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Vortex Analysis Library (VALIB)
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SYSNO ASEP 0468628 Document Type L4 - Software R&D Document Type Software Title Vortex Analysis Library (VALIB) Author(s) Šístek, Jakub (MU-W) RID, ORCID, SAI Year of issue 2016 Int.Code valib Technical parameters Open source software package under the New BSD License Economic parameters The software contains state-of-the-art methods for vortex identification. These allow for better identification and visualization of vortices in applications such as flows around vehicles or in turbomachinery, leading to better insight into the vortical structures and potentially to more energy efficient designs. Owner Name Matematický ústav AV ČR, v. v. i. Registration Number of the result owner 67985840 Use by another entity A - Pro využití výsledku jiným subjektem je vždy nutné nabytí licence License fee fee N - Poskytovatel licence nepožaduje licenční poplatek Language eng - English Country CZ - Czech Republic Keywords vortex identification ; average corotation ; residual vorticity ; residual strain-rate Subject RIV BK - Fluid Dynamics R&D Projects GA14-02067S GA ČR - Czech Science Foundation (CSF) Institutional support MU-W - RVO:67985840 Annotation The Vortex Analysis Library (VALIB) is a collection of functions intended for computing local vortex identification criteria out of the velocity gradient at a point in 3D. The project contains some established methods as well as some recently developed methods. Functions have a common interface based on the velocity gradient at a point in 3D, which is a 3x3 matrix stored in a column-major format. On the output from each function, there is the demanded quantity - one or more scalars, a vector of length 3, or a 3x3 matrix, depending on the nature of the quantity. The intended use of the library is to evaluate a vortex identification quantity for each point in a 3-D flow field by calling a VALIB function at each of these points and storing the result. These values can be then used for postprocessing, e.g. by plotting isosurfaces of the scalar quantities. Workplace Mathematical Institute Contact Jarmila Štruncová, struncova@math.cas.cz, library@math.cas.cz, Tel.: 222 090 757 Year of Publishing 2017
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