淡江大學機構典藏:Item 987654321/108721
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    题名: Finite Element Analysis of Fluid-Structure Interaction for Solids Undergoing Finite Deformations
    作者: Wang, Chien-Kai
    关键词: Finite element method of solid mechanics;computational fluid mechanics;fluidstructure interaction;soft materials;nonlinear elasticity of solids
    日期: 2016-10-20
    上传时间: 2016-12-06 02:10:24 (UTC+8)
    摘要: In this study, we carry out fluid-structure interaction analysis by integrating the finite element analysis of solid mechanics and the finite difference method of fluid mechanics. Here, numerical simulations of fluid-structure interaction are implemented to solve the large deformation problems for solids of hyperelastic materials immersed in fluids by introducing the interaction forces between the solids and the surrounding fluids. The main themes of this research include the formulations of mechanics which embrace conservation equations, kinematics descriptions and computing algorithms especially developed for elaborating fluid-solid interaction modeling. For boundary value problems in solid mechanics, we consider a hyperelastic material model with the NeoHookean material description including nonlinear material behaviors and large shape changes for an isotropic solid to understand mechanical responses of soft materials surrounded by fluids. For model problems of viscous incompressible fluid in fluid mechanics, the Navier-Stokes equations of the incompressible Newtonian fluids are utilized by introducing the finite difference operators, imposing the initial and boundary conditions, and subjecting the proper interaction forces between the solids and fluids. Finally, we anticipate that this technique will open doors for understanding more physics related to fluid-structure interaction such as physiological states of deformed biological specimens under environmental loadings in fluids.
    關聯: Proceedings of the 2nd Association of Computational Mechanics Taiwan Conference
    显示于类别:[土木工程學系暨研究所] 會議論文

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