Application of Optimal Design and Control Strategies to the Hydroforming of Thin Walled Metallic Tubes

Modelling and process control for the hydroforming of metallic liners used for hydrogen storage

“…The optimization method (OM) proposed by the authors [17] consists to combine the simulation of the process and the evaluation of the cost function and then to minimize this cost function with constraints respect in using a SQP algorithm. One also proposes [18] a strategy based on a control algorithm to determine the command laws for tube hydroforming to get a better quality parts. It consists to include a control loop inside the incremental loop associated to the finite element solution procedure.…”

“…The way to control hydroforming processes to get components with required thickness variation and absence of local buckling and fracture was investigated in [17,18] where the authors proposed to combine FEM simulations and optimization in order to optimize inner pressure versus time. Finally the application of hydroforming processes for automotive fuel thanks manufacturing was investigated in [19].…”

Study of hydroformed tailor-welded tubular parts with dissimilar thickness

“…In this sense, the use of a reliable computational-based design tool (based, for instance, in the finite element method) can be highly desirable. Some examples of Finite Element analysis of hydroformed parts can be found in references [6][7][8][9][10][11][12].…”

Enhanced finite element formulations on the numerical simulation of tailor-welded hydroformed products

“…Depending on the component and the rate of production involved, hydroforming processes can lead to an increase in the involved costs, and a possible way to lower these costs could be the adoption of numerical simulation tools for the process design. Previous works including the Finite Element Method in the simulation of hydroforming processes can be found in references [1][2][3][4][5][6][7][8][9]. Focusing on process for joining of open blanks, tailorwelded techniques refer to the class of joining procedures on flat blanks, which are subsequently subjected to forming operations [10][11].…”