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壳体稳定性问题的研究进展
Advanced studies on the stability of flexible shell systems
- DOI:
- 作者:
- 安镇文 许绍燮 乔森 柴金梅
An ZhenwenXuShaoxieQiaosenand Chai Jinmei
- 作者单位:
- 中国地震局地球物理研究所，北京，100081
Institute of Geophysics, China Earthquake Administration, Beijing 100081, China
- 关键词:
- 地震成因；壳体系统；非线性大挠度；动力学；稳定性与屈曲
Seismogenesis, shell system, nonlinear large deflection, dynamics, stability and buckling
- 摘要:
-
为探索大地震成因的物理机理，本文根据板壳理论的研究结果，综述了多年来柔韧壳体非线性大挠度变形研究中与地震成因相关的壳体结构变形问题的研究进展、壳体结构变形过程中的稳定性问题。同时，本文还介绍了壳体曲率变化对其变形过程中稳定性的影响，期望能为探索大地震成因机理的研究提供某些有用的物理依据与理论基础。
In order to explore physical mechanism of large earthquake occurrence, in this paper, the advances in studies on nonlinear large deflection deformations for the flexible shell system with relation to seismic origin process and stability of their deformation physical process are reviewed. In the meantime, the influence of curvature changes on buckling of the flexible shell structure is also introduced. We expect that the paper can provide more of the physics and theoretical basis for an exploring seismogenesis mechanism of large earthquakes.
