Explanipedia

Workflow for High-Fidelity Dynamic Analysis of Structures with Pile Foundation Open

Amin Pakzad, Pedro Arduino, Wenyang Zhang, Ertugrul Tacirouglu · 2025

The demand for high-fidelity numerical simulations in soil-structure interaction analysis is on the rise, yet a standardized workflow to guide the creation of such simulations remains elusive. This paper aims to bridge this gap by presenti…

An open-source simulation platform to support and foster research collaboration in natural hazards engineering Open

Ádám Zsarnóczay, Gregory G. Deierlein, Frank McKenna, Matthew J. Schoettler, Sang‐ri Yi , et al. · 2025

Computational simulation is a critical tool for assessing the impacts of natural hazards and informing risk mitigation and resilience strategies. The NHERI SimCenter has developed an open-source, modular framework that integrates performan…

On the Integration of an Acst-Based Bounding Surface Model Open

Srinivas Vivek Bokkisa, Jorge Macedo, Pedro Arduino · 2025

MITIGATION OF LIQUEFACTION RISK IN LAYERED SOILS VIA STONE COLUMN DRAINS: NUMERICAL STUDY AND NOVEL UNCOUPLED APPROACH Open

Gabriele Boccieri, Domenico Gaudio, Pedro Arduino, Riccardo Conti · 2025

A comparison of ground motions predicted through one-dimensional site response analyses and three-dimensional wave propagation simulations at regional scales Open

Wenyang Zhang, Yufeng Dong, Jorge G. F. Crempien, Pedro Arduino, Aslı Kurtuluş , et al. · 2024

One-dimensional (1D) site response analysis (SRA), which considers vertically propagating seismic waves from the bedrock to the surface, has been a common technique among geotechnical engineers to examine site-specific ground shaking. Howe…

LEAP-ASIA-2019 Simulation Exercise: Calibration of Constitutive Models and Simulations of the Element Tests Open

Kyohei Ueda, Yoshikazu Tanaka, Anurag Sahare, Ahmed Elgamal, Zhijian Qiu , et al. · 2024

This chapter presents a summary of the calibration exercises (i.e., element test simulations) submitted by nine numerical simulation teams that participated in the LEAP-ASIA-2019 prediction campaign. The standard sand selected for the camp…

LEAP-ASIA-2019 Simulation Exercise: Comparison of the Type-B and Type-C Numerical Simulations with Centrifuge Test Results Open

Kyohei Ueda, Yoshikazu Tanaka, Anurag Sahare, Ahmed Elgamal, Zhijian Qiu , et al. · 2024

This chapter presents a summary of Type-B and Type-C numerical simulations submitted by nine numerical simulation teams that participated in the LEAP-ASIA-2019 prediction campaign, with the results of a selected set of centrifuge model tes…

Tsunami Debris Motion and Loads in a Scaled Port Setting: Comparative Analysis of Three State-of-The-Art Numerical Methods Against Experiments Open

Justin Bonus, Felix Spröer, Andrew Winter, Pedro Arduino, Clemens Krautwald , et al. · 2024

R2D Tool Example E10SiteResponse Open

Frank McKenna, Kuanshi Zhong, Pedro Arduino, Stevan Gavrilovich · 2023

Example files for R2D Example 10: This example presents regional earthquake impact analysis including site response analysis and building damage and loss assessment. Overall 177 sites are included for soil response simulation under bedrock…

R2D Tool Example E10SiteResponse Open

Frank McKenna, Kuanshi Zhong, Pedro Arduino, Stevan Gavrilovich · 2023

Example files for R2D Example 10: This example presents regional earthquake impact analysis including site response analysis and building damage and loss assessment. Overall 177 sites are included for soil response simulation under bedrock…

Open-source simulation of strongly-coupled fluid-structure interaction between non-conformal interfaces Open

Nicolette S. Lewis, Andrew O. Winter, Justin Bonus, Michael R. Motley, Marc O. Eberhard , et al. · 2023

