The Finite Volume Formulation for 2D Second-Order Elliptic
Problems with Discontinuous Diffusion/Dispersion Coefficients

<table>First and second mesh of mesh family  <svg height="15.8" id="M398" style="vertical-align:-3.39066pt" version="1.1" viewbox="0 0 24.6875 15.8" width="24.6875" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,11.525)"><use xlink:href="#x2133"></use></g>
<g transform="matrix(.012,-0,0,-.012,18.288,15.6)"><use xlink:href="#x33"></use></g>
</svg>. This mesh family is used in test case 2.</table>

Mathematical Problems in Engineering

fig4

Figure 4

Figure 4: The Finite Volume Formulation for 2D Second-Order Elliptic
Problems with Discontinuous Diffusion/Dispersion Coefficients 

Mathematical Problems in Engineering

The Finite Volume Formulation for 2D Second-Order Elliptic Problems with Discontinuous Diffusion/Dispersion Coefficients

Figure 4