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Nov 15 2012
2012 Modern Numerical Methods for Modeling Convection in the Earth’s Mantle
Timo Heister, Ph.D. Texas A&M UniversityWe present the new open source code ASPECT for modeling convection in the earth's mantle (see www.dealii.org/aspect). ASPECT uses...
https://geodynamics.org/events/details/151
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Oct 11 2012
2012 Using Existing Libraries to Improve and Solve Computational Problems
Wolfgang Bangerth, Ph.D. Associate Professor, Department of Mathematics, Texas A&M UniversityOver the past 20 years, there have been two landmark shifts in computational science and...
https://geodynamics.org/events/details/5
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Apr 11 2013
2013 Bayesian Earthquake Modeling
Sarah Minson, Ph.D. US Geological SurveyThis seminar will provide an introduction to Bayesian analysis and its advantages and disadvantages relative to traditional optimization approaches for...
https://geodynamics.org/events/details/154
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Jan 10 2013
2013 High Performance Implicit Solvers for Geodynamics
Jed Brown, Ph.D. Argonne National Laboratory This presentation will introduce the leading methodologies for large-scale linear and nonlinear solvers, guidelines for algorithmic...
https://geodynamics.org/events/details/152
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May 16 2013
2013 Stellar Scalable Pseudospectral Methods and the Geodynamo
Nick Featherstone, Ph.D. CU BoulderThis webinar will begin with a brief overview of recent efforts to model convection and dynamos in the Sun and other stars. Such models (massive stars in...
https://geodynamics.org/events/details/155
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Oct 10 2013
2013 The World Is Not Enough: Mantle Dynamics from a Planetary Perspective
Scott KingProfessor, Department of Geosciences, Virginia Polytechnic InstituteWhile many CIGers are firmly rooted here on planet Earth, CIG modeling tools can and are being applied to interesting...
https://geodynamics.org/events/details/156
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Mar 21 2013
2013 Using Relax to Probe the Rheology of the Lithosphere
Professor Sylvain BarbotNanyang Technological UniversityThe Relax software implements a semi analytic solver in the Fourier domain to simulation stress change and deformation in the lithosphere...
https://geodynamics.org/events/details/153
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Nov 14 2013
2013 Using SELEN to Solve the Sea Level Equation
Giorgio SpadaProfessor, Universita’ di UrbinoWhen the mass of an ice sheet changes, sea level does not varies uniformly around the world. There are many reasons for this: the solid Earth...
https://geodynamics.org/events/details/157
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Apr 10 2014
2014 ASPECT: Science Highlights
ASPECT TeamASPECT, the Advanced Solver for Problems in Earth's ConvecTion, is a finite element code to simulate problems in thermal convection in both 2D and 3D models primarily focused on...
https://geodynamics.org/events/details/161
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May 15 2014
2014 Community Dynamo Code Development Project
Jon Aurnou (UCLA) & the Geodynamo TeamOver the past 20 years, researchers have made great strides in simulating convection-driven dynamo action. They have modeled convection of...
https://geodynamics.org/events/details/162
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Oct 09 2014
2014 Earth System Bridge: NSF's EarthCube entry point for solid Earth geosciences
Anna Kelbert, Ph.D.Oregon State UniversityNSF’s EarthCube is a relatively new Earth science knowledge integration initiative. It has a grand ambition to develop a common cyberinfrastructure...
https://geodynamics.org/events/details/163
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Feb 13 2014
2014 Exascale Visualization: Why Things Will Change For You
Hank Childs Professor, University of OregonExascale computing is on the horizon, and may appear as soon as 2019. So what does this mean for visualization? Plenty. Exascale machines will place...
https://geodynamics.org/events/details/159
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Jan 09 2014
2014 Interactive Visualization for Scientific Data Analysis
Dr. Oliver Kreylos University of California, DavisVisualization, the process of turning data into pictures (or movies) for analysis or communication of results, is a long-established...
