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Dynamic simulation of fiber orientation in mold filling process in a complex cavity

Yang Bin-Xin Ouyang Jie Li Xue-Juan

Dynamic simulation of fiber orientation in mold filling process in a complex cavity

Yang Bin-Xin, Ouyang Jie, Li Xue-Juan
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  • Received Date:  18 March 2011
  • Accepted Date:  10 May 2011
  • Published Online:  15 April 2012

Dynamic simulation of fiber orientation in mold filling process in a complex cavity

  • 1. Department of Applied Mathematics, Northwestern Polytechnical University, Xi’an 710129, China;
  • 2. Department of Mathematics, Taiyuan University of Science and Technology, Taiyuan 030024, China
Fund Project:  Project supported by the National Key Basic Research Program of China (Grant No. 2012CB025903), the National Natural Science Foundation of China (Grant No. 10871159) and the Taiyuan Univerity of Science and Technology Foundation, China(Grant No. 20112011).

Abstract: A dynamic simulation of fiber reinforced composite mold filling process in a complex cavity is presented based on the gas-solid-liquid three-phase model for mold filling and the finite volume method on non-staggered grids. The interface evolution and the information about physical quantities, such as velocity, stresses, pressure, etc, are given. The motions of fibers, including transformation and orientation, are obtained as well. Numerical results show that fiber orientation in the horizontal mid-plane is related to the shape of the cavity, which is quite different from the case of the skin-core-skin structure orientation along cavity thickness. In the inlet region, fibers encircle the cavity inlet, and fiber orientation is vertical to the incoming flow direction along the horizontal and the vertical regions of the cavity, while around the corners of the cavity, fibers point to the corners of the cavity.

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