Computational Fluid Dynamics First Order Finite Volume Schemes Online Exam Quiz
Computational Fluid Dynamics First Order Finite Volume Schemes GK Quiz. Question and Answers related to Computational Fluid Dynamics First Order Finite Volume Schemes. MCQ (Multiple Choice Questions with answers about Computational Fluid Dynamics First Order Finite Volume Schemes
The first-order implicit Euler schemes to discretize the transient term creates ________
Options
A : cross-flow diffusion
B : cross-diffusion
C : numerical anti-diffusion
D : numerical diffusion
Which of these changes should be made in the semi-discretized equation to get the fully discretized equation?
Options
A : Express the face values in terms of the neighbouring face values
B : Express the face values in terms of the cell values
C : Express the cell values in terms of the face values
D : Express the cell values in terms of the neighbouring cell values
When the first-order implicit Euler scheme is unconditionally stable, the solution is ________
Options
A : stationary for large time-steps
B : oscillatory for large time-steps
C : stationary for small time-steps
D : oscillatory for small time-steps
If the first-order implicit Euler scheme is used, the value at t+?t/2 is replaced by the value at _________
Options
A : t
B : t-frac{Delta t}{2}?t2
C : t+?t
D : t-?t
According to the first-order explicit Euler scheme, the value at time-step t-frac{Delta t}{2} is approximated to be equal to the value at __________
Options
A : t+frac{Delta t}{2}
B : t
C : t-?t
D : t+?t
The discretization of the transient term using the finite volume approach is more like the spatial discretization of __________
Options
A : the convection term
B : the diffusion term
C : the source term
D : the anti-diffusion term
The numerical diffusion and numerical anti-diffusion terms are equal for the first-order Euler scheme are equal in magnitude when __________
Options
A : the courant number of diffusion is equal to one
B : the courant number of diffusion is equal to two
C : the courant number of convection is equal to one
D : the courant number of convection is equal to two
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