https://geodynamics.org/events/details/158
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Mar 13 2014
2014 Software and the Scholarly Record
MacKenzie Smith University Librarian, University of California, DavisModeling and other forms of computational science require software to be shared and preserved, to insure reproducibility of...
https://geodynamics.org/events/details/160
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Nov 13 2014
2014 Software Design and packaging for extensibility, provenance, and sharing
Jed Brown, Ph.D.Argonne National LabThere is more to developing successful scientific software than the core numerical implementation. Slapping an open source license on the code does not...
https://geodynamics.org/events/details/164
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Feb 12 2015
2015 Accuracy and Performance Benchmarks for Geodynamo Simulation
Eric Heien, Ph.D. & Hiro Matsui, Ph.D.University of Davis, CaliforniaNumerical simulations of planetary dynamos have revealed many scientific insights over the past several years....
https://geodynamics.org/events/details/166
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Oct 08 2015
2015 An introduction to BurnMan - a mineral physics toolkit
Sanne Cottar, Ph.D., University of Cambridge; Professor Timo Heister, Clemson University; Bob Myhill, Ph.D., University of Bayreuth; Ian Rose, University of...
https://geodynamics.org/events/details/170
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2015 An introduction to BurnMan - a mineral physics toolkit
03 Feb 2021 | Contributor(s):: Sanne Cottar, Timo Heister, Bob Myhill, Ian Rose, Cayman Unterborn
In this webinar we will introduce the extensible, open source mineral physics toolkit BurnMan. This software allows the user to calculate the elastic and thermodynamic properties of rocks, minerals, fluids and melts based on the properties of end-member phases. BurnMan is bundled with...
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Dec 03 2015
2015 An introduction to Virtual Quake
Kasey Schultz, University of California, DavisThis webinar will introduce Virtual Quake, a boundary element code that performs simulations of fault systems based on stress interactions between...
https://geodynamics.org/events/details/172
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2015 An introduction to Virtual Quake
04 Feb 2021 | Contributor(s):: Kasey Schultz, John Wilson
This webinar will introduce Virtual Quake, a boundary element code that performs simulations of fault systems based on stress interactions between fault elements to understand long term statistical behavior. The webinar will cover:Downloading, installing and running Virtual...
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Mar 12 2015
2015 ASPECT: From Benchmarking to 3D Subduction Applications
Cedric Thieulot, Ph.D.; Anne Glerum, and Menno FratersUniversity of UtrechtASPECT, the Advanced Solver for Problems in Earth's Convection, is an extensible open source, community supported...
https://geodynamics.org/events/details/167
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2015 ASPECT: From Benchmarking to 3D Subduction Applications
04 Feb 2021 | Contributor(s):: Cedric Thieulot, Anne Glerum, Menno Fraters, Wim Spakman
ASPECT, the Advanced Solver for Problems in Earth's Convection, is an extensible open source, community supported code. The code is being applied to a broad range of problems in geodynamics. This talk will explore the community's efforts in benchmarking, implementation of...
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May 28 2015
2015 Ground motion simulation, seismic imaging, large-scale time series processing, and Big Data technology for solving earth science problems
Arben Pitarka, Ph.D., Douglas Dodge, Ph.D, Steven Magana-Zook, & Stanley Ruppert, Ph.D.Lawrence Livermore National LabWe begin with an overview of current projects at...
https://geodynamics.org/events/details/169
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Jan 15 2015
2015 Influence of numerical discretization on preferred thermal convection patterns in a 3-D spherical shell
Pierre Arrial, Ph.D. & Professor Louise KelloggUniversity of Davis, California3-D numerical simulations of thermal convection in a spherical shell have become a standard for studying the...
https://geodynamics.org/events/details/165
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Nov 12 2015
2015 Simulating seismic wave propagation with SW4
Anders Petersson Lawrence Livermore National LaboratoryThis webinar describes how to use the SW4 code to simulate ground motion due to earthquakes. After a brief overview of the numerical...
https://geodynamics.org/events/details/171
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2015 Simulating seismic wave propagation with SW4
04 Feb 2021 | Contributor(s):: Anders Petersson
This webinar describes how to use the SW4 code to simulate ground motion due to earthquakes. After a brief overview of the numerical method, we describe how to set up a simulation in terms of seismic sources, the material model, visco-elastic attenuation, and topography. We also present some of...
