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Conference Papers Year : 2012

Numerical Verification of Industrial Numerical Codes

Christophe Denis
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Several approximations occur during a numerical simulation: physical e ects mapy be discarded, continuous functions replaced by discretized ones and real numbers replaced by finite-precision representations. The use of the floating point arithmetic generates round-o errors at each arithmetical expression and some mathematical properties are lost. The aim of the numerical verification activity at EDF R&D is to study the e ect of the round-o error propagation on the results of a numerical simulation. It is indeed crucial to perform a numerical verification of industrial codes such as devel- opped at EDF R&D even more for code running in HPC environments. This paper presents some recent studies around the numerical verification at EDF R&D
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hal-00765536 , version 1 (14-12-2012)



Christophe Denis, Séthy Montan. Numerical Verification of Industrial Numerical Codes. Congrès National de Mathématiques Appliquées et Industrielles, May 2011, Guidel, France. pp.107-113, ⟨10.1051/proc/201235006⟩. ⟨hal-00765536⟩
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