Abstract
A computational procedure for predicting the geometric and material nonlinear dynamic response of space trusses is presented. An updated Lagrangian method, based on the incremental formulation of the equation of motion, is employed. The constitutive law is cast into the Ramberg-Osgood polynomial model. Numerical studies of two- and three-dimensional truss structures under various dynamic loading are made. The structure dynamic response including different types of nonlinearity is compared with the linear response and with the results obtained from static analysis.
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