Increment: What's New in Version 8.2
In the beginning there is the User Interface. Now the
beginning is easier with a new graphic capability to interactively create
and modify geometry and meshing for single and multi-block grids. Converting
geometry into a form suitable for the FLOW-3D solver
has also been significantly improved with enhancements in the routines that interpret
stereolithography (STL) and Topographic data files. If your end is to impose
STL defined geometry onto a cylindrical grid, then that can also be done.
The list of physical models available in FLOW-3D has been stretched with the addition of an elastic-visco-plastic stress model. Using an incremental stress-strain approach, large deformation elastic stresses can be computed in a material up to a yield stress after which the material behaves as a viscous liquid.
Another moving addition consists of an electro-osmosis model for simulating the flow of fluids in micro-scale valves, pumps, and mixers. A hot new area is the growing of hot-spots into large, dynamic vapor bubbles. Models supporting this process, as well as general boiling and condensation, have been considerably improved.
Accurate communication is a problem in any language. New cell phone technology is helping to increase communication, although not necessarily accuracy. On the other hand FLOW-3D's, new interpolation scheme has increased the accuracy of cell communication between mesh blocks in a FLOW-3D grid. Multi-block computations exhibit improved stability, accuracy, and convergence properties over previous code versions. Tracking the roaming of free surfaces and two-fluid interfaces over grid cells has also been enhanced with the development of TruVOF, an improved method to evolve sharp interfaces in grids. With these advances it’s easy to see that FLOW-3D is ringing with increased value.