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Application of differential quadrature method to solve entry flow of viscoelastic second‐order fluid
Authors:Sun Jian‐An  Zhu Zheng‐You
Abstract:
The entry flow of viscoelastic second‐order fluid between two parallel plates is discussed. The governing equations of vorticity and the streamfunction are expanded with respect to a small parameter that characterizes the elasticity of the fluid by means of the standard perturbation method. By using the differential quadrature method with only a few grid points, high‐accurate numerical solutions are obtained. The numerical results show a lot of the features of a viscoelastic second‐order fluid. Copyright © 1999 John Wiley & Sons, Ltd.
Keywords:viscoelasticity  second‐order fluid  entry flow  differential quadrature method
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