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DTSTART;TZID=America/New_York:20190723T103000
DTEND;TZID=America/New_York:20190723T120000
DTSTAMP:20260408T172512
CREATED:20190715T134344Z
LAST-MODIFIED:20190715T134344Z
UID:10006240-1563877800-1563883200@seasevents.nmsdev7.com
SUMMARY:MEAM Seminar: "Microscale Robotic Wetware for Synthetic Biology"
DESCRIPTION:Small-scale robotic systems have emerged as promising tools to perform a wide-range of tasks in microbiology and medicine such as targeted delivery\, cell manipulation\, environmental monitoring\, and microassembly. In order to perform these tasks\, the robot must execute precise locomotion\, take measurements from its environment\, and use those measurements to make decisions. However\, unlike their macroscale counterparts\, microrobots typically lack intelligence on-board and are composed of simple microstructures which are driven using off-board hardware and software. Thus\, small-scale actuators\, sensors\, computation\, and communication modules are needed in order to develop intelligent\, fully functional microrobots. \nConcurrently with the field of microrobotics\, synthetic biology has developed tools to design microorganisms to exhibit desired behaviors (e.g. sensing\, communication\, and decision-making). This talk will highlight a new paradigm for microrobot design and fabrication. Our approach uniquely hinges on biofabrication\, or making things from living things\, in order to create programmable biohybrid robots composed of both biological and synthetic materials. We design robot architectures that enable interfaces between biological cells and hardware giving rise to robots composed of living material\, or robotic wetware. In particular\, we will discuss our development of magnetically actuated soft micro bio robots (SMBRs) composed of natural hydrogels\, which encapsulate and transport programmable living cells\, while supporting cell growth and function on-board. By encapsulating cells\, SMBRs can serve as individual cellular culture payloads or biofoundries in which cells\, DNA vectors\, and cellular byproducts are manufactured on-board and delivered to the environment. These results establish multi-functional robots that can be used as delivery vehicles for medical therapies\, assistants for microbiological experiments\, or building blocks for smart materials.
URL:https://seasevents.nmsdev7.com/event/meam-seminar-microscale-robotic-wetware-for-synthetic-biology/
LOCATION:Moore 216\, 200 S. 33rd Street\, Philadelphia\, PA\, 19104\, United States
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20190716T140000
DTEND;TZID=America/New_York:20190716T160000
DTSTAMP:20260408T172512
CREATED:20190712T205435Z
LAST-MODIFIED:20190712T205435Z
UID:10006239-1563285600-1563292800@seasevents.nmsdev7.com
SUMMARY:CBE Doctoral Dissertation Defense: "Polymer Infiltration Under Extreme Confinement"
DESCRIPTION:Committee: Daeyeon Lee and Robert A. Riggleman\, Co-advisors; Ravi Radhakrishnan and Zahra Fakhraai
URL:https://seasevents.nmsdev7.com/event/cbe-doctoral-dissertation-defense-polymer-infiltration-under-extreme-confinement-2/
LOCATION:Greenberg Lounge (Room 114)\, Skirkanich Hall\, 210 South 33rd Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Doctoral,Student,Dissertation or Thesis Defense
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20190716T103000
DTEND;TZID=America/New_York:20190716T120000
DTSTAMP:20260408T172512
CREATED:20190705T150515Z
LAST-MODIFIED:20190705T150515Z
UID:10006236-1563273000-1563278400@seasevents.nmsdev7.com
SUMMARY:MEAM Seminar: "A Multi-Scale Homogenization Model for the Viscoplastic Response of Polar and Sea Ice"
DESCRIPTION:The rheology of polar ice evolves in response to weather and climate changes\, by modifying its microstructure. While the experimental evidence for the dependence of rheological properties on the microstructure is well documented\, there are only a few modeling efforts to capture the rheological behavior of polar ice\, mostly by fitting continuum models to the existing experimental data. However\, for the rapidly changing polar and sea ice\, we need a predictive model to forecast the behavior of polar ice in the future\, for which we might not have any experimental data. In this work\, we put forth a multi-scale homogenization model for the viscoplastic response of polar and sea ice\, by incorporating important microstructural features. \nIn the Arctic\, sea water freezes to form a layer of sea ice\, a multi-phase composite\, up to a few meters thick\, with a complex microstructure spanning several length scales. At the smaller length scales\, sea ice is a porous polycrystal with columnar grains\, with brine-air inclusions embedded inside the grains or dispersed along the grain boundaries. This work presents a multi-scale constitutive response for sea ice by idealizing it as a three-scale composite where the brine-air inclusions are embedded inside a polycrystalline matrix composed of columnar grains. The results from our model match with published experimental data\, by\, most importantly\, capturing the compressibility effects of brine-air inclusions. \nIn Antarctica ice sheets with a typical thickness of 1-3km\, as the snow accumulates on the surface of the ice sheet\, the snow beneath the top layer is densified and is eventually transformed into the ice with trapped air bubbles—bubbly ice. The size\, shape and volume fraction of these air bubbles have a profound impact on the rheological response of the ice. In addition\, bubble shape could also be used as strain-indicators in glaciers. We develop a multi-scale homogenization model for the constitutive response of bubbly-ice by treating it as a three-phase polycrystalline composite\, where pressurized bubbles are embedded inside the polycrystalline matrix. The model predicts that microstructural textures developed in response to different loading conditions significantly influence the macroscopic response.
