A computer simulation is a computer program that attempts to simulate an abstract model of a particular system. Computer simulations have become a useful part of mathematical modeling of many natural systems in structural analysis. The main aim of this paper is to provide a new efficient method to all aspects of analysis of structures by computer simulation. The use of a new method is necessary to accuracy and stability to improve performance of these structures. The approach of proposed method is based upon the principle of conservation of energy.
Key words: Fletcher-Reeves method, optimization of energy, perturbation technique, analyzing modal, nonlinear dynamic response.
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