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Abstract:
The Guide-weight method combined with SIMP theory was used to solve topology optimization problems.In order to define the step factor of iterative formula,two variable step factor control method was proposed,automatically determining the step factors of each iteration referring to structural optimization index.Density compensation method was also introduced,automatically determining the timing of density compensation based on the structural optimization index.The classical topology optimization case was presented to prove the superiority of the two step factor control method.The difference between OC algorithm and Guide-weight method was found by analyzing the elongate beam problems and the experiment result of the two step factor control method with and without density compensation were compared.The experimental results show that the two step control method can bring a better solution and improve solving efficiency.The Guide-weight method can get a more closed global optimal solution compared with the OC algorithm,and the density compensation method can further improve the efficiency of Guide-weight method. © 2018, Editorial Office of Chinese Journal of Computational Mechanics. All right reserved.
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Chinese Journal of Computational Mechanics
ISSN: 1007-4708
Year: 2018
Issue: 1
Volume: 35
Page: 14-20
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 1
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