SPICE workshop Venice 2004 SPICE Seismic wave Propagation and Imaging in Complex media: a European network Welcome to Venice! First Research and Training.

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Presentation transcript:

SPICE workshop Venice 2004 SPICE Seismic wave Propagation and Imaging in Complex media: a European network Welcome to Venice! First Research and Training workshop Sep 25 – Oct 2, 2004

SPICE workshop Venice 2004 SPICE Seismic wave Propagation and Imaging in Complex media: a European network Thanks to The local organizers: Geza Seriani, Angela Marchetto and son, Sergio Persoglia, Erika Vye, and many others! The lecturers: Raul Madariaga, Jose Carcione, Jean-Pierre Vilotte, Peter Moczo, Geza Seriani, Ekkehart Tessmer, Dan Givoli, Roberto Gori, Giovanni Erbacci

SPICE workshop Venice 2004 SPICE Seismic wave Propagation and Imaging in Complex media: a European network Why SPICE? Wave propagation across spatial scales The role of numerical methods Parallelization and supercomputers What is SPICE? The Network The Task Groups Workshops and Meetings The Digital Library Involvement Why SPICE? Wave propagation across spatial scales The role of numerical methods Parallelization and supercomputers What is SPICE? The Network The Task Groups Workshops and Meetings The Digital Library Involvement

SPICE workshop Venice 2004 Motivation There is a wide gap between theoretical/numerical and observational seismology Computational power is now such that 3D numerical approaches to wave propagation will enter routine data fitting procedures (e.g. source or structural imaging) or monitoring The scientific value of 3D simulation data is continuously increasing (e.g. earthquake scenario simulations, global wave propagation) There is little or no infrastructure supporting software development and large data volume handling in the Earth science community The community in computational seismology is fragmented There is a wide gap between theoretical/numerical and observational seismology Computational power is now such that 3D numerical approaches to wave propagation will enter routine data fitting procedures (e.g. source or structural imaging) or monitoring The scientific value of 3D simulation data is continuously increasing (e.g. earthquake scenario simulations, global wave propagation) There is little or no infrastructure supporting software development and large data volume handling in the Earth science community The community in computational seismology is fragmented Why SPICE?

SPICE workshop Venice 2004 Observations: diffractions at the CMB Data compilation by Ed Garnero, Arizona State University.

SPICE workshop Venice 2004 Computational seismology on all scales Lab scale (e.g. modelling high-frequency seismograms from fracturing experiments) Volcano seismology, Reservoir wave propagation Dynamic rupture propagation, earthquake scenario simulation Continental and planetary scale, global wave propagation Lab scale (e.g. modelling high-frequency seismograms from fracturing experiments) Volcano seismology, Reservoir wave propagation Dynamic rupture propagation, earthquake scenario simulation Continental and planetary scale, global wave propagation 0.1m 10km km >1000km Methodology used is converging! Why SPICE?

SPICE workshop Venice 2004 Elastic wave equations Parallelisation Grid 3D Model Simulation Synthetic seismograms Numerical simulation of seismic wave propagation Why SPICE?

SPICE workshop Venice 2004 Computers and waves Computational power has reached a state where we can expect to numerically simulate 3D wave fields in the observed frequency bands. Local seismology: 5x5x5km 10 Hz Regional seismology: 150x150x80km 2 Hz Global seismology (sections): 1 s Global seismology (whole): 5 s Computational power has reached a state where we can expect to numerically simulate 3D wave fields in the observed frequency bands. Local seismology: 5x5x5km 10 Hz Regional seismology: 150x150x80km 2 Hz Global seismology (sections): 1 s Global seismology (whole): 5 s Cut-off frequency Simulations like this require O(10-100) GB RAM and parallel programming Why SPICE?

