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pro vyhledávání: '"Bendall, Thomas"'
The moist shallow water equations offer a promising route for advancing understanding of the coupling of physical parametrisations and dynamics in numerical atmospheric models, an issue known as 'physics-dynamics coupling'. Without moist physics, the
Externí odkaz:
http://arxiv.org/abs/2409.07182
Autor:
Bendall, Thomas M., Kent, James
Local conservation of mass and entropy are becoming increasingly desirable properties for modern numerical weather and climate models. This work presents a Flux-Form Semi-Lagrangian (FFSL) transport scheme, called SWIFT, that facilitates this conserv
Externí odkaz:
http://arxiv.org/abs/2405.20006
Autor:
Sergeev, Denis E., Boutle, Ian A., Lambert, F. Hugo, Mayne, Nathan J., Bendall, Thomas, Kohary, Krisztian, Olivier, Enrico, Shipway, Ben
Convective processes are crucial in shaping exoplanetary atmospheres but are computationally expensive to simulate directly. A novel technique of simulating moist convection on tidally locked exoplanets is to use a global 3D model with a stretched me
Externí odkaz:
http://arxiv.org/abs/2402.19277
Autor:
Melvin, Thomas, Shipway, Ben, Wood, Nigel, Benacchio, Tommaso, Bendall, Thomas, Boutle, Ian, Brown, Alex, Johnson, Christine, Kent, James, Pring, Stephen, Smith, Chris, Zerroukat, Mohamed, Cotter, Colin, Thuburn, John
The reformulation of the Met Office's dynamical core for weather and climate prediction previously described by the authors is extended to spherical domains using a cubed-sphere mesh. This paper updates the semi-implicit mixed finite-element formulat
Externí odkaz:
http://arxiv.org/abs/2402.13738
The main components of an atmospheric model for numerical weather prediction are the dynamical core, which describes the resolved flow, and the physical parametrisations, which capture the effects of unresolved processes. Additionally, models used fo
Externí odkaz:
http://arxiv.org/abs/2310.01255
Autor:
Sergeev, Denis E., Mayne, Nathan J., Bendall, Thomas, Boutle, Ian A., Brown, Alex, Kavcic, Iva, Kent, James, Kohary, Krisztian, Manners, James, Melvin, Thomas, Olivier, Enrico, Ragta, Lokesh K., Shipway, Ben J., Wakelin, Jon, Wood, Nigel, Zerroukat, Mohamed
We demonstrate that LFRic-Atmosphere, a model built using the Met Office's GungHo dynamical core, is able to reproduce idealised large-scale atmospheric circulation patterns specified by several widely-used benchmark recipes. This is motivated by the
Externí odkaz:
http://arxiv.org/abs/2306.03614
Autor:
Bendall, Thomas M, Wimmer, Golo A
Within finite element models of fluids, vector-valued fields such as velocity or momentum variables are commonly discretised using the Raviart-Thomas elements. However, when using the lowest-order quadrilateral Raviart-Thomas elements, standard finit
Externí odkaz:
http://arxiv.org/abs/2207.03519
A famous feature of the Camassa-Holm equation is its admission of peaked soliton solutions known as peakons. We investigate this equation under the influence of stochastic transport. Noting that peakons are weak solutions of the equation, we present
Externí odkaz:
http://arxiv.org/abs/1910.03018
We present new discretisation of the moist compressible Euler equations, using the compatible finite element framework identified in Cotter and Shipton (2012). The discretisation strategy is described and details of the parametrisations of moist proc
Externí odkaz:
http://arxiv.org/abs/1910.01857
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