           ||
        ||                    ||
        |+--------------------+|
        +----------------------+
      </pre>
      An evenly spaced grid of 41x41 = 1,681 nodes, is used.
      These nodes are organized into 800 6-node triangular elements
      which are quadratic in velocity and linear in pressure. 
    </p>

    <h3 align = "center">
      Licensing:
    </h3>
 
    <p>
      The computer code and data files described and made available on this web page 
      are distributed under
      <