74 citations · 292 across the 26 of their papers we have counts for
27 papers
Quantifying the influence of fault geometry via mesh morphing with applications to earthquake dynamic rupture and thermal models of subduction
Gabrielle M. Hobson, Dave A. May, Alice-Agnes Gabriel
Subsurface geometries are often poorly constrained, yet they exert first-order control on key geophysical processes, including subduction zone thermal structure and earthquake rupt…
Delayed dynamic triggering and enhanced high-frequency seismic radiation due to brittle rock damage in 3D multi-fault rupture simulations
Zihua Niu, Alice-Agnes Gabriel, Yehuda Ben-Zion
Using a novel high-performance computing implementation of a nonlinear continuum damage breakage model, we explore interactions between 3D co-seismic off-fault damage, seismic radi…
A Discontinuous Galerkin Method for Simulating 3D Seismic Wave Propagation in Nonlinear Rock Models: Verification and Application to the 2015 Mw 7.8 Gorkha Earthquake
Zihua Niu, Alice-Agnes Gabriel, Sebastian Wolf +3
The nonlinear mechanical responses of rocks and soils to seismic waves play an important role in earthquake physics, influencing ground motion from source to site. Continuous geoph…
Ground Motion Characteristics of Cascading Earthquakes in a Multiscale Fracture Network
Kadek Hendrawan Palgunadi, Alice-Agnes Gabriel, Dmitry Igor Garagash +3
Fault zones exhibit geometrical complexity and are often surrounded by multiscale fracture networks within their damage zones, influencing rupture dynamics and near-field ground mo…
Reduced-order modeling for complex 3D seismic wave propagation
John M. Rekoske, Dave A. May, Alice-Agnes Gabriel
Elastodynamic Green's functions are an essential ingredient in seismology as they form the connection between direct observations of seismic waves and the earthquake source. They a…
Coupling 3D geodynamics and dynamic earthquake rupture: fault geometry, rheology and stresses across timescales
Anthony Jourdon, Jorge Nicolas Hayek, Dave A. May +1
Tectonic deformation crucially shapes the Earth's surface, with strain localization resulting in the formation of shear zones and faults that accommodate significant tectonic displ…
Generalisation of the Navier-slip boundary condition to arbitrary directions: Application to 3D oblique geodynamic simulations
Anthony Jourdon, Dave A. May, Alice-Agnes Gabriel
Although boundary conditions are mandatory to solve partial differential equations, they also represent a transfer of information between the domain being modelled and its surround…
CyberShake Earthquake Fault Rupture Modeling and Ground Motion Simulations for the Southwest Iceland Transform Zone
Otilio Rojas, Marisol Monterrubio-Velasco, Juan E. Rodriguez +8
CyberShake (CS) is a high-performance computing workflow for Probabilistic Seismic Hazard Assessment (PSHA) developed by the Statewide California Earthquake Center. Here, we employ…
Rapid 3D dynamic rupture modeling of the February 6, 2023, Kahramanmaraş, Turkey, 7.8 and 7.7 earthquake doublet
Alice-Agnes Gabriel, Thomas Ulrich, Mathilde Marchandon +2
The 2023 Turkey Earthquake sequence involved unexpected ruptures across numerous fault segments, challenging data interpretation efforts. We present rapid, 3D dynamic rupture simul…
Fault-size dependent fracture energy explains multi-scale seismicity and cascading earthquakes
Alice-Agnes Gabriel, Dmitry I. Garagash, Kadek H. Palgunadi +1
Earthquakes vary in size over many orders of magnitude, yet the scaling of the earthquake energy budget remains enigmatic. We propose that fundamentally different "small-slip" and…
Rupture Dynamics of Cascading Earthquakes in a Multiscale Fracture Network
Kadek Hendrawan Palgunadi, Alice-Agnes Gabriel, Dmitry Igor Garagash +2
Fault-damage zones comprise multiscale fracture networks that may slip dynamically and interact with the main fault during earthquake rupture. Using 3D dynamic rupture simulations…
Equivalent near-field corner frequency analysis of 3D dynamic rupture simulations reveals source complexity
Nico Schliwa, Alice-Agnes Gabriel
Dynamic rupture simulations generate synthetic waveforms that account for non-linear source, path, and site complexity. Here, we analyze millions of spatially dense waveforms from…
Modeling and Quantifying Parameter Uncertainty of Co-seismic Non-classical Nonlinearity in Rocks
Zihua Niu, Alice-Agnes Gabriel, Linus Seelinger +1
Dynamic perturbations reveal unconventional nonlinear behavior in rocks, as evidenced by field and laboratory studies. During the passage of seismic waves, rocks exhibit a decrease…
Instantaneous physics-based ground motion maps using reduced-order modeling
John M. Rekoske, Alice-Agnes Gabriel, Dave A. May
Physics-based simulations of earthquake ground motion are useful to complement recorded ground motions. However, the computational expense of performing numerical simulations hinde…
Numerical simulations of seismo-acoustic nuisance patterns from an induced M1.8 earthquake in the Helsinki, southern Finland, metropolitan area
Lukas Krenz, Sebastian Wolf, Gregor Hillers +2
Seismic waves can couple with the atmosphere and generate sound waves. The influence of faulting mechanisms on earthquake sound patterns provides opportunities for earthquake sourc…
How does thermal pressurization of pore fluids affect 3D strike-slip earthquake dynamics and ground motions?
