Computational Fluid Dynamics Multiple Choice Online Exam Quiz
Computational Fluid Dynamics Multiple Choice GK Quiz. Question and Answers related to Computational Fluid Dynamics Multiple Choice. MCQ (Multiple Choice Questions with answers about Computational Fluid Dynamics Multiple Choice
What is the other name of the top-hat filter?
Options
A : Cross filter
B : Cube filter
C : Box filter
D : Square filter
Which of these filters is commonly used in FVM models?
Options
A : Gaussian filter
B : Top-hat filter
C : Spectral cut-off filter
D : Gaussian and spectral cut-off filter
LES uses _____________
Options
A : spatial filtering
B : time averaging
C : ensemble averaging
D : reynolds averaging
What does SGS stress stand for?
Options
A : Sub-grid-scale stress
B : Suitable-grid-scale stress
C : Suitable-grey-scale stress
D : Sub-grey-scale stress
LES is preferred when _____________
Options
A : the flow is compressible
B : the flow has a high Reynolds number
C : the flow is turbulent
D : the flow has heat transfers
In FVM methods, cut-off width depends on ____________
Options
A : the PDE
B : the algebraic equation
C : the grid-size
D : the discretization method
The cut-off width dependent on the finite volume grid size is equal to _____________
Options
A : the square of the grid cell volume
B : the cube of the grid cell volume
C : the square root of the grid cell volume
D : the cube root of the grid cell volume
Which of these will not come under the types of filter functions used by the LES model?
Options
A : Top-hat filter
B : Leonard filter
C : Gaussian filter
D : Spectral cut-off
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