1. ANSYS engineering analysis system;DeSalvo,1987
2. General capability of design sensitivity for finite element system;Prasad,1982
3. Implementation of structural response sensitivity calculations in a large-scale finite element analysis system;Giles,1982
4. Design enhancement tools in MSC/NASTRAN;Wallerstein,1984
5. ASTROS—an advanced software environment for automated design;Herendeen,1986