Development of Multidisciplinary, Multi-Fidelity Analysis and Integration of Aerospace Vehicles

Award Information
Agency:
Department of Defense
Branch
Air Force
Amount:
$749,972.00
Award Year:
2010
Program:
STTR
Phase:
Phase II
Contract:
FA9550-10-C-0173
Award Id:
90189
Agency Tracking Number:
F08B-T03-0096
Solicitation Year:
2008
Solicitation Topic Code:
AF08-BT03
Solicitation Number:
2008.B
Small Business Information
750 Old Hickory Blvd, Building 2, Suite, Brentwood, TN, 37027-
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
128193997
Principal Investigator:
AnimeshDey
CPDO
(615) 372-0299
adey@vextec.com
Business Contact:
LorenNasser
President, CEO
(615) 372-0299
lnasser@vextec.com
Research Institute:
Vanderbilt University
John Childress
Division of Sponsored Research
Station B, Box 7749, 2301 Vand
Nashville, TN, 37235-
(615) 322-3979

Abstract
ABSTRACT: Current aircraft design approaches incorporate the use of many high fidelity models for point solutions of individual disciplines. Sophisticated model integration techniques are not yet readily available and a significant amount of individual discipline"stovepiping"exists. Individual handoffs of point solutions between disciplines often results in repeated individual data interpretations. These interpretations often lead to erroneous decisions and/or add-in design conservatism. The technical goals of the Phase II effort will be to develop a multi-disciplinary computational framework that can decide efficiently where to use high fidelity models and where low fidelity models are sufficient. A demonstration will be conducted on an aircraft design model combining multiple levels of aerodynamic loading, stress analysis and structural reliability. This Phase II will be set up to show that models from acoustic fatigue, structure and material disciplines can be efficiently, computationally combined to address structural reliability of the panel. The objective will be to show that mathematic complexity can be harnessed with this STTR demonstration to optimize the system reliability of a stiffened multi-bay aircraft panel. The fully-probabilistic models assess the uncertainty in design characteristics to determine the statistical distribution of the response throughout the system. BENEFIT: Simulation-based design and certification is fundamentally about making decisions with uncertainty. The methodology developed under this Phase II program will yield a computational framework that will help the engineer by providing guidance on the following key issues: (1) How will changing the scale and fidelity of the analysis impact the uncertainty in the results? (2)What is the actual uncertainty in the simulation results? The structure of this framework will support the system engineering processes typically used by military and commercial aircraft OEMs. Successful completion of this Phase II STTR program will yield a computational framework closely aligned with realizing the long term Air Force vision of developing"digital twin"of the future hypersonic vehicles capable of global strike..

* information listed above is at the time of submission.

Agency Micro-sites


SBA logo

Department of Agriculture logo

Department of Commerce logo

Department of Defense logo

Department of Education logo

Department of Energy logo

Department of Health and Human Services logo

Department of Homeland Security logo

Department of Transportation logo

Enviromental Protection Agency logo

National Aeronautics and Space Administration logo

National Science Foundation logo
US Flag An Official Website of the United States Government