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

<table>The node enrichment using Voronoi diagram (<svg height="7.6750002" id="M113" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 9.0124998 7.6750002" width="9.0124998" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,7.613)"><path d="M455 252q0 -79 -57 -136t-136 -57q-80 0 -136 56q-56 58 -56 137q0 77 56 135q57 57 136 57q84 0 138 -56q55 -55 55 -136z" id="x2022"></path></g>
</svg> initial nodes, ▲ new added nodes).</table>

Mathematical Problems in Engineering

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Figure 4

Figure 4: Error Estimate and Adaptive Refinement in Mixed Discrete Least Squares Meshless Method 