The universities and scientific research institutions in the HLRN alliance together with the two HLRN compute sites cover important fields of expertise within the fields of scientific computing and the wide range of application areas. These fields of expertise reflect the longtime expertise of the HLRN complemented by the support offers of the HLRN network of expertise.

The most important fields of expertise and focus areas in the large number of research and development contributions done in the HLRN area are specified here. Within the groups of application sciences the main focus is gives to the fields of

• environmental research,
• life sciences,
• computational chemistry and materials science, and
• fluid dynamics.

Within the area of scientific computing the main focus is gives to the fields of

• manycore and vector processors,
• hierarchies of memory
• data assimilation and data intense computing, and
• program portability and programming productivity.