نتایج جستجو برای: viscoelastic flow

تعداد نتایج: 493096  

1998
Raz Kupferman

We present a numerical scheme for viscoelastic flow based on a second-order central differencing method recently introduced in the context of incompressible newtonian flow; the incompressibility constraint is treated with the projection method. The result is a simple and efficient scheme that is readily adaptable to a wide class of differential constitutive equations and flow geometries. We imp...

2003
LePing Li Walter Herzog

INTRODUCTION Articular cartilage is known to exhibit strong transient mechanical behavior. When subjected to high strainrate loading, its apparent stiffness can be 10 times greater than its stiffness at equilibrium. However, the mechanism of this strain-rate dependent response is not completely understood. While some studies have shown evidence of a fluid-flow dominant mechanism of the strain-r...

Journal: :International Journal of Fluid Machinery and Systems 2009

Journal: :Journal of Computational Physics 1998

Journal: :Journal of Fluid Mechanics 2022

Surface distortions to an otherwise planar channel flow introduce vorticity perturbations. In Newtonian fluids, the induced by small surface undulations on lower wall is advected background and diffuses into fluid. When fluid viscoelastic, we identify new mechanisms which significant perturbations can be generated in both inertialess elasto-inertial flows. We focus case where lengthscale of dis...

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