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  2. School of Engineering
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dc.contributor.authorSiyahhan, Bercan-
dc.contributor.authorBoiger, Gernot-
dc.contributor.authorFallah, Arash-
dc.contributor.authorKhawaja, Hassan-
dc.contributor.authorMoatamedi, Moji-
dc.date.accessioned2024-03-15T15:55:18Z-
dc.date.available2024-03-15T15:55:18Z-
dc.date.issued2023-12-
dc.identifier.issn2409-1669de_CH
dc.identifier.issn2409-7527de_CH
dc.identifier.urihttps://www.multiphysics.org/s/MULTIPHYSICS-2023-Abstract-Booklet.pdfde_CH
dc.identifier.urihttps://digitalcollection.zhaw.ch/handle/11475/30252-
dc.description.abstractMany industrial applications involve particles transported by a carrier fluid flow with additional multi-physical effects such as electromagnetics. The simulation of such processes is computationally expensive especially because of the diverse dimensional and time scales involved. In this study, the time scale for the fluid flow to be stably simulated is shown to be up to 2 orders of magnitude higher than the time scale for a spherical particle to assume carrier flow velocity. A semi-transient solution methodology has been devised, utilizing a dual time stepping approach for the flow and particle simulations. In this methodology, first the flow field is simulated with the larger time step, saving the resultant fields at regular intervals serving as snap shots of the flow. Then between each snap shot, the flow is treated as steady state, facilitating the calculation of the particle trajectory based on the resultant forces. This approach is especially suitable for applications where the particle cloud density is low enough not to have a significant effect on the flow field warranting a one way coupling. The accuracy of the method is established by comparing key performance parameters such as coating transfer efficiency and the homogeneity of the coating obtained from a fully transient simulation. The saving potential in terms of computational resources is also quantifiedde_CH
dc.language.isoende_CH
dc.publisherInternational Society of Multiphysicsde_CH
dc.rightsLicence according to publishing contractde_CH
dc.subjectMultiphysicsde_CH
dc.subjectParticle dynamicsde_CH
dc.subjectSemi-transientde_CH
dc.subjectDual time steppingde_CH
dc.subjectOpenFOAMde_CH
dc.subjectEulerian Lagrangiande_CH
dc.subject.ddc530: Physikde_CH
dc.titleA semi transient methodology for dual time stepping of particle and flow field simulations of an Eulerian-Lagrangian multiphysics solverde_CH
dc.typeKonferenz: Sonstigesde_CH
dcterms.typeTextde_CH
zhaw.departementSchool of Engineeringde_CH
zhaw.organisationalunitInstitute of Computational Physics (ICP)de_CH
zhaw.conference.details18th International Conference of Multiphysics, Graz, Austria, 14-15 December 2023de_CH
zhaw.funding.euNode_CH
zhaw.originated.zhawYesde_CH
zhaw.pages.start40de_CH
zhaw.publication.statuspublishedVersionde_CH
zhaw.publication.reviewPeer review (Abstract)de_CH
zhaw.title.proceedingsMultiphysics 2023de_CH
zhaw.webfeedMultiphysics Modelingde_CH
zhaw.author.additionalNode_CH
zhaw.display.portraitYesde_CH
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Siyahhan, B., Boiger, G., Fallah, A., Khawaja, H., & Moatamedi, M. (2023). A semi transient methodology for dual time stepping of particle and flow field simulations of an Eulerian-Lagrangian multiphysics solver [Conference presentation]. Multiphysics 2023, 40. https://www.multiphysics.org/s/MULTIPHYSICS-2023-Abstract-Booklet.pdf
Siyahhan, B. et al. (2023) ‘A semi transient methodology for dual time stepping of particle and flow field simulations of an Eulerian-Lagrangian multiphysics solver’, in Multiphysics 2023. International Society of Multiphysics, p. 40. Available at: https://www.multiphysics.org/s/MULTIPHYSICS-2023-Abstract-Booklet.pdf.
B. Siyahhan, G. Boiger, A. Fallah, H. Khawaja, and M. Moatamedi, “A semi transient methodology for dual time stepping of particle and flow field simulations of an Eulerian-Lagrangian multiphysics solver,” in Multiphysics 2023, Dec. 2023, p. 40. [Online]. Available: https://www.multiphysics.org/s/MULTIPHYSICS-2023-Abstract-Booklet.pdf
SIYAHHAN, Bercan, Gernot BOIGER, Arash FALLAH, Hassan KHAWAJA und Moji MOATAMEDI, 2023. A semi transient methodology for dual time stepping of particle and flow field simulations of an Eulerian-Lagrangian multiphysics solver. In: Multiphysics 2023 [online]. Conference presentation. International Society of Multiphysics. Dezember 2023. S. 40. Verfügbar unter: https://www.multiphysics.org/s/MULTIPHYSICS-2023-Abstract-Booklet.pdf
Siyahhan, Bercan, Gernot Boiger, Arash Fallah, Hassan Khawaja, and Moji Moatamedi. 2023. “A Semi Transient Methodology for Dual Time Stepping of Particle and Flow Field Simulations of an Eulerian-Lagrangian Multiphysics Solver.” Conference presentation. In Multiphysics 2023, 40. International Society of Multiphysics. https://www.multiphysics.org/s/MULTIPHYSICS-2023-Abstract-Booklet.pdf.
Siyahhan, Bercan, et al. “A Semi Transient Methodology for Dual Time Stepping of Particle and Flow Field Simulations of an Eulerian-Lagrangian Multiphysics Solver.” Multiphysics 2023, International Society of Multiphysics, 2023, p. 40, https://www.multiphysics.org/s/MULTIPHYSICS-2023-Abstract-Booklet.pdf.


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