NDLI: Optimization of BEM-based Cooling Channels Injection Moulding Using Model Reduction

Content Provider	Springer Nature Link
Author	Pirc, N. Schmidt, F. Mongeau, M. Bugarin, F. Chinesta, F.
Copyright Year	2008
Abstract	Today, around 30% of manufactured plastic goods rely on injection moulding. The cooling time can represent more than 70% of the injection cycle. In this process, heat transfer during the cooling step has a great influence both on the quality of the final parts that are produced, and on the moulding cycle time. Models based on a full 3D finite element method renders unpractical the use of optimization of the design and placement of the cooling channel in injection moulds. We have extended the use of boundary element method (BEM) to this process. We introduce in this paper a practical methodology to optimize both the position and the shape of the cooling channels in injection moulding processes. We couple the direct computation with an optimization algorithm such as SQP (Sequential Quadratic Programming). First, we propose an implementation of the model reduction in the BEM solver. This technique permits to reduce considerably the computing time during the linear system resolution (unsteady case). Secondly, we couple it with an optimization algorithm to evaluate its potentiality. For example, we can minimize the maximal temperature on the cavity surface subject to a temperature uniformity constraint. Thirdly, we present encouraging computational results on plastic parts that show that our optimization methodology is viable.
Starting Page	1043
Ending Page	1046
Page Count	4
File Format	PDF
ISSN	19606206
Journal	International Journal of Material Forming
Volume Number	1
Issue Number	1
e-ISSN	19606214
Language	English
Publisher	Springer-Verlag
Publisher Date	2008-04-06
Publisher Place	Paris
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Computer-Aided Engineering (CAD, CAE) and Design Computational Intelligence Mechanical Engineering Manufacturing, Machines, Tools Materials Science Operating Procedures, Materials Treatment
Content Type	Text
Resource Type	Article
Subject	Materials Science

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