Ahmed Elbanna
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View article: Injection induced seismicity in complex fault zone architecture
Injection induced seismicity in complex fault zone architecture Open
View article: Fourier Neural Operators for Accelerating Earthquake Dynamic Rupture Simulations
Fourier Neural Operators for Accelerating Earthquake Dynamic Rupture Simulations Open
View article: Fourier Neural Operators for Accelerating Earthquake Dynamic Rupture Simulations
Fourier Neural Operators for Accelerating Earthquake Dynamic Rupture Simulations Open
View article: Community‐Driven Code Comparisons for Simulations of Fluid‐Induced Aseismic Slip
Community‐Driven Code Comparisons for Simulations of Fluid‐Induced Aseismic Slip Open
Numerical simulations of Sequences of Earthquakes and Aseismic Slip (SEAS) have rapidly progressed to address fundamental problems in fault mechanics and provide self‐consistent, physics‐based frameworks to interpret and predict geophysica…
View article: Ground motion characteristics of subshear and supershear ruptures in the presence of sediment layers
Ground motion characteristics of subshear and supershear ruptures in the presence of sediment layers Open
SUMMARY We investigate the impact of sediment layers on ground motion characteristics during subshear and supershear rupture growth. Our findings suggest that sediment layers may lead to local supershear propagation, affecting ground motio…
View article: Community-Driven Code Comparisons for Simulations of Fluid-Induced Aseismic Slip
Community-Driven Code Comparisons for Simulations of Fluid-Induced Aseismic Slip Open
View article: On the Interplay Between Distributed Bulk Plasticity and Local Fault Slip in Evolving Fault Zone Complexity
On the Interplay Between Distributed Bulk Plasticity and Local Fault Slip in Evolving Fault Zone Complexity Open
We numerically investigate the role of plastic strain accumulation on the mechanical response of a planar strike‐slip fault. Our models show that fault‐zone strength significantly impacts the ensuing sequence of earthquakes. Weaker fault z…
View article: On the Interplay between Distributed Bulk Plasticity and Local Fault Slip in Evolving Fault Zone Complexity
On the Interplay between Distributed Bulk Plasticity and Local Fault Slip in Evolving Fault Zone Complexity Open
We numerically investigate the role of plastic strain accumulation on the mechanical response of a planar strike-slip fault. Our models show that fault-zone strength significantly impact the ensuing sequence of earthquakes. Weaker fault zo…
View article: P228 Predictors of steroid therapy refractoriness in admitted Acute Severe Ulcerative Colitis patients
P228 Predictors of steroid therapy refractoriness in admitted Acute Severe Ulcerative Colitis patients Open
Background One third of acute severe ulcerative colitis (ASUC) patients are steroid refractory and require colectomy or rescue therapy. Risk stratifying ASUC patients who are steroid non responders to facilitate early initiation of rescue …
View article: Dynamics of episodic supershear in the 2023 M7.8 Kahramanmaraş/Pazarcik earthquake, revealed by near-field records and computational modeling
Dynamics of episodic supershear in the 2023 M7.8 Kahramanmaraş/Pazarcik earthquake, revealed by near-field records and computational modeling Open
The 2023 M7.8 Kahramanmaraş/Pazarcik earthquake was larger and more destructive than what had been expected. Here we analyzed nearfield seismic records and developed a dynamic rupture model that reconciles different currently conflicting i…
View article: Rupture Jumping and Seismic Complexity in Models of Earthquake Cycles for Fault Stepovers with Off-Fault Plasticity
Rupture Jumping and Seismic Complexity in Models of Earthquake Cycles for Fault Stepovers with Off-Fault Plasticity Open
Fault stepovers are prime examples of geometric complexity in natural fault zones which may affect seismic hazard by determining whether an earthquake rupture continues propagating, or abruptly stops. However, the long-term pattern of seis…
