Iterative Techniques for Mixed Methods
Equations of the form (12.3.1) or (12.5.14) are indefinite and require special care to solve. We will now consider one class of algorithms which involve a penalty method to enforce the second equation in (12.3.1) or (12.5.14). These algorithms transform the linear algebra to positive-definite problems in many cases. Moreover, the number of unknowns in the algebraic system can also be significantly reduced.
KeywordsStokes Equation Bilinear Form Mixed Method Penalty Method Mixed Formulation
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