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Meshfree consolidation analysis of saturated porous media with stabilized conforming nodal integration formulation
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  • Meshfree consolidation analysis of saturated porous media with stabilized conforming nodal integration formulation
  • Meshfree consolidation analysis of saturated porous media with stabilized conforming nodal integration formulation
저자명
Wang. Dongdong,Xie. Pinkang,Lu. Hongsheng
간행물명
Interaction and multiscale mechanics
권/호정보
2013년|6권 2호|pp.107-125 (19 pages)
발행정보
테크노프레스
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

A strain smoothing meshfree formulation with stabilized conforming nodal integration is presented for modeling the consolidation process in saturated porous media. In the present method, nodal strain smoothing is consistently introduced into the meshfree approximation of strain and pore pressure gradient variables associated with the saturated porous media. Meanwhile, in order to achieve a consistent numerical implementation, a smoothing approximation of the meshfree shape function within a nodal representative domain is also proposed in the stiffness construction. The resulting discrete system of equations is all expressed in smoothed nodal measures that are very efficient for numerical evaluation. Subsequently the space-time fully discrete equations are further established by the generalized trapezoidal rule for time integration. The effectiveness of the proposed meshfree consolidation analysis method is systematically illustrated by several benchmark problems.