Question

CFD is the third approach for fluid flow analysis. What are the other two approaches?

(a) Theoretical and experimental

(b) Physical and Mathematical

(c) Numerical and experimental

(d) Experimental and physical

The question was posed to me in exam.

The doubt is from Philosophy in section Philosophy of Computational Fluid Dynamics of Computational Fluid Dynamics

Answer 1

Right answer is (a) Theoretical and experimental

The explanation is: Pure theoretical and pure experimental approaches were the two approaches prior to the advent of CFD. To overcome the disadvantages in both of these approaches, Computational Fluid Dynamics was invented.