On the Iterative Solution of Adjoint Equations
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This chapter considers the iterative solution of the adjoint equations which arise in the context of design optimisation. It is shown that naive adjoining of the iterative solution of the original linearised equations results in an adjoint code which cannot be interpreted as an iterative solution of the adjoint equations. However, this can be achieved through appropriate algebraic manipulations. This is important in design optimisation because one can reduce the computational cost by starting the adjoint iteration from the adjoint solution obtained in the previous design step.
KeywordsComputational Fluid Dynamic Iterative Solution Adjoint Equation Iterative Solver Adjoint Variable
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