View article: Rupture Jumping and Seismic Complexity in Models of Earthquake Cycles for Fault Stepovers with Off-Fault Plasticity
Rupture Jumping and Seismic Complexity in Models of Earthquake Cycles for Fault Stepovers with Off-Fault Plasticity Open
Fault stepovers are prime examples of geometric complexity in natural fault zones which may affect seismic hazard by determining whether an earthquake rupture continues propagating, or abruptly stops. However, the long-term pattern of seis…
View article: Experimental evidence of amplitude-dependent surface wave dispersion via nonlinear contact resonances
Experimental evidence of amplitude-dependent surface wave dispersion via nonlinear contact resonances Open
In this Letter, we provide an experimental demonstration of amplitude-dependent dispersion tuning of surface acoustic waves interacting with nonlinear resonators. Leveraging the similarity between the dispersion properties of plate edge wa…
View article: The spectrum of fault slip in elastoplastic fault zones
The spectrum of fault slip in elastoplastic fault zones Open
View article: Identification of Faults Susceptible to Induced Seismicity (Final Report)
Identification of Faults Susceptible to Induced Seismicity (Final Report) Open
View article: Identification of Faults Susceptible to Induced Seismicity Final Report
Identification of Faults Susceptible to Induced Seismicity Final Report Open
The primary objective of this project (referred to as the State of Stress project or SoS project) was to predict the presence of faults susceptible to movement in the presence of fluid injection as a consequence of vertical pressure migrat…
View article: Dynamics of episodic supershear in the 2023 M7.8 Kahramanmaraş/Pazarcik Earthquake, revealed by near-field records and computational modeling
Dynamics of episodic supershear in the 2023 M7.8 Kahramanmaraş/Pazarcik Earthquake, revealed by near-field records and computational modeling Open
The 2023 M7.8 Kahramanmaraş/Pazarcik earthquake was larger and more destructive than what had been expected. Here we analyzed near-field seismic records and developed a dynamic rupture model that reconciles different currently conflicting …
View article: Dynamics of episodic supershear in the 2023 M7.8 Kahramanmaraş/Pazarcik earthquake, revealed by near-field records and computational modeling
Dynamics of episodic supershear in the 2023 M7.8 Kahramanmaraş/Pazarcik earthquake, revealed by near-field records and computational modeling Open
The 2023 M7.8 Kahramanmaraş/Pazarcik earthquake was larger and more destructive than what had been expected. Here we analyzed near-field seismic records and developed a dynamic rupture model that reconciles different currently conflicting …
View article: Experimental Evidence of Amplitude-Dependent Surface Wave Dispersion via Nonlinear Contact Resonances
Experimental Evidence of Amplitude-Dependent Surface Wave Dispersion via Nonlinear Contact Resonances Open
In this letter, we provide an experimental demonstration of amplitude-dependent dispersion tuning of surface acoustic waves interacting with nonlinear resonators. Leveraging the similarity between the dispersion properties of plate edge wa…
View article: The Spectrum of Fault Slip in Elastoplastic Fault Zones
The Spectrum of Fault Slip in Elastoplastic Fault Zones Open
Natural faults are typically surrounded by damage zones that exhibit inelastic material response. This study investigates the role of fault zone strength in modulating the spectrum of fault slip across different spatio-temporal scales. We …
View article: The Spectrum of Fault Slip in Elastoplastic Fault Zones
The Spectrum of Fault Slip in Elastoplastic Fault Zones Open
Natural faults are usually surrounded by damage zones that exhibit nonlinear material response. This study investigates the role of fault zone strength in modulating the spectrum of fault slip across different spatio-temporal scales. We ca…
View article: Evidence of Early Supershear Transition in the Mw 7.8 Kahramanmaras Earthquake From Near-Field Records
Evidence of Early Supershear Transition in the Mw 7.8 Kahramanmaras Earthquake From Near-Field Records Open
