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 flux limiter Ψ(r) of the second-order upwind scheme is __________

A. r2
B. \(\frac{1}{2}r\)
C. 2r
D. r
Answer» E.
Discussion
2.

Find the normalized functional relationship between φf and φC for a uniform grid while using the second-order upwind scheme?

A. \(\tilde{\phi_f}=\frac{1}{2}\tilde{\phi_C}\)
B. \(\tilde{\phi_f}=-\frac{1}{2}\tilde{\phi_C}\)
C. \(\tilde{\phi_f}=\frac{3}{2}\tilde{\phi_C}\)
D. \(\tilde{\phi_f}=-\frac{3}{2}\tilde{\phi_C}\)
Answer» D. \(\tilde{\phi_f}=-\frac{3}{2}\tilde{\phi_C}\)
Discussion
3.

What is the first term in the truncation error of the second-order upwind scheme?

A. (Note: φP is the flow variable at the central node).
B. \(-\frac{3}{8}(\Delta x)^2 \phi_P”’\)
C. \(-\frac{3}{8}(\Delta x) \phi_P”’\)
D. \(-\frac{3}{8}(\Delta x)^2 \phi_P”\)
E. \(-\frac{3}{8}(\Delta x) \phi_P”\)
Answer» B. \(-\frac{3}{8}(\Delta x)^2 \phi_P”’\)
Discussion