The Lagrange multiplier and the stationary Stokes equations

The Lagrange multiplier and the stationary Stokes equations
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拉格朗日乘子和平稳斯托克斯方程

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发表时间:
2017
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通讯作者:
W. Ozanski
W. Ozanski
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作者:
W. Ozanski

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本文简要地讨论了Hilbert空间中线性约束的拉格朗日乘子的概念,证明了定常Stokes方程中的压力p是约束div_u = 0 {\operatorname{div}u=0}的拉格朗日乘子.
Abstract We briefly discuss the notion of the Lagrange multiplier for a linear constraint in the Hilbert space setting, and we prove that the pressure p appearing in the stationary Stokes equations is the Lagrange multiplier of the constraint div ⁡ u = 0 {\operatorname{div}u=0} .