URL:https://seasevents.nmsdev7.com/event/meam-seminar-a-multi-scale-homogenization-model-for-the-viscoplastic-response-of-polar-and-sea-ice/
LOCATION:Moore 216\, 200 S. 33rd 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:20190715T100000
DTEND;TZID=America/New_York:20190715T120000
DTSTAMP:20260408T172512
CREATED:20190710T141943Z
LAST-MODIFIED:20190710T141943Z
UID:10006238-1563184800-1563192000@seasevents.nmsdev7.com
SUMMARY:CBE Doctoral Defense: "Alternating Multi-block Polyethylenes with Associating Groups: Self-Assembled Nanoscale Morphologies and Ion Transport"
DESCRIPTION:Committee: Karen Winey\, Advisor; Daeyeon Lee\, Robert Riggleman and Chinedum Osuji
URL:https://seasevents.nmsdev7.com/event/cbe-doctoral-defense-alternating-multi-block-polyethylenes-with-associating-groups-self-assembled-nanoscale-morphologies-and-ion-transport/
LOCATION:Raisler Lounge (Room 225)\, Towne Building\, 220 South 33rd Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Doctoral,Student,Dissertation or Thesis Defense
ORGANIZER;CN="Chemical and Biomolecular Engineering":MAILTO:cbemail@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20190715T100000
DTEND;TZID=America/New_York:20190715T120000
DTSTAMP:20260408T172512
CREATED:20190702T140426Z
LAST-MODIFIED:20190702T140426Z
UID:10006235-1563184800-1563192000@seasevents.nmsdev7.com
SUMMARY:CBE Doctoral Dissertation Defense: "Alternating Multiblock Polyethylenes with Associating Groups: Self-Assembled Nanoscale Morphologies and Ion Transport"
DESCRIPTION:Thesis Committee: Karen Winey\, Advisor; Daeyeon Lee\, Robert Riggleman and Chinedum Osuji
URL:https://seasevents.nmsdev7.com/event/cbe-doctoral-dissertation-defense-alternating-multiblock-polyethylenes-with-associating-groups-self-assembled-nanoscale-morphologies-and-ion-transport/
LOCATION:Raisler Lounge (Room 225)\, Towne Building\, 220 South 33rd Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Doctoral,Student,Dissertation or Thesis Defense
ORGANIZER;CN="Chemical and Biomolecular Engineering":MAILTO:cbemail@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20190709T103000
DTEND;TZID=America/New_York:20190709T113000
DTSTAMP:20260408T172512
CREATED:20190708T195150Z
LAST-MODIFIED:20190708T195150Z
UID:10006237-1562668200-1562671800@seasevents.nmsdev7.com
SUMMARY:BE Seminar: Next Generation Orthobiologics:  Advanced Growth Factor and Biomaterials Engineering
DESCRIPTION:The standard of care for augmenting surgical bone repair or regeneration remains bone graft harvested from the patient despite a lack of sufficient quantity or quality of graft in many clinical cases.  Bone morphogenetic protein (BMP) therapeutics have been successfully developed and commercially marketed as substitutes for bone graft.  Although the clinical success of BMP\, especially in spinal fusion\, is well-documented\, safety issues related to the required therapeutic dose\, sub-optimal delivery and off-label use have generated substantial controversy.  To address these issues and develop a next generation BMP product with improved efficacy and safety\, we designed a series of novel recombinant human chimeric proteins with enhanced binding affinities to key cellular receptors involved in bone formation.  In parallel\, a novel biomaterial scaffold was developed to improve the local retention time of these “designer” BMPs and reduce the risk of adverse events.  Through this combination of protein engineering and specialized biomaterial development\, large animal studies have demonstrated efficacy at substantially lower doses than those required with existing BMP products and the potential to provide a safer and more effective option for surgeons and patients.
URL:https://seasevents.nmsdev7.com/event/be-seminar-next-generation-orthobiologics-advanced-growth-factor-and-biomaterials-engineering/
LOCATION:Class of 62 Auditorium\, John Morgan Building\, 3620 Hamilton Walk\, Philadelphia\, PA\, 19104
CATEGORIES:Seminar
ORGANIZER;CN="Bioengineering":MAILTO:be@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20190626T153000
DTEND;TZID=America/New_York:20190626T170000
DTSTAMP:20260408T172512
CREATED:20190624T193409Z
LAST-MODIFIED:20190624T193409Z
UID:10006234-1561563000-1561568400@seasevents.nmsdev7.com
SUMMARY:MEAM Seminar: "Effect of Nanoparticle Size on the Mechanical Properties of Nanoparticle (NP) Assemblies"
DESCRIPTION:Nanoparticle assemblies (NPAs) have attracted tremendous interests of various research communities. The particle-size-effect on mechanical properties of NPAs is systematically studied. With decreasing the particle size d from 300 nm to 10 nm\, the SiO2 NPAs become drastically harder (∼39×)\, stiffer (∼15×)\, and tougher (>3.5×). The results are consistent with the data scattered in the literature for various nanoparticle (NP) systems\, indicating a fundamentally universal d-effect for all NPAs. A model is developed to correlate the hardness and the NP junction (NPJ) strength f. Here\, f is mainly due to van der Waals and capillary interactions\, roughly a constant (140 nN) for d = 100–300 nm\, and then f decreases with decreasing d from ∼100 nm. The deformation mechanism of NPAs (for indentation depth ≫d) is shear plasticity involving shear breaking of NPJs. The fundamental mechanism for the d-effect is that\, with decreasing d\, the NPJ’s planar density increases much faster than the decrease of f. Moreover\, three deformation mechanisms of NPAs\, (1) nanoparticle dislodging\, (2) shear-band formation\, and (3) cracking are naturally d-dependent. These new findings can provide important insights into the fundamental understanding of the inter-NP interaction\, the mechanical behavior of the NPAs\, and the design of robust NP-based devices. If time allows\, as an independent topic\, the experimental characterization of freestanding membrane will also be briefly discussed.
