Numerical Analysis Of Buckling Of Von Mises Planar Truss

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Abstract

A computational algorithm of a discrete model of von Mises planar steel truss is presented. The structure deformation is evaluated by seeking the minimal potential energy. The critical force invented by mathematical solution was compared with solution by computer algorithm. Symmetric and asymmetric effects of initial shape of geometric imperfection of axis of struts are used in model. The shapes of buckling of von Mises planar truss of selected vertical displacement of top joint are shown.

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Eng. Maciej Major, PhD., Katedra Mechaniki Technicznej, Wydział Budownictwa, Politechnika Częstochowska, Poland.

Doc. Ing. Vít Křivý, Ph.D., Department of Building Structures, Faculty of Civil Engineering, VŠB – Technical University of Ostrava, Czech Republic.

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