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首页> 外文期刊>Mathematical Problems in Engineering >Modeling and Simulation of Fiber Orientation in Injection Molding of Polymer Composites
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Modeling and Simulation of Fiber Orientation in Injection Molding of Polymer Composites

机译：聚合物复合材料注射成型中纤维取向的建模与仿真

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摘要

We review the fundamental modeling and numerical simulation for a prediction of fiber orientation during injection molding process of polymer composite. In general, the simulation of fiber orientation involves coupled analysis of flow, temperature, moving free surface, and fiber kinematics. For the governing equation of the flow, Hele-Shaw flow model along with the generalized Newtonian constitutive model has been widely used. The kinematics of a group of fibers is described in terms of the second-order fiber orientation tensor. Folgar-Tucker model and recent fiber kinematics models such as a slow orientation model are discussed. Also various closure approximations are reviewed. Therefore, the coupled numerical methods are needed due to the above complex problems. We review several well-established methods such as a finite-element/finite-different hybrid scheme for Hele-Shaw flow model and a finite element method for a general three-dimensional flow model.
机译：我们回顾了用于预测聚合物复合材料注塑过程中纤维取向的基本建模和数值模拟。通常，纤维取向的模拟涉及流量，温度，运动自由表面和纤维运动学的耦合分析。对于流的控制方程，Hele-Shaw流模型与广义牛顿本构模型一起被广泛使用。用二阶纤维取向张量描述了一组纤维的运动学。讨论了Folgar-Tucker模型和最新的纤维运动学模型，例如慢取向模型。还回顾了各种闭合近似。因此，由于上述复杂问题，需要耦合数值方法。我们回顾了几种完善的方法，例如Hele-Shaw流动模型的有限元/有限差分混合方案和一般的三维流动模型的有限元方法。

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  • 来源
    《Mathematical Problems in Engineering》 |2011年第2期|p.1-14|共14页
  • 作者

    Jang Min Park; Seong Jin Park;

  • 作者单位

    Department of Mechanical Engineering, Pohang University of Science and Technology, San 31, Hyoja-dong, Nam-gu, Gyeongbuk, Pohang 790-784, Republic of Korea;

    Department of Mechanical Engineering, Pohang University of Science and Technology, San 31, Hyoja-dong, Nam-gu, Gyeongbuk, Pohang 790-784, Republic of Korea,Division of Advanced Nuclear Engineering, Pohang University of Science and Technology, San 31, Hyoja-dong, Nam-gu, Gyeongbuk, Pohang 790-784, Republic of Korea;

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