Articles | Volume 12, issue 2
Atmos. Chem. Phys., 12, 1003–1011, 2012
https://doi.org/10.5194/acp-12-1003-2012
Atmos. Chem. Phys., 12, 1003–1011, 2012
https://doi.org/10.5194/acp-12-1003-2012

Research article 20 Jan 2012

Research article | 20 Jan 2012

A hybrid bin scheme to solve the condensation/evaporation equation using a cubic distribution function

T. Dinh and D. R. Durran T. Dinh and D. R. Durran
  • Department of Atmospheric Sciences, University of Washington, Seattle, Washington 98195, USA

Abstract. A computationally efficient method is proposed to replace the piecewise linear number distribution in a hybrid bin scheme with a piecewise cubic polynomial. When the linear distribution is replaced by a cubic, the errors generated in solutions to the condensation/evaporation equation are reduced by a factor of two to three. Alternatively, using the cubic distribution function allows reducing the number of bins by 20 ± 5% when solving the condensation/evaporation problem without sacrificing accuracy.

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