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ESI is a world leading software publisher for the numerical simulation of prototype and manufacturing process engineering in applied mechanics. ESI has developed an extensive suite of coherent, industry-oriented applications to realistically simulate a product’s behaviour. and is the first vendor to offer adjoint based optimisation tools.

The Group held by ESI employs over 750 high-level specialists worldwide covering more than 30 countries. As ESI Group development is based on continuous innovation, the company is qualified as “innovative company” by OSEO, a French innovation agency. ESI has been partner of FP7 grants as well as Marie Curie projects.

Dr. Mustafa Megahed ( is the manager of the CFD & Multiphysics Centre of Excellence at ESI. He has overseen since 2005 the development of the first commercial continuous adjoint solver widely used in automotive industry.

  • D. Vinterler, G. Pierrot, M. Megahed, "Adjoint Based Drag Optimization of a Passenger Car", FISITA 2010, Budapest,
  • G. Pierrot, "An upwind particle scheme for Lagrangian gas dynamics", 1st int. ws of meshfree methods , Bonn, Germany, 2002
  • Mut F, Aubry R, Pierrot G, Roger J, Cebral JR, Löhner R, "Coarse-grain deflation for preconditioned conjugate gradient solvers: application to the pressure Poisson equation", 47th AIAA ASM, Orlando, FL, January 2009.
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