The Mw7.8 Kahramanmaraş Earthquake was larger and more destructive than what had been expected for the tectonic setting in Southeastern Turkey. By using near-field records we provide evidence for early supershear transition on the sp…
View article: Evidence of Early Supershear Transition in the Feb 6th 2023 Mw 7.8 Kahramanmaraş Turkey Earthquake From Near-Field Records
Evidence of Early Supershear Transition in the Feb 6th 2023 Mw 7.8 Kahramanmaraş Turkey Earthquake From Near-Field Records Open
The Mw7.8 Kahramanmaraş Earthquake was larger and more destructive than what had been expected for the tectonic setting in Southeastern Turkey. By using near-field records we provide evidence for early supershear transition on the splay fa…
View article: Evidence of Early Supershear Transition in the Mw 7.8 Kahramanmaraş Earthquake From Near-Field Records
Evidence of Early Supershear Transition in the Mw 7.8 Kahramanmaraş Earthquake From Near-Field Records Open
The Mw 7.8 Kahramanmaraş Earthquake was larger and more destructive than what had been expected for the tectonic setting in Southeastern Turkey. By using near-field records we provide evidence for early supershear transition on the splay f…
View article: Effects of phosphate and silicate on stiffness and viscoelasticity of mature biofilms developed with simulated drinking water
Effects of phosphate and silicate on stiffness and viscoelasticity of mature biofilms developed with simulated drinking water Open
Biofilms, a porous matrix of cells aggregated with extracellular polymeric substances under the influence of chemical constituents in the feed water, can develop a viscoelastic response to mechanical stresses. In this study, the roles of p…
View article: Modeling Sequences of Earthquakes and Aseismic Slip (SEAS) in Elasto‐Plastic Fault Zones With a Hybrid Finite Element Spectral Boundary Integral Scheme
Modeling Sequences of Earthquakes and Aseismic Slip (SEAS) in Elasto‐Plastic Fault Zones With a Hybrid Finite Element Spectral Boundary Integral Scheme Open
We present a coupled finite element spectral boundary integral framework for modeling sequences of earthquakes and aseismic slip on a 2‐D planar rate‐and‐state fault with off‐fault visco‐plastic response in the plane strain approximation. …
View article: A phase‐field model for quasi‐dynamic nucleation, growth, and propagation of rate‐and‐state faults
A phase‐field model for quasi‐dynamic nucleation, growth, and propagation of rate‐and‐state faults Open
Despite its critical role in the study of earthquake processes, numerical simulation of the entire stages of fault rupture remains a formidable task. The main challenges in simulating a fault rupture process include the complex evolution o…
View article: Modeling Sequences of Earthquakes and Aseismic Slip (SEAS) in Elasto-plastic Fault Zones with A Hybrid Finite Element Spectral Boundary Integral scheme
Modeling Sequences of Earthquakes and Aseismic Slip (SEAS) in Elasto-plastic Fault Zones with A Hybrid Finite Element Spectral Boundary Integral scheme Open
We present a coupled finite element spectral boundary integral framework for modeling sequences of earthquakes and aseismic slip on a 2-D planar rate-and-state fault with off-fault visco-plastic response in the plane strain approximation. …
View article: Sequences of seismic and aseismic slip on bimaterial faults show dominant rupture asymmetry and potential for elevated seismic hazard
Sequences of seismic and aseismic slip on bimaterial faults show dominant rupture asymmetry and potential for elevated seismic hazard Open
View article: Supershear shock front contribution to the tsunami from the 2018 <i>M</i>w 7.5 Palu, Indonesia earthquake
Supershear shock front contribution to the tsunami from the 2018 <i>M</i>w 7.5 Palu, Indonesia earthquake Open
SUMMARY Hazardous tsunamis are known to be generated predominantly at subduction zones. However, the 2018 Mw 7.5 Palu (Indonesia) earthquake on a strike-slip fault generated a tsunami that devastated the city of Palu. The mechanism by whic…