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Functional requirements of a simulation software for liquid molding processes

François Trochu, Pierre Ferland and Raymond Gauvin

Article (1997)

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Abstract

Numerical simulation of liquid molding processes such as RTM ("Resin Transfer Molding") and SRIM ("Structural Reaction Injection Molding") is becoming more important as the cost of industrial molds increases with complexity of molded parts. Based on five years of laboratory and field experience, a simulation software called RTMFLOT has been developed at the Center for Applied Research on Polymers of Ecole Polytechnique de Montreal, Canada. The aim of this article is to examine the functional requirements for an effective computer simulation of liquid molding processes. These requirements can be divided in three parts: general, when they apply to any mold filling simulation; specific, when they are related to flows in porous media; and practical, when they concern the computer implementation of the filling algorithm. The particular features of the simulation software RTMFLOT will be described here in order to illustrate these general con-cepts. Validation results for parts with irregular boundaries, inserts or ribs are also presented. Finally, current research on multilayer filling and non-isothermal liquid composite molding is discussed.

Uncontrolled Keywords

RTM; SRIM; composites; liquid composite molding (LCM); finite element

Subjects: 1700 Design and manufacturing > 1700 Design and manufacturing
2950 Applied mathematics > 2960 Mathematical modelling
Department: Department of Mechanical Engineering
PolyPublie URL: https://publications.polymtl.ca/30002/
Journal Title: Science and Engineering of Composite Materials (vol. 6, no. 4)
Publisher: de Gruyter
DOI: 10.1515/secm.1997.6.4.209
Official URL: https://doi.org/10.1515/secm.1997.6.4.209
Date Deposited: 18 Apr 2023 15:23
Last Modified: 08 Apr 2024 18:10
Cite in APA 7: Trochu, F., Ferland, P., & Gauvin, R. (1997). Functional requirements of a simulation software for liquid molding processes. Science and Engineering of Composite Materials, 6(4), 209-218. https://doi.org/10.1515/secm.1997.6.4.209

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