USA flag logo/image

An Official Website of the United States Government

Advanced Aerodynamic Modules for Comprehensive Rotorcraft Analyses

Award Information

Department of Defense
Award ID:
Program Year/Program:
2009 / SBIR
Agency Tracking Number:
Solicitation Year:
Solicitation Topic Code:
Solicitation Number:
Small Business Information
Continuum Dynamics, Inc.
34 Lexington Avenue Ewing, NJ 08618-2302
View profile »
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No
Phase 2
Fiscal Year: 2009
Title: Advanced Aerodynamic Modules for Comprehensive Rotorcraft Analyses
Agency / Branch: DOD / ARMY
Contract: W911W6-09-C-0041
Award Amount: $729,969.00


Fast, accurate computational models of rotary-wing aerodynamics and dynamics are critical for the analysis and design of rotorcraft. To address this need, the U.S. Army has developed the Rotorcraft Comprehensive Analysis System, RCAS, which has state-of-the-art computational structural dynamics (CSD) modeling. In complementary work, Continuum Dynamics, Inc., (CDI), has developed a collection of fast, high fidelity aerodynamic models suitable for a wide range of rotorcraft applications. These models utilize a full-span, free-vortex wake model coupled to a fast lifting panel analysis. The key goal of the proposed SBIR effort is to integrate CDI's high fidelity aerodynamic models into RCAS, thus marrying the highest fidelity rotorcraft structural dynamics and aerodynamics solutions currently available for comprehensive analysis into a single code, RCAS. In Phase I, CDI and the Georgia Institute of Technology, (GIT), developed a coupled RCAS/CHARM solution and demonstrated its potential for improved aerodynamic modeling. In Phase II, the implementation of the coupled solution will be completed and the aerodynamic analysis capabilities extended in both accuracy and scope. Improved aerodynamic models for comprehensive codes will be developed to help bridge the gap in areas where aerodynamic predictions with comprehensive codes are less accurate than those currently obtained with coupled CSD/CFD solutions.

Principal Investigator:

Daniel A. Wachspress
Senior Associate

Business Contact:

Barbara A. Agans
Director, Business Admini
Small Business Information at Submission:

34 Lexington Avenue Ewing, NJ 08618

EIN/Tax ID: 222248930
Number of Employees:
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No