Explore topic-wise MCQs in Computational Fluid Dynamics.

This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Computational Fluid Dynamics knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of these is a disadvantage of the Runge-Kutta method over the multipoint method?

A. Computational stability
B. Computational cost
C. Accuracy
D. Convergence
Answer» C. Accuracy
Discussion
2.

Consider an nth order accurate Runge-Kutta method. How many times is the derivative evaluated at the fourth time-step?

A. one time
B. two times
C. four times
D. n times
Answer» E.
Discussion
3.

The final corrector of the fourth-order Runge-Kutta method uses ___________

A. Midpoint rule
B. Backward Euler method
C. Simpson’s rule
D. Trapezoidal rule
Answer» D. Trapezoidal rule
Discussion
4.

The first two steps of the fourth-order Runge-Kutta method use __________

A. Euler methods
B. Forward Euler method
C. Backward Euler method
D. Explicit Euler method
Answer» B. Forward Euler method
Discussion
5.

How many predictor and corrector steps does the fourth-order Runge-Kutta method use?

A. Three predictor and one corrector steps
B. One predictor and three corrector steps
C. Two predictor and two corrector steps
D. One predictor and two corrector steps
Answer» D. One predictor and two corrector steps
Discussion
6.

The first two steps of the fourth-order Runge-Kutta method finds the value at which point?

A. At the (n+0.5)th point
B. At the (n+1)th point
C. At the (n-1)th point
D. At the nth point
Answer» B. At the (n+1)th point
Discussion
7.

How many steps does the fourth-order Runge-Kutta method use?

A. Two steps
B. Five steps
C. Four steps
D. Three steps
Answer» D. Three steps
Discussion
8.

Which of these correctors does the second-order Runge-Kutta method use?

A. Backward Euler corrector
B. Forward Euler corrector
C. Trapezoidal corrector
D. Midpoint rule corrector
Answer» E.
Discussion
9.

The second-order Runge-Kutta method uses __________ as a predictor.

A. backward order method
B. forward Euler method
C. midpoint rule
D. multipoint method
Answer» C. midpoint rule
Discussion