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DTSTART;TZID=America/New_York:20191001T103000
DTEND;TZID=America/New_York:20191001T120000
DTSTAMP:20260408T151813
CREATED:20190909T195106Z
LAST-MODIFIED:20190909T195106Z
UID:10006283-1569925800-1569931200@seasevents.nmsdev7.com
SUMMARY:Tedori-Callinan Lecture: "Isogeometric Analysis"
DESCRIPTION:The vision of Isogeometric Analysis was first presented in a paper published October 1\, 2005 [1].  Since then it has become a focus of research within both the fields of Finite Element Analysis (FEA) and Computer Aided Design (CAD) and is rapidly becoming a mainstream analysis methodology and a new paradigm for geometric design [2].  The key concept utilized in the technical approach is the development of a new foundation for FEA\, based on rich geometric descriptions originating in CAD\, resulting in a single geometric model that serves as a basis for both design and analysis. \nIn this overview\, I will describe some areas in which progress has been made in developing improved methodologies to efficiently solve problems that have been at the very least difficult\, if not impossible\, within traditional FEA.  I will also describe current areas of intense activity and areas where problems remain open\, representing both challenges and opportunities for future research (see\, e.g.\, [3\,4]). \nREFERENCES \n[1]  T.J.R. Hughes\, J.A. Cottrell and Y. Bazilevs\, Isogeometric Analysis: CAD\, Finite Elements\, NURBS\, Exact Geometry and Mesh Refinement\, Computer Methods in Applied Mechanics and Engineering\, 194\, (2005) 4135-4195. \n[2]  J.A. Cottrell\, T.J.R. Hughes and Y. Bazilevs\, Isogeometric Analysis: Toward Integration of CAD and FEA\, Wiley\, Chichester\, U.K.\, 2009. \n[3]  Special Issue on Isogeometric Analysis\, (eds. T.J.R. Hughes\, J.T. Oden and M. Papadrakakis)\, Computer Methods in Applied Mechanics and Engineering\, 284\, (1 February 2015)\, 1-1182. \n[4]  Special Issue on Isogeometric Analysis: Progress and Challenges\, (eds. T.J.R. Hughes\, J.T. Oden and M. Papadrakakis)\, Computer Methods in Applied Mechanics and Engineering\, 316\, (1 April 2017)\, 1-1270.
URL:https://seasevents.nmsdev7.com/event/tedori-callinan-lecture-isogeometric-analysis/
LOCATION:Wu and Chen Auditorium (Room 101)\, Levine Hall\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
ORGANIZER;CN="Mechanical Engineering and Applied Mechanics":MAILTO:meam@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20191001T110000
DTEND;TZID=America/New_York:20191001T120000
DTSTAMP:20260408T151813
CREATED:20190828T153718Z
LAST-MODIFIED:20190828T153718Z
UID:10006275-1569927600-1569931200@seasevents.nmsdev7.com
SUMMARY:ESE Seminar: "AI and Intelligent IC/Accelerator Design: A Synergistic Approach"
DESCRIPTION:The recent artificial intelligence (AI) boom has been largely driven by three confluence forces: algorithms\, big data\, and computing power enabled by modern integrated circuits (ICs) including specialized AI accelerators. In this talk\, I will present a synergistic approach on AI and intelligent IC/accelerator designs with two main themes\, AI for IC and IC for AI. As the semiconductor technology enters the era of extreme scaling\, IC design and manufacturing complexities are becoming extremely high. More intelligent and agile IC design technologies are needed than ever to optimize performance\, power\, area\, manufacturability\, reliability\, security\, etc.\, and to deliver equivalent scaling to Moore’s Law. I will present some recent results leveraging modern AI and machine learning advancement with domain-specific customizations for agile IC design and manufacturing closure. Meanwhile\, customized IC can drastically improve AI performance and energy efficiency by orders of magnitude. I will present the hardware/software co-design for energy-efficient neural networks. The bidirectional reinforcement of AI and IC technologies holds great potential to significantly advance the state-of-the-art of each other.
