Lecture 35 of 39Introduction to CFD
Multigrid method - final, Parallel Computing
Prof. M. Ramakrishna · IIT Madras
Credits and licence
- From
- Introduction to CFD, IIT Madras (at NPTEL)
- Licence
- CC BY-NC-SA, as NPTEL states it. Non-commercial use only.
- Attribution
- NPTEL states: "Distributed under Creative Commons Attribution-ShareAlike / CC BY - NC - SA", beside a BY-NC-SA badge.
- Who can watch
- Tweens profiles and older. How courses are placed
All the lectures
- Introduction, Why and how we need computers
- Representing Arrays and functions on computers
- Representing functions - Box functions
- Representing functions - Polynomials & Hat functions
- Hat functions, Quadratic & Cubic representations
- Demo - Hat functions, Aliasing
- Representing Derivatives - finite differences
- Finite differences, Laplace equation
- Laplace equation - Jacobi iterations
- Laplace equation - Iteration matrices
- Laplace equation - convergence rate
- Laplace equation - convergence rate Continued
- Demo - representation error, Laplace equation
- Demo - Laplace equation, SOR
- Laplace equation - final, Linear Wave equation
- Linear wave equation - Closed form & numerical solution, stability analysis
- Generating a stable scheme & Boundary conditions
- Modified equation
- Effect of higher derivative terms on Wave equation
- Artificial dissipation, upwinding, generating schemes
- Demo - Modified equation, Wave equation
- Demo - Wave equation / Heat Equation
- Quasi-linear One-Dimensional. wave equation
- Shock speed, stability analysis, Derive Governing equations
- One-Dimensional Euler equations - Attempts to decouple
- Derive Eigenvectors, Writing Programs
- Applying Boundary conditions
- Implicit Boundary conditions
- Flux Vector Splitting, setup froms averaging
- Roes averaging
- Demo - One Dimensional flow
- Accelerating convergence - Preconditioning, dual time stepping
- Accelerating convergence, Intro to Multigrid method
- Multigrid method
- Multigrid method - final, Parallel Computing
- Calculus of Variations - Three Lemmas and a Theorem
- Calculus of Variations - Application to Laplace Equation
- Calculus of Variations -final & Random Walk
- Overview and Recap of the course