Jagdish Chandra Vyas, Alice-Agnes Gabriel, Thomas Ulrich +2
Frictional heat during earthquake rupture raises the pressure of fault zone fluids and affects the rupture process and its seismic radiation. Here, we investigate the role of two k…
Registration for Incomplete Non-Gaussian Functional Data
Alexander Bauer, Fabian Scheipl, Helmut Küchenhoff +1
Accounting for phase variability is a critical challenge in functional data analysis. To separate it from amplitude variation, functional data are registered, i.e., their observed…
An Efficient ADER-DG Local Time Stepping Scheme for 3D HPC Simulation of Seismic Waves in Poroelastic Media
Sebastian Wolf, Martin Galis, Carsten Uphoff +4
Many applications from geosciences require simulations of seismic waves in porous media. Biot's theory of poroelasticity describes the coupling between solid and fluid phases and i…
3D Acoustic-Elastic Coupling with Gravity: The Dynamics of the 2018 Palu, Sulawesi Earthquake and Tsunami
Lukas Krenz, Carsten Uphoff, Thomas Ulrich +4
We present a highly scalable 3D fully-coupled Earth & ocean model of earthquake rupture and tsunami generation. We model seismic, acoustic and surface gravity wave propagation in e…
A unified first order hyperbolic model for nonlinear dynamic rupture processes in diffuse fracture zones
Alice-Agnes Gabriel, Duo Li, Simone Chiocchetti +4
Earthquake fault zones are more complex, both geometrically and rheologically, than an idealised infinitely thin plane embedded in linear elastic material. To incorporate nonlinear…
Space-time adaptive ADER discontinuous Galerkin schemes for nonlinear hyperelasticity with material failure
Maurizio Tavelli, Simone Chiocchetti, Evgeniy Romenski +2
We are concerned with the numerical solution of a unified first order hyperbolic formulation of continuum mechanics that originates from the work of Godunov, Peshkov and Romenski (…
A stable discontinuous Galerkin method for the perfectly matched layer for elastodynamics in first order form
Kenneth Duru, Leonhard Rannabauer, Alice-Agnes Gabriel +2
We present a stable discontinuous Galerkin (DG) method with a perfectly matched layer (PML) for three and two space dimensional linear elastodynamics, in velocity-stress formulatio…
A stable discontinuous Galerkin method for linear elastodynamics in 3D geometrically complex media using physics based numerical fluxes
Kenneth Duru, Leonhard Rannabauer, Alice-Agnes Gabriel +3
High order accurate and explicit time-stable solvers are well suited for hyperbolic wave propagation problems. As a result of the complexities of real geometries, internal interfac…
ExaHyPE: An Engine for Parallel Dynamically Adaptive Simulations of Wave Problems
Anne Reinarz, Dominic E. Charrier, Michael Bader +13
ExaHyPE ("An Exascale Hyperbolic PDE Engine") is a software engine for solving systems of first-order hyperbolic partial differential equations (PDEs). Hyperbolic PDEs are typicall…