Itasca Consultants S.A.S.

In a few words

Founded in 1991, ITASCA CONSULTANTS S.A.S. is the European subsidiary of HCItasca, Inc. a group of international experts in numerical modeling that provides computer modeling solutions to further understanding and resolve current engineering-related problems in the following fields.

GEOTECHNICS AND NATURAL HAZARDS

Design, analysis and audit of projects such as tunnels, foundations, dams, slopes, reinforcements, excavations, etc.

Project examples

WASTE DISPOSAL

Analysis of the fracture and damage of materials, flow and transport of particles.

Project examples

MATERIALS AND PROCESS ENGINEERING

Water resources management in porous and fractured media; Pollution diagnostics and design of methods for the decontamination of polluted sites.

HYDROGEOLOGY AND GEOCHEMISTRY

Water resources management in porous and fractured media; Pollution diagnostics and design of methods for the decontamination of polluted sites.

SOFTWARE ENGINEERING

Custom software development based on existing ITASCA codes.

ITASCA develops and sells three classes of two- and three-dimensional codes dedicated to the modeling of:

  FLAC /
FLAC3D
UDEC /
3DEC
PFC 3FLO
Geotechnics and natural hazards  
Hydrogeology and Geochemistry      
Waste disposal
Materials and process engineering      

THE STAFF

Among the 70 engineers who work for HCItasca worldwide, the following are ITASCA CONSULTANTS, S.A.S.:

Daniel BILLAUX
d.billaux@itasca.fr
Managing Director

Dr. Billaux's expertise is in numerical modeling, fractured rock hydrogeology and geomechanics. He has developed and applied numerical models to simulate the flow of water in fractured rock. He has been a program manager for projects in the area of nuclear waste storage and geothermal energy and has provided consulting on many mining and civil engineering projects.

Céline BOURDEAU
c.bourdeau@itasca.fr
Numerical modeling for stability studies in static and dynamic conditions

Dr. Bourdeau has worked on the characterization of the triggering factors of earthquake-induced landslides in dry and wet environments in El Salvador (Las Colinas landslide, 2001) and in Kyrgyzstan (Suusamyr landslide, 1992; Kainama landslide, 2004). She has studied the static response of reinforced slopes in Morocco and geogrid efficiency to prevent the local collapse of a road located above an ancient mine likely to fail in Eastern France. Dr. Bourdeau has participated in several dam studies in Morocco that included thermo-hydro-mechanical processes and reinforcement elements and has studied fracture development in a possible site for nuclear waste disposal in the Northeast of France.

Caroline DARCEL
c.darcel@itasca.fr
Hydrogeological modeling

Dr. Darcel has worked on geometrical characterization and hydrogeological modeling of fractured media. She has focused on the multi-scale properties of network fractures, characterized by power-law fracture size distributions and fractal spatial density distributions. Dr. Darcel also has developed unsaturated flow codes.

Fabian DEDECKER
f.dedecker@itasca.fr
Numerical modeling & soil and rock mechanics

Dr. Dedecker is a civil engineer with over 8 years of experience in the geotechnical and mechanical engineering fields. His areas of specialization are nuclear-waste disposal research, the static and dynamic stability of rock dams, and the study of flow in fractured rock masses, based mainly on discrete approaches.

Yoann Hebert
y.hebert@itasca.fr
Numerical modelling in geomechanics
.
Yoann Hebert has worked on the determination of the mechanical properties of a soil by inverse analysis, during the digging of a tunnel in Toulon (France). He has performed a stability analysis of a 30 years old cavern, and participated in mechanical study of a rock fill dam, constructed above a concrete gallery.

Romain LE GOC
r.legoc@itasca.fr
Numerical modeling in hydrogeology

Mr Le Goc works on numerical modeling of fractured media. He is a graduate engineer in computer sciences and has gain experience in a unit of research in hydrogeology (France). He is skilled in grasping natural media issues and developing efficient numerical models. He has worked on the inverse problem in hydrogeology for highly channelled flow in heterogeneous media. He has participated in discrete fractured network modeling for a nuclear-waste disposal site (Sweden).

PREVIOUS NEWSLETTERS

PROJECTS OF INTEREST (from Groundworks issues 2005-2008):

Itasca Consulting Canada, Inc. - Beyond Numerical Modeling - May 2008

Development of New Analysis Tools for Open Pit Design - Itasca S.A. (Chile) - February 2008

Analysis of the static and dynamic behavior of the MFS (multifunction stations) Faido - 3DEC - Itasca Consultants GmbH (Germany) - December 2007

Study of a minor fracture zone at the Äspö Hard Rock Laboratory - Itasca Geomekanik AB (Sueden) - August 2007

Analysis of the behavior of the Bin El Ouidane dam with respect to seasonal temperature variations and water level changes in the reservoir - FLAC3D - Itasca Consultants S.A.S. (France) - June 2007

3D stability analyses of complex geometry tunnel infrastructure - 3DEC and FLAC3D - Itasca Consulting Group Inc. (USA) - January 2007

Improvement to existing dewatering practices to increase rock stability in highwalls at South African and Botswana diamond mines - MINEDW et MODFLOW - Hydrologic Consultants Inc. (USA) - October 2006

Analysis of geogrids' efficiency to prevent the local collapse of a road on top of ancient mines - FLAC - Itasca Consultants S.A.S. (France) - August 2006

Development a FLAC template to evaluate and reconstruct flood protection in New Orleans - FLAC - Itasca Consulting Group Inc. (USA) - July 2006

Development of a design methodology that better represents barricade construction and the paste filling process - FLAC3D - Itasca Consulting Group Inc. (USA) - February 2006.

Development a 3D visualization package named GeoCad addressing some significant challenges that face numerical modelers to non-technical decision-makers - GeoCad - Itasca Consulting Canada Inc. (Canada) - November 2005.

International Caving Study (an industry-funded research program) aiming at improving understanding of the main factors impacting the successful operation of cave mines : caveability, fragmentation, gravity flow, draw control, and undercut and extraction-level design - REBOP, 3D code developed by HCITASCA engineers from PFC modeling tools - Itasca Consulting Group Inc. (USA) - September 2005

3D analysis of local stability around irregular volumes requiring representation of the actual mining geometry - FLAC3D - Itasca Consulting Group Inc. (USA) - March 2005

Applying FLAC3D to both calibrate observed surface subsidence from an abandoned underground mine and to predict surface subsidence resulting from a proposed new underground mine - FLAC3D - HCITASCA (USA) - January 2005