Design code-based “life-safety” requirements for structural earthquake and tsunami design offer reasonable guidelines to construct buildings that will remain standing during a tsunami or seismic event. Much less consideration has been give…

A suite of broadband physics‐based ground motion simulations for the Istanbul region Open

Wenyang Zhang, Jorge G. F. Crempien, Aslı Kurtuluş, Pengyu Chen, Pedro Arduino , et al. · 2023

Physics‐based earthquake ground motion simulations (GMS) have acquired significant growth over the last two decades, mainly due to the explosive developments of high‐performance computing techniques and resources. These techniques benefit …

Identification of Nonlinear Soil Properties from Downhole Array Data Using a Bayesian Model Updating Approach Open

S. Farid Ghahari, F. Abazarsa, Hamed Ebrahimian, Wenyang Zhang, Pedro Arduino , et al. · 2022

An accurate seismic response simulation of civil structures requires accounting for the nonlinear soil response behavior. This, in turn, requires understanding the nonlinear material behavior of in situ soils under earthquake excitations. …

Implementation, Verification, and Validation of the PM4Sand Model in OpenSees Open

Long Chen, Pedro Arduino · 2021

Human and economic losses caused by earthquake-induced soil liquefaction underscore the importance of assessing liquefaction hazards, both by determining whether a soil is likely to liquefy and by estimating consequences these events may c…

Enhancing Research in Natural Hazards Engineering Through the DesignSafe Cyberinfrastructure Open

Ellen M. Rathje, Clint Dawson, Jamie E. Padgett, Jean‐Paul Pinelli, Dan Stanzione , et al. · 2020

The DesignSafe cyberinfrastructure ( www.designsafe-ci.org ) is part of the NSF-funded Natural Hazard Engineering Research Infrastructure (NHERI) and provides cloud-based tools to manage, analyze, understand, and publish critical data for …

NHERI-SimCenter/TransferFunctionTool: Version 1.0.0 Open

Long Chen, Pedro Arduino, Peter Mackenzie‐Helnwein, Frank McKenna · 2020

This educational tool allows users to define layered soil profiles underlain by rigid/elastic rock and change the characteristics of each layer, including thickness, shear wave velocity, density, and damping ratio of each layer. The user c…

LEAP-2017 Simulation Exercise: Calibration of Constitutive Models and Simulation of the Element Tests Open

Majid T. Manzari, Mohamed El Ghoraiby, Mourad Zeghal, Bruce L. Kutter, Pedro Arduino , et al. · 2019

Prediction of LEAP-UCD-2017 Centrifuge Test Results Using Two Advanced Plasticity Sand Models Open

Long Chen, Alborz Ghofrani, Pedro Arduino · 2019

In accordance with the Liquefaction Experiments and Analysis Projects (LEAP)-UCD-2017 guidelines, two stress-dependent bounding surface constitutive models, Manzari-Dafalias and PM4Sand, were calibrated for Class-B prediction of centrifuge…

LEAP-2017: Comparison of the Type-B Numerical Simulations with Centrifuge Test Results Open

Majid T. Manzari, Mohamed El Ghoraiby, Mourad Zeghal, Bruce L. Kutter, Pedro Arduino , et al. · 2019

This paper presents comparisons of 11 sets of Type-B numerical simulations with the results of a selected set of centrifuge tests conducted in the LEAP-2017 project. Time histories of accelerations, excess pore water pressures, and lateral…

Numerical Sensitivity Study Compared to Trend of Experiments for LEAP-UCD-2017 Open

Bruce L. Kutter, Majid T. Manzari, Mourad Zeghal, Pedro Arduino, Andrés R. Barrero , et al. · 2019

This paper describes the numerical sensitivity study requested prior to the December 2017 LEAP workshop. Several but not all of the simulation teams participated in this sensitivity study. The results of the sensitivity study are used to b…

NHERI-SimCenter/s3hark: Release v1.1.2 Open

Charles Wang, Frank McKenna, Peter Mackenzie‐Helnwein, Ádám Zsarnóczay, Wael Elhaddad , et al. · 2019

