Planned developments

GRESSIER Jérémie — 2009-06-03T12:00:00Z

Here is a non exhaustive list of short term planned developments.

Core project

Feature	Assigned developer	Status
Periodic boundary conditions	J. Gressier	done
Normalized residuals	J. Gressier	done
Probe history based of volumic data	J. Gressier	done
End of computation with total number of iterations
Memory efficient splitting method
Vectorisation of symbolic functions	J. Gressier

CFD tools

Feature	Assigned developer	Status
Face based tags in cgns reading	J. Gressier	open
internal mesh format	J. Gressier

Navier-Stokes solver

Feature	Assigned developer	Status
Source terms (gravity)
SVM viscous flux	O. Chikhaoui
SVM TVD/TVB limitation	O. Chikhaoui
Axisymmetric solver

Heat transfer solver

Feature	Assigned developer	Status

Developers

GRESSIER Jérémie — 2009-05-24T13:30:00Z

Project Administrators

J. Gressier

Main Developers

J. Gressier (ISAE)
G. Grondin (ISAE)

Contributors

O. Chikhaoui (SVM)
A. Gardi (MRF, ALE)
G. Lavalle (axisymmetric source terms)
E. Radenac (as PhD student)
Praveen
H. Gagnon
A. Blay, J. Rodriguez, N. Morbieu, M. Betoule (as Supaero students)

Change log

GRESSIER Jérémie — 2009-05-10T19:00:00Z

release 0.5.0 (r632) 2009/03/10

NS Spectral Volume Method (3rd & 4th order, VTK output) (r602-603,618-619,624-625)
NS Kinetic flux function (EFM/KFVS) (r631) and Rusanov flux (r612)
NS Post-limitation (Barth, Monotonic) (r610,623)
Mesh SVM-like mesh splitting (r618-619,624-625)
KDIF Unsteady non uniform boundary conditions (symbolic functions) (r601)
KDIF Implicitation of Flux and Thermal conditions (r612)
KDIF Inverse boundary condition solver (r606,607,609,613-615,617,620)
Core GMRES solver (NS or KDIF) (r627)
Core Improvement of memory management (r621)
Input Improve CGNS reading (r601)
Core translations of comments (r627)
Core generalized element connectivity (r602)
Ouput remove NODE based Tecplot output (r602)

release 0.4.0 (r600) 2008/03/21

NS Spectral Volume Method (2nd order) (r597-599)
NS Runge Kutta integration (RK2, RK3-SSP) (r592,594)
NS Miscellaneous initialization modes (r591,594)
Mesh SVM2QUAD splitting for all methods (r589-590)
MPI portage (r576,578)
Input Improve CGNS reading (unused marks, volume marks) (r590-591)
Input Intel fortran 9.1 portage (CGNS reading) (r593)
Ouput Screen outputs enhancement (r582,586)
Ouput Miscellaneous translations (r570-575,577)
Core tree/list structure of unstructured grids (r562)

release 0.3.2 (r559) 2007/02/06

NS Basic MUSCL method (MUSCL-UNS)
NS Initialization with symbolic functions
NS Initialization with optional static/total pressure or temperature, Mach/velocity
NS Moving wall boundary condition (WALL_VELOCITY)
NS Viscous flux implicitation
Output Binary VTK (VTK-BIN)
Core Automatic system configuration
Core Automatic non regression test cases

release 0.3.1 (r479) 2006/08/26

NS Kim's 3rd order limiter extended to MUSCL method
Output display CPU time
Output enhanced outputs and options (periodic, etc)
Core external stop of computation (file stop_typhon)
Core CPU optimization (20% for explicit second order NS computation)
Core symbolic computation library
MESH can use long file names
MPI Bug correction in automatic splitting

release 0.3.0 (r406) 2006/03/05

MPI automatic mesh splitting (Metis)
MPI NS first order computation (up to 20 procs at least)
MPI NS second order computation (slightly different results at interfaces)
MPI Unsteady synchronization

