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A systematic computer-aided approach to cooling system optimal design in plastic injection molding. (English) Zbl 1192.80018
Summary: Cooling system design is of great importance for plastic injection molding because it significantly affects the productivity and quality of the final products. In this paper, a systematic computer-aided approach is developed to achieve the cooling system optimal design. This approach expiates the trial and error process normally practiced in conventional cooling system design based on the designer’s experience and intuition. Various aspects of the optimization process for cooling system design are investigated including cooling analysis using boundary element method (BEM), a perturbation-based approach to design sensitivity analysis, optimization problem formulation, and a novel hybrid optimizer based on Davidon-Fletcher-Powell (DFP) method and simulated annealing (SA). A case study shows that the proposed methodology for cooling system optimal design is efficient, robust and practical.

MSC:
80M50 Optimization problems in thermodynamics and heat transfer
80M15 Boundary element methods applied to problems in thermodynamics and heat transfer
74M05 Control, switches and devices (“smart materials”) in solid mechanics
74P10 Optimization of other properties in solid mechanics
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