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Non-Contact Strain Measurement of Mesh Surface Using Digital Image Analysis
TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES AEROSPACE TECHNOLOGY JAPAN
A noncontact method of measuring the strain on a wire-mesh surface using a digital image correlation technique was developed and its feasibility was investigated. In this method, the mesh feature is utilized; thus, target markers, painting, and strain gauges on the mesh surface are not required. The strain on the mesh surface is estimated based on changes in the spatial frequencies of the mesh grating (mesh regularity), and the digital image correlation technique is used to clarify thedoi:10.2322/tastj.15.a37 fatcat:a2vfy5ejbrcszpyvlc2n4vocyq