EPJ Web of Conferences
Volume 6, 2010ICEM 14 – 14th International Conference on Experimental Mechanics
|Number of page(s)||6|
|Section||Validation and Standards for Dynamic Analyses|
|Published online||10 June 2010|
A reference material for dynamic displacement calibration
Institute for Health and Consumer Protection, European
Commission DG Joint Research Centre, 21021
2 EMPA, Swiss Federal Laboratories for Materials Testing and Research, Laboratory for Electronics/Metrology/Reliability, CH-8600 Dübendorf, Switzerland
3 Composite Vehicle Research Center, Michigan State University, East Lansing, MI, USA
a e-mail: email@example.com
Calibration of displacement and strain measurement systems is an essential step in providing traceability and confidence in stress and strain distributions obtained from experiment and used to validate simulations employed in engineering design. Reference materials provide a simple, well-defined distribution of the measured quantity that can be traced to an international standard and can be used to assess the uncertainty associated with the measurement system. Previous work has established a reference material and procedure for calibrating optical systems for measuring static, in-plane strain distributions and also demonstrated its use. A new effort is in progress to extend this work to the measurement of three-dimensional displacement distributions induced by cyclic and dynamic loading, including transients and large-scale deformation. The first step in this effort has been to define both the essential and desirable attributes of a reference material for calibrating systems capable of measurements of dynamic displacement and strain. An international consortium of research laboratories, system designers, manufacturers and end-users has identified a list of attributes and members of the experimental mechanics community have been asked to weight the importance of these attributes. The attributes are being utilised to evaluate candidate designs for the reference material which have been generated through a series of brain-storming sessions within the consortium.
© Owned by the authors, published by EDP Sciences, 2010
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