Improved Composite Duct Design for Increased Safety Margin or Weight Reduction

Award Information
Agency:
Department of Defense
Branch
Air Force
Amount:
$749,938.00
Award Year:
2004
Program:
SBIR
Phase:
Phase II
Contract:
FA8650-04-C-2500
Agency Tracking Number:
021PR-2848
Solicitation Year:
2002
Solicitation Topic Code:
AF02-176
Solicitation Number:
2002.1
Small Business Information
CONVERGENCE ENGINEERING CORP.
1638 Finch Drive, Gardnerville, NV, 89410
Hubzone Owned:
N
Socially and Economically Disadvantaged:
N
Woman Owned:
N
Duns:
861033264
Principal Investigator:
Rory Davis
(775) 782-7227
rorydavis@starband.net
Business Contact:
Rory Davis
(775) 782-7227
rorydavis@starband.net
Research Institution:
n/a
Abstract
Practical methodologies were developed in Phase 1 to efficiently design nonlinear composite ducts and panels with large anomalies and cutouts for buckling, will be verified in Phase II with a comprehensive test/analysis correlation program. The analysis system is automated and integrated into the ANSYS finite element code using its macro language capabilities, including parameterized shell and solid models of subject composite duct systems. Important features included in the analysis system are 1) geometric nonlinearity of panels due to initial or load induced curvature, and 2) buckling and snap-through. Testing includes braided/RTM composite fundamental property samples, half scale JSF bypass ducts, and full scale JSF flange segments.

* information listed above is at the time of submission.

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