Publications

The following papers contain results using Cobalt covering a wide range of applications.

2015 – Present

Simulation and Modeling of Rigid Aircraft Aerodynamic Responses to Arbitrary Gust Distributions
Ghoreyshi, Greisz, Jirasek and Satchell, http://www.mdpi.com/journal/aerospace, 18 April 2018
Grid Quality and Resolution Effects for Aerodynamic Modeling of Ram-Air Parachutes
Ghoreyshi, Bergeron, Seidel, Lofthouse and Cummings, Journal of Aircraft, Vol 53, No 4, July-August 2016
Virtual Flight Testing of High Performance Fighter Aircraft Using High-Resolution CFD
Ratcliff, Bodkin, Clifton and Willis, AIAA-2016-3854, Jun 2016
Canard-Wing Interference Effects on the Flight Characteristics of a Transonic Passenger Aircraft 
Harrison, Darragh, Hamlington, Ghoreyshi and Lofthouse, AIAA-2016-4179, Jun 2016
Evaluation of Reduced-Order Models for Predictions of Separated and Vortical Flows 
Darragh, Hamlington, Ghoreyshi and Lofthouse, AIAA-2016-4325, Jun 2016
Computational Aerodynamic Modeling for Flight Dynamics Simulation of Ram-Air Parachutes
Ghoreyshia, Bergeron, Jirásek, Seidel, Lofthouse and Cummings, Aerospace Science and Technology, Vol 54, Apr 2016
Vortical Flow Prediction of a Diamond Wing With Rounded Leading Edges
Ghoreyshi, Ryszka, Cummings and Lofthouse, Aerospace Science and Technology, Vol 57, Feb 2016
Evaluation of Dynamic Pressure-Sensitive Paint for Improved Analysis of Cavity Flows and CFD Validation 
Roberts, Stokes, Quinn, Coppin and Birch, AIAA-2016-0311, Jan 2016
Computational Analysis, Model Reduction, and Experimental Comparison of Model Scale Impinging Jets 
Crowell and Myers, AIAA-2016-0310, Jan 2016
CFD Calculation of Stability and Control Derivatives For Ram-Air Parachutes 
Ghoreyshi, Bergeron, Lofthouse and Cummings, AIAA-2016-1536, Jan 2016
Collaborative Evaluation of CFD-to-ROM Dynamic Modeling 
Ghoreyshi, Frink, van Rooij, Lofthouse, Cummings, Nayani, AIAA-2016-1077, Jan 2016
Development and Application of the SAFEDI Tool for Virtual Dynamic Interface Ship Airwake Analysis 
Polsky, Wilkinson, Nichols, Ayers, Perez and Davis, AIAA-2016-1771, Jan 2016
Simulation Validation of Static and Forced Motion Flow Physics of a Canard Configured TransCruiser 
Ghoreyshi, Korkis-Kanaan, Jirásek, Cummings and Lofthouse, Aerospace Science and Technology 48 (2016) 158–177, Nov 2015
Optimizing Extraction Parachute Operational Parameters
Charles, AIAA 2015-2102, Apr 2015
Simulation Validation of Static and Forced Motion Flow Physics of a Canard Configured TransCruiser
Ghoreyshi, Korkis-Kanaan, Jirásek, Cummings and Lofthouse, AIAA 2015-3426, Jan 2015
Grid Quality and Resolution Effects on the Aerodynamic Modeling of Ram-Air Parachute Canopies
Ghoreyshi, Bergeron, Seidel, Lofthouse and Cummings, AIAA 2015-0407, Jan 2015

