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Surface deformation measurements of a finger-joint timber by object-oriented technique and digital speckle image correlation

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4 Author(s)
Liu Meihua ; Department of mechanical engineering, Tianjin university of commerce, China ; Zhang Lianwen ; Wang Dongai ; Li Lianjin

Distal speckle image correlation technique is a quantized optical experimental method that can accurately determine two-dimensional plane displacements and strains of a target surface. The full-field measurement technique is used in different domains for the study of the mechanical behavior of materials. But the problem has not been solved as yet how the developed programs is used repeatedly or second-developed expediently by other people. In the paper, a program was developed including all digital image correlation calculation programes. Based on the concept of objected-oriented technique in Visual C++ NET, all class libraries of digital speckle image correlation programming were developed and the software system was constructed in order to manage all class libraries. The features of Object-Oriented modeling allow the database to be modeled with the properties of classes, objects, and container trees. Both the portion and all arithmetic in the developed program can be used easily and developed secondly. The programming and reading of was very easy to programming personnel . The program's validity and feasibility was validated by both computer simulation and pull-experiment for a finger joint timber.

Published in:

Electric Information and Control Engineering (ICEICE), 2011 International Conference on

Date of Conference:

15-17 April 2011