梁、框架和圆柱壳在弹塑性阶段的稳定性计算

Q4 Engineering

International Journal for Computational Civil and Structural Engineering Pub Date : 2022-09-30 DOI:10.22337/2587-9618-2022-18-3-25-36

G. Manuylov, S. Kosytsyn, M. Begichev

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引用次数: 0

摘要

考虑了弹塑性材料作用下的梁、Π-shaped框架和圆柱壳的稳定性问题。研究了用不同类型的有限元对杆件进行建模的可能性。板单元甚至是一维梁有限元都可以用来模拟具有几何和物理非线性的压缩杆。对于圆柱壳的稳定性问题，给出了作者的有限元计算结果与v.g.s azonov的实验结果和a.v.k armishin的计算结果的比较。

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ON THE CALCULATIONS FOR THE STABILITY OF BEAMS, FRAMES, AND CYLINDRICAL SHELLS IN THE ELASTO-PLASTIC STAGE

The problems of stability of some beams, Π-shaped frames and cylindrical shells with the elasto-plastic material are considered. The possibility of modeling bars using finite elements of various types is studied. Plate elements and even one-dimensional beam finite elements can be used for modelling compressed rods with geometric and physical nonlinearity. For the problem of stability of a circular cylindrical shell is given the comparison of the authors' results obtained using the FEM with the experimental results of V.G. Sazonov and the calculations of A.V. Karmishin.

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来源期刊

International Journal for Computational Civil and Structural Engineering Engineering-Building and Construction

CiteScore

0.80

自引率

0.00%

发文量

审稿时长

4 weeks