期刊文献+

三维全六面体网格自适应加密技术

3D automated adaptive refinement of all-hexahedral element meshes
下载PDF
导出
摘要 工程数值模拟中有限元三维六面体网格自适应剖分技术是目前研究的热点之一.模型网格的生成与其几何拓扑特征和物理特性有直接关系,为更真实地反映几何形体的外部特征,提高有限元分析的精度和效率,在曲率变化较大和有应力集中的局部区域应对网格加密剖分.文章提出了一种改进的栅格法-零厚度表层法,能够自动生成全六面体基础网格,研究给出了一套新的简单有效的模板,实现了三维全六面体网格的局部协调加密,并给出了相应的数据结构和算法的实现步骤.实例表明,该算法实用性强,效果良好.
机构地区 山东大学
出处 《塑性工程学报》 CAS CSCD 北大核心 2005年第z1期195-199,共5页 Journal of Plasticity Engineering
基金 国家自然科学基金资助项目(50375087).
  • 相关文献

参考文献9

  • 1[1]E Steven, Benzley, Ernest Perry,et al.A comparison of all-Hexahedral and all-tetrahedral finite element meshes for elastic and elastic-plastic analysis. Proc. 4thinternational Meshing Roundtable, 1995,179~191
  • 2[2]R Schneiders.A grid-based algorithm for the generation of hexahedral element meshes[J]. Engineering with Computers, 1996, 12,168~177
  • 3[3]W A Cook,W R Oakes.Mapping methods for generating three-dimensional meshes.Computers in Mechanical Engineering, 1982, 8,67~72
  • 4[4]Mingwu Lai, et al.A multiple source and target sweeping method for generating all-hexahedral finite element meshes. During Sweeping. Proc. 5th international Meshing Roundtable, 1996,217~228
  • 5[5]T S Li, R M Mckeag, C G Armstrong.Hexahedral meshing using midpoint subdivision and integer programming. Computer Methods in Applied Mechanics and Engineering, 1995, 124,171~193
  • 6[6]R Schneiders.Octree-based hexahedral mesh generation, Int. Journal of Comp. Geom. & Applications, 2000, 10(4):383~398
  • 7[7]Yoshitaka Wada,Hiroshi Okuda.Effective ad- aptation technique for hexahedral mesh. concurrency and computation : practice and experience, 2002, 14:451~463
  • 8[8]K F Tchon, J Dompierre,R Camarero.Automated refinement of conformal quadrilateral and hexahedral meshes, Int. J. Numer. Meth. Engng, Mar,2004,59,1539~1562
  • 9[10]F Weiler, R Schindler, R Schneiders.Automatic geometry-adaptive genera- tion of quadrilateral and hexahedral element meshes for the FEM.5th International Conference on Numerical Grid Generation in Computational Field Simulations, April 1996,689~697

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部