有限元网格生成是零件几何定义和有限元分析之间必不可少的步骤。
Mesh generating is a necessary procedure between geometric definition of part and its finite element analysis.
本文根据几何非线性有限元理论,提出张力膜结构初始形态分析的8结点曲面四边形等参单元。
Based on the geometrical nonlinear finite element (GNFE) theory, a curved quadrilateral isoperimetric element with 8 nodes for initial form analysis of tensile membrane structures is presented.
在有限元模拟中,分析了初始几何缺陷对壳体起皱的临界压力和起皱形态的影响。
The effect of the initial geometrical imperfection on the buckling critical pressure and buckling model has been taken into account in the finite element simulation.
橡胶是一种特殊的材料,要实施橡胶制品的有限元分析,就要能综合处理几何非线性、材料非线性以及边界非线性问题。
Rubber is a very unique material, proper analysis of rubber components require handling the problems of geometric nonlinearity, nonlinear boundary conditions, and material nonlinearity.
提出了一种基于立体成像几何特性的动态有限搜索匹配法。
A dynamic limited search matching algorithm based on geometric properties of stereo imaging is developed in this paper.
推导了考虑大应变大位移的几何非线性有限元列式。
The geometric nonlinear finite element formulation is derived, including large strain and large displacement.
进而依据非线性有限元理论推导了该三结点梁单元的几何刚度矩阵的单元切线刚度矩阵;
The three-node beam element tangent stiffness matrix including the geometric stiffness matrix is developed according to the nonlinear finite element theory.
在一致性几何绕射理论基础上,采用等效电流的方法给出了有限锥体在完全极化平面波照射下后向散射场的散射极化矩阵表示式。
Based on the uniform geometrical theory of diffraction, the equivalent current is used to calculate the back scattering field for the finite cone.
基于梁与索的现实构形,分别推导了梁与索的几何非线性有限元方程。
The geometrical nonlinear finite element formulations for both girder and tendon are proposed based on the present girder element.
本文建立了有限几何尺寸板条激光介质的三维温度分布模型。
In this paper, a three-dimensional model for temperature profile in finite laser slabs is presented.
本文研究特征为2的有限域上正交几何中的计数问题,给出了一个计数定理。
In this paper, enumeration problems in the orthogonal geometry over a finite field with characteristic 2 are studied, and an enumeration theorem is proved.
因此有限认识的综合方法,唯有在几何学里才达到它的完满性。
To geometry alone therefore belongs in its perfection the synthetic method of finite cognition.
采用有限元法建立了单热源合成炉和多热源合成炉温度场的有限元几何模型和数值计算模型。
The geometry models and numerical calculation models of temperature field in single-heat and multi-heat sources furnaces are established through finite element method.
研究迷向子群的结构是有限域上典型群几何中的一个重要问题。
To study the structure of isotropy subgroups is an important problem in geometry of classical groups over finite fields.
本文用有限变形理论对人工冻结壁施工的几何非线性和冻土蠕变材料非线性问题进行了非线性数值分析。
This paper applies the theory of limited deformation analysis to the non-linear problem of the geometrician and creeping material for the frozen-wall.
本文建立了有限几何尺寸棒状激光介质瞬态热分布的三维模型。
A three-dimensional model for transient thermal profile in a finite laser rod is presented.
有限元法特别适合于解决复杂几何结构和非均匀媒质的电磁问题。
The finite element method suits specially in the solution of complex geometry structure and the inhomogeneous medium electromagnetic problem.
本文建立了一种新的数值方法——有限体积法进行悬索的大挠度(几何非线性)静力分析和动力响应分析。
In this thesis a new numerical method - the finite volume method is developed to achieve the static and dynamic large-deflection response analysis for suspension cables.
提出了一种基于图像处理技术的沥青混合料二维有限单元分析的几何建模方法。
Based on image processing technology, a method of geometric modeling is presented for two dimensional finite element analysis of asphalt mixture.
动力学不稳定性模型被推广到有限几何形状的加热面,以解释微电子器件尺寸对池内沸腾换热临界热流形成机理的影响。
The hydrodynamic instability model is spread for finite geometries in order to explain effects of size of microelectronic devices on the mechanism of formation of pool boiling critical heat fluxes.
有限的几何图形不仅可以拼出世间万象,其简约的造型还能引发人们天马行空的无限遐想。
The limited contracted geometric figure could not only spell every phenomenon in the world but also confer people a wonderful fantasy.
本文采用有限元法分析考虑前屈曲几何非线性影响的结构稳定性。
This paper provides the structural stability analysis considering geometric nonlinearity on the prebuckling path by the finite element method.
利用微分方程解的几何定性理论,直接得到该方程存在有限振幅的周期波与孤立波解的存在条件。
Conditions for the existence of solutions to periodic and isolated waves of limited amplitude are directly obtained based on qualitative geometric theory for ordinary differential equations.
同时对国土卫星像片的几何配准,运用多项式与有限元法相结合的原理,进行了计算机和光学处理的对比研究。
Moreorer a comparative study of computer image processing and optic processing was done to solve the geometric registration of the image using multinomial and finite element method.
生成反映结构物理特征和几何特征的自适应有限元网格是应用自适应有限单元法的必要环节。
So how to generate adaptive finite element mesh that can reflect physical and geometric characteristics of the structure is a necessary step to apply AFEA.
详细阐述了有限元模型转换相对于几何模型转换的优势,以及其实现方法和途径。
The advantages of finite element model transformation relative to geometry model transformation and the ways realized in finite element model transformation were also expatiated in detail.
详细阐述了有限元模型转换相对于几何模型转换的优势,以及其实现方法和途径。
The advantages of finite element model transformation relative to geometry model transformation and the ways realized in finite element model transformation were also expatiated in detail.
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