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Volume 28 Issue 9
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LIU Jingbo, GU Yin, DU Yixin. Consistent viscous-spring artificial boundaries and viscous-spring boundary elements[J]. Chinese Journal of Geotechnical Engineering, 2006, 28(9): 1070-1075.
Citation: LIU Jingbo, GU Yin, DU Yixin. Consistent viscous-spring artificial boundaries and viscous-spring boundary elements[J]. Chinese Journal of Geotechnical Engineering, 2006, 28(9): 1070-1075.
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Consistent viscous-spring artificial boundaries and viscous-spring boundary elements

  • Department of Civil Engineering Tsinghua University Beijing 100084 China

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  • Published Date: September 14, 2006
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  • The concept of the consistent viscous-spring artificial boundaries and viscous-spring boundary elements was proposed.The stiffness matrix and damp matrix of the 2D consistent artificial boundaries were deduced.The equivalent viscous-spring artificial boundary elements were developed by comparing the matrix of the general finite element and the consistent viscous-spring artificial boundaries.This method was applied to the uniform and layered half space problems.It was shown that the precision of viscous-spring boundary elements was the same as that of lumped viscous-spring artificial boundaries.The viscous-spring boundary elements were efficient and could be applied simply.
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