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If the tolerance value to stop the iteration is too big, which of these properties will be affected?(a) Accuracy(b) Efficiency(c) Stability(d) ConservativenessThe question was posed to me in quiz.This intriguing question comes from Discretization Aspects topic in section Basic Aspects of Discretization, Grid Generation with Appropriate Transformation of Computational Fluid Dynamics

Answer»

The correct option is (b) EFFICIENCY

For explanation I WOULD SAY: The tolerance should be a balance between both ACCURACY and efficiency. If the tolerance is too big, iterations will stop soon but the answers will not be accurate. On the other hand, if the tolerance is too small, the number of iterations will be more. This will MAKE the solution inefficient.



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