Computational Fluid Dynamics Shear Stress Transport Model Online Exam Quiz

Computational Fluid Dynamics Shear Stress Transport Model GK Quiz. Question and Answers related to Computational Fluid Dynamics Shear Stress Transport Model. MCQ (Multiple Choice Questions with answers about Computational Fluid Dynamics Shear Stress Transport Model

The blending function is __________ at the wall and __________ in the far field.

Options

A : 0,?1

B : 0,??

C : 1,0

D : 1,?

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The ?k value used in the Shear Stress Transport model is ________

Options

A : -1

B : 1

C : 2

D : -2

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The turbulent kinetic energy production is limited to prevent the build-up of turbulence in __________ regions.

Options

A : far-field

B : near-wall

C : stagnation

D : trailing

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Which of these statements holds true regarding the Shear Stress Transport model?

Options

A : In the near-wall region, the k-? model is transformed into k-? model

B : In the near-wall region, the standard k-? model is used

C : In regions far from the wall, the k-? model is transformed into k-? model

D : In regions far from the wall, the k-? model is used

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Which of these problems may occur because of the hybrid nature of the Shear Stress Transport model?

Options

A : Non-linearity

B : Inconsistency

C : Numerical instability

D : Inaccuracy

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Which of these is unmodified for the Shear Stress Transport model and the k-? model?

Options

A : Reynolds stress calculation and the k-equation

B : Reynolds stress calculation and the ?-equation

C : The k-equation and the ?-equation

D : Reynolds stress calculation, the k-equation and the ?-equation

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A limiter is imposed on _________ to improve the performance in adverse pressure gradients and wake regions.

Options

A : the Reynolds number

B : the eddy viscosity

C : the k-value

D : the ?-value

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When compared to the standard ?-equation, the transformed ?-equation has _________

Options

A : the same number of terms

B : an extra dissipation term

C : two extra source terms

D : an extra source term

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The Shear Stress Transport model is a hybrid of _________

Options

A : the standard k-? model and the k-? model

B : the standard k-? model and the RNG k-? model

C : the realizable k-? model and the RNG k-? model

D : the realizable k-? model and the k-? model

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The blending function used in the Shear Stress Transport model is a function of _____________

Options

A : Turbulent kinematic viscosity, the ratio of turbulence and distance from the wall

B : Turbulence Reynolds number, turbulent kinematic viscosity and distance from the wall

C : Turbulence Reynolds number, the ratio of turbulence and turbulent kinematic viscosity

D : Turbulence Reynolds number, the ratio of turbulence and distance from the wall

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