SPICE workshop Venice 2004 What is (was) missing? -Earth Sciences curriculae usually do not provide training in numerical methods and/or parallel programming. -There is little interaction between the more applied side of wave propagation (exploration) and the more general seismology (even though methodologies are very similar) -We envisage substantial increase in the use of 3D methods in all fields of wave propagation -Seismologists need a toolbox with verified open- source codes for 3D wave propagation -Earth Sciences curriculae usually do not provide training in numerical methods and/or parallel programming. -There is little interaction between the more applied side of wave propagation (exploration) and the more general seismology (even though methodologies are very similar) -We envisage substantial increase in the use of 3D methods in all fields of wave propagation -Seismologists need a toolbox with verified open- source codes for 3D wave propagation Why SPICE?

SPICE workshop Venice 2004 What is SPICE? The partners What is SPICE?

SPICE workshop Venice 2004 SPICE Task Groups What is SPICE? TG: Electronic library Standards for synthetic data storage Digital library with codes, training material Connecting to GRID projects www-pages TG: Research and Training Workshops Workshop organization TG: Planetary and continental scale Forward modelling tools Imaging benchmark TG: Local scale Dynamic rupture modelling Toolbox for rupture problems TG: Small scale Understanding seismic sources in volcanoes Wave propagation through mushy layers (sea floor) TG: Electronic library Standards for synthetic data storage Digital library with codes, training material Connecting to GRID projects www-pages TG: Research and Training Workshops Workshop organization TG: Planetary and continental scale Forward modelling tools Imaging benchmark TG: Local scale Dynamic rupture modelling Toolbox for rupture problems TG: Small scale Understanding seismic sources in volcanoes Wave propagation through mushy layers (sea floor)

SPICE workshop Venice 2004 SPICE Workshops What is SPICE? 2004: Venice International University, Sep 25 – Oct 2 Numerical methods applied to wave propagation Lectures and training 2005: Smolenice Castle, Czech Republic, Sep 4 – 10 Large scale simulations, parallelization, applications Lectures, training, and presentations 2006: Ireland, time and place to be announced Inverse problems in seismology Lectures, training, and presentations 2007: Cargese, Corsica, time to be announced Multidisciplinary research meeting 2004: Venice International University, Sep 25 – Oct 2 Numerical methods applied to wave propagation Lectures and training 2005: Smolenice Castle, Czech Republic, Sep 4 – 10 Large scale simulations, parallelization, applications Lectures, training, and presentations 2006: Ireland, time and place to be announced Inverse problems in seismology Lectures, training, and presentations 2007: Cargese, Corsica, time to be announced Multidisciplinary research meeting

SPICE workshop Venice 2004 SPICE Special sessions computational seismology What is SPICE? 2004: EGU Meeting, Nice 2005: EGU Meeting, Venice 2007: EGU/EAGE Meeting 2004: EGU Meeting, Nice 2005: EGU Meeting, Venice 2007: EGU/EAGE Meeting

SPICE workshop Venice 2004 SPICE Digital Library What is SPICE? Open-source codes for wave propagation problems Related training material for various methodologies (material from workshops) Facilities for synthetic data storage and recovery (e.g. format converters) Synthetic data base (e.g. earthquake scenarios, synthetics for large earthquakes) Open-source codes for wave propagation problems Related training material for various methodologies (material from workshops) Facilities for synthetic data storage and recovery (e.g. format converters) Synthetic data base (e.g. earthquake scenarios, synthetics for large earthquakes)

SPICE workshop Venice 2004 Involvement in SPICE What is SPICE? Workshops and special sessions Participation in task groups, collaboration with SPICE partners Research visits to SPICE partners (can be funded) Use of code library and training material Sign up to SPICE newsletter Participate in SPICE Newsgroup (to be installed) Feedback on workshops, training, www pages, etc. Workshops and special sessions Participation in task groups, collaboration with SPICE partners Research visits to SPICE partners (can be funded) Use of code library and training material Sign up to SPICE newsletter Participate in SPICE Newsgroup (to be installed) Feedback on workshops, training, www pages, etc.

SPICE workshop Venice 2004 Seismic wave Propagation and Imaging in Complex media: a European network Enjoy the workshop!