Journal ArticleDOI
Minimization of the thickness variation in multi-step sheet metal stamping
TLDR
In this article, a multi-step inverse method is used together with RSM to check various intermediate surfaces to search for the optimal shape parameters, and the result is validated using commercial software DYNAFORM ®.About:
This article is published in Journal of Materials Processing Technology.The article was published on 2006-07-03. It has received 18 citations till now. The article focuses on the topics: Finite element method.read more
Citations
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Journal ArticleDOI
Multiobjective robust optimization method for drawbead design in sheet metal forming
TL;DR: In this paper, a multiobjective robust optimization methodology is presented to address the effects of parametric uncertainties on drawbead design, where the six sigma principle is adopted to measure the variations, a dual response surface method is used to construct surrogate model and a multi-objective particle swarm optimization is developed to generate robust Pareto solutions.
Journal ArticleDOI
Radial basis functional model for multi-objective sheet metal forming optimization
TL;DR: In this article, a multi-objective particle swarm optimization (MOPSO) approach was proposed to adopt a multiobjective optimization with construction of a single cost function for sheet metal forming.
Journal ArticleDOI
Multi-fidelity optimization for sheet metal forming process
TL;DR: In this article, a two-stage multi-fidelity method was proposed to better compromise the uses of low and high fidelity finite element solutions for automotive inner panels, which significantly improved the computational efficiency and accuracy of optimizing sheetmetal formability without wrinkle and fracture.
Journal ArticleDOI
Time dependent sheet metal forming optimization by using Gaussian process assisted firefly algorithm
TL;DR: Numerical studies on benchmark problems with 20 variables and a real-world application of time dependent sheet metal forming optimization reveal that the GPFA is capable to solve such similar problems.
Journal ArticleDOI
Multi-objective Optimization of Sheet Metal Forming Die Using Genetic Algorithm Coupled with RSM and FEA
TL;DR: In this article, the approach of applying response surface methodology (RSM) with a Pareto-based multi-objective genetic algorithm to assist engineers in optimization of sheet metal forming is described.
References
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RSM Simplified: Optimizing Processes Using Response Surface Methods for Design of Experiments
TL;DR: In this paper, the Beauty of Response Surface Methods (BMSM) is used to find the sweet spot for multiple responses in response surface methods (surface methods) and RSM is applied to Mixtures.
Journal ArticleDOI
Finite element procedures for strain estimations of sheet metal forming parts
TL;DR: In this article, a finite element algorithm is developed to predict the strain distribution of sheet forming parts and to evaluate their formability at the design stage, which avoids the path dependent incremental procedure of plasticity and contact.
Journal ArticleDOI
Some improvements on the optimum process design in deep drawing using the inverse approach
TL;DR: In this paper, a finite element method called the Inverse Approach (IA) has been developed to estimate the large elasto-plastic strains in thin sheet metallic parts obtained by deep drawing.
Proceedings ArticleDOI
Response Surface Methodology for the Design of Sheet Metal Forming Parameters to Control Springback Effects using the Inverse Approach
TL;DR: In this paper, a Response Surface Method (RSM) based on Diffuse Approximation (DA) is used to reduce the springback effects after forming and a modified version of the Inverse Approach (IA) used to analyze the stamping operation is presented.
Proceedings ArticleDOI
Optimization of the blankholder force distribution with application to the stamping of a car front door panel (Numisheet’99)
TL;DR: In this paper, a deformable flexible blankholder is used to control the movement of the blank under the blankholder, and three inequality constraints functions are defined to avoid necking and wrinkling.