Introduction to A Posteriori Error Analysis Procedures: Pointwise Error Measures and A New Approach for Strain Extraction
Introduction
The most effective method to obtain a finite element solution of ensured accuracy is to create the final model using a process of successive improvement. In this process, the accuracy of the initial finite element solution is evaluated with some type of termination criteria. If the desired level of accuracy is not present, the finite element mesh is improved by further subdividing the model in regions of unacceptable error under the guidance of a refinement guide. The new model is evaluated for accuracy and the process is continued until an acceptable result is attained. A flow chart for this iterative process, ...
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