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Combustion Research and Flow Technology, Inc. (CRAFT Tech)
CRAFT Tech specializes in the simuation of Aeropropulsive and Combustive/Multiphase Flows for aerospace and commercial applications.
CRAFT CFD® Overview
- Structured grid Navier-Stokes(N-S) and Parabolized Navier Stokes (PNS) solver
- Generalized gas-phase thermodynamics for combusting and high-altitude non-equilibrium flows
- Fifth-order numerics for high fidelity LES simulations
- Advanced turbulence models including transition models
- Two-phase Solid particulate and droplet dispersed phase equations
- Emphasis on high-speed aero propulsive flows, blast / combustion problems, and missile /aircraft aerothermal / aeroacoustic problems
CRUNCH CFD® Overview
- Multi-element unstructured grid, all-speed Navier-Stokes code (from incompressible to supersonic flows)
- Emphasis on geometrically complex and or moving multi-body problems (advanced dynamic grid capabilities)
- Multi-phase capabilities for cavitating flows as well gas/liquid systems such as cryogenic tanks
- Generalized equations of state for real fluids including supercritical flows at high pressures, gas/liquid mixtures at subscritical pressures
- Emphasis on cryogenic and non-cryogenic liquid flow systems including turbopumps and feed systems, as well real fluid combustion at high pressures
- Benchmark calculations
CRISP CFD® Overview
- Operates in parallel on multi-element (hex, tet, prism, pyramid) grids for varied unstructured Navier-stokes (UNS) codes
- Automated interpolation to new grid and re-balancing of partitioned grids
- Adapts to grid quality and flow features for both steady and dynamic flows
- Coupled with CRUNCH CFD for transient applications
- Error quantification using Error Transport Equation (ETE), error function library, and Richardson extrapolation
- Automated, user-defined, or ETE source adaptation criteria
PDAC DSMC Overview
- Extended version of NASA DAC97 DSMC code for rarefied flows
- Hybrid continuum /DSMC interfacing along breakdown surface
- Particulate and Unsteady capabilities added for short duration problems (pulse jets, bursts/blasts)
AEGIS Toolkit Overview
- Able to generate complex interface surfaces to facilitate hybrid continuum/ rarefied simulation coupling
- Fully automated and robust surface generation procedures
- Ingest any continuum solution flowfield & export interface as triangulated surface elements
- Complex hard body interfacing using GNU Triangulated Surface (GTS) boolean operators
SIG3D Code Overview
- Extended version of SIRRM radiative transfer code for operation with multi-element UNS grids
- Fully parallelized with load balancing (Line of Sight (LOS) and G Flux
- Adaptive LOS distribution and generalized observer location and plume shape
CRAVE Overview
- CFD Validation Tool
- Web-driven database
- Automated pre and postprocessing
- Interface with multiple CFD codes
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