OpenFOAM
OpenFOAM is the free, open-source CFD software developed primarily by OpenCFD Ltd since 2004. It has a large user base across most areas of engineering and science, from both commercial and academic organizations. OpenFOAM has an extensive range of features to solve anything from complex fluid flows involving chemical reactions, turbulence and heat transfer, to acoustics, solid mechanics and electromagnetics. OpenFOAM is professionally released every six months to include customer-sponsored developments and contributions from the community. It is independently tested by ESI-OpenCFD's application specialists, development partners and selected customers, and supported by ESI's worldwide infrastructure, values and commitment. Quality assurance is based on rigorous testing. The process of code evaluation, verification and validation includes several hundred daily unit tests, a medium-sized test battery run on a weekly basis, and a large industry-based test battery-run.
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AGVortex
AGVortex is the CAE program for mathematical modelling of fluid and gas flows around airfoils. Here is implemented innovational solver based upon vorticity dynamics. This approach allows to resolve LES turbulence model on the multi-core processors and clusters that use parallel computing. But it needs much less computing power.
Fewer number of equations and unknown functions in flow dynamics gives a gain in calculation process and imposes lower requirements for the computational resources. So, technologically, 3D modelling using LES turbulence model is possible today.
An application consists of 3D editor, control panel, modeling area. The planned improvements: new solid types, turbulence models based upon vorticity .
The trial version has limitations on the size of the grid, maximum Reynolds number, restrictions in the settings.
System requirements: Win x64, vc++ redistributable, openGL drivers.
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Fire Dynamics Simulator (FDS)
Fire Dynamics Simulator (FDS) is a free, open source tools for modeling and visualizing fire-driven flows. FDS is a computational fluid dynamics code that numerically solves a form of the Navier–Stokes equations for low-speed, thermally driven flow, with particular emphasis on smoke and heat transport from fires. It uses large-eddy simulation to represent complex fire-plume dynamics and can be applied to scenarios involving fire, wind, sprinklers, ventilation, geometry, materials, and other conditions that influence fire behavior. Users define a scenario through text-based input files, run the calculation with FDS, and analyze the resulting data. It displays output from FDS and CFAST simulations using OpenGL-based 3D graphics and scientific visualization methods, including animated smoke and tracer particles, two- and three-dimensional shaded contours, iso-surfaces, temperature fields, and flow vectors showing direction and magnitude.
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EasyCFD
EasyCFD is a desktop computational fluid dynamics (CFD) application that brings geometry preparation, mesh generation, simulation and post-processing into one graphical environment. It supports two-dimensional and axisymmetric fluid flow and heat transfer, with structured and unstructured meshes and steady or transient calculations.
Users can model laminar and turbulent flow, conduction and conjugate heat transfer, scalar transport, multicomponent flow, and isotropic or anisotropic porous media. Turbulence options include Standard, RNG and Realizable k-ε, SST k-ω, Spalart–Allmaras and Transition k–kL–ω. Results can be examined using contours, vectors, streamlines, XY plots and statistics.
EasyCFD is primarily intended for CFD education and learning, and can also support research and initial engineering analysis. The website provides worked examples, video tutorials, a user manual and validation material. A fully functional 20-day trial is available.
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