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Study on Conceptual Design of Structure Based on SIMP Topology Optimization Theory

LIU Zhiqiang,WANG Mingqiang(School of Mechanical and Power Eng.,Jiangsu University of Science and Technology,Zhenjiang Jiangsu 212003,China)  
In order to explore the conceptual design method of machine tools' structure,which is feasible and practical in the engineering,the topology optimization theory and the finite element analysis are integrated,so as to investigate the concept design.The software UG is used as CAD platform with the software ANSYS as CAE platform.A mathematic model is established by SIMP(solid isotropic material with penalization)topology optimization theory,and the heuristic optimality criteria is improved to solve the model.A raising platform of machine tool for processing the flange of ship rudder blade is optimized by the integration of topology optimization and CAD/CAE system.Results from the optimization provide the design domain and prototype for both the shape and size optimization in the detailed design.From the results,the optimal design is proved robust and effective.It can meet the needs of the concept design in the engineering projects.
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