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Apr 09 2015
2015 Work flows and 3-D geodynamic simulations of the India-Eurasia collision zone
Professor Lucy FleschPurdue UniversityThe theory of plate tectonics tends to breakdown at continental collisional boundaries where deformation is diffuse and highly spatially variable. ...
https://geodynamics.org/events/details/168
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Nov 10 2016
2016 Intricacies of particle-in-cell methods in convection models with adaptive meshes: Using ASPECT's particle implementation
Rene Gassmoeller, CSU Fort CollinsParticle-in-cell methods have a long history in modeling of mantle convection, lithospheric deformation and crustal dynamics. However, their efficient parallel...
https://geodynamics.org/events/details/178
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May 12 2016
2016 Resolution analysis by random probing
Andreas Fichtner, ETHWe present a new method for resolution analysis in tomography, based on stochastic probing of the Hessian or resolution operators. Key properties of the method are (i) low...
https://geodynamics.org/events/details/176
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2016 Resolution analysis by random probing
04 Feb 2021 | Contributor(s):: Andreas Fichtner, Tristan van Leeuwen
We present a new method for resolution analysis in tomography, based on stochastic probing of the Hessian or resolution operators. Key properties of the method are (i) low algorithmic complexity and easy implementation, (ii) applicability to any tomographic technique, including full-waveform...
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Oct 13 2016
2016 Software Practices in Computational Science Communities – an Overview
Anshu Dubey, Argonne National Laboratory Scientific code developers typically adopt software processes derived from the mainstream (non-scientific) community when continuing without...
https://geodynamics.org/events/details/177
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2016 Software Practices in Computational Science Communities – an Overview
04 Feb 2021 | Contributor(s):: Anshu Dubey
Scientific code developers typically adopt software processes derived from the mainstream (non-scientific) community when continuing without them becomes impractical. However, many software best practices need modification and/or customization, partly because the codes are used for...
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Mar 10 2016
2016 Statistical and computational challenges of constraining greenhouse gas budgets
Anna M. Michalak, Carnegie Institution for SciencePredicting future changes to the global carbon cycle (and therefore climate) and quantifying anthropogenic emissions of greenhouse gases (GHGs)...
https://geodynamics.org/events/details/175
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2016 Statistical and computational challenges of constraining greenhouse gas budgets
04 Feb 2021 | Contributor(s):: Anna M. Michalak
Predicting future changes to the global carbon cycle (and therefore climate) and quantifying anthropogenic emissions of greenhouse gases (GHGs) both require an understanding of net GHGs emissions and uptake across a variety of spatial and temporal scales. This talk will explore some of the...
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Feb 11 2016
2016 Uncertainty Quantification in Computational Models of Physical Systems
Habib Najm, Sandia National LaboratoryModels of physical systems typically involve inputs/parameters that are determined from empirical measurements, and therefore exhibit a certain...
https://geodynamics.org/events/details/174
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2016 Uncertainty Quantification in Computational Models of Physical Systems
04 Feb 2021 | Contributor(s):: Habib Najm
Models of physical systems typically involve inputs/parameters that are determined from empirical measurements, and therefore exhibit a certain degree of uncertainty. Estimating the propagation of this uncertainty into computational model output predictions is crucial for purposes...
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2016 Verification, Validation, and Predictive Capability: What's What?
04 Feb 2021 | Contributor(s):: William Oberkampf
Engineering and geosciences organizations must increasingly rely on computational simulation for the design, predicted response, and performance of manmade and natural systems. Computational analysts, decision makers, and regulatory authorities who rely on simulation should have practical...
