Optimum design of trusses using a genetic algorithm
Computational engineering using metaphors from nature
Design of truss-structures for minimum weight using genetic algorithms
Finite Elements in Analysis and Design
A new adaptive penalty scheme for genetic algorithms
Information Sciences: an International Journal - Special issue: Evolutionary computation
Particle swarm approach for structural design optimization
Computers and Structures
An improved genetic algorithm with initial population strategy and self-adaptive member grouping
Computers and Structures
Finite Elements in Analysis and Design
A heuristic particle swarm optimization method for truss structures with discrete variables
Computers and Structures
Finite Elements in Analysis and Design
Modelling and Simulation in Engineering
Computers and Operations Research
A survey of non-gradient optimization methods in structural engineering
Advances in Engineering Software
International Journal of Metaheuristics
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This study is concerned with encoding types such as value encoding and binary encoding for continuous and discrete optimization with a GA, which is coded in FORTRAN and considers stress and displacement constraints, in view of weight minimization of truss structures. Moreover, when continuous optimization is performed, the challenge of huge search space due to the effort of considering continuous set of design variables is overcame by a mechanism introduced as restricted range approach (RRA) in this study. In comparison with the literature, it is concluded that the program developed in this study can be effectively used in the weight minimization of truss structures. It is also came to the conclusion that value encoding overcomes the adverse effects of Hamming-cliff, and that value encoding requires less computer memory and time, never destroys the fit chromosome.