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Coupled Instabilities in Metal Structures Roma pp. Home About us Subjects Contacts.
Advanced Search Help. Entire Site De Gruyter Online. Sign in Register. English Deutsch. Open access. This volume explains all these aspects in detail. The book is self-contained and the necessary mathematical concepts and numerical methods are presented in such a way that the reader may easily follow the topics based on these basic tools.
Some basic knowledge in classical mechanics and theory of elasticity is required. Springer Professional. Back to the search result list.
Lecture 8.7: Basic Analysis
Table of Contents Frontmatter Chapter 1. Concept of Stability Abstract. The chapter presents basic concepts of the structural stability under the external applied loads. The applied loads may be in form of the mechanical or thermal loads, where the latter create thermal stresses due to the temperature gradient in the structure.
When the applied loads result into the compressive stresses, the structural member may fail due to lack of stability. In general, three types of static stability are recognized. These are; the classical buckling or bifurcation , the finite disturbance buckling , and the snapthrough buckling. These different types of instabilities depend upon a number of factors such as the geometry of the structure, the initial geometric imperfection, the boundary conditions, and the material property distribution.
- Buckling and Post-buckling of Beams.
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The chapter also discusses the nature of the post-buckling path, where it may be stable or unstable paths depending upon the above factors. This chapter presents buckling and post-buckling analysis of straight beams under thermal and mechanical loads.
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The Euler and Timoshenko beam theories are considered and buckling and postbuckling behaviors are discussed. The buckling analysis of beams with piezoelectric layers is presented and the effect of piezo-control on the beam stability is analyzed. The buckling and post-buckling of curved beams under mechanical distributed and concentrated loads and thermal loads with different types of boundary conditions are discussed in detail in this chapter. The existence of bifurcation points are examined for each type of loading.
Buckling and Post-buckling Analysis of Composite Plates
I tried to use displacement of a point on beam, but it shows error that the solution is not converged. Anyone can help me with it? Hi, Start by taking a look at this model www. It is also discussed in this blog post: www. It just reduces the computation time since you do not need to spend a lot of iterations far out in the nonlinear regime.
It will not in itself be the cause of non-convergence. Regards, Henrik. Hi, Thank you for your help. The model you mentioned is what I practiced with. But what I found in the solver is the stop condition and clear the reaction force check box. Doing the later one didn't show me anything interesting in my model. That's why I started to think about the stop condition.