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FINITE-ELEMENT AND CONTROL-VOLUME METHODS IN THE DYNAMIC SIMULATION OF INJECTION-MOLDING FILLING PROCESS

LIU Chun-tai, SHEN Chang-yu, CHEN Jing-bo, WANG Li-xia

CHINESE JOURNAL OF COMPUTATIONAL PHYSICS 2002, 19 (4): 344-348.

Abstract （234）

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Mold-filling of polymer melt in three dimensional thin parts is a viscous incompressible flow with moving boundaries.Based on generalized Hele-Shaw flow theory,the finite element systems for pressure fields are constructed by the Control Volume Methods.The advancing of melt front is traced by a hybrid FEM/Control-Volume method and the dynamic simulation of the mold-filling process is achieved.

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GENERATION OF FINITE ELEMENT MESH FOR ARBITRARY PLANAR DOMAINS

YANG Xiao-dong, LIU Chun-tai, SHEN Chang-yu, CHEN Jing-bo

CHINESE JOURNAL OF COMPUTATIONAL PHYSICS 2000, 17 (3): 293-297.

Abstract （223）

PDF （171KB）（1155）

Based on Delaunay triangulation an algorithm is presented for generation triangle mesh over any planar domain which have complicated characteristic constraints.Charateritic constraints in a planar domain can be constructed by point,line,circle,arc,spline curves,open loops and closed loops which are made up of them.

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