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      Modeling artifacts in the simulation of the sedimentation of raindrops with a Quadrature Method of Moments

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      General Information:

      Citation:
      Jasor, G. , Wacker, U. , Beheng, K. D. and Polifke, W. (2014): Modeling artifacts in the simulation of the sedimentation of raindrops with a Quadrature Method of Moments , Meteorologische Zeitschrift, 23 (4), pp. 369-385 . doi: 10.1127/0941-2948/2014/0590
      Cite this page as:
      hdl:10013/epic.44254
      DOI:
      https://doi.org/10.1127/0941-2948/2014/0590
      Official URL:
      http://www.schweizerbart.de/papers/metz/detail/prepub/84225/Modeling_artifacts_in_the_simulation_of_the_sedime?af=crossref
      Contact Email:
      Lilian.Schubert@awi.de
      Related Data:

      Abstract:

      The Quadrature Method of Moments (QMoM) is applied to a one-dimensional test case for sedimentation of raindrops. Comparison of the results with a reference spectral method exhibits discrepancies (“step patterns”) that must be considered as modeling artifacts. As the QMoM has been demonstrated to be effective and accurate in various contexts, the origin of these artifacts is investigated and found to be related to the transport of the quadrature abscissas. Further test cases are considered to examine the influence of different initial conditions on the development of the modeling artifacts. The study shows that these artifacts are inherent to the application of QMoM in pure sedimentation context.

      Further Details:

      Item Type:
      Article
      Authors:
      Jasor, Gary ; Wacker, Ulrike ; Beheng, Klaus Dieter ; Polifke, Wolfgang
      Divisions:
      AWI Organizations > Climate Sciences > Polar Meteorology
      Primary Division:
      Organizations > AWI Organizations > Climate Sciences > Polar Meteorology
      Programs:
      Helmholtz Research Programs > PACES II (2014-2018) > TOPIC 1: Changes and regional feedbacks in Arctic and Antarctic > WP 1.1: The polar atmosphere, interaction with sea ice, ocean and frozen land
      Primary Topic:
      Helmholtz Programs > Helmholtz Research Programs > PACES II (2014-2018) > TOPIC 1: Changes and regional feedbacks in Arctic and Antarctic > WP 1.1: The polar atmosphere, interaction with sea ice, ocean and frozen land
      Eprint ID:
      36419
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