SMC 압축성형 공정의 모델링 및 유한요소법을 이용한 열유동해석Finite Element Analysis of the Flow in SMC Compression Molding and Its Applications

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A new flow model is developed for the analysis of compression molding of sheet molding compounds(SMC) and penalty finite element formulation is presented to predict flow front progressions more accurately. In this model SMC is assumed nonisothermal fluid, which has different viscosities in extension and in shear. The flow is allowed to slip at the mold and is resisted by friction force which is proportional to the relative velocity at mold surface. For the verification of the model, the press force and flow patterns are compared with those of experiments and available results by other works in this field. It is also demonstrated, using the computational procedure described and the proposed model, that optimal initial charge shapes for the filling can be effectively computed.
Publisher
대한기계학회
Issue Date
1994-01
Language
Korean
Citation

대한기계학회 논문집, v.18, no.11, pp.3084 - 3090

ISSN
1226-4873
URI
http://hdl.handle.net/10203/65643
Appears in Collection
ME-Journal Papers(저널논문)
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