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Numerical validation of a simple immersed boundary solver for branched channels simulations
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SYSNO ASEP 0554640 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Numerical validation of a simple immersed boundary solver for branched channels simulations Author(s) Lancmanová, A. (CZ)
Bodnár, Tomáš (MU-W) RID, SAI, ORCID
Keslerová, D. (CZ)Source Title Proceedings of Topical Problems of Fluid Mechanics 2022. - Prague : Institute of Thermomechanics AS CR, 2022 / Šimurda D. ; Bodnár T. - ISSN 2336-5781 - ISBN 978-80-87012-77-2 Pages s. 127-134 Number of pages 8 s. Publication form Print - P Action Topical Problems of Fluid Mechanics 2022 Event date 16.02.2022 - 18.02.2022 VEvent location Prague Country CZ - Czech Republic Event type WRD Language eng - English Country CZ - Czech Republic Keywords branching channel ; incompressible Navier-Stokes ; finite difference ; artificial compressibility Subject RIV BA - General Mathematics OECD category Pure mathematics Institutional support MU-W - RVO:67985840 DOI 10.14311/TPFM.2022.018 Annotation This contribution reports on an ongoing study of incompressible viscous fluid flow in two dimensional branched channels. A new finite difference solver was developed using a simple implementation of an immersed boundary method to represent the channel geometry. Numerical solutions obtained using this new solver are compared with outputs of an older finite volume code working on classical wall tted structured multiblock grid. Besides of the comparative evaluation of obtained solution, the aim is to verify whether the immersed boundary method is suitable (accurate and e cient enough) for simulations of flow in channels with complicated geometry where the the grid generation might be challenging. Workplace Mathematical Institute Contact Jarmila Štruncová, struncova@math.cas.cz, library@math.cas.cz, Tel.: 222 090 757 Year of Publishing 2023
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