Related InterviewSolutions

• In sequential methods for solving coupled equations, except the variable for which the equations are solved, the other variables are treated as ___________(a) zeros(b) unknowns(c) known values(d) onesThe question was posed to me in quiz.Asked question is from Numerical Methods topic in section Numerical Methods of Computational Fluid Dynamics
• Errors are transferred from a fine grid to a coarser one. Similarly __________ is transferred from a coarse grid to a finer one.(a) residual(b) correction(c) restriction(d) prolongationThis question was addressed to me in homework.My doubt is from Numerical Methods topic in division Numerical Methods of Computational Fluid Dynamics
• Which of these errors need a multi-grid approach?(a) Low amplitude error(b) High amplitude error(c) Low frequency error(d) High frequency errorI got this question during a job interview.The doubt is from Numerical Methods in chapter Numerical Methods of Computational Fluid Dynamics
• The multi-grid approach is used to assist __________(a) iterative solvers(b) direct solvers(c) gradient solvers(d) pre-conditioned solversThe question was posed to me in final exam.Question is taken from Numerical Methods in section Numerical Methods of Computational Fluid Dynamics
• While using grid oriented velocity components, conservation of which of these equations will be lost?(a) Energy equation(b) Euler equations(c) Momentum equation(d) Continuity equationI got this question in homework.My query is from Numerical Methods in chapter Numerical Methods of Computational Fluid Dynamics
• A hybrid method of which of these methods exists?(a) Finite Difference Method and Finite Element Method(b) Finite Volume Method and Finite Difference Method(c) Finite Volume Method and Finite Element Method(d) Finite Volume Method and Spectral Element MethodI have been asked this question during an interview.The above asked question is from Numerical Methods in division Numerical Methods of Computational Fluid Dynamics
• Which of these establish a one-to-one relationship between two elements?(a) Face(b) Node(c) Vertex(d) ElementThis question was posed to me in my homework.I would like to ask this question from Numerical Methods topic in section Numerical Methods of Computational Fluid Dynamics
• For an algebraic multi-grid approach, the residual in the k^th level is __________(a) residual in the (k+1)^th level(b) summation of the residuals in the (k)^th level(c) residual in the (k-1)^th level(d) summation of the residuals in the (k-1)^th levelI got this question in final exam.The question is from Numerical Methods topic in chapter Numerical Methods of Computational Fluid Dynamics
• Consider the global matrix AΦ=b. Let the coefficient matrix A=M-N. At the i^th iteration, the general form can be given as ______________ (Note: Φ^i is the value of Φ in the i^th iteration).(a) MΦ^i=NΦ^i-1+b(b) MΦ^i=NΦ^i+b(c) MΦ^i=NΦ^i-1-b(d) MΦ^i=NΦ^i-bI got this question in an interview for internship.Query is from Numerical Methods topic in division Numerical Methods of Computational Fluid Dynamics
• Which of these grids are called Chimera grids?(a) Structured grids with overlapping blocks(b) Block-structured grids(c) Block-structured grids with overlapping blocks(d) Structured gridsThe question was asked in a job interview.My doubt is from Numerical Methods topic in section Numerical Methods of Computational Fluid Dynamics