| 有初始几何缺陷的壳体弹塑性大变形分析 |
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| 引用本文： | 刘锋,梅占馨.有初始几何缺陷的壳体弹塑性大变形分析[J].应用力学学报,1995,12(4):136-139. |
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| 作者姓名： | 刘锋 梅占馨 |
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| 作者单位： | 青岛化工学院，西安冶金建筑学院 |
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| 基金项目： | 山东省自然科学基金青年基金 |
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| 摘 要： | 在等温小变形弹塑性内时本构方程偏量形式的基础上，导出了适用于大位移、小应变分析的弹塑性内时本构方程。并导出了带有初始几何缺陷的非线性弹塑性问题的有限元方程。文中给出的算例表明本方法是可行有效的。
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| 关 键 词： | 初始缺陷 内蕴时间 弹塑性 |
Elastoplastic Large Deformation Analysis ofShell with Initial Geometric Imperfections |
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| Li Lijuan,Liu Feng,Mei Zhanxin,Wan Hong.Elastoplastic Large Deformation Analysis ofShell with Initial Geometric Imperfections[J].Chinese Journal of Applied Mechanics,1995,12(4):136-139. |
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| Authors: | Li Lijuan Liu Feng Mei Zhanxin Wan Hong |
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| Institution: | Li Lijuan;Liu Feng;Mei Zhanxin;Wan Hong(Qingdao Institute of Chemical Technology)(Xian Institute of Metallurgy and Construction Engineering) |
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| Abstract: | On the basis of elastoplastic constitutive equations of intrinsic time applying to isotemperature andsmall deformations,this paper has deduced constitutive equations suitable for the case of large dis-placements but small strains.The paper also presents the finite element equations of elastoplastic largedeformation problems with initial geometric imperfections.An example is provided at the end of pa-per. |
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| Keywords: | initial imperfections intrinsic time elastoplasticity |
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