| 冲击载荷下弹-粘塑性加筋板双重非线性动力响应的有限元分析 |
| |
| 引用本文： | 郑际嘉,吴梵.冲击载荷下弹-粘塑性加筋板双重非线性动力响应的有限元分析[J].华中科技大学学报(自然科学版),1987(2). |
| |
| 作者姓名： | 郑际嘉 吴梵 |
| |
| 作者单位： | 华中工学院船舶与海洋工程系
(郑际嘉)，华中工学院船舶与海洋工程系(吴梵) |
| |
| 摘 要： | 本文研究了应变率效应对加筋板在瞬态冲击载荷作用下的影响,文中采用弹-粘塑性材料模型进行塑性动力分析,导出了加筋板结构弹-粘塑性大变形的单元刚度矩阵,并将平衡迭代用于求解弹-粘塑性大变形动力平衡方程中,导出了迭代公式.本文还将这些理论编成了通用计算机程序,计算了若干实例,得出了较好结果.
|
| 关 键 词： | 弹塑性 粘塑性 冲击载荷 动力响应 应变率 有限元法 加筋板 双重非线性 |
A Double Nonlinear Dynamic Analysis of Elastic-Viscoplastic Stiffened Plate under Impact Loading by FEM |
| |
| Zheng Jijia Wu Fan.A Double Nonlinear Dynamic Analysis of Elastic-Viscoplastic Stiffened Plate under Impact Loading by FEM[J].JOURNAL OF HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY.NATURE SCIENCE,1987(2). |
| |
| Authors: | Zheng Jijia Wu Fan |
| |
| Institution: | Zheng Jijia Wu Fan |
| |
| Abstract: | The effect of strain rate on the doubl?nonlinear dynamic response of stiffened plate under impact loading is.studied by the finite element method. A model made of elastic-viscoplastic material is used. The element tangential stiffness matrix of elastic-viscoplastic stiffened plate taking large deflection into account is derived. Equilibrium itetation is used for solving the dynamic equation with the iteration formulae derived. A computer program written in FORTRAN is available and several numerical examples are presented and the results compared with those from other sources. |
| |
| Keywords: | Elastic-plastic Viscoplasticity Impulse load Dynamic response Strain rate Finite element method Stiffened plate Double nonlinearity |
| 本文献已被 CNKI 等数据库收录！ |
