a) second-order and first-order b) first-order and second-order c) second-order and second-order d) second-order and third-order Answer: c Explanation: ...
View QuestionThe order of accuracy of the ADI scheme in the time direction is ___________
a) third-order b) fourth-order c) first-order d) second-order Answer: d Explanation: The truncation error of the ADI scheme ...
View QuestionIf 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 Answer: d Explanation: In the ...
View QuestionThe 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 Answer: c Explanation: The ...
View QuestionWhich 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 ...
View QuestionThe intermediate step of the ADI scheme is at __________
a) t+\(\frac{\Delta t}{3}\) b) t+\(\frac{\Delta t}{2}\) c) t-\(\frac{\Delta t}{2}\) d) t+\(\frac{\Delta t}{4}\) Answer: b Explanation: ...
View QuestionHow many steps does the Alternating Direction Implicit (ADI) scheme involve?
a) One step b) Two steps c) Three steps d) Four steps Answer: b Explanation: The whole process is ...
View QuestionWhich 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 ...
View QuestionI have to model a simple rectangular wing for my experimental aircraft testing a new technology on it. I have to choose an airfoil among the ten options given for my wing which would give the best aerodynamic performance. Suggest the best method to test and fix one airfoil.
a) CFD analysis b) Literature c) Wind tunnel models d) Calculations Answer: a Explanation: This is an optimization case. ...
View Question____________ of a mathematical model is a limitation to CFD.
a) Reliability b) Accuracy c) Solvability d) Validity Answer: d Explanation: Validity of a mathematical model is ...
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