A summary report is given in
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AIAA Structural Dynamics Technical Commitee Annual Report, Aeropspace America, Oct 2008, page 77.
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Details of  applying to  CFD/CSD based computations  and a  source code using disk I/O is given in 
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Guruswamy, G.P, "A New Modular Approach for Tighly Coupled Fluid/Structure Analysis," International Journal of Aerospace Innovations, Vol 1, No 1, March 2009.
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