Difference between revisions of "Archer"
From www.coria-cfd.fr
| Line 56: | Line 56: | ||
== NUMERICS == | == NUMERICS == | ||
| − | *Cartesian mesh | + | * Cartesian mesh |
| − | *Mac grid (velocities on cell boundaries) | + | * Mac grid (velocities on cell boundaries) |
| − | *WENO 5 scheme for convective terms, Adams Bashforth or RK3 or split algorithm in time | + | * WENO 5 scheme for convective terms, Adams Bashforth or RK3 or split algorithm in time |
| − | *Multigrid algorith for preconditionning Conjugate Gradient Method in Poisson equation solver | + | * Multigrid algorith for preconditionning Conjugate Gradient Method in Poisson equation solver |
| + | * Ghost Fluid method for variable discontinuities at the interface | ||
| + | * CLSVOF for mass conservation | ||
| + | |||
*MPI parallelization | *MPI parallelization | ||
5th order WENO schemes for advection terms | 5th order WENO schemes for advection terms | ||
Revision as of 08:50, 7 September 2012
OBJECTIVE: Liquid/Gaz Interface Simulations
| Describe the interface motion precisely | 
|
Level Set Method |
|---|
| Handle jump conditions at the interface | without artificial smoothing |
|
Ghost Fluid Method |
|---|
| Respect mass conservation |
|
VOF Method |
|---|
| Solve incompressible Navier Stokes equations |
|
Projection Method |
|---|
Archer is a 3D incompressible Navier Stokes solver with Level Set-Ghost Fluid-VOF coupling and MPI parallelization
NUMERICS
- Cartesian mesh
- Mac grid (velocities on cell boundaries)
- WENO 5 scheme for convective terms, Adams Bashforth or RK3 or split algorithm in time
- Multigrid algorith for preconditionning Conjugate Gradient Method in Poisson equation solver
- Ghost Fluid method for variable discontinuities at the interface
- CLSVOF for mass conservation
- MPI parallelization
5th order WENO schemes for advection terms
GFM
CLSVOF
MGCG to solve pressure poisson equation
Turbulent jet
