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About DIGA

"Degradation and Instabilities in Geomaterials with Application to Hazard Mitigation" (DIGA) is a Research and Training Network programme supported by the European Union under the Fifth Framework Programme, individual programme "Improving the Human Research Potential and the Socio-economic Base".

For more information about Research and Training Networks in general, please see the above linked web-page, and especially the answers to the Frequently Asked Questions. The main point is that

The primary objective of Research Training Networks is to promote training-through-research, especially of young researchers, both pre- and post-doctoral level, within the frame of high quality transnational collaborative research projects, including those in emerging fields of research. In addition to their primary role of training young researchers, Research Training Networks are also intended to encourage the interaction between different disciplines, the combination of different technologies, the dissemination of results and co-operation between academia and industry.

Research Objectives

The research objective of the network is threefold:

  1. Bridging the length scales - continuum and statistical Physics aspects: This refers to further development of mechanism-based constitutive models for granular media and other geomaterials, with the emphasis on finite strain formulation, texture development, and deformation patterning, self organisation phenomena and microstructure evolution. These theories will refer to meso-scale constitutive modelling (e.g. shear-banding, damage diffusion).
  2. Hydro-chemo-mechanical modeling of Geo-materials: The corresponding research objective is the formulation and refinement of the continuum mechanics framework at the element level for geomaterials with chemically reacting or internally mobile interpenetrating phases. These theories will refer to macro-scale constitutive modeling (e.g. sand erosion, rock weathering, diagenesis and stress-assisted chemical dissolution).
  3. Geo-mechanical phase changes: The main aim here is to provide the mathematical/numerical tools which will lead to realistic descriptions of such phases changes , commonly termed as failure and post-failure behaviors of Geostructures. The particular research objective is to consider realistically the nonlinear processes and the resulting instabilities, which take place during dynamic earth-movements and/or rapid earth- or rock flows.

Some Data about DIGA

DIGA is a project funded by the European Commission, with an overall budget of 1 350 000 €, of which sum more than 60% will be used to provide at least 259 man-months of research and training for young researchers. The duration of the project is four years, starting from October 2002. The project team is formed by nine institutions, which have already participated in joint research programmes and six of which are members of the Alliance de Laboratoires Européens pur la Recherche et la Technologie (A.L.E.R.T.).

DIGA - 2006
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