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Hydrodynamic Performance of Euplectella aspergillum:Simulating Real Life Conditions in the Abyss

Communications in Computational Physics 2023年第1期33卷 273-282页

作者： Giacomo Falcucci Giorgio Amati Pierluigi Fanelli Sauro Succi Maurizio porfiri Department of Enterprise Engineering“Mario Lucertini” University of Rome“Tor Vergata”RomeItaly Department of Physics Harvard UniversityCambridgeMAUSA High Performance Computing Department CINECA Rome SectionRomeItaly DEIM School of EngineeringUniversity of TusciaViterboItaly Italian Institute of Technology Center for Life Nano-and Neuro-ScienceRomeItaly National Research Council of Italy–Institute for Applied Computing(IAC) RomeItaly Department of Biomedical Engineering Tandon School of EngineeringNew York UniversityNew YorkNYUSA Department of Mechanical and Aerospace Engineering Tandon School of EngineeringNew York UniversityNew YorkNYUSA Center for Urban Science and Progress Tandon School of EngineeringNew York UniversityNew YorkNYUSA

We detail some of the understudied aspects of the flow inside and around the Hexactinellid Sponge Euplectella aspergillum.By leveraging the flexibility of the Lattice Boltzmann Method,High Performance Computing simulations are performed to dissect the complex conditions corresponding to the actual environment at the bottom of the ocean,at depths between 100 and 1,000 m.These large-scale simulations unveil potential clues on the evolutionary adaptations of these deep-sea sponges in response to the surrounding fluid flow,and they open the path to future investigations at the interface between physics,engineering and biology.

关键词： Lattice Boltzmann method fluid-structure interaction sponge hydrodynamics high performance computing complex boundary conditions

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CT引导下肺疾病活检专用介入机器人系统的临床初步应用:与常规人工操作技术比较

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国际医学放射学杂志 2015年第4期 390-391页

作者： M.Anzidei R.Argirò a.porfiri F.Boni M.Anile F.Zaccagna 俞翔 Department of Radiological Oncological and Anatomopathological Sciences-Radiologu-SapienzaUniveersity of Rome

摘要目的与常规人工操作技术比较,评价机器人系统在CT引导下肺活检中的应用效能。材料与方法将100例拟行CT引导下肺活检的病人随机分配到A组(机器人辅助操

关键词：人工操作机器人人工智能常规肺活检 CT

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A non-ideal solution theory for the mechanics and electrochemistry of charged membranes

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npj Computational Materials 2022年第1期8卷 1365-1378页

作者： Alain Boldini Maurizio porfiri Center for Urban Science and Progress Department of Mechanical and Aerospace EngineeringNew York University Tandon School of Engineering370 Jay StreetBrooklyn11201NYUSA Center for Urban Science and Progress Department of Mechanical and Aerospace EngineeringDepartment of Biomedical EngineeringNew York University Tandon School of Engineering370 Jay StreetBrooklyn11201NYUSA

Understanding how ions and solvent molecules migrate within charged membranes is fundamental for advancing the analysis of biological membranes and the design of energy storage and production devices.Recent efforts highlighted a significant interplay between mechanics and electrochemistry in charged membranes,calling for the development of high-fidelity models to describe their interaction.Here,we propose a continuum theory of the chemoelectromechanics of charged membranes,accounting for potentially large deformations and non-idealities of the solution permeating the membrane.We demonstrate the potential applications of our theory within the study of ionic polymer actuators.Our theory predicts sizeable effects of non-idealities and mechanical deformations,enabling insight into the role of mechanics on solute and solvent transport within charged membranes.

