Addressing the challenges of implementation of high-order finite volume schemes for atmospheric dynamics of unstructured meshes

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dc.contributor.authorTsoutsanis, Panagiotis
dc.contributor.authorDrikakis, Dimitris
dc.date.accessioned2016-09-21T10:33:44Z
dc.date.available2016-09-21T10:33:44Z
dc.date.issued2016-06-30
dc.description.abstractThe solution of the non-hydrostatic compressible Euler equations using Weighted Essentially Non-Oscillatory (WENO) schemes in two and three-dimensional unstructured meshes, is presented. Their key characteristics are their simplicity; accuracy; robustness; non-oscillatory properties; versatility in handling any type of grid topology; computational and parallel efficiency. Their defining characteristic is a non-linear combination of a series of high-order reconstruction polynomials arising from a series of reconstruction stencils. In the present study an explicit TVD Runge-Kutta 3rd -order method is employed due to its lower computational resources requirement compared to implicit type time advancement methods. The WENO schemes (up to 5th -order) are applied to the two dimensional and three dimensional test cases: a 2D rising.en_UK
dc.identifier.citationTsoutsanis, P., Drikakis, D. (2016) Addressing the challenges of implementation of high-order finite-volume schemes for atmospheric dynamics of unstructured meshes, Proceedings of the ECCOMAS Congress 2016 VII European Congress on Computational Methods in Applied Sciences and Engineering, 5-10 June 2016, Crete, Greece.en_UK
dc.identifier.urihttp://www.eccomas2016.org/proceedings/pdf/8406.pdf
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/10560
dc.language.isoenen_UK
dc.publisherEuropean Congress on Computational Methods in Applied Sciences and Engineeringen_UK
dc.rightsPublished by European Congress on Computational Methods in Applied Sciences and Engineering. This is the final published version of the article (version of record). Available at: http://www.eccomas2016.org/proceedings/pdf/8406.pdf Please refer to any applicable publisher terms of use.en_UK
dc.subjectWENOen_UK
dc.subjectUnstructured meshesen_UK
dc.subjectNon-hydrostaticen_UK
dc.subjectRising bubbleen_UK
dc.titleAddressing the challenges of implementation of high-order finite volume schemes for atmospheric dynamics of unstructured meshesen_UK
dc.typeConference paperen_UK

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