搜索结果: 1-7 共查到“数学 FEM”相关记录7条 . 查询时间(0.049 秒)
We consider geometric biomembranes governed by an L
2
-gradient flow for bending energy subject to area and volume constraints (Helfrich model). We give
a concise derivation of a novel vector...
Error Analysis of a Dual-parametric Bi-quadratic FEM in Cavitation Computation in Elasticity
error analysis dual-parametric bi-quadratic finite element
2014/12/5
The orientation preserving conditions and approximation errors of a dual-parametric bi-quadratic finite element method for the computation of both
radially symmetric and general nonsymmetric cavity s...
On the Coupled of NBEM and FEM for an Anisotropic Quasilinear Problem in Elongated Domains
Quasilinear Elliptic Equation Elliptic Artificial Boundary Natural Integral Equation
2013/1/30
In this paper, based on the Kirchhoff transformation, the coupling of natural boundary element method and finite element method are discussed for solving exterior anisotropic quasilinear problems with...
通过夹具布局和夹紧力大小的优化可以提高薄壁件加工精度. 建立了夹具布局和变夹紧力分层优化模型. 首先, 以工件加工变形最小化和变形最均匀化为目标函数, 对夹具布局进行优化设计; 其次, 基于优化的夹具布局对变夹紧力进行设计. 采用有限元法计算工件的加工变形, 加工变形求解时综合考虑了接触力、摩擦力、切削力、夹紧力和切屑的影响. 采用遗传算法求解优化模型, 获得优化的夹具布局和变夹紧力. 通过实例...
In this paper, we are concerned with a non-overlapping domain
decomposition method (DDM) for exterior transmission problems in the
plane. Based on the natural boundary integral operator, we combine
...
The Coupling of Natural BEM and FEM for Three-Dimensional Exterior Problem with a Prolate Spherical Artificial Boundary
Natural boundary reduction Prolate spheroid Finite element Exterior harmonic problem The coupled method
2012/8/1
In this paper, based on the natural boundary reduction method, we discuss a coupled natural BEM and FEM for three-dimensional exterior problems. We express the arti痗ial boundary condition on the prola...
Domain Decomposition with Non-matching Grids for Coupling of FEM and Natural BEM
domain decomposition non-matching grids natural boundary reduction multiplier space error estimate D-N alternating algorithm convergence
2012/7/31
In this paper, we introduce a domain decomposition method with non-matching grids for solving Dirichlet exterior boundary problems by coupling of 痭ite element method (FEM) and natural boundary element...