News & Events

Big Wave CFD

An aerospace engineer at CRAFT Tech has collaborated with a surfboard designer in California to improve big wave performance of surfboards.

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ASME Turbo Expo 2016: June 13-17, Seoul, South Korea

Paper entitled: LES Predictions of Jet Noise for a Pylon-Mounted Dual Stream Nozzle and Jet Surface Interactions Authors: Patrick Vogel, Jonghoon Bin and Neeraj Sinha An end-to-end LES/FW-H noise prediction model has been demonstrated and validated with acoustic and flowfield data from a dual stream nozzle with pylon experiment conducted at NASA GRC using […]

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RPFM Release 5.5.0

The next version of RPFM is now available!  Release Notes for version 5.5 are below: Allow user to choose any number of processors Grid based load-balancing for multi-processor runs Improvements to stability and convergence of high altitude extensions up to 250km Overhaul of converter for IR analysis Better utilization of SPURC3 features(NLTE variables, UVW for […]

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CRAFT Tech Wins ANSYS 2016 Hall of Fame Competition

Combustion Research and Flow Technology, Inc. (CRAFT Tech) was just named a corporate winner of the 2016 Hall of Fame Competition by ANSYS. Dr. William Calhoon of our Huntsville office led the project to develop an advanced, computationally efficient turbulent combustion model for large-eddy simulation (LES) of aircraft and power system gas turbine combustors. For […]

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2015 Propulsion Energy Conference

Several representatives from CRAFT Tech will be participating and presenting at the 51st AIAA/SAE/ASEE Joint Propulsion Conference, July 27-29 in Orlando, Florida. Dr. Vineet Ahuja will be chairing the Propellant Storage and Management sessions I and II on Monday and Wednesday. Dr. Kevin Brinckman will present “Impinging Fuel Injector Atomization and Combustion Modeling” on Monday, […]

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Turbulent Combustion Modeling Featured on Ansys Guest Blog

CRAFT Tech was recently tasked by its customers to develop an LES turbulence — chemistry interaction subgrid model to capture local extinction and blow-out effects that satisfied the following requirements: the model should be portable to commercial CFD flow solvers, and the model should be tractable for routine application within a system design cycle environment. […]

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LES CFD simulation to predict extinction of partially premixed Sandia methane-air flame F

Turbulent Combustion Modeling

Dr. William Calhoon from our CRAFT Tech office in Huntsville, AL has recently developed an advanced, computationally efficient turbulent combustion model for large-eddy simulation (LES) of aircraft and power system gas turbine combustors.  This new formulation is designed to capture local flame extinction and global flame blow-out effects, thereby enabling improved predictions of lean blow-out […]

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Six degree-of-freedom (6DOF) unsteady CFD simulation of flat plate moving through domain using cell cutting

Rarefied Flow Simulation With 6DOF Motion

CRAFT Tech has been involved in rarefied flow simulation for over a decade. Our most recent work has pushed the state-of-the art to include six degree-of-freedom (6DOF) motion. Utilizing our in-house Direct Simulation Monte Carlo (DSMC) solver, we can now perform simulations of unsteady rarefied flow phenomena and their subsequent effect on objects. Rather than […]

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