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The analysis of beams on layered poroelastic soils with anisotropic permeability and compressible pore fluid

机译:具有各向异性渗透率和可压缩孔隙流体的层状多孔弹性土壤上的梁分析

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摘要

The stiffness matrices of the Euler-Bernoulli/Timoshenko beams are established based on the finite element method (FEM), while the solution of layered poroelastic soils with anisotropic permeability and compressible pore fluid is obtained with the analytical layer-element method. Then by introducing the conditions of the displacement harmony between the beams and foundation, we can establish the final stiffness matrices of foundation beams. Three examples are conducted to compare the results of the proposed theory with those from the literatures or the ABAQUS modeling in order to prove the accuracy of the theory. Furthermore, several other numerical examples are carried out to analyze the effects of the property of the beam-soil system and the shear deformation and rotary inertia on the interaction problems.
机译:基于有限元法(FEM)建立了Euler-Bernoulli / Timoshenko梁的刚度矩阵,而解析层单元法则获得了具有各向异性渗透率和可压缩孔隙流体的层状多孔弹性土的解。然后通过引入梁与地基之间位移协调的条件,我们可以建立基础梁的最终刚度矩阵。进行了三个例子来比较所提出的理论与文献或ABAQUS建模的结果,以证明该理论的准确性。此外,还通过其他几个数值示例来分析梁-土系统的特性以及剪切变形和旋转惯性对相互作用问题的影响。

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