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Experimental Validation of the 2D Meshless Random Grid Method

[+] Author Affiliations
Athanasios Iliopoulos

Science Applications International Corporation - Naval Research Laboratory, Washington, DC

John G. Michopoulos

Naval Research Laboratory, Washington, DC

Adrian C. Orifici

RMIT University, Melbourne, VIC, Australia

Rodney S. Thomson

Cooperative Research Centre for Advanced Composite Structures Limited, Fishermans Bend, VIC, Australia

Paper No. DETC2011-48232, pp. 513-520; 8 pages
doi:10.1115/DETC2011-48232
From:
  • ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • Volume 2: 31st Computers and Information in Engineering Conference, Parts A and B
  • Washington, DC, USA, August 28–31, 2011
  • Conference Sponsors: Design Engineering Division and Computers and Information in Engineering Division
  • ISBN: 978-0-7918-5479-2
  • Copyright © 2011 by ASME

abstract

This paper presents the first systematic effort for the experimental validation of the 2D Meshless Random Grid Method (MRGM) for the full field measurement of displacement and strain fields. Although the MRGM has been demonstrating very promising characteristics of accuracy, performance and ease of application based on previously conducted sensitivity analysis supported by virtual data, extensive experimental validation was not available until now. This work comes to fill this gap and presents preliminary validation results against strain gauge data collected from open hole tension experiments of composite specimens. In addition, strain and displacement field verification is performed by comparison studies with finite element analysis results.

Copyright © 2011 by ASME

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