Website: https://nheri-simcenter.github.io/s3hark/ s³hark is the acronym of site-specific seismic hazard analysis and research kit. This tool focuses on simulating wave propagation along soil depth using finite element …

Curation and Publication of Simulation Data in DesignSafe, a Natural Hazards Engineering Open Platform and Repository Open

María Esteva, Craig Jansen, Pedro Arduino, Mahyar Sharifi-Mood, Clint Dawson , et al. · 2019

Most open repositories present a similar interface and workflow to publish data resultant from different types of research methods. Publishing simulation datasets is challenging due to the iterative nature of simulations that generate larg…

EXPERIMENTAL MODELING OF WAVE FORCES AND HYDRODYNAMICS ON ELEVATED COASTAL STRUCTURES SUBJECT TO WAVES, SURGE OR TSUNAMIS: THE EFFECT OF BREAKING, SHIELDING AND DEBRIS Open

Pedro Lomónaco, Mohammad Shafiqual Alam, Pedro Arduino, André R. Barbosa, Daniel T. Cox , et al. · 2018

Coastal communities provide important economic, transport, and recreational services to large numbers of people worldwide. However, these coastal communities are vulnerable to damage by extreme events such as tropical cyclones or tsunamis.…

Estimation of Shear Demands on Rock Socketed Drilled Shafts subjected to Lateral Loading Open

Pedro Arduino, Long Chen, Christopher R. McGann · 2018

This report presents results of an evaluation study on the applicability of current design procedures (based on p-y curves) to the analysis of large-diameter shafts socketed in rock, and the identification of enhanced moment transfer mecha…

PRENOLIN: International Benchmark on 1D Nonlinear Site‐Response Analysis—Validation Phase Exercise Open

Julie Régnier, Luis Fabián Bonilla, Pierre‐Yves Bard, Étienne Bertrand, Fabrice Hollender , et al. · 2018

This article presents the main results of the validation phase of the PRENOLIN project. PRENOLIN is an international benchmark on 1D nonlinear (NL) site-response analysis. This project involved 19 teams with 23 different codes tested. It w…

Bridge Foundation Pinning Resistance Implied by Simplefied Equivalent Static Analysis Procedure for Lateral Spreading Open

Christopher R. McGann, P. Bhattacharjee, Alborz Ghofrani, Pedro Arduino · 2018

Liquefaction-induced lateral spreading is a critical design case for many bridges located in high-seismicity regions of the Pacific Northwest. The design procedures currently used in the region tend to rely upon a simplified 2D plane strai…

Stress-strain response of the LEAP-2015 centrifuge tests and numerical predictions Open

Mourad Zeghal, N K Goswami, Bruce L. Kutter, Majid T. Manzari, Tarek Abdoun , et al. · 2017

Liquefaction experiment and analysis projects (LEAP): Summary of observations from the planning phase Open

Majid T. Manzari, Mohamed El Ghoraiby, Bruce L. Kutter, Mourad Zeghal, Tarek Abdoun , et al. · 2017

Modeling Tsunami Induced Debris Impacts on Bridge Structures using the Material Point Method Open

Wen-Chia Yang, Krishnendu Shekhar, Pedro Arduino, Peter Mackenzie‐Helnwein, Greg Miller · 2017

Bridges represent a key part of infrastructure, playing a critical role in emergency response and post-event reconstruction. In this context, it is important for bridges to be able to survive both ground shaking and the effects of tsunamis…

An Enhanced Smoothing Algorithm for MPM to Stabilize Hydrodynamic Impact Problems with Embedded Solids Open

Wen-Chia Yang, Greg Miller, Pedro Arduino, Peter Mackenzie‐Helnwein · 2017

The impact of debris carried by floods or tsunamis can cause severe damage to structures, but the complex phenomena involved are difficult to model. The Material Point Method (MPM) provides one framework for modeling such systems, with the…

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