URL:https://seasevents.nmsdev7.com/event/meam-seminar-effect-of-nanoparticle-size-on-the-mechanical-properties-of-nanoparticle-np-assemblies/
LOCATION:Moore 212
ORGANIZER;CN="Mechanical Engineering and Applied Mechanics":MAILTO:meam@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20190625T103000
DTEND;TZID=America/New_York:20190625T120000
DTSTAMP:20260408T172512
CREATED:20190610T205631Z
LAST-MODIFIED:20190610T205631Z
UID:10006233-1561458600-1561464000@seasevents.nmsdev7.com
SUMMARY:MEAM Seminar: “Thermalization of Bulk Magnetic Materials in Spin-Lattice Dynamics Simulations”
DESCRIPTION:Spin-lattice dynamics (SLD)\, an increasingly popular simulation method which simultaneously computes both atomic displacements and spins\, offer new possibilities for modeling the temporal evolution of systems where the coupling between these atomic features are relevant such as spin caloritronics\, heat assisted magnetic recording\, magnetocaloric responses and magnetic nanoparticle hyperthermia. To accurately model and understand these magnetic materials\, SLD must capture spin-spin and spin-lattice interactions in a physically meaningful way. Recent work indicates that including a local magnetic anisotropy term in SLD simulations may be necessary to appropriately couple the magnetic spins to the atomic system to allow for thermal transport between the systems. A key obstacle to the adoption of this term is the lack of knowledge of its parameters for a broad range of materials. Ab initio calculations can obtain these parameters\, but these calculations are limited by energy scales\, system size and computational cost. A new framework using bulk experimental properties is introduced to obtain these parameters which avoids some or all of these challenges of the ab initio method. Results from this framework are discussed for iron along with the validation procedure for the found parameters.
URL:https://seasevents.nmsdev7.com/event/meam-seminar-thermalization-of-bulk-magnetic-materials-in-spin-lattice-dynamics-simulations/
LOCATION:Moore 216\, 200 S. 33rd Street\, Philadelphia\, PA\, 19104\, United States
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20190618T103000
DTEND;TZID=America/New_York:20190618T120000
DTSTAMP:20260408T172512
CREATED:20190607T134252Z
LAST-MODIFIED:20190607T134252Z
UID:10006231-1560853800-1560859200@seasevents.nmsdev7.com
SUMMARY:MEAM Seminar: "Machine Learning for Robotics: Achieving Safety\, Performance and Reliability by Combining Models and Data in a Closed-Loop System Architecture"
DESCRIPTION:The ultimate promise of robotics is to design devices that can physically interact with the world. To date\, robots have been primarily deployed in highly structured and predictable environments. However\, we envision the next generation of robots (ranging from self-driving and -flying vehicles to robot assistants) to operate in unpredictable and generally unknown environments alongside humans. This challenges current robot algorithms\, which have been largely based on a-priori knowledge about the system and its environment. While research has shown that robots are able to learn new skills from experience and adapt to unknown situations\, these results have been limited to learning single tasks\, and demonstrated in simulation or lab settings. The next challenge is to enable robot learning in real-world application scenarios. This will require versatile\, data-efficient and online learning algorithms that guarantee safety when placed in a closed-loop system architecture. It will also require to answer the fundamental question of how to design learning architectures for dynamic and interactive agents. This talk will highlight our recent progress in combining learning methods with formal results from control theory. By combining models with data\, our algorithms achieve adaptation to changing conditions during long-term operation\, data-efficient multi-robot\, multi-task transfer learning\, and safe reinforcement learning. We demonstrate our algorithms in vision-based off-road driving and drone flight experiments\, as well as on mobile manipulators.