2010 – 2014

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Unsteady Aerodynamic Modeling of Aircraft Control Surfaces by Indicial Response Methods
Ghoreyshi and Cummings, AIAA JOURNAL Vol. 52, No. 12, Dec 2014
Reduced Order Unsteady Aerodynamic Modeling for Stability and Control Analysis Using Computational Fluid Dynamics
Ghoreyshi, Jirásek and Cummings, Progress in Aerospace Sciences 71 (2014) 167–217, Sep 2014
Unsteady Aerodynamics Modeling for Aircraft Maneuvers: A New Approach Using Time-Dependent Surrogate Modeling
Ghoreyshi and Cummings, Aerospace Science and Technology 39 (2014) 222–242, Sep 2014
CFD Predictions of Control Effectiveness for a Generic Highly Swept UCAV Configuration
Coppin and Birch, AIAA 2014-AVT 201, Jun 2014
Prediction and Validation of Aerodynamic Characteristics for a Generic UCAV Configuration with Trailing-Edge Flaps
Young, Ghoreyshi, Jirásek and Cummings, AIAA 2014-2136, Jun 2014
Stability and Control Test and Evaluation Process Improvements through Judicious Use of HPC Simulations
Clifton, Ratcliff and Bodkin, DoD HPC User Group Conference Proceedings, Jun 2014
From Spreadsheets to Simulation-Based Aircraft Conceptual Design
Ghoreyshi and Cummings, Applied Physics Research Vol. 6, No. 3, Apr 2014
Verification and Validation of Reynolds-Averaged Navier-Stokes Turbulence Models for External Flow
Freeman and Roy, Aerospace Science and Technology 32 (2014) 84–93, Nov 2013
Transonic Aerodynamic Load Modeling of X-31 Aircraft Pitching Motions
Ghoreyshi, Cummings, Da Ronch and Badcock, AIAA JOURNAL Vol. 51, No. 10, Oct 2013
Determining the Stability and Control Characteristics of High-Performance Maneuvering Aircraft Using High-Resolution CFD Simulation with and without Moving Control Surfaces
Clifton, Radcliff, Bodkin and Dean, Jan 2013
CFD Calculation of Aerodynamic Indicial Functions for a Generic Fighter Configuration
Ghoreyshi, Post and Cummings, ITEA Journal 2012, 33: 348–364, Dec 2012
Validation of Ship Air Wake Simulations and Investigation of Ship Air Wake Impact on Rotary Wing Aircraft
Snyder, Kang, Brownell and Burks, ASNE Launch & Recovery Symposium Nov 2012
Can Legacy Codes Scale on Tens of Thousands of PEs or Do We Need to Reinvent the Wheel?
Tomaro, Strang and Wurtzler, DoD HPC User Group Conference Proceedings, Jun 2012
Transonic Aerodynamic Loads Modeling of X-31 Aircraft
Ghoreyshi, Post, Cummings, Da Ronch and Badcock, AIAA 2012-3127, Jun 2012
Unsteady Aerodynamics Modeling for Aircraft Maneuvers: A New Approach Using Time-Dependent Surrogate Modeling
Ghoreyshi and Cummings, AIAA 2012-3327, Jun 2012
Evaluation of Flow Solver Accuracy using Five Simple Unsteady Validation Cases
Green, Czerwiec, Cuerton, Lillian, Kernazhitskiy, Eymann, Torres, Bergeron and Decker , AIAA 2011-0029, Jun 2011

2005 – 2009

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High Resolution Simulation of Full Aircraft Control at Flight Reynolds Numbers (Challenge C2D)
Morton, McDaniel, Bergeron, Goertz, Cummings, Forsythe, Seidel and Squires, DoD HPC User Group Conference, Jun 2007
Prediction of the Flow Around a Golf Ball using Different Turbulence Models
Smith, Squires and Forsythe, AIAA Paper, Jan 2007
Efficient High Resolution Modeling of Fighter Aircraft with Stores for Stability and Control Clearance ·
Dean, Morton, McDaniel and Görtz,  AIAA-2007-1652, Jan 2007
F-16XL Unsteady Simulations for the CAWAPI Facet of RTO Task Group AVT-113
Morton, McDaniel and Cummings, AIAA Paper 2007-0493, Jan 2007
Analysis of Delta Wing Vortical Substructures Using Detached-Eddy Simulation
Mitchell, Morton, Forsythe and Cummings, AIAA JOURNAL, Vol. 44, No. 5, May 2006
Computational Aircraft and Armament Stability and ControlTechniques Applied to the F-16
Morton, Görtz, McDaniel and Dean, ITEA S&C, May 2006
A New Version of Detached-Eddy Simulation, Resistant to Ambiguous Grid Densities
Spalart, Deck, Shur, Squires, Strelets and Travin, Theor. Comput. Fluid Dyn. (2006) 20: 181–195, May 2006
Prediction of the Flow Around a Circular Cylinder at High Reynolds Number
Krishnan, Squires and Forsythe, AIAA-2006-0901, Jan 2006
Six Degree of Freedom Computation of the F-15E Entering a Spin
Forsythe, Strang and Squires, AIAA 2006-858, Jan 2006
Improvement of Delayed Detached-Eddy Simulation for LES with Wall Modelling
Travin, Shur, Spalart and Strelets, European Conference on Computational Fluid Dynamics, ECCOMAS CDF 2006
Computational Fluid Dynamics Study of Turbulence Modeling for an Ogive Using Cobalt Flow Solver and a 2N Tree-based Cartesian Grid Generator
Grove and Wang, AIAA 2005-1042, Jan 2005

