Advance Computational Fluid Dynamics — Winter 2023

Distinguish between incompressible and compressible flows.

Explain in brief about CFD and its application.

Explain the steps for CFD Pre-porcessing and Post Processing.

Define Multi block structured grid generation.

Explain in brief about Unstructured Grid generation.

Explain in detail about finite difference and finite volume method.

Explain in detail about Elliptic, Parabolic and Hyperbolic partial differential equations.

Enlist the factors affecting the grid.

Explain in brief about Bowyer Algorithm.

Discuss an implicit and Explicit approach.

What is Adaptive grid?

Explain in brief about the difference between Structured and Unstructured grid.

Explain in detail about the different boundary conditions applied to fluid flow domain.

What is turbulence flow?

Explain in brief about characteristics and important features of turbulent flow.

Derive Reynolds average Navier stokes (RANS) equation.

What do you mean by Mixing length model?

Discuss advantages and disadvantages of k-ԑ turbulent model.

Discuss in detail about the necessity of turbulence modeling.

How does CFD code works?

Explain in brief Homogeneous turbulence and isotropic turbulence.

Explain Pressure based solver and Density based solver.

Explain in brief about basics of Reynolds stress model (RSM).

Discuss about importance of Eddy viscosity model in CFD field.

Explain in detail about Structure of CFD code.