URL:https://seasevents.nmsdev7.com/event/meam-seminar-machine-learning-for-robotics-achieving-safety-performance-and-reliability-by-combining-models-and-data-in-a-closed-loop-system-architecture/
LOCATION:Moore 216\, 200 S. 33rd 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:20190611T103000
DTEND;TZID=America/New_York:20190611T120000
DTSTAMP:20260408T172512
CREATED:20190607T135743Z
LAST-MODIFIED:20190607T135743Z
UID:10006232-1560249000-1560254400@seasevents.nmsdev7.com
SUMMARY:MEAM Seminar: "Hierarchical Task-Parameterized Learning from Demonstration "
DESCRIPTION:Many modern humanoid robots are designed to operate in human environments\, like homes and hospitals. Such robots could help humans accomplish tasks and lower their physical and/or mental workload. However\, robot users in homes and hospitals typically are not familiar with robotics or programming\, therefore it is difficult for them to adapt robots to their specific needs and environments. To remedy this situation\, many researchers turn to learning from demonstration (LfD)\, which enables a robot to emulate natural human movement as opposed to having an operator devise control policies and reprogram the robot for every new situation it encounters. \nWe suggest a hierarchical LfD structure of task-parameterized models\, particularly for object movement tasks that are ubiquitous in everyday life and could benefit from robotic support. Inspired by the task-parameterized Gaussian mixture model (TP-GMM) algorithm\, we develop the hierarchical structure and explicitly utilize task parameters to maximize the expected performance in a new situation from a few demonstrated situations. The robot can thus determine when it should request new demonstrations when the expected performance is too low. Other advantages of our approach include that a wider range of task situations can be modeled in the same framework without deteriorating performance and that adding or removing demonstrations incurs low computational load\, and thus the robot’s skill library can be built incrementally. We show these advantages in a simulated task and in the real world where naïve participants collaborated with a Willow Garage PR2 robot to move a handheld object. For most tested scenarios our hierarchical method achieved significantly better task performance and subjective ratings than both a passive model with only gravity compensation and a single TP-GMM encoding all demonstrations.
URL:https://seasevents.nmsdev7.com/event/meam-seminar-hierarchical-task-parameterized-learning-from-demonstration/
LOCATION:Moore 216\, 200 S. 33rd Street\, Philadelphia\, PA\, 19104\, United States
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20190610T110000
DTEND;TZID=America/New_York:20190610T120000
DTSTAMP:20260408T172512
CREATED:20190604T160021Z
LAST-MODIFIED:20190604T160021Z
UID:10006230-1560164400-1560168000@seasevents.nmsdev7.com
SUMMARY:NSF CAREER Awards Workshop
DESCRIPTION:
URL:https://seasevents.nmsdev7.com/event/nsf-career-awards-workshop/
LOCATION:Wu and Chen Auditorium (Room 101)\, Levine Hall\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Panel Discussion
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20190610T103000
DTEND;TZID=America/New_York:20190610T123000
DTSTAMP:20260408T172512
CREATED:20190530T153821Z
LAST-MODIFIED:20190530T153821Z
UID:10006229-1560162600-1560169800@seasevents.nmsdev7.com
SUMMARY:CBE Doctoral Dissertation Defense: "Improving Performance of Infiltrated SOFC Cathodes via Scaffold Engineering and Catalyst Surface Engineering"
DESCRIPTION:Committee Members: Raymond J. Gorte and John M. Vohs\, Co-Advisors; Aleksandra Vojvodic and Donald Berry.
URL:https://seasevents.nmsdev7.com/event/cbe-doctoral-dissertation-defense-improving-performance-of-infiltrated-sofc-cathodes-via-scaffold-engineering-and-catalyst-surface-engineering/
LOCATION:Room 337\, Towne Building\, 220 South 33rd Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Doctoral,Student,Dissertation or Thesis Defense
ORGANIZER;CN="Chemical and Biomolecular Engineering":MAILTO:cbemail@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20190605T100000
DTEND;TZID=America/New_York:20190605T120000
DTSTAMP:20260408T172512
CREATED:20190523T153134Z
LAST-MODIFIED:20190523T153134Z
UID:10006225-1559728800-1559736000@seasevents.nmsdev7.com
SUMMARY:Doctoral Dissertation Defense: "Method of MRI-Based Assessment of Cortical Bone Matrix and Mineral Properties in a Clinical Setting”
DESCRIPTION:The Department of Bioengineering at the University of Pennsylvania and Drs. Hee Kwon Song & Felix Wehrli are pleased to announce the Doctoral Dissertation Defense of Xia Zhao. This event is open to the public. \n  \nLarge conference room\, 1st floor Founders Building\, MRI Education Center\, Department of Radiology\, 3400 Spruce Street
URL:https://seasevents.nmsdev7.com/event/doctoral-dissertation-defense-method-of-mri-based-assessment-of-cortical-bone-matrix-and-mineral-properties-in-a-clinical-setting/
LOCATION:Founders Building\, 3400 Spruce Street
CATEGORIES:Doctoral,Student,Dissertation or Thesis Defense
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20190530T100000
DTEND;TZID=America/New_York:20190530T120000
DTSTAMP:20260408T172512
CREATED:20190528T191603Z
LAST-MODIFIED:20190528T191603Z
UID:10006227-1559210400-1559217600@seasevents.nmsdev7.com
SUMMARY:CBE Doctoral Dissertation Defense: "Insights for catalyst design: A systematic investigation of the morphological dependence of catalytic and photocatalytic activity for nanostructured titania"
DESCRIPTION:Committee Members: John V. Vohs\, Advisor; Raymond J. Gorte\, Aleksandra Vojvodic and Christopher B. Murray
