Scholarly Works - Journal articles
Journal article
Computer Methods in Applied Mechanics and Engineering
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November 1, 2026
Deterministic neural operators perform well on many PDEs but can struggle with the approximation of high-frequency wave phenomena, where strong input-to-output sensitivity makes operator learning challenging, and spectral bias blurs oscillations. We argue ...
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Journal article
Journal of the Mechanics and Physics of Solids
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July 1, 2026
Full-field material characterization techniques are increasingly improving and new techniques are emerging, providing us altogether with unprecedented access to kinematic measurements. Extracting material properties from data has been a long quest, with th ...
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Journal article
International Journal of Solids and Structures
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April 1, 2026
While multimaterial additive manufacturing enables finely programmed heterogeneity, there remains no robust and objective-driven framework to assign materials across complex architectures under practical constraints. We introduce Data-Driven-Design (D ...
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Journal article
IEEE transactions on ultrasonics, ferroelectrics, and frequency control
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October 2024
Transcranial ultrasound stimulation (TUS) holds promise for noninvasive neural modulation in treating neurological disorders. Most clinically relevant targets are deep within the brain (near or at its geometric center), surrounded by other sensitive region ...
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Journal article
Biomechanics and modeling in mechanobiology
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August 2024
We present a class of model-free Data-Driven solvers that effectively enable the utilization of in situ and in vivo imaging data directly in full-scale calculations of the mechanical response of the human brain to sonic and ultrasonic stimulation, entirely ...
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Journal article
Structure (London, England : 1993)
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May 2023
Gas vesicles (GVs) are gas-filled protein nanostructures employed by several species of bacteria and archaea as flotation devices to enable access to optimal light and nutrients. The unique physical properties of GVs have led to their use as genetically en ...
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Journal article
Biophysical Journal
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February 2023
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Journal article
Computer Methods in Applied Mechanics and Engineering
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January 1, 2023
Featured Publication
We develop a Data-Driven framework for the simulation of wave propagation in viscoelastic solids directly from dynamic testing material data, including data from Dynamic Mechanical Analysis (DMA), nano-indentation, Dynamic Shear Testing (DST) and Magnetic ...
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Journal article
Biophysical journal
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November 2022
Featured Publication
Acoustic reporter genes based on gas vesicles (GVs) have enabled the use of ultrasound to noninvasively visualize cellular function in vivo. The specific detection of GV signals relative to background acoustic scattering in tissues is facilitated by nonlin ...
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Journal article
Extreme Mechanics Letters
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January 2022
Ultrasound neuromodulation (UNM), where a region in the brain is targeted by focused ultrasound (FUS), which, in turn, causes excitation or inhibition of neural activity, has recently received considerable attention as a promising tool for neuroscience. De ...
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Journal article
Applied physics letters
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July 2020
Featured Publication
Focused ultrasound (FUS) is an established technique for non-invasive surgery and has recently attracted considerable attention as a potential method for non-invasive neuromodulation. While the pressure waves in FUS procedures have been extensively studied ...
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Journal article
Journal of the Mechanics and Physics of Solids
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October 1, 2018
Featured Publication
Prestressing the cables of tensegrity-based metamaterials is a widespread practice for enhancing their stability and mechanical properties. We choose a recently developed three-dimensional tensegrity lattice (Rimoli and Pal, 2017) and investigate material ...
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Journal article
Journal of Statistical Physics
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October 1, 2018
Featured Publication
We perform a numerical study on Frenkel–Kontrova (FK) models in quasi-periodic media subject to a constant external force. The quasi-periodic FK models appear in several physical problems such as deposition, spin waves in 1-D, planar dislocations in 3-D ei ...
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Journal article
Extreme Mechanics Letters
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April 1, 2018
A long standing postulate in crystal plasticity of metals, known as Schmid law, states that yielding commences once the resolved shear stress on a slip plane reaches a critical value. While non-Schmid effects have previously been reported experimentally (m ...
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Journal article
Journal of Nanomechanics and Micromechanics
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June 1, 2015
Recently, hydrogels have been employed in a variety of engineering applications as promising materials, since their porous structure and hydrophilicity enables them to absorb a large amount of water. Atomistic simulations lead to a better understanding of ...
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Journal article
Journal of the mechanical behavior of biomedical materials
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September 2014
In this paper, molecular dynamic simulation was used to study the effect of water on the equilibrated structure and mechanical properties of cross-linked hydrogel at multiple scales. The hydrogel consisted of Polyethylene glycol diglycidyl ether (PEGDGE) a ...
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Journal article
Journal of Applied Physics
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June 14, 2014
The effects of carbon nanotube (CNT) sidewall fluorination on the interface toughness of the CNT epoxy interface have been comprehensively investigated. Nanoscale quantitative single-CNT pull-out experiments have been conducted on individual fluorinated CN ...
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Journal article
Journal of Applied Physics
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July 15, 2012
Atomistic simulations are performed to investigate the nano-scale interfacial fracture toughness between graphene and epoxy. Nano-mechanical properties of graphene and epoxy are initially studied using molecular dynamics simulations. A novel method is sugg ...
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