摘要
加筋圆柱壳和圆柱曲板在工程领域中有着广泛的应用,其稳定性特性是设计人员十分关注的一个问题。本文首次尝试应用微分求积单元法分析加筋圆柱曲板的稳定性问题。采用了新的确定权系数的方法建立了微分求积圆柱曲板单元,并给出了详细的分析过程。将微分求积单元法的计算结果与现有的数值结果进行了比较来验证所建立的微分求积单元法的分析过程及结果的正确性,还给出了一些新的数据和图线供设计参考或者用于新方法的验证。
The stiffened circular cylindrical shells and the stiffened circular cylindrical panels are widely used in engineering structures. Firstly, the differential quadrature element method （DQEM） is used for analyzing the stability problem of stiffened circular cylindrical panels. The new method for obtaining the weight coefficients is used to derive the DQ circular cylindrical panel element. The analysis procedures are given in detail. The DQEM results are compared with existing numerical results to verify the correctness of the established DQEM analysis procedures and results. Some new data and curves are used as design references.
出处
《南京航空航天大学学报》
EI
CAS
CSCD
北大核心
2008年第5期632-636,共5页
Journal of Nanjing University of Aeronautics & Astronautics
基金
航空科学基金(04B52006)资助项目
关键词
加筋圆柱壳和圆柱曲板
稳定性
微分求积单元法
微分求积圆柱曲板单元
stiffened circular cylindrical shells and stiffened circular cylindrical panels
stability
differential quadrature element method
differential quadrature circular cylindrical panel element
