Summary
A general method for the elastic — plastic analysis of plane frames including nonlinear geometric effects (large displacements, large /quadratic/ strains) is presented. A mixed type element with three degrees of freedom d. o. f. at each end, and with n (n = 1,2,3,...) internal d.o.f. along the element is proposed. The mixed approach with the approximation of the axial force and the curvature presents better the elastic — plastic state than the well known displacement approach.
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© 1981 Springer-Verlag Berlin Heidelberg
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Banovec, J. (1981). An Efficient Finite Element Method for Elastic-Plastic Analysis of Plane Frames. In: Wunderlich, W., Stein, E., Bathe, KJ. (eds) Nonlinear Finite Element Analysis in Structural Mechanics. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-81589-8_21
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DOI: https://doi.org/10.1007/978-3-642-81589-8_21
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