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Events (1-50 of 53)

  1. May 12 2022

    Poroelastic Implementation in PyLith: Gateway to Multiphysics

    Robert Walker, SUNY BuffaloPyLith, a community, open-source code (https://geodynamics.org/resources/pylith) for modeling quasi-static and dynamic crustal deformation with an emphasis on...

    https://geodynamics.org/events/details/236

  2. Apr 14 2022

    Interaction Between Earthquakes and Interseismic Deformation

    Kali Allison, UC DavisEarthquake cycle models can be used to understand the processes that govern fault and shear zone structure and to link these processes to earthquake cycle...

    https://geodynamics.org/events/details/235

  3. Mar 10 2022

    Dynamo Simulations of Planetary Cores

    Ryan Orvedahl, UC DavisThe majority of solar system planets possess global, or large-scale, magnetic fields. These magnetic fields are all thought to be generated by the dynamo mechanism, whereby...

    https://geodynamics.org/events/details/234

  4. Feb 17 2022

    Energy transfer among flow and magnetic fields with different equatorial symmetry during the dipole reversal in a geodynamo simulation

    Takumi Kera, Tohoku University[movie]The geomagnetic field has reversed its polarity, and some numerical dynamos have suggested that anti-symmetric flow with respect to the equator plays a...

    https://geodynamics.org/events/details/252

  5. Jan 13 2022

    Introduction to reference Earth models and datasets using AVNI

    Pritwiraj ‘Raj’ Moulik, Princeton University• Open-source Python package with APIs to handle data and compute intensive queries• Introduce storage formats or classes for...

    https://geodynamics.org/events/details/233

  6. Nov 12 2020

    2020 Numerical models of lower crustal flow explain Yellowstone's "tectonic parabola"

    Jonathan Perry-Houts, UC Davis. Several hypotheses exist for the origin of the seismically active region of high topography surrounding the Yellowstone hotspot track. Among these is the idea...

    https://geodynamics.org/events/details/7

  7. May 14 2020

    2020 Discovering and addressing social challenges during the evolution of scientific software projects

    Rene Gassmoeller, CIG UC DavisIn the last decade geodynamic software projects have increasingly incorporated state-of-the-art technical best practices like version control, documentation,...

    https://geodynamics.org/events/details/198

  8. Apr 16 2020

    2020 Geodynamic inversion: Methods to link models with data & how that helps to obtain insights in the physics and rheology of the lithosphere

    Boris Kaus, Tobias Baumann, Georg Reuber, and Anton Popov; Institute of Geosciences, Johannes Gutenberg University, Mainz[All 2019-20 webinars] [YouTube]

    https://geodynamics.org/events/details/197

  9. Feb 27 2020

    2020 Seismic data and data products to motivate, guide, and test geodynamic models of the lithosphere and upper mantle

    Brandon Schmandt, University of New MexicoObservational seismic data and data products are among the major sources of information about structure and multi-scale deformation in the lithosphere...

    https://geodynamics.org/events/details/196

  10. Nov 14 2019

    2019 The Release of the GEM Global Active Faults Database and Global Seismic Hazard Map

    Richard Styron, GEM FoundationIn late 2018, the Global Earthquake Model Foundation (GEM) released the initial version of several major products relating to seismic hazard and risk, including...

    https://geodynamics.org/events/details/195

  11. May 16 2019

    2019 Thermodynamic calculations and model generation using ENKI

    Mark Ghiorso, OFM ResearchENKI is a collaborative, web-based model-configuration and testing portal that provides tools in computational thermodynamics and fluid dynamics.  The ENKI...

    https://geodynamics.org/events/details/194

  12. May 09 2019

    2019 HeFESTO: A tool for exploring Earth’s physical properties and their effects on mantle dynamics

    Carolina Lithgow-Bertelloni, UCLA The minerals that exist at the extreme pressure and temperature conditions of the mantle and their physical properties determine the dynamics of the mantle....

    https://geodynamics.org/events/details/193

  13. Apr 11 2019

    2019 TerraFERMA: a framework for rapidly building finite element models in geodynamics

    Cian Wilson, Carnegie Science, DTM, Modern, advanced, open-source computational libraries are giving an increasing amount of power to researchers to develop customized numerical models, tailor...

    https://geodynamics.org/events/details/192

  14. Feb 14 2019

    2019 Conducting Reproducible Science with Sciunits

    Tanu Malik, DePaul UniversityEunseo Choi, University of MemphisScience is conducted collaboratively and often requires sharing of computational experiments. An experiment often includes diverse...

    https://geodynamics.org/events/details/191

  15. Jan 31 2019

    2019 Introduction to Quagmire

    Louis Moresi, University of MelbourneBen Mather, University of SydneyQuagmire is an open source, parallel python module for modelling surface processes and landscape evolution. It comes from the...

    https://geodynamics.org/events/details/190

  16. 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

  17. 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

  18. 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

  19. Mar 08 2018

    2018 Where have all the dimensions gone? Hands on methods for introducing students to non-dimensional numbers in laboratory and numerical modeling

    Eric Mittelstaedt, University of IdahoExperienced modelers are familiar with how non-dimensionalizing mathematical systems can help improve numerical stability, reduce the number of free variables...

    https://geodynamics.org/events/details/186

  20. 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

  21. 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

  22. 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

  23. 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

  24. 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

  25. 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

  26. 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

  27. 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

  28. 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

  29. 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

  30. 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

  31. 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

  32. 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

  33. 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

  34. 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

  35. 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

  36. 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

  37. 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

  38. 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

  39. 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

  40. 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

  41. 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

  42. 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

  43. 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

  44. 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

  45. 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

  46. 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

  47. 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

  48. 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

  49. 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

  50. 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