Question

For optimization of designs, CFD is ___________

(a) Slow and expensive

(b) Cost-effective but slow

(c) Fast but expensive

(d) Cost-effective and fast

This question was addressed to me in quiz.

The doubt is from CFD Advantages and Disadvantages in division Philosophy of Computational Fluid Dynamics of Computational Fluid Dynamics

Answer 1

The correct answer is (d) Cost-effective and fast

For explanation: For design optimization, multiple tests should be done on different cases and many trials should be done. CFD is faster and cost-effective than experiments in this case.