Computational Fluid Dynamics Aptitude Test Online Exam Quiz
Computational Fluid Dynamics Aptitude Test GK Quiz. Question and Answers related to Computational Fluid Dynamics Aptitude Test. MCQ (Multiple Choice Questions with answers about Computational Fluid Dynamics Aptitude Test
Which of these properties limit the time-step size in the explicit schemes?
Options
A : Convergence
B : Stability
C : Consistency
D : Error
Which of these may cause a problem to implicit schemes?
Options
A : Coupled equations
B : Partial differential equations
C : Non-linear equations
D : Linear equations
Implicit time-based problems will result in __________
Options
A : Coupled equations
B : Uncoupled equations
C : Linear equations
D : Non-linear equations
What is advantageous in implicit schemes?
Options
A : Error
B : Consistency
C : Convergence
D : Stability
The time-step size in explicit schemes depends upon _____________
Options
A : Grid size
B : Number of iterations
C : Total time interval
D : Given mathematical equation
Which of these schemes will lead to an implicit problem?
Options
A : Higher-order schemes
B : SIMPLE algorithm
C : High-resolution scheme
D : Crank-Nicolson scheme
Consider the one-dimensional heat conduction equation. Apply forward difference method to approximate time rate and central difference method to approximate x-derivative. The resulting equation is in _____________
Options
A : Implicit linear form
B : Explicit linear form
C : Explicit non-linear form
D : Implicit non-linear form
What is the main disadvantage of explicit schemes in a time-dependent problem?
Options
A : Marching solution
B : Simultaneous equations
C : Small time-step size
D : Small grid size
Which of these methods of solving a system of equations will be needed after using an explicit scheme?
Options
A : Sequential
B : Simultaneous
C : Iterative
D : Direct
Which of these is correct regarding implicit schemes?
Options
A : Truncation error is less
B : Computation time is more
C : Time-step size is small
D : Easy to set-up
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