Abstract

The velocity $\mathbf{u=}2\nu P\left(  1-P\right)  \left( \begin{array}     [c]{c}%     \mu_{1}\\     -\mu_{2}\\     \mu_{3}% \end{array} \right)  $\ and pressure $p,$ where $p,\mathbf{u}\in C^{\infty}(\mathbb{R}^{3}\times\lbrack0,\infty)),P=\frac{1}{1+e^{\mu_{1}x+\mu_{2}y+\mu_{3}z-kt}}$ have been verified and validated in commercial softwares that has implemented Vector Calculus. ...

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