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VERIFICATION OF OPTICAL MEASUREMENT OF STRESSES BY ESPI
The main goal of this paper is verification of accuracy of ESPI strain sensor Dantec dynamics Q-100. ESPI is the digital holographic interferometry method for measuring small displacements and deformations. There is necessary to con...
BH - Optika, masery a lasery
- 2013 •
- D
Rok uplatnění
D - Stať ve sborníku
Verification of ESPI Stress Analysis by Means of FEM
The main goal of this paper is verification of accuracy of ESPI strain sensor Dantec dynamics Q - 100. ESPI is the digital holographic interferometry method for measuring small displacements and deformations. There is necessary to c...
BH - Optika, masery a lasery
- 2013 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Vibration of Composite Plate - Mathematical Modelling and Experimental Verification by ESPI
For observatory of vibrations of composite rectangular plate were used two different methods: mathematical and experimental. Experimental part was done by electronic speckle pattern interferometry (ESPI). This method - ESPI - is ver...
JI - Kompositní materiály
- 2011 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Miniature 3 and 4 point bending fixture for application ESPI
Fixture allows loading of subsized specimens having length bigger than 11mm together with recording of difraction patterns. The difraction patterns are used for local deformation identification using an ESPI system....
JL - Únava materiálu a lomová mechanika
- 2009 •
- Gfunk
Rok uplatnění
Gfunk - Funkční vzorek
Pulsed Electronic Speckle Pattern Interferometry
The contribution deals with an application of ESPI for measuring a deformation profile of a thin steel plate loaded by a focusing a ruby laser beam. Monitoring of the normally loaded test-object determined Michelson-type ESPI sensit...
BH - Optika, masery a lasery
- 2006 •
- D
Rok uplatnění
D - Stať ve sborníku
"Zero movement" problems in ESPI picture
The vibration patterns of a mechanical structure can be visualized by the electronic speckle interferometer (ESPI). To be correctly scaled the directions and amplitudes of vibrations of the points at the structure surface, the structure boar...
BI - Akustika a kmity
- 2007 •
- D
Rok uplatnění
D - Stať ve sborníku
ESPI aplication for structure NDT especially for composite parts
Application of optical methods with laser has a broad use for NDT different kinds of materials. Possibilities of laser shearography are demontrated mainly for composite materials....
JU - Aeronautika, aerodynamika, letadla
- 2004 •
- D
Rok uplatnění
D - Stať ve sborníku
ESPI Measurement of Strain on Bending Beams
Proposed paper introduces the application of Electronic Speckle Pattern Interferometry (ESPI) technique to measure the deformation of beams in bending tests by strain sensor Q-100 from Dantec dynamics company. Verification of accuracy of sen...
BH - Optika, masery a lasery
- 2014 •
- D
Rok uplatnění
D - Stať ve sborníku
Selected engineering applications of 3-D strain measurements using ESPI
The presented paper introduces the application of the Electronic Speckle Pattern Interferometry (ESPI) technique for measurements of contours of strains and stresses on 3-D surfaces. The paper focuses on three selected applications. Firstly ...
JL - Únava materiálu a lomová mechanika
- 2015 •
- D
Rok uplatnění
D - Stať ve sborníku
Artificial Neural Networks Application in Modal Analysis of Tires
The paper deals with the application of artificial neural networks (ANN) to tires' own frequency (OF) prediction depending on a tire construction. Experimental data of OF were obtained by electronic speckle pattern interferometry (ESPI. The ...
JJ - Ostatní materiály
- 2013 •
- Jx •
- Link
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
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