Research Initiation:  A New Method to Compute Design        Sensitivities of Dynamic Mechanical Systems
{'Code': '07030000', 'Directorate': {'Abbreviation': 'ENG', 'LongName': 'Directorate For Engineering'}, 'Division': {'Abbreviation': 'CMMI', 'LongName': 'Div Of Civil, Mechanical, & Manufact Inn'}}
{'SignBlockName': 'K. (Cheena) Srinivasan', 'PO_EMAI': None, 'PO_PHON': None}
A new computer-based method for automated design sensitivity analysis           of dynamic mechanical systems is developed.  The equations of motion            are formulated in terms of a minimal set of relative coordinates.  An           adjoint variable method is used to compute variations in dynamic                performance measures due to changes in design.  The equations of motion         and the adjoint equations, which are systems of differential-algebraic          equations, are integrated using a generalized coordinate partitioning           method based on singular value decomposition of the constraint Jacobian         matrix.  Symbolic processing language MACSYMA is used to develop the            required equations and to implement them in FORTRAN subroutines.
{'FirstName': 'Neel', 'LastName': 'Mani', 'PI_MID_INIT': 'K', 'PI_SUFX_NAME': None, 'PI_FULL_NAME': 'Neel K Mani', 'EmailAddress': None, 'NSF_ID': '000388772', 'StartDate': '07/15/1985', 'EndDate': None, 'RoleCode': 'Principal Investigator'}
{'Name': 'SUNY at Buffalo', 'CityName': 'AMHERST', 'ZipCode': '142282577', 'PhoneNumber': '7166452634', 'StreetAddress': '520 LEE ENTRANCE STE 211', 'StreetAddress2': None, 'CountryName': 'United States', 'StateName': 'New York', 'StateCode': 'NY', 'CONGRESSDISTRICT': '26', 'CONGRESS_DISTRICT_ORG': 'NY26', 'ORG_UEI_NUM': 'LMCJKRFW5R81', 'ORG_LGL_BUS_NAME': 'RESEARCH FOUNDATION FOR THE STATE UNIVERSITY OF NEW YORK, THE', 'ORG_PRNT_UEI_NUM': 'GMZUKXFDJMA9'}
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