NewTest: Difference between revisions

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\end{equation}
\end{equation}


 
\begin{equation}  
\begin{equation} \tag{117}
  {{\sigma }_{E}}=\left\{ \begin{align}
  \begin{align}
   & 0.7+3.6{{\sin }^{2}}\left( \frac{\pi }{2}\frac{{{W}_{s}}}{{{u}_{*c}}} \right)
   & {{{\vec{F}}}_{a}}=c\ \vec{u}+c\ w\ {{{\vec{e}}}_{z}} \\
    \text{if}\frac{{{W}_{s}}}{{{u}_{*c}}}\le 1 \tag{136} \\
  & {{{\vec{F}}}_{s}}=-c\ {{W}_{s}}\ {{{\vec{e}}}_{z}} \\
   & 1.0+3.3{{\sin }^{2}}\left( \frac{\pi }{2}\frac{{{u}_{*c}}}{{{W}_{s}}} \right)
   & {{{\vec{F}}}_{d}}=-{{\varepsilon }_{h}}\ \overrightarrow{\text{gra}{{\text{d}}_{\text{h}}}}\left( c \right)-{{\varepsilon }_{\nu }}\frac{\partial c}{\partial z}{{{\vec{e}}}_{z}} \\
    \text{if}\frac{{{W}_{s}}}{{{u}_{*c}}}>1 \\
  \end{align}
\end{align} \right.
\end{equation}
\end{equation}

Latest revision as of 15:00, 6 October 2011

\begin{equation}\tag{176} k_b = 0.062 \left[ 1-0.9 \tanh \left( 0.25\frac{u_{*w}}{W_s} \right) \right] \end{equation}

\begin{equation}

 {{\sigma }_{E}}=\left\{ \begin{align}
 & 0.7+3.6{{\sin }^{2}}\left( \frac{\pi }{2}\frac{{{W}_{s}}}{{{u}_{*c}}} \right)
   \text{if}\frac{{{W}_{s}}}{{{u}_{*c}}}\le 1 \tag{136} \\
 & 1.0+3.3{{\sin }^{2}}\left( \frac{\pi }{2}\frac{{{u}_{*c}}}{{{W}_{s}}} \right)
   \text{if}\frac{{{W}_{s}}}{{{u}_{*c}}}>1 \\

\end{align} \right. \end{equation}