2000 – 2004

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Multidisciplinary Applications of Detached-Eddy Simulation to Separated Flows at High Reynolds Number
Morton, Forsythe, Cummings, Squires, Kholodar, Billingsley, Wurtzler and Spalart, DoD HPC User Group Conference, Jun 2004
Topics in Detached-Eddy Simulation
Spalart, Jun 2004
Role of the Barrel Shock as Control Element for Hypersonic Transverse Jet Injection Flows
Srinivasan and Bowersox, AIAA 2004-2698, Jun 2004
Summary of the 2004 CFD Validation Workshop on Synthetic Jets and Turbulent Separation Control
Rumsey ,Gatski, Sellers, Vatsa and Viken,AIAA 2004-2217, Jun 2004
Calculations of Static and Dynamic Stability Derivatives of the F/A-18E in Abrupt Wing Stall Using RANS and DES
Forsythe, Freemaux and Hall, International Conference on Computational Fluid Dynamics, 2004
Detached-Eddy Simulation: Current Status and Perspectives
Squires, 2004
Prediction of Separated Flow Characteristics over a Hump Using RANS and DES
Krishnan, Squires and Forsythe, AIAA 2004-2224, Jun 2004
Prediction of the Flow over an Airfoil at Maximum Lift
Cummings, Morton and Forsythe, AIAA 2004-0259, Jan 2004
Detached-Eddy Simulation of Slat And Flap Aerodynamics for a High-Lift Wing
Cummings, Morton and Forsythe, AIAA 2004-1233, Jan 2004
Accurate Drag Prediction Using Cobalt
Wurtzler and Morton, AIAA 2004-0395, Jan 2004
Detached-Eddy Simulation of Full Aircraft Experiencing Massively Separated Flows
Morton, Forsythe, Squires and Cummings, The 5th Asian Computational Fluid Dynamics Conference, Oct 2003
Multidisciplinary Applications of Detached-Eddy Simulation to Separated Flows at High Reynolds Number
Morton, Steenman, Cummings, Forsythe, Wurtzler, Squires and Spalart, DoD HPC User Group Conference, Jun 2003
Computational Challenges in High Angle of Attack Flow Prediction
Cummings, Morton, Forsythe and Squires, Progress in Aerospace Sciences 39 (2003) 369–384, Jun 2003
High Resolution Computational Unsteady Aerodynamic Techniques Applied to Maneuvering UCAVs
Morton, Cummings, Forsythe and Wurtzler, CEAS Jun 2003
Computational Aerodynamics of the C-130 in Airdrop Configurations
Serrano, Leigh, Johnson, Forsythe, Morton and Squires, AIAA 2003-0229, Jan 2003
Detached Eddy Simulation of the Flow over an Axisymmetric Cavity
Viswanathan, Squires and Forsythe, AIAA 2003-0265, Jan 2003
Detached Eddy Simulation around a Forebody at High Angle of Attack
Viswanathan, Klismith, Squires and Forsythe, AIAA 2003-0263, Jan 2003
Prediction of a Prolate Spheroid Undergoing a Pitchup Maneuver
Kotapati-Apparao, Squires and Forsythe, AIAA 2003-0269, Jan 2003
Numerical Prediction and Wind Tunnel Experiment for a Pitching Unmanned Combat Air Vehicle
Cummings, Morton, Seidel and Bosscher, AIAA 2003-0417, Jan 2003
Understanding Abrupt Wing Stall With CFD
Woodson, Green, Chung, Grove, Parikh and Forsythe, AIAA 2003-0592, Jan 2003
Large and Detached Eddy Simulations of a Circular Cylinder Using Unstructured Grids
Hansen and Forsythe, AIAA 2003-0775, Jan 2003
Unsteady CFD Calculations of Abrupt Wing Stall Using Detached-Eddy Simulation
Forsythe and Woodson, AIAA 2003-0594, Jan 2003
Detached Eddy Simulation Over a Reference Ahmed Car Model
Kapadia, Roy and Wurtlzer, AIAA 2003-0857, Jan 2003