URL:https://seasevents.nmsdev7.com/event/ese-seminar-david-pan/
LOCATION:PICS Conference Room 534 – A Wing \, 5th Floor\, 3401 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar
ORGANIZER;CN="Electrical and Systems Engineering":MAILTO:eseevents@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20191002T140000
DTEND;TZID=America/New_York:20191002T150000
DTSTAMP:20260408T151813
CREATED:20190924T202721Z
LAST-MODIFIED:20190924T202721Z
UID:10006301-1570024800-1570028400@seasevents.nmsdev7.com
SUMMARY:ESE Faculty Hosted Talk: "Deep Learned Optical Multiplexing for Microscopy"
DESCRIPTION:Abstract: Fourier ptychographic microscopy is a technique that achieves a high space-bandwidth product\, i.e. high resolution and high field-of-view. In Fourier ptychographic microscopy\, variable illumination patterns are used to collect multiple low-resolution images. These low-resolution images are then computationally combined to create an image with resolution exceeding that of any single image from the microscope. Due to the necessity of acquiring multiple low-resolution images\, Fourier ptychographic microscopy has poor temporal resolution. Our aim is to improve temporal resolution in Fourier ptychographic microscopy\, achieving single-shot imaging without sacrificing space-bandwidth product. We use physical preprocessing and example-based super-resolution to achieve this goal by trading off generality of the imaging approach. \nIn example-based super-resolution\, the function relating low-resolution images to their high-resolution counterparts is learned from a given dataset. We take the additional step of optimizing the imaging hardware in order to collect more informative low-resolution images. We show that this “physical preprocessing” allows for improved image reconstruction with deep learning in Fourier ptychographic microscopy.
URL:https://seasevents.nmsdev7.com/event/ese-faculty-hosted-talk-deep-learned-optical-multiplexing-for-microscopy/
LOCATION:Room 307\, Levine Hall\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20191002T150000
DTEND;TZID=America/New_York:20191002T160000
DTSTAMP:20260408T151813
CREATED:20190729T185046Z
LAST-MODIFIED:20190729T185046Z
UID:10006247-1570028400-1570032000@seasevents.nmsdev7.com
SUMMARY:CBE Seminar: "Thermodynamics of Sequence-defined Polyelectrolyte Complexes”
DESCRIPTION:Abstract: \nCharged polymers known as polyelectrolytes have been studied for decades\, however\, understanding their physical properties remains a persistent challenge for polymer scientists. This difficulty stems from the intricate interplay between length scales spanning as much as 3-4 orders of magnitude\, which has stymied our understanding of a truly important class of polymers; polyelectrolytes are widely used in applications ranging from food additives to paints\, and most biopolymers (proteins\, DNA\, polysaccharides) are also polyelectrolytes. However\, the complexity of charged polymers can be harnessed for molecular-level materials design. To demonstrate this\, we study a class of polyelectrolyte materials known as complex coacervates. Complex coacervates are aqueous solutions composed of oppositely-charged polyelectrolytes and salt that undergo an associative phase separation process. We use simulation and theory\, along with close experimental collaboration\, to demonstrate that coacervates are highly sensitive to precise charge patterning. We elucidate the key molecular features that play a large role in coacervate thermodynamics. Building upon these insights\, we demonstrate how coacervate phase behavior can be strongly tuned via specific charge sequences. We will show how the physical principles governing the thermodynamics of sequence-defined polyelectrolytes provides the foundation to study coacervate-driven assembly on length scales ranging from monomer-level structure to block copolymer nano-phase separation.
URL:https://seasevents.nmsdev7.com/event/cbe-seminar-thermodynamics-of-sequence-defined-polyelectrolyte-complexes/
LOCATION:Wu and Chen Auditorium (Room 101)\, Levine Hall\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar
ORGANIZER;CN="Chemical and Biomolecular Engineering":MAILTO:cbemail@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20191002T183000
DTEND;TZID=America/New_York:20191002T200000
DTSTAMP:20260408T151813
CREATED:20190927T191517Z
LAST-MODIFIED:20190927T191517Z
UID:10006305-1570041000-1570046400@seasevents.nmsdev7.com
SUMMARY:Thriving in a Start-Up Ecosystem: Success and Failure in the Life of an Entrepreneur
DESCRIPTION:We invite you to join an exclusive event with Penn Engineering alumni who will share their stories on how they have thrived in the startup ecosystem. These alums range from an angel investor in Uber\, a serial biotech entrepreneur with several exits\, an entrepreneur who has generated over half a billion in licensing deals and one of the top 100 VCs in the world. We hope you can join Dawn Eringis ENG’85 WG’89\, Joan Lau ENG’92 W’92\, Nihal Mehta C’99 ENG’99\, and David Pakman ENG’91\, in what promises to be a candid conversation moderated by Professor Vanessa Chan ENG’94.
