Public Software



Kenji Ono, Masako Iwata

Outline of functionality

Simulates unsteady three-dimensional incompressible thermal flow, which is implemented on Flow Bass class and V-Sphere.


Shape approximation : Cube approximation
Variable arrangement: collocated
Discretization: Finite Volume Method/ Finite Difference Method
Time integral scheme: Euler Explicit Method, Modified Euler (Runge-Kutta Type)
Spatial scheme: First-ordered upwind, Third-ordered MUSCL
Algorithm: Fractional Step Method
Iteration Method: Jacobi, SOR, Multicolored SOR
Restart function
Time average operation
File output: sph format, history function
Outer boundary condition: fixed/moving wall, inflow, outflow, periodic, symmetric, and traction free
Inside boundary condition: wall, specified velocity, outflow, partially periodic, pressure loss, porous
Temperature boundary condition: insulation, heat conduction, heat transfer, radiation, heat flux, isothermal
Parallelized libraries: mpich, mpich2, OpenMPI
Parallelization: equal parts
Intrinsic Problem: Cavity flow, etc.

System Requirements

・Intel IA32/Intel64/IA64/Intel compatible CPU
・PowerPC, BlueGene/L
・SGI Altix

Relationship with other VCAD software and etc.

V-Sphere::CBC allows us to calculate flows on mussively parallel computers using a voxel model.

Program Copyright Registration No.

P No. 9725-1