InterVal-3D Program for Gas Dynamic Quantities Transfer between 3D Arbitrary Computational Grids
The paper deals with the problem of data transfer from one arbitrary 3D computational grid to another using InterVal-3D program for the global remapping of the grid values of quantities. This problem arises not only with the use of several mathematical techniques for the numerical simula- tion of a problem, but also within one technique, if the computational grid modiﬁcation is required for further simulations. The paper describes the fundamental remapping principles of InterVal-3D, algorithms and methods used to provide the required accuracy of remapping. The user’s interface and functional capabilities of the program that allow taking into account the speciﬁc features of various techniques are presented. The program can be operated either on a personal computer, or a distributed-memory multi- processor. Its implementation in practice is shown by the example of several problems with spatial computational grids of different types.