URL:https://seasevents.nmsdev7.com/event/doctoral-dissertation-defense-insights-for-catalyst-design-a-systematic-investigation-of-the-morphological-dependence-of-catalytic-and-photocatalytic-activity-for-nanostructured-titania/
LOCATION:PICS Conference Room 534 – A Wing \, 5th Floor\, 3401 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Doctoral,Student,Dissertation or Thesis Defense
ORGANIZER;CN="Chemical and Biomolecular Engineering":MAILTO:cbemail@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20190529T133000
DTEND;TZID=America/New_York:20190529T153000
DTSTAMP:20260408T172512
CREATED:20190528T184610Z
LAST-MODIFIED:20190528T184610Z
UID:10006226-1559136600-1559143800@seasevents.nmsdev7.com
SUMMARY:CBE Doctoral Dissertation Defense: "Selective Conversion of Biomass Model Compounds Using Promoted Metal Catalysts"
DESCRIPTION:Committee Members: Raymond J. Gorte\, Advisor; John M. Vohs\, Aleksandra Vojvodic and Bingjun Xu
URL:https://seasevents.nmsdev7.com/event/doctoral-dissertation-defense-selective-conversion-of-biomass-model-compounds-using-promoted-metal-catalysts/
LOCATION:PICS Conference Room 534 – A Wing \, 5th Floor\, 3401 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Doctoral,Student,Dissertation or Thesis Defense
ORGANIZER;CN="Chemical and Biomolecular Engineering":MAILTO:cbemail@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20190528T110000
DTEND;TZID=America/New_York:20190528T120000
DTSTAMP:20260408T172512
CREATED:20190523T153941Z
LAST-MODIFIED:20190523T153941Z
UID:10006224-1559041200-1559044800@seasevents.nmsdev7.com
SUMMARY:ESE Seminar: "Caching and Coding in Networks: Rate Efficiency\, Age Efficiency"
DESCRIPTION:Caching is of primary importance in the Internet-of-Things (IoT) and in particular in information-centric network (ICN) architectures where the focal point is content rather than where it can be retrieved from. As a result\, in ICN networks one can replicate and store (or cache) content at various nodes throughout the network so that it can be accessed faster locally without burdening the server and the global network. Traditionally\, caching has been studied on the network layer and its role is to bring content close to the end users. However\, it is now known that the role of caching is beyond storing portions of data. \nIn this talk\, we undertake a holistic approach to cache-aided broadcast networks and show how smart cache design facilitates coding opportunities on the physical layer\, leading to scalable gains in rate and latency. We next address several practical aspects of caching networks by introducing the framework of “caching on the fly” where nodes can cache overheard packets. Identifying simple but efficient coding actions\, we devise policies that schedule coding actions (as opposed to traditional schemes that schedule different users). Within this framework\, we design schemes that are practical\, low complexity\, robust to dynamics of network statistics\, and efficient not only in traditional measures of rate and latency\, but also in new performance measures such as age of information.
URL:https://seasevents.nmsdev7.com/event/ese-seminar-caching-and-coding-in-networks-rate-efficiency-age-efficiency/
LOCATION:Room 401B\, 3401 Walnut\, 3401 Walnut Street\, Philadelphia\, PA\, 19104\, United States
ORGANIZER;CN="Electrical and Systems Engineering":MAILTO:eseevents@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20190523T140000
DTEND;TZID=America/New_York:20190523T150000
DTSTAMP:20260408T172512
CREATED:20190521T203128Z
LAST-MODIFIED:20190521T203128Z
UID:10006223-1558620000-1558623600@seasevents.nmsdev7.com
SUMMARY:MEAM Ph.D. Thesis Defense: "Coarse-graining of Atomistic Models to the Continuum Scale with Applications to Elastodynamics and Diffusive Processes"
DESCRIPTION:Nonequilibrium phenomena are ubiquitous in nature as well as industrial applications. However\, their modeling and simulation faces a strong compromise between physical fidelity and computational efficiency\, with atomistic simulations and continuum descriptions lying towards the two ends of this spectrum. \nIn this dissertation we will first revisit several continuum modeling strategies for the formulation of nonequilibrium evolution equations\, and show by means of an example\, inconsistencies that can arise between the various formalisms. This example will serve as a motivation for developing coarse-graining strategies that can directly link atomistic and continuum models in the context of reversible and irreversible evolutions. With regard to reversible phenomena\, we will present an upscaling scheme that provides a new angle to the classical thermodynamic description of the elastodynamics of solids at finite temperature as the spatio-temporal continuum limit of atomistic Hamiltonian dynamics. This scheme identifies suitable macroscopic (slow) variables and provides its effective equations of motion via elimination of the fast degrees of freedom in the limit of infinite time/space scale separation. In addition\, it provides highly intuitive mathematical explanations to various well-known thermodynamic relations. For purely irreversible processes\, a novel coarse-graining strategy is proposed that numerically delivers the entire continuum evolution equation (and not just parameters therein) from particle fluctuations via an infinite-dimensional fluctuation-dissipation relation. The methodology is exemplified for a diffusion process with known analytical solution\, where an excellent agreement is obtained for the density evolution. Finally\, as an outlook\, data-driven techniques are explored to gain understanding in irreversible structural transformations in colloidal crystallites.
