Computational Fluid Dynamics Turbulence Modelling Online Exam Quiz
Computational Fluid Dynamics Turbulence Modelling GK Quiz. Question and Answers related to Computational Fluid Dynamics Turbulence Modelling. MCQ (Multiple Choice Questions with answers about Computational Fluid Dynamics Turbulence Modelling
Which among these techniques is the first one invented for solving turbulent flows?
Options
A : DNS
B : LES
C : RANS
D : FANS
What is the expansion of FANS method?
Options
A : Favre Averaged Navier-Stokes equations
B : Fully Averaged Navier-Stokes equations
C : Favre Averaged Numerical Simulation
D : Fully Averaged Numerical Simulation
Which of these correct about the LES method?
Options
A : Navier-Stokes equation is not needed
B : Small turbulent models are directly simulated
C : Sub-grid scale models are used for small turbulent scales
D : Sub-grid scale models are used for large turbulent scales
Which of these methods is not used for turbulence modelling?
Options
A : RANS
B : SIMPLE
C : DNS
D : LES
Which of these methods use time-based averaging?
Options
A : Statistical averaging with DNS
B : DNS
C : LES
D : RANS
Which of these methods is invented to overcome the disadvantage of DNS technique?
Options
A : Temporal discretization
B : FANS
C : RANS
D : LES
What is the disadvantage of the DNS technique?
Options
A : Time averaging
B : Spatial averaging
C : Computationally demanding
D : Large time-steps
Which of these does not characterize a turbulent flow?
Options
A : Time-independent
B : Rapid mixing
C : Three-dimensional fluctuation
D : Unstable
The weight used to average time in FANS method is _________
Options
A : volume
B : mass
C : area
D : density
Which of these methods is used to overcome the high resolution of turbulent flows?
Options
A : Weighted average
B : Statistical analyses
C : Data analysis
D : Analytical method
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