نتایج جستجو برای: decoupled scaled boundary finite element
تعداد نتایج: 555214 فیلتر نتایج به سال:
A boundary element/finite difference analysis of subsidence phenomenon due to underground structures
Analysis of the stresses, displacements, and horizontal strains of the ground subsidence due to underground excavation in rocks can be accomplished by means of a hybridized higher order indirect boundary element/finite difference (BE/FD) formulation. A semi-infinite displacement discontinuity field is discretized (numerically) using the cubic displacement discontinuity elements (i.e. each highe...
The hexahedral mesh (hex mesh) is usually preferred to the tetrahedral mesh (tet mesh) in finite element methods for numerical simulation. In finite element analysis, a valid hex mesh requires that the scaled Jacobian value at each mesh vertex is larger than 0. However, the hex mesh produced by lots of prevailing hex mesh generation methods cannot be guaranteed to be a valid hex mesh. In this p...
The scaled boundary finite element method(SBFEM) is a semi-analysis method, combing the advantages of method and method. However, in solving quadruple corner-cut ridged elliptical(QCRE) waveguide, traditional SBFEM employ Lagrange polynomials as basis functions which leads to curved boundaries cannot be exactly represented continuity order across low. In this paper, non-uniform rational B-splin...
Abstract A numerically efficient, semi‐analytical solution of the Reynolds equation for hydrodynamic journal bearings is developed based on Scaled Boundary Finite Element Method. The pressure field discretized along circumferential coordinate lubrication gap, while an analytical formulation used in axial direction. system inhomogeneous ordinary differential equations obtained, which solved unde...
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