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. 2018 Apr 3;8:5581. doi: 10.1038/s41598-018-23488-y

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© The Author(s) 2018

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Application of T-PT in resolving a complex fluid flow across a stack of cylinders. (a) Schematic of a 2D Computational Fluid Dynamics (CFD) flow simulation around the periodically spaced cylinders. This displacement field is prescribed to a synthetically generated particle image pair. Inset shows a zoomed-in particle image subset to highlight the high particle seeding density in the images. (b) Contour plot of the magnitude of the 2D displacement field extracted from the CFD simulation. (c,e) Contour plot of the displacement vector magnitude recovered by T-PT and FIDIC, respectively from the synthetic images. (d,f) Contour plot of the displacement error from the recovered displacement field via T-PT and FIDIC, respectively.