Get Advancement of Optical Methods in Experimental Mechanics, PDF

By Shanglei Li, Anish Poudel (auth.), Helena Jin, Cesar Sciammarella, Sanichiro Yoshida, Luciano Lamberti (eds.)

ISBN-10: 331900767X

ISBN-13: 9783319007670

ISBN-10: 3319007688

ISBN-13: 9783319007687

Advancement of Optical equipment in Experimental Mechanics: Proceedings of the 2013 Annual convention on Experimental and utilized Mechanics, the 3rd quantity of 8 from the convention, brings jointly contributions to this significant sector of study and engineering. the gathering offers early findings and case experiences on quite a lot of optical equipment starting from conventional photoelasticity and interferometry to more moderen DIC and DVC thoughts, and comprises papers within the following basic technical learn components:

Optical metrology and displacement measurements at varied scales

Digital holography and experimental mechanics

Optical dimension platforms utilizing polarized gentle

Surface topology

Digital photo correlation

Optical equipment for MEMS and NEMS

Three-dimensional imaging and volumetric correlation

Imaging equipment for thermomechanics applications

3D volumetric move size

Applied photoelasticity

Optical residual tension dimension techniques

Advances in imaging technologies

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Additional resources for Advancement of Optical Methods in Experimental Mechanics, Volume 3: Conference Proceedings of the Society for Experimental Mechanics Series

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1 Synthetic distribution of the phase used to test various deconvolution techniques [10]. 4 @Φy @xy phase derivative distribution, Typical Results Typical examples of phase derivative maps restored with some deconvolution techniques are shown in Fig. 2. It can be seen that regularized deconvolution is unstable whereas it can be checked that this technique is able to restore very efficiently phase derivative maps when no noise is added (results not shown here). This illustrates the fact that deconvolution is an illposed problem which must be solved with care.

75 grey levels was identified. A Gaussian noise with such a standard deviation was used in the simulation procedure. The noise is directly introduced in the grey level of the generated images, as explained before. The reference image for the simulated tests was obtained from the actual picture of the experimental tests. e. the zone of the specimen used to perform the DIC analysis. In this way, the simulated images have the same speckle pattern and the same pixel resolution of the experimental ones.

Prentice-Hall, Upper Saddle River, NJ 6. Sur F, Gre´diac M (2013) Towards deconvolution to enhance the grid method for in-plane strain measurement, Inverse Problems and Imaging (In revision) 7. Maas AM, Somers PAAM (2006) Two-dimensional deconvolution applied to phase-stepped shearography. Opt Lasers Eng 26:1594–1602 8. Dhanasekar B, Ramamoorthy B (2010) Restoration of blurred images for surface roughness evaluation using machine vision. Tribol Int 43:268–276 9. Piro JL, Gre´diac M (2004) Producing and transferring low-spatial-frequency grids for measuring displacement fields with moire´ and grid methods.

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Advancement of Optical Methods in Experimental Mechanics, Volume 3: Conference Proceedings of the Society for Experimental Mechanics Series by Shanglei Li, Anish Poudel (auth.), Helena Jin, Cesar Sciammarella, Sanichiro Yoshida, Luciano Lamberti (eds.)


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