Ansys Forte fluid-dynamics software specializes in the simulation of combustion processes in an internal combustion engine, using a highly efficient coupling of detailed chemical kinetics, liquid fuel spray and turbulent gas dynamics. An Ansys Forte simulation solves the full Reynolds-averaged Navier-Stokes (RANS) equations with well established flow turbulence models. Differentiated from other CFD software, however, the Ansys Forte CFD simulation package employs advanced spray models that dramatically reduce grid-resolution requirements and time-step dependencies of simulations. Ansys Forte software also introduces an innovative, advanced chemistry solver module. This capability enables the direct use of reaction mechanisms containing hundreds of chemical species with simulation times usually associated with mechanisms that are orders of magnitude smaller. Combining the advanced chemistry solver and the multi-component fuel vaporization models opens the door to simulation of realistic fuel surrogates in 3-D engine models. In using these advanced fluid models, you have the choice of employing automatic, on-the-fly mesh generation or state-of-the-art mesh-moving algorithms with pre-generated body-fitted meshes. A sector-mesh generator, included in Ansys Forte, facilitates simulation of symmetric systems using the body-fitted mesh-movement approach. Finally, in addition to the modeling capabilities, the Ansys Forte User Interface provides a guided user experience for setup and simulation.

This manual provides an overview of the User Interface and workflow, as well as a high-level view of the model options. The Forte Quick Start Guide provides detailed instructions for a sample problem to help you get started using Ansys Forte. To access a product's documentation and tutorials, visit the Ansys Help site. The tutorial files give examples of a variety of problems, including spark, spray, and diesel lessons, and links to third-party applications, such as GT-SUITE. More detail on the modeling approach is available in the Ansys Forte Theory Manual.