HEAT TRANSFER SEARCH ALGORITHM FOR SIZING OPTIMIZATION OF TRUSS STRUCTURES
Keywords:
HEAT TRANSFER SEARCH, METAHEURISTIC SEARCH ALGORITHMS, SIZING OPTIMI-ZATION, TRUSS STRUCTURES.Abstract
HEAT TRANSFER SEARCH (HTS) IS A NOVEL METAHEURISTIC OPTIMIZATION ALGORITHM THAT SIMULATES THE LAWS OF THERMODYNAMICS AND HEAT TRANSFER. IN THIS STUDY, THE HTS ALGORITHM IS ADAPTED TO TRUSS STRUC-TURE OPTIMIZATION. SIZING OPTIMIZATION SEARCHES FOR THE MINIMUM WEIGHT OF A STRUCTURE SUBJECT TO STRESS AND DISPLACEMENT CONSTRAINTS. THREE TRUSS STRUCTURES OFTEN TAKEN AS BENCHMARKS IN THE OPTIMIZA-TION LITERATURE ARE SELECTED HERE IN ORDER TO VERIFY THE EFFICIENCY AND ROBUSTNESS OF THE HTS ALGORITHM. OPTIMIZATION RESULTS INDICATE THAT HTS CAN OBTAIN BETTER DESIGNS (I.E. LIGHTER TRUSSES) THAN OTHER RECENTLY DEVELOPED METAHEURISTIC OPTIMIZERS. THE CONVERGENCE BEHAVIOUR OF HTS ALSO IS AS GOOD AS THE OTHER ALGORITHMS.Downloads
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2016-12-09
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