The Integration of KBE and FEM Optimization Technology in Shell Nosing Process Design

An intelligent integration system for shell nosing design was in-house developed to reduce the cost of the shell nosing design which used to depend on the designer's experience.The system used the technology of KBE(Knowledge Based Engineering) and RBR(Rule Based Reasoning) into the design of shell nosing product,intelligently reasoned the preform by feature recognition.The integration of CAD/CAE was achieved in this intelligent system and then it used FEM software to do forward-deformation simulation.The inner-shape of the die or the shape of the initial preform was modified automatically according to the optimization algorithm.And then the preliminary optimized shape was used to do another simulation and get a better shape.Repeat the process iteratively,and got a final optimized shape of die and preform.An application proves the intelligent integration system can make the design more credible and avoid the reduplicate work to redesign and modification.It reduces the workload of the designer,so it can improve the design efficiency.