URL:https://seasevents.nmsdev7.com/event/thriving-in-a-start-up-ecosystem-success-and-failure-in-the-life-of-an-entrepreneur/
LOCATION:Wu and Chen Auditorium (Room 101)\, Levine Hall\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20191003T104500
DTEND;TZID=America/New_York:20191003T114500
DTSTAMP:20260408T151813
CREATED:20190912T183349Z
LAST-MODIFIED:20190912T183349Z
UID:10006287-1570099500-1570103100@seasevents.nmsdev7.com
SUMMARY:MSE Seminar: “A Polymer Brush Approach to Controlling Biological Binding to Surfaces”
DESCRIPTION:Polymer brushes are a common feature in many biological surfaces. The ability to rapidly transform a substrate from a hard\, structural material to a soft\, hydrogel structure over the course of a few tens of nanometers makes polymer brushes elegant materials for tailoring the biology-materials interface. Polymer brushes\, because of their surface confinement\, are typically stretched from the surface when compared to identical unattached polymer segments and confinement provides them with useful barrier properties. This presentation will discuss recent studies of surface grown polymer brushes\, effects of charge on surface properties and brush viability\, the use of charged brushes for interaction with biological systems both in terms of directing cell growth and their use for support of cell membrane mimics. \nWhile “grown from” polymer brushes cannot address large surface area applications\, the use of block copolymers in place of “grown from” brushes provides most of the benefits of polymer brushes with the ability to coat large area surfaces. Surfaces used for anti-fouling coatings are an example of brush like\, large area application. Numerous studies have shown that amphiphilic brush surfaces (with both polar and non-polar groups) provide a broad range of anti-fouling properties. Here we describe new approaches to surface active block copolymers including the use of sequence controlled functional groups to tune surface\nproperties and surface placement.
URL:https://seasevents.nmsdev7.com/event/mse-seminar-a-polymer-brush-approach-to-controlling-biological-binding-to-surfaces/
LOCATION:Auditorium\, LRSM Building\, 3231 Walnut Street\, Philadelphia\, PA\, 19104\, United States
ORGANIZER;CN="Materials Science and Engineering":MAILTO:johnruss@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20191003T120000
DTEND;TZID=America/New_York:20191003T133000
DTSTAMP:20260408T151813
CREATED:20190911T143353Z
LAST-MODIFIED:20190911T143353Z
UID:10006284-1570104000-1570109400@seasevents.nmsdev7.com
SUMMARY:BE Seminar: "Developing neuroengineering solutions of biomedical relevance using crayfish as a model system"
DESCRIPTION:In my talk\, I will first describe one of the main projects in my lab that investigates the underlying cellular-molecular mechanisms for changes in alcohol sensitivity of crayfish with different prior social experiences. In this context\, I will explain why “simple” invertebrates may provide unique advantages for studying complex phenomena such as socially-dependent drug effects. Crayfish are inexpensive and easily maintained in the laboratory\, and they have an accessible nervous system with large\, identified neurons that link directly to behavior and can sustain many hours of experimental study. This allows for high precision and reproducibility and makes crayfish a suitable model not just for investigating neurobehavioral questions\, but for developing and improving biomedical devices and tools. In the second part of my talk\, I will illustrate two projects that are currently ongoing in collaboration with engineering colleagues at UMD. The first one aims to develop nanoparticles that wirelessly activate and record neural activity patterns using microwave signals. Preliminary data using individual neurons of the ex vivo crayfish nerve cord revealed that single action potentials can be robustly recorded by activating microwave signals in a nanoscale magnetic tunnel junction. The future goal of this project is to develop this technique for non-invasive monitoring and modulating of activity in brains of higher complexity. The second project interfaces the crayfish ex vivo ventral nerve cord and innervated hindgut with a multi-sensor 3D printed platform that contains cultured human gut cells and interchangeable colonies of microbiota. The physiological responses to serotonin release from cell cultures will be measured and quantified in crayfish neurons of the central and enteric nervous system and on corresponding hindgut motility with intracellular electrophysiology and motion tracking. The long-term goal is to develop a real-time\, high-throughput discovery platform that allows detailed investigation of the cellular processes underlying the gut-brain axis.
