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The multi-grid approach is used to assist __________

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in Computational Fluid Dynamics by (118k points)
The multi-grid approach is used to assist __________

(a) iterative solvers

(b) direct solvers

(c) gradient solvers

(d) pre-conditioned solvers

The question was posed to me in final exam.

Question is taken from Numerical Methods in section Numerical Methods of Computational Fluid Dynamics

1 Answer

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Best answer
Right choice is (a) iterative solvers

Explanation: When the iterative solvers are used to solve medium to large system of equations, the error is big and accuracy becomes less. This poses a problem with iterative solvers. So, they are supplemented with the multi-grid approach.

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