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Geoscientific Model Development An interactive open-access journal of the European Geosciences Union

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Geosci. Model Dev., 4, 435-449, 2011
© Author(s) 2011. This work is distributed
under the Creative Commons Attribution 3.0 License.
16 May 2011
Automated continuous verification for numerical simulation
P. E. Farrell1, M. D. Piggott1,2, G. J. Gorman1, D. A. Ham1,2, C. R. Wilson3, and T. M. Bond1
1Applied Modelling and Computation Group, Department of Earth Science and Engineering, Imperial College London, SW7 2AZ, UK
2Grantham Institute for Climate Change, Imperial College London, London, SW7 2AZ, UK
3Lamont-Doherty Earth Observatory, Columbia University, New York, USA

Abstract. Verification is a process crucially important for the final users of a computational model: code is useless if its results cannot be relied upon. Typically, verification is seen as a discrete event, performed once and for all after development is complete. However, this does not reflect the reality that many geoscientific codes undergo continuous development of the mathematical model, discretisation and software implementation. Therefore, we advocate that in such cases verification must be continuous and happen in parallel with development: the desirability of their automation follows immediately. This paper discusses a framework for automated continuous verification of wide applicability to any kind of numerical simulation. It also documents a range of test cases to show the possibilities of the framework.

Citation: Farrell, P. E., Piggott, M. D., Gorman, G. J., Ham, D. A., Wilson, C. R., and Bond, T. M.: Automated continuous verification for numerical simulation, Geosci. Model Dev., 4, 435-449, doi:10.5194/gmd-4-435-2011, 2011.
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