Using finite-element analysis (FEA) to numerically mount compliant components onto their inspection fixture is an approach proposed by researchers in the field of computational metrology. To address the shortcomings of the underlying principle of current methods, this paper presents a boundary displacement constrained (BDC) optimization using FEA. The optimization seeks to minimize the distance between corresponding points, in the scanned manufactured part and the nominal model, that are in unconstrained regions. This is done while maintaining that a distance between corresponding points in constrained regions (i.e., fixing points) remains within a specified contact distance. At the same time, the optimization limits the magnitude and direction of forces on boundary. In contrast to the current methods, postprocessing of the point cloud is not required since the method uses information retrieved from the FEA of the nominal model to estimate the manufactured part’s mechanical behavior. To investigate the performance of the proposed method, it is tested on ten (10) free-state simulated manufactured aerospace panels that differ in their level of induced deformation. Results are then compared to those obtained using the underlying principles of current methods.
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December 2015
Research-Article
A Finite-Element Boundary Condition Setting Method for the Virtual Mounting of Compliant Components
Gad N. Abenhaim,
Gad N. Abenhaim
Department of Mechanical Engineering,
Université de Sherbrooke,
2500, Boulevard de l’Université,
Sherbrooke, QC J1K 2R1, Canada
e-mail: gad-noriel.abenhaim@usherbrooke.ca
Université de Sherbrooke,
2500, Boulevard de l’Université,
Sherbrooke, QC J1K 2R1, Canada
e-mail: gad-noriel.abenhaim@usherbrooke.ca
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Alain Desrochers,
Alain Desrochers
Department of Mechanical Engineering,
Université de Sherbrooke,
Sherbrooke, QC J1K 2R1, Canada
e-mail: Alain.Desrochers@usherbrooke.ca
Université de Sherbrooke,
Sherbrooke, QC J1K 2R1, Canada
e-mail: Alain.Desrochers@usherbrooke.ca
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Antoine S. Tahan,
Antoine S. Tahan
Department of Mechanical Engineering,
École de technologie supérieure (ÉTS),
Montreal, QC H3C 1K3, Canada
e-mail: antoine.tahan@etsmtl.ca
École de technologie supérieure (ÉTS),
Montreal, QC H3C 1K3, Canada
e-mail: antoine.tahan@etsmtl.ca
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Jean Bigeon
Jean Bigeon
G-SCOP Laboratory,
Grenoble INP–Université Joseph Fourier,
46 Avenue Félix Viallet,
Grenoble Cedex 1 38031, France
e-mail: Jean.Bigeon@grenoble-inp.fr
Grenoble INP–Université Joseph Fourier,
46 Avenue Félix Viallet,
Grenoble Cedex 1 38031, France
e-mail: Jean.Bigeon@grenoble-inp.fr
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Gad N. Abenhaim
Department of Mechanical Engineering,
Université de Sherbrooke,
2500, Boulevard de l’Université,
Sherbrooke, QC J1K 2R1, Canada
e-mail: gad-noriel.abenhaim@usherbrooke.ca
Université de Sherbrooke,
2500, Boulevard de l’Université,
Sherbrooke, QC J1K 2R1, Canada
e-mail: gad-noriel.abenhaim@usherbrooke.ca
Alain Desrochers
Department of Mechanical Engineering,
Université de Sherbrooke,
Sherbrooke, QC J1K 2R1, Canada
e-mail: Alain.Desrochers@usherbrooke.ca
Université de Sherbrooke,
Sherbrooke, QC J1K 2R1, Canada
e-mail: Alain.Desrochers@usherbrooke.ca
Antoine S. Tahan
Department of Mechanical Engineering,
École de technologie supérieure (ÉTS),
Montreal, QC H3C 1K3, Canada
e-mail: antoine.tahan@etsmtl.ca
École de technologie supérieure (ÉTS),
Montreal, QC H3C 1K3, Canada
e-mail: antoine.tahan@etsmtl.ca
Jean Bigeon
G-SCOP Laboratory,
Grenoble INP–Université Joseph Fourier,
46 Avenue Félix Viallet,
Grenoble Cedex 1 38031, France
e-mail: Jean.Bigeon@grenoble-inp.fr
Grenoble INP–Université Joseph Fourier,
46 Avenue Félix Viallet,
Grenoble Cedex 1 38031, France
e-mail: Jean.Bigeon@grenoble-inp.fr
1Corresponding author.
Contributed by the Design Engineering Division of ASME for publication in the JOURNAL OF COMPUTING AND INFORMATION SCIENCE IN ENGINEERING. Manuscript received September 29, 2014; final manuscript received May 27, 2015; published online September 14, 2015. Editor: Bahram Ravani.
J. Comput. Inf. Sci. Eng. Dec 2015, 15(4): 041005 (8 pages)
Published Online: September 14, 2015
Article history
Received:
September 29, 2014
Revised:
May 27, 2015
Citation
Abenhaim, G. N., Desrochers, A., Tahan, A. S., and Bigeon, J. (September 14, 2015). "A Finite-Element Boundary Condition Setting Method for the Virtual Mounting of Compliant Components." ASME. J. Comput. Inf. Sci. Eng. December 2015; 15(4): 041005. https://doi.org/10.1115/1.4031152
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