Lecture 9 of 'Advanced Numerical Methods' (wi4212)

• The following subjects are discussed:
  
  
  • initial, boundary value problem
  • virtual points, ghost cells
  • outflow boundary condition, inflow boundary condition
  • acoustic system, non reflecting boundary conditions
  • constant, linear extrapolation
  • incoming waves, outgoing waves
  • fixed wall, oscilating wall
    
    
  Corresponding sections in the book: Chapter 7
  
  
• Exercises 7.1 and 7.2 can be made.
  
  
• Additional information
  
  
  • Animation of some results from Chapter 7.