URL:https://seasevents.nmsdev7.com/event/be-seminar-developing-neuroengineering-solutions-of-biomedical-relevance-using-crayfish-as-a-model-system/
LOCATION:Room 337\, Towne Building\, 220 South 33rd Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20191003T150000
DTEND;TZID=America/New_York:20191003T160000
DTSTAMP:20260408T151813
CREATED:20190926T131035Z
LAST-MODIFIED:20190926T131035Z
UID:10006302-1570114800-1570118400@seasevents.nmsdev7.com
SUMMARY:CIS Seminar: “A Geometric Perspective on Computing Motion”
DESCRIPTION:Abstract: \nThe connections between geometry and mechanics have been explored for centuries. How these connections shape computation is a question we are just beginning to explore.  \nIf computers can predict how materials move and deform\, they can help us to understand\, anticipate and manipulate the physical world. Our group develops models and algorithms that capture the characteristic behavior of a mechanical system. We focus on a geometric interpretation of the physics. Building a discrete geometric picture from the ground up\, we mimic the axioms\, structures\, and symmetries of the smooth setting. The result is a readily computable model that preserves invariants and conservation laws.  \nWe develop models for elastic rods\, thin shells\, liquid threads\, droplets\, soap films\, and granular media. As we explore applications ranging from flagellar propulsion and robotics to fashion design\, we learn about the potential for impact on art\, medicine\, engineering and scientific research.
URL:https://seasevents.nmsdev7.com/event/cis-seminar-a-geometric-perspective-on-computing-motion/
LOCATION:Wu and Chen Auditorium (Room 101)\, Levine Hall\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
ORGANIZER;CN="Computer and Information Science":MAILTO:cherylh@cis.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20191004T140000
DTEND;TZID=America/New_York:20191004T150000
DTSTAMP:20260408T151813
CREATED:20190919T135548Z
LAST-MODIFIED:20190919T135548Z
UID:10006290-1570197600-1570201200@seasevents.nmsdev7.com
SUMMARY:PICS Colloquium: Concurrent Atomistic-Continuum Modeling and Simulation of Transport Processes in Crystalline Materials
DESCRIPTION:Abstract: In this talk we present a concurrent atomistic-continuum (CAC) method for modeling and simulation of transport processes in crystalline materials. The CAC formulation extends the Irving-Kirkwood procedure for deriving transport equations and fluxes for homogenized molecular systems to that for polyatomic crystalline materials by employing a concurrent two- level structural description of crystals. A multiscale representation of conservation laws is formulated that holds instantaneously\, as a direct consequence of Newton’s second law\, using the mathematical theory of generalized functions. Finite element (FE) solutions to the conservation equations\, as well as fluxes and temperature in the FE representation\, are introduced\, followed by numerical examples of atomic-scale structures of interfaces\, dynamics of fracture and dislocations\, and phonon transport in multiscale structured materials. In addition to providing a methodology for concurrent multiscale simulation of transport processes under a single theoretical framework\, the CAC formulation can also be used to compute fluxes (stress and heat flux) in atomistic and coarse-grained atomistic simulations.
URL:https://seasevents.nmsdev7.com/event/pics-colloquium-concurrent-atomistic-continuum-modeling-and-simulation-of-transport-processes-in-crystalline-materials/
LOCATION:PICS Conference Room 534 – A Wing \, 5th Floor\, 3401 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Colloquium
ORGANIZER;CN="Penn Institute for Computational Science (PICS)":MAILTO:dkparks@seas.upenn.edu
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