A genetic algorithm based process planning system for mould base
International Journal of Computer Applications in Technology
Design and optimization of three-dimensional extrusion dies, using constraint optimization algorithm
Finite Elements in Analysis and Design
Moving least squares response surface approximation: Formulation and metal forming applications
Computers and Structures
Patterns and pathways of packing circles into a square
International Journal of Computer Applications in Technology
A knowledge-based system for strip-layout design for progressive deep drawing dies
International Journal of Computer Applications in Technology
An intelligent CAD system for automatic modelling of deep drawing die
International Journal of Computer Applications in Technology
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The production of high-strength clinched joints is the ultimate goal of the manufacturing industry. The determination of optimum tool shapes in the clinch forming process is needed to achieve the required high strength of clinched joints. The design of the tools (punch and die) is crucial since the strength of the clinched joints is closely related to the tools geometry. To increase the strength of clinched joints, an optimisation procedure using the response surface methodology, based on an adaptive moving target zone, is presented. The cost function studied here is defined in terms of the maximum value of the tensile force computed during the simulation of the sheets separation. Limitations on the geometrical parameters due to feasibility issues are also taken into account. The kriging interpolation is used to provide an approximation to the optimisation problem and to build the response surfaces.