Applications of structural optimization software in the design process

Software tools for structural optimization are now gradually being introduced in the design process. The OPTSYS system is developed primarily for applications on aircraft, space, and automotive structures. OPTSYS is a modular system combining finite element analysis with mathematical programming methods. To illustrate the role of OPTSYS in recent projects, three real life applications are presented: a small-shape optimization example in a separation system for satellites, a case of mixed-shape and sizing optimization hi the design of a car suspension, and a large optimization study on a composite wing of a fighter aircraft. The experience of using OPTSYS and the directions of current development are also commented on.