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CBE Seminar: “Shake It Off: Dynamics of Bacterial Adhesions at Interfaces”

Wu and Chen Auditorium (Room 101), Levine Hall 3330 Walnut Street, Philadelphia, PA, United States

Abstract Control over adhesion of bacteria on solid and liquid interfaces underlies a spectrum of practical applications, ranging from preventing the formation of destructive biofilms on medical devices and on resource pipelines to removing pollutants from water. Because microscale bacteria are similar in size to colloidal particles, bacterial adhesion has long been studied using models […]

ODEI Spotlight: Promoting LGBTQ+ Inclusivity

Are you looking for a way to expand your understanding of what it means to be a member of LGBTQ+ communities? Do you feel uneducated in conversations surrounding LGBTQ+ language and preferred terms? Join us for this interactive session which provides participants with an overview of LGBTQ+ history, terms, and current issues. It is a […]

MEAM PhD Thesis Defense: “A Differential Homogenization Framework for Precipitation-Strengthened Metals”

Zoom - Email MEAM for Link peterlit@seas.upenn.edu

Composite materials, such as metal- and polymer-matrix composites, exhibit both elastic and dissipative effects when subjected to macroscopic loadings. Even when the phases of the composite are characterized by a simple Maxwell rheology, the complex viscoelastic interactions between the phases give rise to emergent behavior at the macroscopic scale. Incorporating these ``long-memory'' effects in the […]

Fall 2021 GRASP Seminar: Rahul Mangharam, University of Pennsylvania, “What can we learn from Autonomous Racing?”

Wu and Chen Auditorium (Room 101), Levine Hall 3330 Walnut Street, Philadelphia, PA, United States

*This will be a HYBRID Event with in-person attendance in Wu & Chen Auditorium and Virtual attendance via Zoom here.  Balancing performance and safety are crucial to deploying autonomous vehicles in multi-agent environments. In particular, autonomous racing is a domain that penalizes safe but conservative policies, highlighting the need for robust, adaptive strategies. Current approaches […]

ODEI Spotlight: Career Services Q&A zoom session for International Students

Are you an international student at Penn with questions about your resume, cover letters, interviewing, LinkedIn, using Handshake, finding opportunities, career fairs, virtual interviews, networking, negotiations, or other job search topics? Join this informal zoom session where Jillian Cener, Associate Director of Penn Career Services, will answer your questions and have a discussion with the […]

ODEI Spotlight: Penn Pride Palooza 2021

LGBT Center - 3907 Spruce Street 3907 Spruce Street, Philadelphia, United States

Kick-off LGBTQ+ History Month and warm-up for National Coming Out Day with a bang! Come to our festival featuring queer dance lessons (no experience needed), progressive pride flags galore, and of course yummy food (gluten-free and vegan options available; more TBA. All are welcome.

MEAM PhD Thesis Defense: “Dynamic Behavior of Periodic Media and Elastic Metamaterials”

Zoom - Email MEAM for Link peterlit@seas.upenn.edu

Periodic media and resonant, acoustic/elastic metamaterials possess extraordinary frequency band gaps where no waves may propagate. In this dissertation, we leverage numerical simulations to gain insight into practical ways to effectively measure and characterize the behavior of these materials from experimental observables and also explore physical mechanisms to optimize their performance, particularly in the context […]

MEAM Seminar: “Electrets, Magnetics and Deformation in Soft Materials”

Zoom - Email MEAM for Link peterlit@seas.upenn.edu

Soft robotics, energy harvesting, large-deformation sensing and actuation, are just some of the applications that can be enabled by soft dielectrics that demonstrate substantive electromechanical coupling. Imagine now also a material that will produce electricity and deform substantively via a contactless, wireless magnetic signal. Unfortunately, truly soft, naturally occurring piezoelectric or magnetoelectric materials essentially do […]

MEAM PhD Thesis Defense: “Analytical Homogenization Estimates for the Effective Properties and Field Statistics of Viscoplastic Composites and Particle Suspensions”

Zoom - Email MEAM for Link peterlit@seas.upenn.edu

Heterogeneous materials are commonly found in nature (e.g. soil, rock, blood) and engineering applications (e.g. paints, lubricants, sintered materials). Understanding the microstructure-properties relations is crucial to predicting how these materials fail and behave during processing. In this thesis, we develop semi-analytical homogenization estimates for the macroscopic properties and field statistics of viscoplastic composites. A generalization […]