薄壳稳定的变分原理
The Variational Principle of Thin Shell in Stability
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Abstract: This paper gives the resultant forces and moments strain energy and work of external forces on the basis of the deformation theory of flexible body therefore in accordance with the principle of virtual displacement the energy criterion of critical lad is obtained and the equilibrium equations and boundary conditions of stability problem are derived.
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Key words:
- shell stability /
- critical load /
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[1] V.V.Novozhilov.Foundations of the Nonlincar Theory of Elastictiv.Graylock Press.Rechester.N.Y.(1953). [2] 诺沃日洛夫.《薄壳理论》.白鹏飞等译.科学出版社(1963), [3] S.P.Timoshenko.Theory of Elastic Stability.McGraw-Hill(1961). [4] 黄克智.《板壳理论》.清华大学出版社(1987).
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