Explore topic-wise MCQs in Computational Fluid Dynamics Questions and Answers.

This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Computational Fluid Dynamics Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.

1.

The Sweby’s diagram is drawn in __________ plane.

A. (Ψ,r)
B. (Ψ,\(\tilde{\phi_c}\))
C. (Ψ,\(\tilde{\phi_f}\))
D. (Ψ,\(\tilde{\phi_d}\))
Answer» B. (Ψ,\(\tilde{\phi_c}\))
Discussion
2.

Consider the discretized form of an equation given by \(\frac{\partial(\rho u\phi)}{\partial x}=-a(\phi_c-\phi_u)+b(\phi_d-\phi_c).\) For this numerical scheme to be TVD, what is the condition?

A. (Note: Φu, Φc and Φd are the flow variables at the far upwind, upwind and downwind schemes).
B. a≥0;b≥0;0≤a+b≤1
C. a≥0;b≤0;0≤a+b≤1
D. a≥0;b≥0;0≤a-b≤1
E. a≥0;≤0;0≤a-b≤1
Answer» B. a≥0;b≥0;0≤a+b≤1
Discussion
3.

What is the total variation of a flow variable (Φ) at a particular time step t?

A. TVt=∏iΦi+1-Φi
B. TVt=∫n Φndn
C. TVt=∑iΦ(i+1)Φi
D. TVt=∑iΦ(i+1)Φi
Answer» E.
Discussion