URL:https://seasevents.nmsdev7.com/event/meam-ph-d-thesis-defense-coarse-graining-of-atomistic-models-to-the-continuum-scale-with-applications-to-elastodynamics-and-diffusive-processes/
LOCATION:Room 337\, Towne Building\, 220 South 33rd 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:20190518T140000
DTEND;TZID=America/New_York:20190518T160000
DTSTAMP:20260408T172512
CREATED:20190515T125753Z
LAST-MODIFIED:20190515T125753Z
UID:10006222-1558188000-1558195200@seasevents.nmsdev7.com
SUMMARY:Penn Engineering Undergraduate Commencement Ceremony
DESCRIPTION:Doors open for guest seating at 1:30 p.m. Access livestream here.
URL:https://seasevents.nmsdev7.com/event/penn-engineering-undergraduate-commencement-ceremony/
LOCATION:Palestra\, 223 South 33rd Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Student,Alumni,Commencement,Undergraduate
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20190517T153000
DTEND;TZID=America/New_York:20190517T173000
DTSTAMP:20260408T172512
CREATED:20190515T125235Z
LAST-MODIFIED:20190515T125235Z
UID:10006221-1558107000-1558114200@seasevents.nmsdev7.com
SUMMARY:Penn Engineering Master’s Commencement Ceremony
DESCRIPTION:Doors open for guest seating at 3:00 p.m. Access livestream here.
URL:https://seasevents.nmsdev7.com/event/penn-engineering-masters-commencement-ceremony/
LOCATION:Palestra\, 223 South 33rd Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Graduate,Student,Master's,Alumni,Commencement
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20190516T153000
DTEND;TZID=America/New_York:20190516T163000
DTSTAMP:20260408T172512
CREATED:20190515T124356Z
LAST-MODIFIED:20190515T124356Z
UID:10006220-1558020600-1558024200@seasevents.nmsdev7.com
SUMMARY:Penn Engineering Doctoral Commencement Ceremony
DESCRIPTION:Doors open for guest seating at 3:00 p.m.
URL:https://seasevents.nmsdev7.com/event/penn-engineering-doctoral-commencement-ceremony/
LOCATION:Irvine Auditorium\, 3401 Spruce Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Doctoral,Graduate,Student,Alumni,Commencement
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20190515T140000
DTEND;TZID=America/New_York:20190515T150000
DTSTAMP:20260408T172512
CREATED:20190509T165440Z
LAST-MODIFIED:20190509T165440Z
UID:10006217-1557928800-1557932400@seasevents.nmsdev7.com
SUMMARY:MEAM Seminar: "Tribofilms at the Asperity Scale"
DESCRIPTION:The presentation will start with an introduction to tribology. This term was first used in a 1965 UK government report which identified the economic loss due to preventable wear and poor friction performance. It helped bring together the diverse community of engineers and scientists that need to collaborate in order to tackle the complex interactions that are central to friction and wear processes. The introduction will conclude with a brief overview of lubricant technology and the associated scope of research themes that support development of new lubricants. \nThe core topic will cover recent advances in our understanding of the formation of the lubricant generated boundary or tribofilms that help control friction and wear processes. Our approach has been to develop new methods and tools that allow us to study the interaction of materials\, surface morphology\, stress and chemical reactivity at the asperity scale within macro scale lubricated rough surface sliding contacts. Highly detailed surface topography\, surface elemental analysis and rough surface contact simulation results\, obtained from carefully controlled wear experiments\, have been mapped onto common asperity scale grids. The results clearly establish that tribofilms initiate very quickly at localized high stress contact spots within the overall macro scale contact footprint. Complementary work in high stress but well separated sliding contacts shows that direct surface contact is not necessarily required to generate surface films. Both sets of experimental results are consistent with stress augmented surface reaction mechanisms that are now being studied by multiple researchers in this field. These developments have shed considerable light on mechanisms that have been elusive for more than 50 years which are key to the performance of lubricants. \nFinally some thoughts on future challenges in tribology and lubrication will be offered. A recent study sponsored by the Society of Tribologists and Lubrication Engineers (STLE) has identified key science and technology\, industry\, regulatory and global trends that will impact lubrication and tribology. These include increasing electrification of personal vehicles\, new and emerging energy sources and the role that tribology plays in enabling new technology development.
