The effective use of high performance computers is essential if large-scale computations are to be routinely adopted for industrial design. Central to this requirement is the development of accurate and efficient algorithms to simulate the engineering application. However, if such developments are to be utilised by industry, it is equally essential for the software to be easy to use. A series of work programmes at Swansea have been undertaken to meet, in the longer term, these criteria. This paper will discuss these developments, which includes the parallelisation of an unstructured grid generator and algorithms to simulate fluid dynamics and electromagnetic scattering. In addition, details will be presented of a computer software environment that has been developed for pre and post-processing for unstructured grid-based computational simulation. The environment enables arbitrary computer application software to be integrated to provide a multi-disciplinary engineering analysis capability within one unified computational framework. The environment includes a set of parallel tools to help the user maximise the potential of high performance computers and networks.

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