automatic mesh generation for machine tool dynamic analysis 机床整机静动态分析有限元网格的自动生成
automatic mesh generation scheme for plane by isoparametric coordinates and its programming 二维有限元网格的自适应剖分及程序实现
Fully automatic meshing, with optional fine-grained user control for specific components 全自动啮合,可选细粒度的用户控制,为具体的组成部分。
The programmes are realized with borland c + + builder . the computational solution shows that the automatic mesh system and the programmer developed are correct 用borlandc++builder编程,得出正确的结果,很好的验证了网格自动划分和数值计算的正确性。
The successful application of computer simulation techniques in sheet metal forming rises a urgent requirement for fully automatic mesh generation algorithm cae仿真技术在汽车覆盖件冲压成型工艺中越来越多的应用,对快速的、自动化的有限元网格生成算法提出了强烈的要求。
First, automatic mesh generation approach based on the fuzzy inference for fe analysis is put forward, by which expert experiences on mesh generation can be fully used and reasonable meshes can be generated rapidly 首先,提出了基于模糊推理的电磁场有限元网格自动剖分法,可充分利用现有知识和专家经验,快速生成疏密合理的离散网格。
Based on the manifold element method, zienkienwicz and zhu's error estimation is adopted . a fine mesh is got by automatic mesh generation . soil body is nonlinear, and incremental elastoplastic can simulate it well 根据zienkienwicz和zhu提出的应力平滑误差原理计算流形单元误差,应用自行编制的平面三节点网格生成器,进行流形单元的网格细剖和优化。
automatic mesh generation can save time, reduce error, enhance efficiency, and improve the computation reliability . so searching for high speed, efficient and automatic mesh generation methods is of great importance 网格的全自动生成技术不仅可以节省时间,而且可以减少差错,为计算带来高效性和可靠性,因此研究网格的快速、高效的全自动生成算法就显得尤为重要。
Automatic mesh generation can save time, reduce error, enhance efficiency, and improve the computation reliability . so searching for high speed, efficient and automatic mesh generation methods is of great importance 网格的全自动生成技术不仅可以节省时间,而且可以减少差错,为计算带来高效性和可靠性,因此研究网格的快速、高效的全自动生成算法就显得尤为重要。
The method has three features : 1 ) the dimensions used in commercial cad system are selected to be the design variables of shape optimization . 2 ) a mapping between geometry objects and finite element objects such " as meshes, structure properties is set up to assist in defining finite element models on geometries . 3 ) an automatic mesh generator and a method by which structure properties is assigned from geometry objects to finite element objects automatically are used to update finite element models during the optimization process 通过将几何模型的设计参数作为有限元模型的形状控制参数,实现了有限元模型的参数定义;通过建立几何模型与有限元网格及模型物理描述之间的关联,实现了基于几何造型的有限元模型定义;利用基于几何模型的全自动网格生成方法及物理描述分派方法,实现了有限元模型的自动生成及应参数变化的自动更新;并以参数化造型软件mdt为支撑平台,开发了相应的参数化有限元建模程序。