Q.1
Which of these is important while solving a system with implicit methods?
  • a) Linearizing the difference equation
  • b) Linearizing the partial differential equation
  • c) Normalizing the difference equation
  • d) Normalizing the partial differential equation
Q.2
How many steps does the Alternating Direction Implicit (ADI) scheme involve?
  • a) One step
  • b) Two steps
  • c) Three steps
  • d) Four steps
Q.3
Which of these statements is correct about the first step of the ADI scheme?
  • a) x-derivative is treated implicitly
  • b) y-derivative is treated implicitly
  • c) Time derivative is treated implicitly
  • d) Thomas algorithm is not used
Q.4
The second step of the ADI scheme is swept over __________ direction.
  • a) both the x and y
  • b) the x
  • c) the y
  • d) the time
Q.5
If there are N grid points in both the x and y-directions, how many times does the ADI scheme use the Thomas algorithm?
  • a) N/2
  • b) 2
  • c) N2
  • d) 2N
Q.6
The order of accuracy of the ADI scheme in the time direction is ___________
  • a) third-order
  • b) fourth-order
  • c) first-order
  • d) second-order
Q.7
The order of accuracy of the ADI scheme in the x and y-directions are __________ and __________
  • a) second-order and first-order
  • b) first-order and second-order
  • c) second-order and second-order
  • d) second-order and third-order
Q.8
The ADI scheme is particularly suitable for ____________ problems.
  • a) parabolic and elliptic
  • b) parabolic and hyperbolic
  • c) hyperbolic
  • d) parabolic
Q.9
Which of these is a popular version of the ADI scheme?
  • a) Operator splitting
  • b) Approximate factorization
  • c) ALU algorithm
  • d) SIMPLE algorithm
0 h : 0 m : 1 s