Recommendations for CFD Procedures for Predicting Abrupt Wing Stall
Woodson, Green, Chung, Grove, Parikh and Forsythe, AIAA 2003-0923, Jan 2003
Computation of Prescribed Spin for a Rectangular Wing and for the F-15E Using Detached-Eddy Simulation
Forsythe, Wentzel, Squires, Wurzler and Spalart, AIAA 2003-0839, Jan 2003
Computational Simulation and PIV Measurements of the Laminar Vortical Flowfield for a Delta Wing at High Angle of Attack
Cummings, Morton and Seidel, AIAA 2003-1102, Jan 20033
DES Grid Resolution Issues for Vortical Flows on a Delta Wing and an F-18C
Morton, Steenman, Cummings and Forsythe, AIAA 2003-1103, Jan 2003
Detached-Eddy Simulation of the Ground Transportation System
Maddox, Squires, Wurtzler and Forsythe, Dec 2002
Analysis of Full Aircraft with Massive Separation using Detached-Eddy Simulation
Squires, Forsythe, Morton, Blake, Serrano, Wurtzler, Strang, Tomaro and Spalart, DoD HPC USer Group Conference, June 2002
Assessment of Unstructured Grids for Detache-Eddy Simulation of High Reynolds Number Separated Flows
Morton, Forsythe, Squires and Wurrtzler, Proceedings of the Eighth International Conference on Numerical Grid Generation in Computational Field Simulations, Jun 2002
Detached-Eddy Simulations with Compressibility Corrections Applied to a Supersonic Axisymmetric Base Flow
Forsythe, Hoffman and Squires, AIAA 2002-0586, Jan 2002
DES and RANS Simulations of Delta Wing Vortical Flows
Morton, Forsythe, Mitchell and Hajek, AIAA 2002-0587, Jan 2002
Numerical Investigation of Flow Past a Prolate Spheroid
Constantinescu, Pasinato, Wang and Squires, AIAA 2002-0588, Jan 2002
Detached-Eddy Simulation of Fighter Aircraft at High Alpha
Forsythe, Squires, Wurtzler and Spalart, AIAA 2002-0591, Jan 2002
Progress on Detached-Eddy Simulation of Massively Separated Flows
Squires, Forsythe, Morton, Strang, Wurtzler, Tomaro, Grismer and Spalart, AIAA 2002-1021, Jan 2002
Detached-Eddy Simulation of Separated Flow Around a Fore-body Cross Section
Squires, Forsythe and Spalart, July 2001
Experimental and Computational Results for a Power-Law Elliptic-Section Projectile in a Supersonic Air-Stream
Schuricht, Bertin, Forsythe, Smith and Abate, AIAA 2001-4318, Jun 2001
Validation of Several Reynolds-Averaged Turbulence Models in a 3-D Unstructured Grid Code
Forsythe, Strang and Hoffman, AIAA 2000-2552, Jun 2000
Comparison of Numerical Methods for an Elliptic Section Projectile
Forsythe, Edwards and Sahu, AIAA 2001-4430, June 2001
Towards Prediction of Aircraft Spin
Squires, Forsythe, Wurtzler, Strang, Tomaro, Grsmier and Spalart, DoD HPC User Group Conference, Jun 2001
Free-Flight Range Tests and Numerical Computations of a Power-Law Elliptic Cross-Section Projectile
Abate, Bertin, Forsythe and Schuricht, AIAA 2001-4319, Jun 2001
Detached Eddy Simulation of Massively Separated Flows
Strelets, AIAA 2001-0879, Jan 2001

1997 – 1999

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Strategies for Turbulence Modelling and Simulations
Spalart, Jun 2000
A Solution on the F-18C for Store Separation Simulation using Cobalt60
Tomaro, Strang and Witzeman, AIAA 99-0122, Jan 1999
Comments on the Feasibility of LES for Wings, and on a Hybrid RANS/LES Approach
Proceedings of the First AFOSR International Conference on DNS/LES, Aug 1997