科研之友
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摘要
The fiber orientation distribution in a fiber suspension flow was investigated by a finite difference scheme in spherical coordinates. The diffusivity was transformed between Cartesian and spherical coordinates through tensor analysis to obtain efficiency. It is found that under simple shear flow condition the diffusivity in the azimuthal direction, D-r phi phi, has greater effect on the orientation distribution than that in the colatitude direction, D-r theta theta.