release 0.2.2 2006/01/16

Opt optimization of CPU cost for gradient optimization (nearly 50%)
NS Fast MUSCL method (for high quality meshes)
NS Kim's 3rd order limiter (only for Fast MUSCL method)
NS test of internal energy positivity (output of bad cell index if not positive)
Core ensure local time stepping bounded to cycle time step

release 0.3 RC 1 2005/11/06

MPI automatic mesh splitting (Metis)
MPI NS first order computation (up to 20 procs)
MPI Unsteady synchronization

release 0.2.1 13/10/2005

MESH scaling function
NS features constant dynamic viscosity
NS features linear dynamic viscosity
NS initialization with a file
KDIF initialization with a file
NS improved subsonic outlet condition (enforce pi>= p)
NS features Implicit jacobian matrices for HLL fluxes (diagonal equivalent)
NS improved MUSCL method
NS features non-uniform thermal boundary conditions
NS improved heat flux boundary condition at wall
core Navier-Stokes/Heat transfer coupling
NS CFL computation for unsteady problems

release 0.2.0 04/09/2005

MESH scaling function
NS features constant dynamic viscosity
core Implicitation program structure reorganised (include ghost cells)
KDIF features BiCG, BiCG-Jacobi, CGS iterative inversion methods (DLU structure)
KDIF improved adiabatic boundary condition
NS features BiCG-Stab iterative inversion method (block-DLU structure)
NS changed symmetry boundary condition (ghost cell is now really symmetric: improved hypersonic flows)
NS features (validation) Viscous stress tensor (laminar flows), Sutherland law
NS features increasing CFL number with convergence (bounded by CFL_MAX parameter)
NS MUSCL interpolation for second order accuracy
NS features non-uniform thermal boundary conditions
NS improved heat flux boundary condition at wall
core Navier-Stokes/Heat transfer coupling

release 0.1.7 08/07/2005

core introduces User Defined Functions (UDF) through user-made fortran functions
KDIF features radiating boundary condition
KDIF features radiative coupling with view factors (simplified)
KDIF features anisotropic material (only UDF)
KDIF features boundary parameters temporal interpolation (via UDF)
NS features HLLC upwind scheme (ability for viscous flows)
NS features Viscous stress tensor (laminar flows)
OUTPUT can write boundary condition face centers
OUTPUT can write unsteady results on boundaring family

release 0.1.6 10/12/2004

NS MUSCL interpolation for 2nd order computations
GUI Plot residuals for only one zone
OUTPUT Residuals in monres.nnn file

release 0.1.5 05/08/2004

NS Inviscid solver released, HLLE first order upwind scheme
NS boundary conditions: subsonic and supersonic inlet and oulet
NS boundary conditions: symmetry
OUTPUT VTK format for scalars and vectors (NS only)

release 0.1.4 01/07/2004

known bug computation of 3D meshes with QUAD face cells
MESH CGNS files: TRI/QUAD 2D meshes, TETRA/PRISM 3D meshes
KDIF boundary conditions: convection h(T-Tref)
KDIF Implicit time integration (direct LU or Iterative Jacobi)
OUTPUT VTK format for scalars and vectors (NS only)

release 0.1.3 08/04/2004

known bug computation of gradients
MESH CGNS files: 2D meshes of TRI cells
MZONE KDIF/KDIF coupling
MZONE Computation of conformal connections of faces between zones

release 0.1.2 15/10/2003

INPUT Manage stationnary computations by residual criteria
core Computation of gradients by least mean square method
core CPU optimization
KDIF extended flux interpolation
KDIF Fourier based timestep computation

release 0.1.1 01/08/2003

OUTPUT TECPLOT files, vertex based solution (QUAD) and connectivity

release 0.1.0 01/07/2003

MESH CGNS files: unstructured 2D mesh of QUAD cells
KDIF Heat transfer solver released
KDIF constant conduction coefficient
KDIF explicit temporal integration with global time step
KDIF simplified flux interpolation
KDIF boundary conditions: isothermal and adiabatic
OUTPUT TECPLOT files, cell centered solution

Development