Yearly Archives: 2018

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Layer-to-Layer Control in Laser Metal Direct Energy Deposition Additive Manufacturing

Abstract: ​Additive manufacturing (AM), or 3D printing, is beginning to deliver on its long-promised potential to transform industrial production.  Already, tooling and molds are making regular use of AM’s rapid CAD-to-part flexibility to deliver in days what previously took months.  In addition, AM facilitates much greater geometric complexity, which increases the value proposition for AM […]

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QRfertile: Male Fertility Test Developers Win Venture Competition

(via UConn Today) Stephanie Knowlton and Reza Amin, both engineering doctoral students working with Prof. Savas Tasoglu,  won first prize in the 2018 Wolff New Venture Competition to develop QRfertile – an in-home device to measure male fertility. Read more at UConn Today.  

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UConn AIAA Chapter Goes To The Spaceport America Cup

The new UConn AIAA student chapter competed for the first time in the Spaceport America Cup during the summer of 2018. Advised by ME professor, Dr. Jackie Sung, the students designed and built a rocket for the competition. More details on the School of Engineering website.

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Mechanics under the Fold: How Origami Creates Sophisticated Mechanical Properties

Abstract: ​Origami, the ancient Japanese art of paper folding, is not only an inspiring technique to create sophisticated shapes, but also a surprisingly powerful method to induce nonlinear mechanical properties. Over the last decade, advances in crease design, mechanics modeling, and scalable fabrication have fostered the rapid emergence of architected origami structure and material systems. […]

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A Multiscale Moving Contact Line Theory and Simulation of Droplet Spreading and Cell Durotaxi

Abstract: In this talk, we present a novel multiscale moving contact line (MMCL) theory, which offers a powerful numerical simulation method for modeling and analysis of dynamic wetting, liquid droplet spreading on solid substrates, and various capillary motion phenomena. In the proposed multiscale moving contact line theory, we couple molecular scale adhesive interaction i.e. the […]

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Predicting Fuel Properties of Potential Biofuels Using an Improved Artificial Neural Network Based on Molecular Structure

Abstract: The next generation of alternative fuels is being investigated through advanced chemical and biological production techniques for the purpose of finding suitable replacements to diesel and gasoline while lowering production costs and increasing process yields. Chemical conversion of biomass to fuels provides a plethora of pathways with a variety of fuel molecules, both novel […]

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Active Thermosyphons to Condense Water from Power Plant Flue Gas, and an Overview of Energy Research at Stony Brook University

The talk will focus on two themes.  The first will be an overview of our current ARPA-E project to condense water from flue gas for dry-cooled power plants power plants. Water use by power plants is an increasing concern across the U.S., and is particularly problematic in arid regions, such as the southwest.  In this […]

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Molecular simulations of mechanical properties for polymer materials

The U.S. Army Research Laboratory (ARL) was activated 25 years ago with a mission to discover, innovate and transition science and technology to ensure dominant strategic land power. One of key research strategies at ARL is a development of superior protection systems for individual warfigter and vehicles. The protective systems often use polymers due to […]

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Isogeometric Methods for Solids, Structures, and Fluid-Structure Interaction: From Early Results to Recent Developments

Abstract: This presentation is focused on Isogeometric Analysis (IGA) with applications to solids and structures, starting with early developments and results, and transitioning to more recent work. Novel IGA-based thin-shell formulations are discussed, and applications to progressive damage modeling in composite laminates due to low-velocity impact and their residual-strength prediction are shown. Fluid–structure interaction (FSI) […]

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Hydrocarbon Combustion Reaction Models from Both Ends-The Foundational Fuels and JP10

Due to the hierarchical nature of high-temperature hydrocarbon oxidation, modeling the combustion chemistry of higher hydrocarbon fuels typically requires a fuel-specific reaction model that describes the fragmentation of the fuel into small species, and a foundational fuel chemistry model that describes the oxidation of these species. Shared by the combustion of large hydrocarbons, the foundational […]

