Molecular model and flow calculation: I. The numerical solutions to multibead-rod models in homogeneous flows |
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Authors: | Fan Xijun |
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Institution: | (1) Department of Chemical Engineering, Zhejiang University, China |
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Abstract: | The Galerkin method is used to solve the diffusion equation of the distribution function in configurational space for a multibead-rod
model, and the dimensionless components of the extra stress tensor are then calculated by means of the expression of ensemble
average. The material functions for steady-state shear flow and uniaxial flow and the mechanical properties of rigid-rodlike
molecule suspensions in superposed flows are obtained numerically. The results indicate that it is promising to employ the
multibead-rod models without the constitutive equation in numerical simulations of flows of suspensions.
The project supported by the National Natural Science Fundation of China. |
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Keywords: | molecular model suspension homogeneous flow Galerkin method |
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