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|Title:||Stagnation and rotating-disk flows over a compliant surface|
|Authors:||Phan-Thien, N. |
|Citation:||Phan-Thien, N.,Yeo, K.S. (2001-09). Stagnation and rotating-disk flows over a compliant surface. Zeitschrift fur Angewandte Mathematik und Physik 52 (5) : 770-792. ScholarBank@NUS Repository.|
|Abstract:||In this paper, exact solutions to the stagnation flow over a compliant surface and the flow about a rotating disk coated by a compliant layer are discussed. The compliant layer is modelled by the Mooney rubberlike material. In the stagnation flow, the deformation of the rubber layer depends on two dimensionless groups: one is the ratio of pressure to the shear modulus of the material, and the other is the ratio of the boundary layer thickness to the thickness of the layer. It is shown that this deformation has a limit point at a critical value of the pressure force, beyond which the solution does not exist. In the rotating-disk flow, the deformation of the rubber layer depends on two dimensionless groups, one is a material parameter, and the other is a flow loading parameter, the ratio of the flow-induced viscous stress to the shear modulus multiplied by the ratio of the thickness of the layer to the boundary layer thickness. At large value of a material parameter, it is found that this deformation has a limit point at a critical value of the flow loading parameter.|
|Source Title:||Zeitschrift fur Angewandte Mathematik und Physik|
|Appears in Collections:||Staff Publications|
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