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Metastructures For Wave And Vibration Control: Internal Resonances, Edge States and Quasi-periodicity

Beyond the mere notion of a material, metastructures draw their unique characteristics from their finite size and the existence of interfaces. The resulting structural assemblies feature unprecedented performance in terms of stress wave mitigation, wave guiding, acoustic absorption, and vibration isolation. The talk illustrates the frequency-selective properties of periodic metastructures, which result in their ability […]

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Dan Wang and Professor Xu Chen win Best Paper Award at the 2018 International Symposium on Flexible Automation

ME graduate student Dan Wang and Professor Xu Chen won the Best Paper (Theory) of the 2018 International Symposium on Flexible Automation (ISFA) for their paper titled “Synthesis and Analysis of Multirate Repetitive Control for Fractional-order Periodic Disturbance Rejection in Powder Bed Fusion.” The ISFA started in 1986 under the co-sponsorship of the American Society […]

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Prof. Zhao’s new DoD Grant Aims to Better Understand Aeronautical Combustion

  Via UConn Today:  

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Strain Improves Performance of Atomically Thin Semiconductor Material

Dr. Michael Pettes and his graduate student Wei Wu have significantly improved the performance of an atomically thin semiconductor material by stretching it, an accomplishment that could prove beneficial to engineers designing the next generation of flexible electronics, nano devices, and optical sensors. The findings mark the first time scientists have been able to conclusively show […]

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Profs. Chen and Norato win coveted 2018 NSF CAREER awards for their work on Additive Manufacturing and Topology Optimization

Two ME professors received the 2018 National Science Foundation’s CAREER award, which is the Foundation’s most prestigious award in support of early-career faculty. Prof. Xu Chen’s award will support his research on thermal modeling, sensing, and controls to enable new generations of powder bed fusion (PBF) additive manufacturing. In contrast to conventional machining, where parts […]

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Far-Field and Near-Field Thermal Radiation with Nanostructures and 2D Materials

Abstract: Radiative heat transfer between closely spaced objects can be greatly enhanced at nanoscale separation. Furthermore, the interaction of electromagnetic waves with micro/nanostructured materials can potentially modify their far-field radiative properties. Recent advances in graphene and other two-dimensional (2D) materials offer enormous potential to transform current microelectronic, optoelectronic, photonic devices, as well as energy systems. […]

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Tumor Growth Biomechanics

Abstract: Cancer is a disease whereby multiple genetic mutations confer upon cancer cells the ability to endlessly proliferate, evade death, and activate their environment. In every stage of solid tumor development— from tumor initiation to metastasis—abnormally stiff tissue and increased mechanical stresses have been implicated. Increased stiffness of the tumor environment is, in general, a […]

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Recent Advances in Premixed Turbulent Combustion: Research and its Relevance to Aerospace Propulsion

Abstract: Gas turbines for propulsion and for stationary power generation typically burn fuel in a “partially-premixed” mode. The portions of the flames that are premixed may not anchor properly and may lead to combustion instability oscillations, liftoff, flameout and excessive heat transfer. This talk will survey recent advances in premixed turbulent combustion research in the […]

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An Interdisciplinary View of Interfaces: Perspectives Regarding Emergent Phase Formation

Abstract: The emergent properties arising from the interactions of phases including interfacial contributions (surfaces) and phase evolution at the mesoscale present new opportunities, as well as challenges, for materials performance and functionality. This presentation will highlight interfacial contributions to system level performance in diverse fields: i) mixed ionic and electronic conducting (MIEC) materials in membranes […]

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Functional Magnetic Nanomaterials: What does the future hold?

Abstract: Functional magnetic nanomaterials, whose properties are fundamentally different from their bulk counterparts, have attracted a global interest owing to their prospective applications in advanced spintronics and nanomedicine. In this lecture, I will discuss fundamental aspects of nanomagnetism, properties of magnetic materials upon size reduction to the nanoscale, and recent advances in synthesis, characterization and […]

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