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Apr 13 2017
2017 An overview of PyLith plus a preview of multiphysics and other features coming in PyLith v3.0
Brad Aagaard, USGSI will give an overview of PyLith, including a discussion of the types of applications for which it is designed, the features currently available, and the user workflow...
https://geodynamics.org/events/details/182
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Oct 12 2017
2017 Geodynamic modeling with staggered finite differences and marker in cell: theory, teaching and examples
Taras Gerya, ETH ZurichNumerical modeling of geodynamic processes is an essential approach in both science and industry with ever- growing demand and high efficiency/cost ratio. Current trend in...
https://geodynamics.org/events/details/183
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2017 Geodynamic modeling with staggered finite differences and marker in cell: theory, teaching and examples
04 Feb 2021 | Contributor(s):: Taras Gerya
Numerical modeling of geodynamic processes is an essential approach in both science and industry with ever- growing demand and high efficiency/cost ratio. Current trend in geodynamic modeling is to develop universal approaches with potentially unlimited number of applications. One simple...
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Mar 09 2017
2017 Introduction to the spectral-infinite-element method
Hom Nath Gharti and Jeroen Tromp, Princeton UniversityThe governing equations for the elastic-gravitational deformation of an Earth model involve a perturbed gravitational potential. The...
https://geodynamics.org/events/details/181
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2017 Introduction to the spectral-infinite-element method
04 Feb 2021 | Contributor(s):: Hom Nath Gharti, Jeroen Tromp
The governing equations for the elastic-gravitational deformation of an Earth model involve a perturbed gravitational potential. The gravitational potential is governed by Poisson’s equation inside the Earth and by Laplace’s equation in the rest of space. The infinite domain...
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Feb 09 2017
2017 Project Jupyter for the geosciences
Ian Rose, UC BerkeleyAs the results of scientific computing become more central in the geosciences, we have been confronted with a series of challenges that were not necessarily obvious from the...
https://geodynamics.org/events/details/180
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Nov 16 2017
2017 Tools and approaches for teaching computation and modeling: geodynamics and beyond
Max Rudolph, University of California, DavisI will share experiences teaching computation and modeling using a variety of tools and techniques. First, I will present my philosophy and approach to...
https://geodynamics.org/events/details/184
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May 10 2018
2018 ASPECT 2.0: Improved architecture, new features
Rene Gassmöller, Juliane Dannberg and John Naliboff, UC Davis[All 2017-18 webinars] [YouTube]
https://geodynamics.org/events/details/188
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Nov 08 2018
2018 Introduction to thermal-mechanical lithosphere models with surface processes
Louis Moresi and Romain Beucher, University of MelbourneSurface processes including erosion, transport and sedimentation have the potential to strongly influence crustal and lithospheric...
https://geodynamics.org/events/details/189
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2018 Introduction to thermal-mechanical lithosphere models with surface processes
04 Feb 2021 | Contributor(s):: Louis Moresi, Romain Beucher
Surface processes including erosion, transport and sedimentation have the potential to strongly influence crustal and lithospheric deformation whether passively, through isostatic response, or more actively by affecting the thermal structure, the potential energy field, and / or the local stress...
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Apr 17 2018
2018 New developments in AxiSEM/Instaseis for seismic wave propagation on local scales
Lion Krischer, Simon Staehler, and Martin van Driel, ETH Zurich; Tarje Nissen-Meyer, Oxford UniversityInstaseis (http://instaseis.net) is a Python tool to quickly...
https://geodynamics.org/events/details/187
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Feb 08 2018
2018 Pythonic Geodynamics
Gabriele Morra, University of Louisiana at LafayetteStudents and young researchers who want to learn to use computational tools for geodynamic modeling have the option to choose among a wide range...
https://geodynamics.org/events/details/185
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2018 Pythonic Geodynamics
04 Feb 2021 | Contributor(s):: Gabriele Morra, David A. Yuen, Sang-Mook Lee
Students and young researchers who want to learn to use computational tools for geodynamic modeling have the option to choose among a wide range of numerical tools. I will show how Python and its libraries represent an easy-to-use platform for self-learning, with performance close to compiled...