关键词： interaction. theory electrochemistry

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Flow velocity and temperature sensing using thermosensitive fluorescent polymer seed particles in water

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International Journal of Smart and Nano Materials 2017年第4期8卷 232-252页

作者： Filippo Cellini Sean D.Peterson Maurizio porfiri Department of Mechanical and Aerospace Engineering New York University Tandon School of EngineeringBrooklynNYUSA Department of Mechanical and Mechatronics Engineering University of WaterlooWaterlooOntarioCanada

Particle image velocimetry(PIV)is an experimental technique that uses microscale particles as tracers to measure the velocity of a fluid flow.In this paper,we seek to extend this technique to simultaneously measure fluid temperature as well,by employing a novel class of thermosensitive polymer particles.Towards this aim,we designed a process to encapsulate highly fluorescent thermosensitive NBD-AE-co-poly(N-isopropylacrylamide)polymers into optically transparent poly(dimethylsiloxane)particles.These novel PIV particles enable direct measurement of water velocity while serving as temperature probes that increase their fluorescence intensity when the temperature rises above 32°C.To demonstrate the ability of the particles to simultaneously serve as flow tracers and temperature sensors in water,we examine the flow velocity and temperature in the wake of a heated cylinder in a cross flow.Our results indicate the possibility of extending PIV to afford the spatial and temporal resolution of fluid velocity and temperature gradients in water,with potential application to the study of convection problems from life sciences to engineering.

关键词： Fluorescence sensing particle image velocimetry temperature sensing

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AN ARTICULATED TITANOSAUR FROM PATAGONIA (ARGENTINA):NEW EVIDENCES OF THE PEDAL EVOLUTION

AN ARTICULATED TITANOSAUR FROM PATAGONIA (ARGENTINA):NEW EVI...

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第二届国际古生物学大会

作者： Bernardo GONZLEZ-RIGA Jorge CALVO Juan porfiri Centre Regional de Investigaciones Científicas y Tecnológicas Avda.Ruiz Leal s/nParque Gral.San Martin(5500) MendozaArgentina Universidad Nacional del Comahue Centro Paleontológico Lago BarrealesProyecto DinoRuta Prov.51km 65.Neuquén.Argentina

The study of the pedal structure is essential for understanding the locomotion, evolutionary trend and the behavior of the huge sauropod dinosaurs. In particular, titanosaurs are the most diverse and geographically widespread Late Cretaceous herbivores in South America and other continents. In spite of that, most taxa are represented by incomplete skeletal elements lacking articulated feet. In this context, the discovery of a new specimen with exceptionally preserved pedal structure is relevant. The finding mentioned herein is the second

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严肃设计与特定表意

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室内设计与装修 2006年第7期 53-55页

作者： Ivana.porfiri Samuele Martelli 贾陈陈

Abrouq号,这艘华丽的游船是由意大利比萨的一家造船所受中东某国的委托而设计的,主要用于在波斯湾海区游览娱乐。室内设计由Ivana.porfiri设计完成,Ivana.porfiri是近年来在豪华游船室内设计上具有丰富经验的专业设计师。从起初的草图... 详细信息

Abrouq号,这艘华丽的游船是由意大利比萨的一家造船所受中东某国的委托而设计的,主要用于在波斯湾海区游览娱乐。室内设计由Ivana.porfiri设计完成,Ivana.porfiri是近年来在豪华游船室内设计上具有丰富经验的专业设计师。从起初的草图描画到整个设计过程,再到建造时技术上的复?（共3页)

关键词：室内设计造船所意大利波斯湾设计师游船

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NinaJ号——感观的爆发点

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室内设计与装修 2006年第7期 76-79页

作者： Ivana.porfiri Elena De Lisio 贾陈陈

A D esign C毋庸置疑,N ina J号游艇是一个完美的整体,谁也不忍心将它分割。宽阔的船体结构,42m的长度和流线型的外观在整体上给人一种单一、纯净的视觉体验。在这艘独一无二的游艇的创造过程中,Tom m a-so Spadolini和Ivana.porfiri二... 详细信息

A D esign C毋庸置疑,N ina J号游艇是一个完美的整体,谁也不忍心将它分割。宽阔的船体结构,42m的长度和流线型的外观在整体上给人一种单一、纯净的视觉体验。在这艘独一无二的游艇的创造过程中,Tom m a-so Spadolini和Ivana.porfiri二人扮演了两个最为重要的角色:前者设计了它（共4页)

关键词： Nina J号爆发点感观船体结构流线型游艇

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