| 表面承受常静水载荷的谐和弹性半无限体的表面不稳定性 |
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| 引用本文： | 曹光中,徐志洪.表面承受常静水载荷的谐和弹性半无限体的表面不稳定性[J].南京理工大学学报(自然科学版),1988(3). |
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| 作者姓名： | 曹光中 徐志洪 |
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| 作者单位： | 华东工学院应用力学系
(曹光中)，华东工学院应用力学系(徐志洪) |
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| 摘 要： | 本文应用小变形叠加到大变形上的分析方法,考察了表面受常静水载荷作用下,谐和弹性半无限体的表面平面应变失稳问题。分析表明,对于标准材料情形,压缩方向的临界主伸缩比随静水载荷值的增大而减小,相应的临界载荷则随之增大。
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| 关 键 词： | 半无限体 弹性屈曲 流体静压力 平面应变 |
Surface Instability of an Elastic Half Space of a Harmonic Material with Hydrostatic Loading on its Surface |
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| Cao Guangzhong,Xu Zhihong.Surface Instability of an Elastic Half Space of a Harmonic Material with Hydrostatic Loading on its Surface[J].Journal of Nanjing University of Science and Technology(Nature Science),1988(3). |
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| Authors: | Cao Guangzhong Xu Zhihong |
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| Institution: | Cao Guangzhong;Xu Zhihong |
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| Abstract: | The plane-strain buckling of a harmonic halfspace, subjected to a hydrostatic loading on its surface, istreated by using a small-deformation-superposed-on-large-def-ormation analysis. For a standard material, it is shown thatthe critical stretch ratio in the direction of compression decr-eases and the corresponding critical buckling load increases,asthe hydrostatic loading increases. |
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| Keywords: | Semi-infinite body Elastic buckling Hydrostatic Pressure Plane strain |
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