今天写有关板壳理论的第一节,有关各向同性薄板的小挠度弯曲的模型建立。也就是基于Kirchhoff计算假定的应用弹性力学的薄板问题的建模。 特别地,这次会从真实结果出发,反推应用弹性力学的简化建模是否合理。 一、从真实结果出发,深入解读Kirchhoff计算假定:
> Kirchhoff-Love 壳的等几何分析 打印 转格式 1032阅读文档大小:320.74K6页shangreg上传于2016-05-14格式:PDF 基于等几何实体壳单元的层合壳纤维曲线优化 热度: 人工智能基础(第2版) x2d;高济 x2d;ai x2d;4 x2d;本 热度: 等几何薄壳平衡路径跟踪加速方法研究 ...
论文利用等几何分析研究了基于Kirchhoff-Love理论的薄壳的静态问题.等几何分析采用等参思想,将精确描述几何形状的NURBS基函数同时作为场变量的插值函数,保证了在分析和网格优化过程中模型的几何精确性,并可以轻易地构造任意高阶连续的单元.该方法具有很高的数值精度.计算结果表明,在等几何分析中,NURBS单元的阶次越高,...
The Kirchhoff-Love theory also known as the classical plate theory (CPT) is based on three basic assumptions. First, the plate is assumed to be inextensible in the transverse direction ɛzz=0 so w=woxy. Then, it is assumed that the transverse shear deformations are negligible ɛxz=0,...
网络释义 1. 克希霍夫拉夫 ...ied Mechanics (16) 钱伟长,关于克希霍夫拉夫(Kirchhoff Love)假设在古典小挠度壳体理论中的近似性理论,清华大学材料 力… www.docin.com|基于 1 个网页
The Kirchhoff–Love shell theory is recasted in the frame of the tangential differential calculus (TDC) where differential operators on surfaces are formulated based on global, three-dimensional coordinates. As a consequence, there is no need for a parametrization of the shell geometry implying curvi...
Non-uniform rational B-spline (NURBS)-based IGA has been extensively used for developing Kirchhoff-Love shell elements, as NURBS-based IGA can provide high continuity between and within elements. However, NURBS-based IGA has some limitations; such as, analysis of a complex geometry might need ...
必应词典为您提供kirchhoff-love的释义,网络释义: 勒夫;基本假设;
Study on fracture of hyperelastic Kirchhoff-Love plates and shells by phase field method 在线阅读 下载PDF 引用 收藏 分享 摘要 板壳这类薄壁结构在诸多工程领域得到广泛应用,预测其断裂行为对工程结构的完整性设计和强度评估具有重要意义。超弹性板壳断裂行为的数值仿真需同时考虑复杂的运动学描述、超弹性本构...