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Wavefield reconstruction of pseudo-spectral reverse time migration using a one-point wide-based minimum boundary saving scheme
Pre-stack reverse time migration (RTM) is a two-way wavefield extrapolation imaging method, that can image subsurface without any dip limitation. At...
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Simulation and characteristics analysis of a wavefield in a thermoelastic medium adopting the rotated staggered-grid pseudo-spectral method and L-S theory
The simulation of wave propagation in high-temperature media requires thermoelastic theory. In this paper, we apply the rotated-staggered-grid...
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Spatial Filter for the Pseudo-spectral Implementation of Fractional Derivative Wave Equation
The viscoelasticity of the subsurface media varies spatially, and such viscoelasticity can be represented concisely by a wave equation in the form of...
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Pseudo-dynamic rupture implementation in 3D viscoelastic finite-difference code for physics based broadband ground motion synthetics
The paper presents implementation of state-of-the-art pseudo-dynamic rupture in a 3D viscoelastic fourth-order staggered-grid time-domain...
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A Simulation of Three-Dimensional Wave Field Based on Elastic Wave Optimization Quasi-Analytic Method
Pseudo-spectral method has low accuracy in the second order difference scheme in the time direction, and it is unstable for the large time sampling...
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Application of seismic attributes and quantitative-based instantaneous static reservoir simulations for quantitative imaging of lithology and fluids of Lower-Cretaceous hydrocarbon-bearing delta traps, Onshore, Pakistan
AbstractUpper shoreface depositional systems (USE) have accumulations of coarse-grained sedimentary facies of lowstand systems tract (LST), which are...
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Hard enforcement of physics-informed neural network solutions of acoustic wave propagation
Simulating the temporal evolution of wavefield solutions through models with heterogeneous material properties is of practical interest for many...
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Pseudo-dynamic rupture implementation and earthquake engineering consequences of simulated ground motion in NCT Delhi (India) caused by Mwmw8.2 Nahan Himalaya seismic gap earthquake
This paper presents the physics based ground motion synthetics and its earthquake engineering consequences in the National Capital Territory (NCT)...
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Source characterization and strong ground motion parameters modulation of the largest earthquakes southeast Luxor, south Egypt
Three felt earthquakes with moderate local magnitudes range from 3.7 to 4.5 Richter are located southeast Luxor, south Egypt. The investigated events...
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Next generation ground-motion prediction equations for Indo-Gangetic Plains, India
Seismic hazard analysis (SHA) of Indo-Gangetic Plains (IGP), India, and its proximity to the Himalayas requires reliable ground motion prediction...
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Probabilistic seismic hazard assessment framework for Uganda: a stochastic event-based modelling approach
Uganda lies between the eastern and western arms of the East African Rift System, the largest seismically active rift above sea level. With...
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Towards estimating higher-mode effects on the seismic response of tall-buildings
In this paper, the dynamic response of two 21-story buildings was studied to assess the influence of higher modes in their structural performance....
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Updated seismic hazard curves, maps, and spectra for the northern Dominican Republic using a probabilistic seismic hazard analysis
This article presents updated seismic hazard curves, spectra, and maps of ground motion intensity measures for the northern region of the Dominican...
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Predicted results of weak and strong ground motions at the target site of the blind prediction exercise as steps-2 and -3, Report for the experiments for the 6th international symposium on effects of surface geology on seismic motion
In this study, we compared observations and predictions submitted by participants for blind prediction experiments for ground motions using...
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Finite-fault stochastic simulation of the 2008 Iwate-Miyagi Nairiku, Japan, earthquake
The finite-fault stochastic method was applied to simulate the Mw 6.9, 2008 Iwate-Miyagi earthquake at 44 selected KiK-net sites using EXSIM computer...
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Conventional vs. modified pseudo-dynamic seismic analyses in the shallow strip footing bearing capacity problem
The conventional pseudo-dynamic (CPD) and modified pseudo-dynamic (MPD) methods are invoked to obtain the seismic bearing capacity of strip...
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Estimation of consistent absolute acceleration and relative displacement floor response spectra in existing masonry-infilled reinforced concrete buildings
Non-structural elements play a crucial role in the overall seismic performance of buildings, as has been largely demonstrated in recent earthquakes...
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A far-field ground motion prediction model for interface earthquakes at the hill zone of Mexico City
This study presents an updated attenuation model to predict the peak ground acceleration (PGA), peak ground velocity (PGV), 5% damped pseudo-spectral...
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Estimation of Site Response Characteristics by a Comparative Study of Numerical Modeling in Adapazarı City Basin, Turkey
In Turkey, earthquakes are likely the most prominent natural disaster threat. Also, severe earth tremors are typical in the Marmara region, where the...
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Machine learning-based ground motion models for predicting PSAs of borehole motions in Japan
Numerous ground-motion models (GMMs) that predict the intensities of surface ground motions have been previously developed based on regression...
