Modified equation based mesh adaptation algorithm for evolutionary scalar partial differential equations

Author(s):  
Ritesh Kumar Dubey ◽  
Prabhat Mishra
2021 ◽  
Vol 0 (0) ◽  
pp. 0
Author(s):  
Prabhat Mishra ◽  
Vikas Gupta ◽  
Ritesh Kumar Dubey

<p style='text-indent:20px;'>In this work a novel mesh adaptation technique is proposed to approximate discontinuous or boundary layer solution of partial differential equations. We introduce new estimator and monitor function to detect solution region containing discontinuity and layered region. Subsequently, this information is utilized along with equi-distribution principle to adapt the mesh locally. Numerical tests for numerous scalar problems are presented. These results clearly demonstrate the robustness of this method and non-oscillatory nature of the computed solutions.</p>


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