A Comparison of Fast Chemical Kinetic Solvers in a Simple Vertical Diffusion Model

  • Oswald Knoth
  • Ralf Wolke
Part of the NATO · Challenges of Modern Society book series (NATS, volume 18)


The photochemical reaction mechanisms used in regional air quality models usually consider 20 to 100 pollutant species. The equations resulting from these chemical mechanisms are nonlinear, highly coupled and extremely stiff depending on the time of the day. Therefore, the simulation time of the models is determined to a large degree by the computational burden associated with the solution of the chemistry equations.


Vertical Diffusion Triangular Part Numerical Efficiency Step Size Control Implicit Euler Method 
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Copyright information

© Springer Science+Business Media New York 1994

Authors and Affiliations

  • Oswald Knoth
    • 1
  • Ralf Wolke
    • 1
  1. 1.Institut für TroposphärenforschungPermoserstr. 15LeipzigGermany

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