F. Vignat

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Emanuele Storti

Università Politecnica delle Marche, Italy

Antonio Bula

Universidad del Norte - Barranquilla, Colombia

naveen noronha

Visvesvaraya Technological University

Richard Crawford

The University of Texas at Austin

Rakesh Kumar

Maharishi Markandeshwar University

Chandramouli Padmanabhan

IIT Madras

Shahir Kasim

Universiti Teknikal Malaysia Melaka

Veeresha RK

Visvesvaraya Technological University

Jérôme Bachmann

Aix-Marseille University

Swapnil Deokar

Savitribai Phule Pune University

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Papers by F. Vignat

Identification on Some Design Key Parameters for Additive Manufacturing: Application on Electron Beam Melting

by F. Vignat, Benjamin Vayre, and François Villeneuve

Procedia CIRP, 2013

Designing for Additive Manufacturing

by F. Vignat, Benjamin Vayre, and François Villeneuve

Procedia CIRP, 2012

Additive manufacturing technologies can now be used to manufacture metallic parts. This breakthro... more Additive manufacturing technologies can now be used to manufacture metallic parts. This breakthrough in manufacturing technology makes possible the fabrication of new shapes and geometrical features. Although the manufacturing feasibility of sample parts with these processes has been the subject of several studies, the breakthrough in manufacturing is yet to be followed by a breakthrough in designing process. In this paper, after reviewing the principle of additive manufacturing of metallic parts, the manufacturing capabilities and constraints of these processes will be examined. A designing methodology will then be suggested and illustrated with the redesign of an example part.

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Tolerance Analysis in Manufacturing Using the MMP, Comparison and Evaluation of Three Different Approaches

by F. Vignat and François Villeneuve

Geometric Variations, 2010

Abstract In previous works, the authors have developed the Model of Manufactured Part (MMP) [1], ... more

Simulation of the Manufacturing Process, Generation of a Model of the Manufactured Parts

by F. Vignat and François Villeneuve

Digital Enterprise Technology, 2007

Designing a new product in an industrial context supposes to be certain to be able to produce it ... more

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Metallic additive manufacturing: state-of-the-art review and prospects

by F. Vignat, Benjamin Vayre, and François Villeneuve

Mechanics & Industry, 2012

A Method to Determine the Impact of Geometrical Deviations on Product Performance

Strojniški vestnik – Journal of Mechanical Engineering, 2012

Robustness is the key to successful product design when many variation sources exist throughout t... more Robustness is the key to successful product design when many variation sources exist throughout the product lifecycle. Variations are of many sources such as material defects, machining errors, and use conditions of the product. Most of product performance simulations are traditionally carried out using the numerical model created in the CAD system. This model only represents the nominal information about the product. Thus, it is difficult to take these variations into account in product performance prediction. A method is proposed in this paper to allow integrating the effect of these variation sources into the product performance simulation. This method is based on a random design of experiment method. As a result, an image of the "real" performance of the product is determined.

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UNIVERSITE DE GRENOBLE INSTITUT POLYTECHNIQUE DE GRENOBLE

... Je tiens à remercie l'ensemble du personnel informatique à savoir Cédric EYRAUD, Jean-Yv... more

From the nominal model to a model of manufactured parts in a CAD context

by F. Vignat and François Villeneuve

Product design today mainly involves CAD software's. In this context, the designers create a nomi... more Product design today mainly involves CAD software's. In this context, the designers create a nominal model of the product and the process. Mainly, simulation and assessment are made based on this model. In this paper a model of the manufactured i.e. a model with deviation defects is proposed, the MMP model. One utilisation of the MMP is then presented, the functional tolerance analysis. This analysis is presented from the modelling of the tolerance by a virtual gauge to the numerical resolution by a Monte-Carlo simulation.

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Simulation of the manufacturing process (2): Analysis of its consequences on a functional tolerance

by F. Vignat and François Villeneuve

... 9th CIRP Computer Aided Tolerancing Seminar, CAT2005, Tempe, Arizona : États-Unis d'Amér... more

3-D manufacturing dispersions: two experimental applications

by Olivier Legoff and F. Vignat

Identification on Some Design Key Parameters for Additive Manufacturing: Application on Electron Beam Melting

by F. Vignat, Benjamin Vayre, and François Villeneuve

Procedia CIRP, 2013

Designing for Additive Manufacturing

by F. Vignat, Benjamin Vayre, and François Villeneuve

Procedia CIRP, 2012

Download

Tolerance Analysis in Manufacturing Using the MMP, Comparison and Evaluation of Three Different Approaches

by F. Vignat and François Villeneuve

Geometric Variations, 2010

Abstract In previous works, the authors have developed the Model of Manufactured Part (MMP) [1], ... more

Simulation of the Manufacturing Process, Generation of a Model of the Manufactured Parts

by F. Vignat and François Villeneuve

Digital Enterprise Technology, 2007

Designing a new product in an industrial context supposes to be certain to be able to produce it ... more

Download

Metallic additive manufacturing: state-of-the-art review and prospects

by F. Vignat, Benjamin Vayre, and François Villeneuve

Mechanics & Industry, 2012

A Method to Determine the Impact of Geometrical Deviations on Product Performance

Strojniški vestnik – Journal of Mechanical Engineering, 2012

Download

UNIVERSITE DE GRENOBLE INSTITUT POLYTECHNIQUE DE GRENOBLE

... Je tiens à remercie l'ensemble du personnel informatique à savoir Cédric EYRAUD, Jean-Yv... more

From the nominal model to a model of manufactured parts in a CAD context

by F. Vignat and François Villeneuve

Download

Simulation of the manufacturing process (2): Analysis of its consequences on a functional tolerance

by F. Vignat and François Villeneuve

... 9th CIRP Computer Aided Tolerancing Seminar, CAT2005, Tempe, Arizona : États-Unis d'Amér... more

3-D manufacturing dispersions: two experimental applications

by Olivier Legoff and F. Vignat

F. Vignat

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