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University of Cambridge > Talks.cam > Isaac Newton Institute Seminar Series > Variable resolution and uniform second and third Order approximation order
Variable resolution and uniform second and third Order approximation orderAdd to your list(s) Download to your calendar using vCal
If you have a question about this talk, please contact Mustapha Amrani. Multiscale Numerics for the Atmosphere and Ocean Approximations on polygonal grids, such as cube sphere or icosahedral require a slightly irregular grid, as for high resolution no uniform polygonal cover by cells is possible. For variable resolution sudden refinement is considered not possible by some authors and a gradual change of resolution is preferred,such as with the new MPAS model of NCAR . It will be shown that such problems can be traced back to a decrease of approximation order to 1 in points where the resolution is irregular. Examples will be given to show that a jump of resolution is possible without problems when care is taken that in such points an approximation order 2 or 3 is maintained. This talk is part of the Isaac Newton Institute Seminar Series series. This talk is included in these lists:
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