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Multiscale Modelling of Landslides and Debris Flows

Multiscale Modelling of Landslides and Debris Flows

Objective

Landslides and debris flows are serious geo-hazards common to countries with mountainous terrains. The high speed and the enormity of debris mass make debris flows one of the most dangerous natural hazards. Debris flows are often triggered by landslides partially or completely mobilizing into debris flows. Globally, landslides cause billions of dollars in damage and thousands of deaths and injuries each year. The numerous devastating events worldwide have made us aware of the complexity of landslides and debris flows and our insufficient knowledge to make reliable predictions. Traditional tools for prediction and design are based on limit equilibrium analysis for landslides and shallow water model with Finite Difference solver for debris flows. Usually soil and debris are modelled as single phase materials with constant material properties. That the simple models are unable to account for the complex behaviour of landslides and debris flows, which can be best described as multiphase and multiscale, is well known to researchers and stakeholders. Obviously there is an urgent need for better understanding of the triggering mechanisms, for reliable prediction of runout dynamics, deposition pattern and impact forces and for rational design of stabilization and protection structures. The last decade saw rapid developments in advanced constitutive models, experimental techniques in laboratory and in-situ, mechanics of multiphase media, localized deformation analysis, Discrete Element Method (DEM), advanced Finite Element Method (FEM) and Computational Fluid Dynamics (CFD). Training in these subjects has been rather sporadic and scattered in various disciplines. By integrating these advances into a coherent research network we expect to achieve the breakthrough in the research on landslides and debris flows, i.e. a consistent physical model with robust numerical scheme to provide reliable prediction and rational design of protection measures for landslides and debris flows.
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Coordinator

UNIVERSITAET FUER BODENKULTUR WIEN

Address

Gregor Mendel Strasse 33
1180 Wien

Austria

Activity type

Higher or Secondary Education Establishments

EU Contribution

€ 1 141 147,30

Administrative Contact

Wei Wu (Prof.)

Participants (12)

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CENTRE INTERNACIONAL DE METODES NUMERICS EN ENGINYERIA

Spain

EU Contribution

€ 381 935,79

EIDGENOESSISCHE TECHNISCHE HOCHSCHULE ZUERICH

Switzerland

EU Contribution

€ 327 627,90

INSTITUT POLYTECHNIQUE DE GRENOBLE

France

EU Contribution

€ 340 014

TECHNISCHE UNIVERSITAT DARMSTADT

Germany

EU Contribution

€ 366 049,40

UNIVERSITA DEGLI STUDI DI PADOVA

Italy

EU Contribution

€ 521 920,71

THE UNIVERSITY OF NOTTINGHAM

United Kingdom

EU Contribution

€ 641 648,80

OVE ARUP & PARTNERS INTERNATIONAL LIMITED

United Kingdom

BAUGRUND DRESDEN INGENIEURGESELLSCHAFT MBH

Germany

EU Contribution

€ 75 862,80

Bundesforschungs-und Ausbildungszentrum für Wald, Naturgefahren und Landschaft

Austria

EU Contribution

€ 120 484,30

INSTITUT NATIONAL DE RECHERCHE EN SCIENCES ET TECHNOLOGIES POUR L'ENVIRONNEMENT ET L'AGRICULTURE

France

EU Contribution

€ 169 987,20

ITASCA CONSULTANTS GMBH

Germany

EU Contribution

€ 151 725,60

TEERAG-ASDAG AG

Austria

EU Contribution

€ 80 323,20

Project information

Grant agreement ID: 289911

Status

Closed project

  • Start date

    1 January 2012

  • End date

    31 December 2015

Funded under:

FP7-PEOPLE

  • Overall budget:

    € 4 318 727

  • EU contribution

    € 4 318 727

Coordinated by:

UNIVERSITAET FUER BODENKULTUR WIEN

Austria