Error Estimate and Adaptive Refinement in Mixed Discrete Least Squares Meshless Method

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td align="left">Number of nodes </td><td align="center"> Norm of error for initial nodes </td><td align="center"> Norm of error for refined nodes </td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td align="left"> 122 </td><td align="center"> 0.6684 </td><td align="center"> 0.1528 </td></tr><tr><td align="left"> 229 </td><td align="center"> 0.3550 </td><td align="center"> 0.0331 </td></tr><tr><td align="left"> 305 </td><td align="center"> 0.2123 </td><td align="center"> 0.0206 </td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Comparison of the error norms for initial and refined (using node moving) nodal configurations (Example <a href="https://static.hindawi.com/articles/mpe/volume-2014/721240/figures/#ex1">1</a>).

Mathematical Problems in Engineering

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Table 1

Table 1: Error Estimate and Adaptive Refinement in Mixed Discrete Least Squares Meshless Method 