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TECHNICAL PAPERS

Characterization of Sheet Buckling Subjected to Controlled Boundary Constraints

[+] Author and Article Information
Jian Cao, Xi Wang, Francis Joe Mills

Department of Mechanical Engineering, Northwestern University, Evanston, Illinois 60208

J. Manuf. Sci. Eng 124(3), 493-501 (Jul 11, 2002) (9 pages) doi:10.1115/1.1475990 History: Received June 01, 2001; Revised December 01, 2001; Online July 11, 2002
Copyright © 2002 by ASME
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References

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Figures

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Experiment fixture of a novel wedge strip test
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Dimensions of the specimens used with various boundary conditions: (a) B1 and B2; (b) B3
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Experimental setup to measure the buckle height
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Deformed specimen in case C1
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Deformed specimen in case C2
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Deformed specimen in case C3
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Two deformed specimens (a) and (b) in case C4
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Buckle heights as functions of nominal longitudinal stress for all cases
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Thin plate under in-plane biaxial loading
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Contour of the lowest principal stress in case C2 and the definition of effective compressive dimensions  
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Buckle height versus longitudinal strain for the specimen in case C1
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Buckle height versus longitudinal strain for the specimen in case C2
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Buckle height versus longitudinal strain for the specimen in case C3
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Buckle height versus longitudinal strain for the specimen in case C4
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Comparison between experimental and simulation results. Here the simulation results were obtained from a FEM analysis using the explicit integration method with a pulling speed of 1 m/sec.
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Sensitivity of predicted wrinkling strain in Case C3 with respect to the selection of the dimensions of the effective region

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