The initial boundary value problem for Navier-Stokes equations |
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| Authors: | Cheng He |
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| Affiliation: | (1) Institute of Applied Mathmatics, Academia Sinica, 100080 Beijing, P. R. China |
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| Abstract: | By making full use of the estimates of solutions to nonstationary Stokes equations and the method discussing global stability, we establish the global existence theorem of strong solutions for Navier-Stokes equatios in arbitrary three dimensional domain with uniformlyC 3 boundary, under the assumption that |a| L 2(Θ) + |f| L 1(0,∞;L 2(Θ)) or |∇a| L 2(Θ) + |f| L 2(0,∞;L 2(Θ)) small or viscosityv large. Herea is a given initial velocity andf is the external force. This improves on the previous results. Moreover, the solvability of the case with nonhomogeneous boundary conditions is also discussed. This work is supported by foundation of Institute of Mathematics, Academia Sinica |
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| Keywords: | Navier-Stokes equations Stokes equations Homogeneous boundary conditions Nonhomogeneous boundary conditions |
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