Geodesic
Evaluation of the application of double-exposure speckle photography with different apertures in experimental mechanics
Vestnik Samarskogo universiteta. Estestvennonaučnaâ seriâ, Tome 27 (2021) no. 4, pp. 83-91

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The article presents an experimental evaluation of the use of double-exposure speckle photography with circular and annular apertures in experimental mechanics using the example of determining the modulus of elasticity in tension. The description of the process of registration of speckle photography and its subsequent processing is given. Based on the results of calculations of the finite element model of the sample, the area where the boundary conditions do not affect its tension is determined. A description is given of the procedure for processing speckle photographs to determine the modulus of elasticity and the error in its measurement with different apertures.
Keywords: double-exposure, speckle photography, modulus of elasticity, measurement, error, finite element method.
Mots-clés : circular and annular apertures, tension 
@article{VSGU_2021_27_4_a5,
     author = {M. N. Osipov and R. N. Sergeev},
     title = {Evaluation of the application of double-exposure speckle photography with different apertures in experimental mechanics},
     journal = {Vestnik Samarskogo universiteta. Estestvennonau\v{c}na\^a seri\^a},
     pages = {83--91},
     publisher = {mathdoc},
     volume = {27},
     number = {4},
     year = {2021},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/VSGU_2021_27_4_a5/}
}
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M. N. Osipov; R. N. Sergeev. Evaluation of the application of double-exposure speckle photography with different apertures in experimental mechanics. Vestnik Samarskogo universiteta. Estestvennonaučnaâ seriâ, Tome 27 (2021) no. 4, pp. 83-91. http://geodesic.mathdoc.fr/item/VSGU_2021_27_4_a5/