A smoothed discrete optimization of cantilever composite beam

An optimal design of composite structures conditions significant decrease a total cost that strongly depends on the actual price of materials and the actual cost of manufacturing. Numerical evaluations of structural integrity of complex constructions and their elements are performing mostly by calculation of damage probability and safety margins. Those solutions are based onto known designs, which cover the geometry, materials, loads and boundaries of objects. In this paper is presented an intermediate model approach that is based on smoothening of discrete structural solutions and following optimization by using the assumed objective functions and taking into account significant constraining conditions. The optimal structural design parameters are evaluating by gradient and genetic optimization algorithms. This approach is applied for optimal design of cantilever composite beam of chassis of ultralight plane.