Numerical simulation plays a dominant role in understanding physical phenomena involved in fusion, a natural reaction occuring in the Sun as well as in the stars in the Universe and which could be the future of energy supplies on the Earth.
To reproduce turbulent ﬂows involving a number of ﬂuids (liquid or gas) are of huge interest in a variety of areas of application such as nuclear power station cooling, optimisation of fuel consumption in a motor, fabrication of new materials for aeronautic and space vehicles or puriﬁcation of steel.
How can we make sure that a therapeutic molecule reaches its target unhindered? This is an important issue for the pharmaceutical industry: sometimes molecules that have been successfully tested in-vitro fail in-vivo to cross the barrier formed by the membrane of their target cells.
Climatology is probably the most demanding scientific discipline in terms of computing time. With so many parameters, on a range of scales, that need to be included, modelling climate change is not a simple matter but it is one of crucial importance for the future of the planet.