Computational Fluid Dynamics Mock Test 4

10%

Question 1 of 10

1. Which of these methods is usually conservative?

Finite Volume Method

Iterative Method

Finite Element Method

Finite Difference Method

Question 1 of 10

Question 2 of 10

2. Preconditioners improve ____________ of the coefficient matrix.

spectral properties

rank

sparsity

Singularity

Question 2 of 10

Question 3 of 10

3. The mathematical model is based on ____________

flow model and assumptions

physical principles and assumptions

flow model

physical principles

Question 3 of 10

Question 4 of 10

4. When coupled equations are ___________ sequential solutions are used.

non-linear and uncoupled

linear and highly coupled

non-linear and highly coupled

linear and uncoupled

Question 4 of 10

Question 5 of 10

5. Which of these is related to the flux terms?

Element connectivity

Vertex connectivity

Node connectivity

Face connectivity

Question 5 of 10

Question 6 of 10

6. Which of these points is shared by the maximum number of elements?

Vertex

Face centre

Cell centre

Grid point

Question 6 of 10

Question 7 of 10

7. Which is the first step in the numerical solution of a fluid flow problem?

Mathematical model of the flow

Iteration

Discretization

Physical model of the flow

Question 7 of 10

Question 8 of 10

8. Which of these is true for the LU decomposition method?

Φ=LUb

LUΦ=b

LΦ=Ub

UΦ=Lb

Question 8 of 10

Question 9 of 10

9. Which of these is related to the transportiveness?

Reynolds number

Peclet number

Nusselt number

Courant number

Question 9 of 10

Question 10 of 10

10. To obtain the derivatives of the variables with respect to the coordinates, which of these approximations are used in the Finite Difference Method?

Taylor series and Fourier series

Taylor series and interpolation

Fourier series and polynomial fitting

Taylor series and polynomial fitting

Question 10 of 10