COMPARING DIFFERENT ADAPTIVE MESH REFINEMENT STRATEGIES APPLIED TO TWO-DIMENSIONAL POTENTIAL PROBLEMS USING BOUNDARY ELEMENT METHOD

Resumo

The work consists of comparing the performance of different adaptive mesh refinement strategies adap-
tive refining using the Boundary Elements Method (MEC) based on error estimates made by three error estimators.

The three error estimators adopted in this work are: discontinuous estimator, integral estimator and recursive es-
timator. The parameter adopted in the comparison will be the reduction of the average error calculated in points

internal to the geometry so that the calculation of the average error is for the same points in all cases because
different discretized geometries are generated from each estimator. The results obtained from the error estimators
are compared to the application of uniform refinement to study the efficiency of the refining based on the different
error estimators.