢＥ－ＩＢＥ） 耦合模型，能充分考虑近场土的非均匀性与远场辐射条件，适合于研究复杂地基中地震波 的传播及结构与地基的动力相互作用。它采用无限边界元模拟自由地表，提高了求解的 效率。通过与前人工作的比较，验证了本模型的精确性与经济性。
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| 关 键 词： | 地基 数学模型 耦合模型 有限元 边界元 无限边界元 |
A Coupling FE-BE-IBE model for structure-foundation interactions |
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| Jin Feng,Zhang Chuhan,Wang Quanglun.A Coupling FE-BE-IBE model for structure-foundation interactions[J].Journal of Tsinghua University(Science and Technology),1993(2). |
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| Authors: | Jin Feng Zhang Chuhan Wang Quanglun |
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| Institution: | Department of Hydraulic Engineering |
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| Abstract: | A new coupling finite elements (FE) model with boundary elements (BE) and infinite boundary elements (IBE) in the frequency domain is presented. It has the advantage of being suitable for considering nonhomogeneous materials in the near region and the radiation condition in the far field. Thus, it is appropriate for studying the wave propagation and structure-foundation interaction problems in complicated soil strata with the application of IBE to the simulation of traction-free surface, the model provides a high efficiency. Comparisons are made with previous results which verified its accuracy and economy in computation. |
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| Keywords: | soil: mathematical model coupling model finite elements boundary elements infinite boundary elements |
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