URL:https://seasevents.nmsdev7.com/event/meam-spring-seminar-tribofilms-at-the-asperity-scale/
LOCATION:Room 337\, Towne Building\, 220 South 33rd 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:20190515T130000
DTEND;TZID=America/New_York:20190515T180000
DTSTAMP:20260408T172512
CREATED:20190514T201843Z
LAST-MODIFIED:20190514T201843Z
UID:10006219-1557925200-1557943200@seasevents.nmsdev7.com
SUMMARY:2019 Warren Center Meet and Greet
DESCRIPTION:1:00-1:20pm- Coffee and Snacks \n1:20-1:30pm- Michael Kearns\, Opening Remarks \n1:30-1:40pm- Victor Amelkin\, “Strategic Formation and Resilience of Supply Chain Networks” \n1:40-1:50pm- Tom Baker\, “Cyber Insurance” \n1:50-2:00pm- Bhuvnesh Jain\, “Black Holes and Other Dark Matters” \n2:00-2:10pm- Aaron Roth\, “Individual Statistical Fairness in Machine Learning” \n2:10-2:20pm- Matt Killingsworth\, “Human Happiness in High Resolution” \n2:20-2:30pm- Hamsa Bastani\, “Mitigating Environmental and Social Harm through Transshipment Bans” \n2:30-2:40pm- Amit Gandhi\, “Machine Learning of Optimal Instruments for Causal Inference” \n2:40-2:50pm- Damon Centola\, “Network Dynamics of Category Formation” \n2:50-3:10pm- Coffee Break \n3:10-3:20pm- Michael Kearns\, “Behavioral Experiments in Subjective Fairness” \n3:20-3:30pm- Jason Moore\, “Accessible AI for Data Science” \n3:30-3:40pm- Richard Berk\, “Almost Politically Correct Criminal Justice Risk Assessment” \n3:40-3:50pm- Chris Callison-Burch\, “A Data-Driven Analysis of Workers’ Earnings on Amazon Mechanical Turk” \n3:50-4:00pm- Ron Berman\, “Profit Maximizing A/B Tests” \n4:00-4:10pm- Brett Hemenway\, “Securely Computing Statistics on Federated Data Sets” \n4:10-4:20pm- Cyrille Doux\, “Is It Two Galaxies or One? Deep Galaxy Surveys and Bayesian Neural Networks” \n4:20-4:30pm- George Mailath\, “The Wisdom of the Confused Crowd: Model-Based Inference” \n4:30pm- Reception
URL:https://seasevents.nmsdev7.com/event/warren-center-meet-and-greet/
LOCATION:Room 401B\, 3401 Walnut\, 3401 Walnut Street\, Philadelphia\, PA\, 19104\, United States
ORGANIZER;CN="The Warren Center":MAILTO:Lhoot@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20190514T110000
DTEND;TZID=America/New_York:20190514T120000
DTSTAMP:20260408T172512
CREATED:20190510T151747Z
LAST-MODIFIED:20190510T151747Z
UID:10006218-1557831600-1557835200@seasevents.nmsdev7.com
SUMMARY:ESE Seminar: ERI: Creating Inflections in the Trajectory of Semiconductors
DESCRIPTION:The government is spending 1.5 billion dollars over 5 years to create a more secure\, specialized and highly automated electronics industry. This talk will describe the current programs and the motivation for the initiative.
URL:https://seasevents.nmsdev7.com/event/ese-seminar-eri-creating-inflections-in-the-trajectory-of-semiconductors/
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:20190509T110000
DTEND;TZID=America/New_York:20190509T120000
DTSTAMP:20260408T172512
CREATED:20190423T184824Z
LAST-MODIFIED:20190423T184824Z
UID:10006214-1557399600-1557403200@seasevents.nmsdev7.com
SUMMARY:ESE & GRASP Seminar: "Efficient Computing for AI and Robotics"
DESCRIPTION:Computing near the sensor is preferred over the cloud due to privacy and/or latency concerns for a wide range of applications including robotics/drones\, self-driving cars\, smart Internet of Things\, and portable/wearable electronics. However\, at the sensor there are often stringent constraints on energy consumption and cost in addition to the throughput and accuracy requirements of the application. In this talk\, we will describe how joint algorithm and hardware design can be used to reduce energy consumption while delivering real-time and robust performance for applications including deep learning\, computer vision\, autonomous navigation/exploration and video/image processing. We will show how energy-efficient techniques that exploit correlation and sparsity to reduce compute\, data movement and storage costs can be applied to various tasks including image classification\, depth estimation\, super-resolution\, localization and mapping.
URL:https://seasevents.nmsdev7.com/event/ese-seminar-efficient-computing-for-ai-and-robotics/
LOCATION:Room 337\, Towne Building\, 220 South 33rd Street\, Philadelphia\, PA\, 19104\, United States
ORGANIZER;CN="Electrical and Systems Engineering":MAILTO:eseevents@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20190509T103000
DTEND;TZID=America/New_York:20190509T123000
DTSTAMP:20260408T172512
CREATED:20190430T141928Z
LAST-MODIFIED:20190430T141928Z
UID:10006216-1557397800-1557405000@seasevents.nmsdev7.com
SUMMARY:Doctoral Dissertation Defense: "Automated analysis of experience-dependent sensory response behavior in Caenorhabditis elegans"
DESCRIPTION:The Department of Bioengineering at the University of Pennsylvania and Dr. Christopher Fang-Yen are pleased to announce the Doctoral Dissertation Defense of Patrick McClanahan.\n\nTitle: Automated analysis of experience-dependent sensory response behavior in Caenorhabditis elegans\n\nDate: Thursday\, May 9th\, 2019\nTime: 10:30 AM\nLocation: Moore 212\n\nThe public is welcome to attend
URL:https://seasevents.nmsdev7.com/event/doctoral-dissertation-defense-automated-analysis-of-experience-dependent-sensory-response-behavior-in-caenorhabditis-elegans/
LOCATION:Moore 212
CATEGORIES:Doctoral,Student,Dissertation or Thesis Defense
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20190506T120000
DTEND;TZID=America/New_York:20190506T130000
DTSTAMP:20260408T172512
CREATED:20190110T204334Z
LAST-MODIFIED:20190110T204334Z
UID:10006137-1557144000-1557147600@seasevents.nmsdev7.com
SUMMARY:PSOC Spring 2019 Seminar Series: Parag Mallick\, Ph.D.
