9Stavroulaki M, Stavroulakis G, Leftheris B. Modelling prestress restoration of buildings by general purpose structural analysis and optimization software the optimization module of MSC/NASTRAN [ J ] . Computers and Structures, 1997 ( 1 ) : 81-92.
10Holzleitner L, Mahmoud K. Structural shape optimization using MSC/NASTRAN and sequential quadratic programming[J] . Computers and Structures, 1999, 70 : 487-514.