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Long circular cylindrical shells may locally buckle at lower loads than those predicted by classical linear Donnell solutions due to long range interaction between Euler and local buckling. In fact, Euler buckling may be viewed as a special case of local buckling in which both the longitudinal and circumferential wave numbers are unity. This paper investigates this phenomenon for composite tubes as...
The paper presents an algorithm for buckling analysis of thin-walled laminated composite beam-type structures. One-dimensional finite element is employed under the assumptions of large displacements, large rotation effects but small strains. The equilibrium equations of a prismatic and straight spatial beam element are formulated using the virtual work principle. Stability analysis is performed in...
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