)
        [g_fine,S2] = computeHybridTrans(g_fine,S);
    <span class="keyword">else</span>
        S2 = [];
    <span class="keyword">end</span>
</pre><h2>Define a simple two phase fluid object<a name="7"></a></h2><p>Linear tracer transport</p><pre class="codeinput">    fluid = initSimpleFluid(<span class="string">'mu'</span> , [   1,  1]*centi*poise     , <span class="keyword">...</span>
        <span class="string">'rho'</span>, [1014, 859]*kilogram/meter^3, <span class="keyword">...</span>
        <span