DESCRIPTION:
URL:https://seasevents.nmsdev7.com/event/psoc-spring-2019-seminar-series-parag-mallick-ph-d/
LOCATION:Room 337\, Towne Building\, 220 South 33rd 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:20190430T103000
DTEND;TZID=America/New_York:20190430T120000
DTSTAMP:20260408T172512
CREATED:20190412T132016Z
LAST-MODIFIED:20190412T132016Z
UID:10006211-1556620200-1556625600@seasevents.nmsdev7.com
SUMMARY:MEAM Seminar: "Fault-Tolerant Control on VTOL Aircraft"
DESCRIPTION:High-speed rotorcraft such as coaxial compound helicopters have a significant degree of control redundancy that can be exploited to minimize power requirement\, noise\, and vibration\, in various flight conditions. This lecture focuses on a new idea – how control redundancy can be leveraged to compensate for control actuation failure. Both adaptive as well as robust strategies are examined\, and operation post-failure is demonstrated via simulation. Multi-copters with greater than four rotors (hexacopters\, octocopters\, etc.)\, also offer control redundancy\, allowing for safe operation post-failure by using the remaining (uncompromised) rotors. The lecture will examine the kind of failures that can be compensated on classical hexacopters and octocopters\, along with the changes in rotor operational speed requirements\, and the associated physics\, post-failure.
URL:https://seasevents.nmsdev7.com/event/meam-seminar-fault-tolerant-control-on-vtol-aircraft/
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:20190426T140000
DTEND;TZID=America/New_York:20190426T150000
DTSTAMP:20260408T172512
CREATED:20190419T130714Z
LAST-MODIFIED:20190419T130714Z
UID:10006213-1556287200-1556290800@seasevents.nmsdev7.com
SUMMARY:PICS Seminar: "Impact of Non-Native Structures in Ionic Liquid-Ionic Liquid Mixtures on Phase Equilibria Properties of Gases"
DESCRIPTION:Ionic liquids are substances that are composed entirely of ions. Negligible vapor pressures and the availability of a large number of cations and anions to tune physicochemical and biological properties for a given chemical process have been the primary drivers for research in this field over the last two decades. Majority of these investigations have focused primarily on elucidating changes in the properties of pure ionic liquids by altering the cation\, anion or substituents on the ions. Another approach to expand the range of available ionic liquids is to form ionic liquid-ionic liquid mixtures. From a thermodynamic point of view\, the knowledge of the extent of non-ideality in these binary ionic liquid mixtures and the molecular level details enable a priori prediction of thermophysical properties of ionic liquid mixture. In this presentation\, we will demonstrate that the difference in the molar volume of the ionic liquids forming the mixture and the difference in the hydrogen bonding ability of the anions can serve as metrics for the prediction of non-ideality in the binary ionic liquid systems. Such non-idealities are quantified in terms of the local structural organization of anions around the cation. We will further highlight that these non-native structures lead to a different dissolution mechanism for CO2 in mixtures in comparison to that for pure ionic liquids although the CO2 solubilities obey apparent ideal mixing rule. On the other hand\, an examination of NH3 solubility in binary ionic liquid mixtures reveals a non-ideal NH3-solubility behavior.
URL:https://seasevents.nmsdev7.com/event/pics-seminar-impact-of-non-native-structures-in-ionic-liquid-ionic-liquid-mixtures-on-phase-equilibria-properties-of-gases/
LOCATION:Raisler Lounge (Room 225)\, Towne Building\, 220 South 33rd Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Colloquium
ORGANIZER;CN="Penn Institute for Computational Science (PICS)":MAILTO:dkparks@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20190425T131500
DTEND;TZID=America/New_York:20190425T151500
DTSTAMP:20260408T172512
CREATED:20190405T153305Z
LAST-MODIFIED:20190405T153305Z
UID:10006209-1556198100-1556205300@seasevents.nmsdev7.com
SUMMARY:Doctoral Dissertation Defense: "Miniaturizing High Throughput Droplet Assays for Ultrasensitive Molecular Detection on a Portable Platform"
DESCRIPTION:The Department of Bioengineering at the University of Pennsylvania and Dr. David Issadore are pleased to announce the Doctoral Dissertation Defense of Venkata “Ravi” Yelleswarapu.\n\n\nThe public is welcome to attend.
URL:https://seasevents.nmsdev7.com/event/doctoral-dissertation-defense-miniaturizing-high-throughput-droplet-assays-for-ultrasensitive-molecular-detection-on-a-portable-platform/
LOCATION:Greenberg Lounge (Room 114)\, Skirkanich Hall\, 210 South 33rd Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Doctoral,Student,Dissertation or Thesis Defense
ORGANIZER;CN="Bioengineering":MAILTO:be@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20190424T150000
DTEND;TZID=America/New_York:20190424T160000
DTSTAMP:20260408T172512
CREATED:20190110T204200Z
LAST-MODIFIED:20190110T204200Z
UID:10006136-1556118000-1556121600@seasevents.nmsdev7.com
SUMMARY:CBE Seminar: "Effects of Polarity\, Solvation\, and Interfacial Polarization on Charge-driven Assembly"
DESCRIPTION:
URL:https://seasevents.nmsdev7.com/event/cbe-seminar-effects-of-polarity-solvation-and-interfacial-polarization-on-charge-driven-assembly/
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
END:VCALENDAR