Search Results - "Donahue, Carly"

Deep-learning-guided high-resolution subsurface reflectivity imaging with application to ground-penetrating radar data by Gao, Kai, Donahue, Carly, Henderson, Bradley G, Modrak, Ryan T

“…SUMMARY Subsurface reflectivity imaging is one of the most important geophysical characterization methods for revealing subsurface structures. In many cases,…”
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SREMI: Super-resolution electromagnetic imaging with single-channel ground-penetrating radar by Gao, Kai, Donahue, Carly M., Henderson, Bradley G., Modrak, Ryan T.

“…•We develop a super-resolution GPR imaging method using FISTA algorithm.•We solve an exploding reflector model to significantly accelerating the…”
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Atherosclerotic Calcifications Have a Local Effect on the Peel Behavior of Human Aortic Media by Donahue, Carly L, Badal, Ruturaj M, Younger, Thomas S, Guan, Weihua, Tolkacheva, Elena G, Barocas, Victor H

“…Aortic dissections, characterized by the propagation of a tear through the layers of the vessel wall, are critical, life-threatening events. Aortic…”
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Experimental realization of a nonlinear acoustic lens with a tunable focus by Donahue, Carly M., Anzel, Paul W. J., Bonanomi, Luca, Keller, Thomas A., Daraio, Chiara

“…We realize a nonlinear acoustic lens composed of a two-dimensional array of sphere chains interfaced with water. The chains are able to support solitary waves…”
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Finite element modeling with patient‐specific geometry to assess clinical risks of percutaneous pulmonary valve implantation by Donahue, Carly L., Westman, Claire L., Faanes, Brittany L., Qureshi, Athar M., Barocas, Victor H., Aggarwal, Varun

“…Background Percutaneous pulmonary valve implantation (PPVI) is a non‐surgical treatment for right ventricular outflow tract (RVOT) dysfunction. During PPVI, a…”
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Distributed Acoustic Sensing Based on Coherent Microwave Photonics Interferometry by Hua, Liwei, Zhu, Xuran, Cheng, Baokai, Song, Yang, Zhang, Qi, Wu, Yongji, Murdoch, Lawrence C., Dauson, Erin R., Donahue, Carly M., Xiao, Hai

“…A microwave photonics method has been developed for measuring distributed acoustic signals. This method uses microwave-modulated low coherence light as a probe…”
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Immersive Wave Propagation Experimentation: Physical Implementation and One-Dimensional Acoustic Results by Becker, Theodor S., van Manen, Dirk-Jan, Donahue, Carly M., Bärlocher, Christoph, Börsing, Nele, Broggini, Filippo, Haag, Thomas, Robertsson, Johan O. A., Schmidt, Darren R., Greenhalgh, Stewart A., Blum, Thomas E.

“…We present a fundamentally new approach to laboratory acoustic and seismic wave experimentation that enables full immersion of a physical wave propagation…”
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Characterization of interface reflection coefficients using a finite-difference injection technique by Börsing, Nele, Donahue, Carly M., van Manen, Dirk-Jan, Amundsen, Lasse, Robertsson, Johan O. A.

“…In this paper, a numerical wave field injection technique for characterizing the reflection coefficient of a planar medium interface is proposed. By injecting…”
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Jet-Induced Cratering of a Granular Surface with Application to Lunar Spaceports by Metzger, Philip T, Immer, Christopher D, Donahue, Carly M, Vu, Bruce T, Latta, Robert C, Deyo-Svendsen, Matthew

“…The erosion of lunar soil by rocket exhaust plumes is investigated experimentally. This has identified the diffusion-driven flow in the bulk of the sand as an…”
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Elegance of disordered granular packings : A validation of Edward's hypothesis by METZGER, Philip T, DONAHUE, Carly M

“…We have found a way to analyze Edwards' density of states for static granular packings in the special case of round, rigid, frictionless grains assuming a…”
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Mechanisms for agglomeration and deagglomeration following oblique collisions of wet particles by Donahue, Carly M, Davis, Robert H, Kantak, Advait A, Hrenya, Christine M

“…Previous studies on wetted, particle-particle collisions have been limited to head-on collisions, but in many-particle flows, collisions are inherently…”
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Curious nonlinearity of rocks by Donahue, Carly M., Johnson, Paul A.

“…Many geological materials, ranging from “rocks to unconsolidated sand,” exhibit highly nonlinear elastic properties. Rocks fall in to a class of materials know…”
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Ultrasonic methods for the characterization of additively manufactured 316L stainless steel by Williams, Colin L., Shokouhi, Parisa, Lear, Matthew H., Donahue, Carly, Montgomery, Colt J.

“…This research utilizes linear and nonlinear ultrasonic techniques to establish a linkage between microstructure and macroscale mechanical properties of…”
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Flaw detection of wellbore systems by combining time reversal methods and nonlinear acoustic measurements by Donahue, Carly M., Le Bas, Pierre-yves

“…A wellbore system consisting of a steel pipe cased in cement is susceptible to cracking and delamination. Such flaws greatly reduce the integrity of the…”
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Straining to find the permeability by Euser, Bryan, Johnson, Christopher W., Guyer, Robert A., Rougier, Esteban, Donahue, Carly M., Guthrie, George D., Munjiza, Antonio, Johnson, Paul A.

“…Characterizing fluid flow in a porous and permeable material is fundamental to energy and hydrological applications, yet direct measurements of permeability…”
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Quantitative characterization of microstructure in additively manufactured metals with nonlinear ultrasound by Bellotti, Aurelio, Kim, Jin Yeon, Bishop, Joseph, Jared, Bradley, Johnson, Kyle, Susan, Donald, Noell, Philip, Donahue, Carly, Jacobs, Laurence

“…Our work employs nonlinear ultrasonic techniques to track microstructural changes in additively manufactured metals. One study is based on the use of the…”
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Damage detection in a laboratory-scale wellbore applying Time Reversal and Nonlinear Elastic Wave Spectroscopy (TR NEWS) by Dauson, Erin, Donahue, Carly, DeWolf, Scott, Hua, Liwei, Xiao, Hai, Murdoch, Lawrence, Johnson, Paul

“…Time Reversal and Nonlinear Elastic Wave Spectroscopy (TR-NEWS) has been used to focus acoustic energy, and make measurements correlated with damage in a…”
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Damage detection in a laboratory-scale wellbore applying Time Reversal and Nonlinear Elastic Wave Spectroscopy (TR NEWS) by Dauson, Erin, Donahue, Carly, DeWolf, Scott, Hua, Liwei, Xiao, Hai, Murdoch, Lawrence, Johnson, Paul

“…We report Time Reversal and Nonlinear Elastic Wave Spectroscopy (TR-NEWS) has been used to focus acoustic energy, and make measurements correlated with damage…”
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Investigation of the nonlinearity of transducer acoustic couplants for nonlinear elastic measurements by Stuber Geesey, Marcie A., Aristorenas, Bettina, Ulrich, Timothy J., Donahue, Carly M.

“…The study of nonlinear elasticity of materials often relies on attaching contact transducers to a sample to achieve the required strain amplitudes. When…”
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Immersive wave propagation experiments in a two-dimensional acoustic waveguide by Becker, Theodor S., Börsing, Nele, van Manen, Dirk-Jan, Haag, Thomas, Donahue, Carly M., Curtis, Andrew, Robertsson, Johan O.

“…The physical implementation of immersive boundary conditions (IBCs) allows acoustic or elastic waves to propagate seamlessly between a physical domain, such as…”
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