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Null strain analysis of submerged aneurysm analogues using a novel 3D stereomicroscopy device
To measure the inhomogeneous 3D-strain fields present during inflation-extension testing of physiologically submerged micro-aneurysms, a Stereo Digital Image Correlation (StereoDIC) microscopy system is developed that revolves 15 ° stereo-angle cameras around a centrally-mounted target. Calibration...
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| Published in: | Computer methods in biomechanics and biomedical engineering 2020-06, Vol.23 (8), p.332-344 |
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| Main Authors: | , , , , |
| Format: | Article |
| Language: | English |
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| cited_by | cdi_FETCH-LOGICAL-c496t-f29a15000b4dbad1759a8a9d54c4627cbc9d6fcf1e856cb47484827a41e8482e3 |
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| cites | cdi_FETCH-LOGICAL-c496t-f29a15000b4dbad1759a8a9d54c4627cbc9d6fcf1e856cb47484827a41e8482e3 |
| container_end_page | 344 |
| container_issue | 8 |
| container_start_page | 332 |
| container_title | Computer methods in biomechanics and biomedical engineering |
| container_volume | 23 |
| creator | Lane, Brooks A. Lessner, Susan M. Vyavahare, Narendra R. Sutton, Michael A. Eberth, John F. |
| description | To measure the inhomogeneous 3D-strain fields present during inflation-extension testing of physiologically submerged micro-aneurysms, a Stereo Digital Image Correlation (StereoDIC) microscopy system is developed that revolves 15
°
stereo-angle cameras around a centrally-mounted target. Calibration is performed using submerged dot patterns and system accuracy verified using strain and deformation analyses for rigid body motions of speckle-patterned, micro-aneurysmal surrogates. In terms of the Green-Lagrange strain tensor and the 3D displacement fields, the results are stable even after 120 minutes, with maxima in both strain bias and strain standard deviation less than 2E-03 for all components, and micron-level displacement standard deviation. |
| doi_str_mv | 10.1080/10255842.2020.1724974 |
| format | article |
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°
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°
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°
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| identifier | ISSN: 1025-5842 |
| ispartof | Computer methods in biomechanics and biomedical engineering, 2020-06, Vol.23 (8), p.332-344 |
| issn | 1025-5842 1476-8259 |
| language | eng |
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| source | Taylor and Francis Science and Technology Collection |
| subjects | Aneurysm aortic aneurysm Calibration Cameras cerebral aneurysms Deformation analysis Digital imaging Rigid structures Standard deviation Stereo DIC Stereomicroscopy Tensors |
| title | Null strain analysis of submerged aneurysm analogues using a novel 3D stereomicroscopy device |
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