Software for the Design and Certification of Unitized Airframe Components

Award Information
Agency:
Department of Defense
Branch
Air Force
Amount:
$99,991.00
Award Year:
2005
Program:
STTR
Phase:
Phase I
Contract:
FA9550-05-C-0128
Award Id:
73381
Agency Tracking Number:
F054-015-0057
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
10845 Olive Blvd., Suite 170, St. Louis, MO, 63141
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
859454886
Principal Investigator:
Ricardo Actis
Director, Engineering Development
(314) 983-0649
ricardo.actis@esrd.com
Business Contact:
Kent Myers
Vice-President
(314) 983-0649
kent.myers@esrd.com
Research Institute:
WASHINGTON UNIV.
Barna Szabo
one Brookings Drive
St. Louis, MO, 63130
(314) 935-6352
Nonprofit college or university
Abstract
An investigation of the feasibility of commercialization of the results developed in the Center for Computational Mechanics, Washington University, St. Louis, Missouri under AFOSR Grant No. F49620-01-1-0074 entitled; "Mathematical and Computational Framework for a Virtual Fabrication Environment for Aircraft Components". The proposed project will address some of the key requirements identified in the report Uninhabited Air Vehicles: Enabling Science for Military Systems (National Materials Advisory Board, Aeronautics and Space Engineering Board, US Academy of Sciences, 2000). Specifically, an investigation of mathematical models for the simulation of structural stability and post-buckling responses of light-weight unitized airframe components fabricated from aluminum plates by high speed machining techniques will be undertaken. It has been observed in machining experiments that some thin-walled components exhibit local buckling even in the unloaded condition, due to residual stresses. Therefore the effects of residual stresses and the initial configuration have to be taken into account in simulations performed for the purposes of design and analysis. The goal of this project is to investigate the feasibility of development of a comprehensive software tool for the design and certification of metallic unitized airframe components based on the hierarchic concept of working models, incorporating the effects of residual stresses.

* information listed above is at the time of submission.

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