Multiphysics, Coupled Analysis Capability for Hypersonic Vehicle Structures

Award Information
Agency: Department of Defense
Branch: N/A
Contract: FA8650-10-C-3007
Agency Tracking Number: F083-181-2117
Amount: $749,819.00
Phase: Phase II
Program: SBIR
Awards Year: 2010
Solicitation Year: 2008
Solicitation Topic Code: AF083-181
Solicitation Number: 2008.3
Small Business Information
11995 El Camino Real, Suite 200, San Diego, CA, -
DUNS: 133709001
HUBZone Owned: N
Woman Owned: Y
Socially and Economically Disadvantaged: N
Principal Investigator
 Parthiv Shah
 Project Engineer
 (858) 480-2101
Business Contact
 Ronan Cunningham
Title: Director, Business Develo
Phone: (858) 480-2015
Research Institution
The proposed Phase II SBIR development effort will deliver a multiphysics coupled analysis simulation method for hypersonic vehicle structures. The physics simulation capability will consist of a set of coupled software tools used to model the response of hypersonic vehicle structures in extreme aero-thermal environments, at both the global level of the full flight vehicle and the local level of critically-loaded vehicle skin panel(s). For both cases, a hypersonic computational fluid dynamics (CFD) code will be integrated with a nonlinear computational structural dynamics (NLCSD) code in a fully coupled, fluid-structure interaction form. At the global vehicle level, the coupled analysis method will simulate the quasi-static deformation of the vehicle to aero-thermal loads along a given trajectory and identify hot-spots and panels exposed to locally extreme aero-acoustic loads. At the local level, it will simulate the time-accurate response of a skin panel subject to extreme environments to predict stresses and the onset of snap-through and/or flutter. The new coupled multiphysics capability will be validated against available test data for panels subjected to hypersonic flight loads. The final deliverable will be a documented methodology which can be accessed by the Air Force and its contractors as a combination commercial and open-source software. BENEFIT: A key outcome of the Phase II program will be a quantitative evaluation of structural design based on coupled multiphysics versus current design methods limited to uncoupled/bounding methods. This will allow future designers to identify whether hypersonic structural design is overly conservative or not, when coupled physics are ignored. Applications in the DoD market include the design/development of weight-efficient military hypersonic vehicles, scram jet and related propulsion systems for hypersonic vehicles, and stealth aircraft with ducted exhaust. In commercial markets, a coupled fluid-thermal-structural design tool would have application to space flight vehicles and sub-orbital aero-space planes. Non-aerospace applications include nuclear engineering and related energy industry applications.

* Information listed above is at the time of submission. *

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