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Physics PhD Thesis Defense: “Characterization of Solid State Defect Systems For Quantum Computing, Communication, and Sensing”

Towne 319 220 S. 33rd Street, Philadelphia, United States

Solid state defects have emerged as a leading candidate for platforms in quantum computing, communication, and sensing. The electronic spins localized around these defects have many advantages such as room temperature coherence, spin dependent optical transitions which enable visible-wavelength initialization and readout, and resonant frequencies compatible with widely available off-the-shelf microwave hardware. Furthermore, the nuclear […]

MEAM Seminar: “Addressing Sensitivity-Induced Challenges in Modeling Rigid-Body Systems with Frictional Impacts”

Room 337, Towne Building 220 South 33rd Street, Philadelphia, PA, United States

Imperfect but useful physical models play a crucial role in planning and controlling robot locomotion and manipulation. However, as the field shifts toward complex real-world applications, model accuracy requirements are increasing while calibration data is becoming scarcer. Consequently, model inaccuracy or the sim2real gap often hinders the development of performant robotics algorithms. Frictional contact, the […]

BE Doctoral Dissertation Defense: “Design, Modeling and Optimization of a Tape Spring Steerable Needle” (Omar Abdoun)

Towne 337

The Department of Bioengineering at the University of Pennsylvania and Dr. Mark Yim are pleased to announce the doctoral dissertation defense of Omar Abdoun. Title: DESIGN, MODELING, AND OPTIMIZATION OF A TAPE SPRING STEERABLE NEEDLE Date: 5/26 Time: 11:30am Location: 337 Towne Building  Zoom is also an option. The Link Is below: Omar Abdoun is inviting […]

MEAM Seminar: “Progress on Templates for Spined and Tailed Legged Robots”

Room 337, Towne Building 220 South 33rd Street, Philadelphia, PA, United States

By mirroring the success of biological systems, legged robots have the potential to be successful in almost every terrestrial environment. While legged machines have made significant advancements in the past 20 years, there still exists a considerable gap between what they can achieve and the abilities of animals. In this talk I’ll discuss some of […]

ESE PhD Thesis Defense: “Compute-In-Memory on Emerging Memory Technology: From Device to Algorithm”

Room 313, Singh Center for Nanotechnology 3205 Walnut Street, Philadelphia, PA, United States

Current computing systems are mainly constructed on the von Neumann architecture, where data needs to be transferred to a processing unit from memory components. The latency associated with accessing data from the memory units is a key performance bottleneck for a range of data-intensive applications in the convergence of big data and AI. Several solutions […]

MEAM Ph.D. Thesis Defense: “Transport Modeling and Design of Electrode Architectures for High Energy Density Batteries”

Room 337, Towne Building 220 South 33rd Street, Philadelphia, PA, United States

With the ever-increasing production of portable electronics, internet of things devices, electric vehicles, unmanned aerial vehicles, and other autonomous robotic systems comes an increasing demand for reliable, long-lasting, portable power sources. Portable electronic systems are often limited by the energy density of the batteries that power them, and these batteries typically take up a large […]

CBE PhD Thesis Defense: “Modeling Diverse Processes at Oxide Interfaces”

Towne 225

In this thesis, ab initio methods including density functional theory are used in concert with molecular dynamics, enhanced sampling techniques, and microkinetic modeling to study oxide materials as applied to electrochemical ammonia synthesis, carbon mineralization, and the oxygen evolution reaction. Special attention is directed towards discussion of model selection and its relationship to the experimental system. […]

MEAM Seminar: “Wall-modeled LES of 3-D Turbulent Boundary Layer with Emphasis on Grid Independency”

Room 2C4, David Rittenhouse Laboratory Building 209 S. 33rd Street, Philadelphia, PA, United States

The capability to predict high-Reynolds-number turbulent flows is essential for many natural and engineering flows such as external aerodynamics (wind turbines, aircraft wings), hydrodynamics (the hull of marine vehicles) and atmospheric boundary-layer flow over complex landscapes and cityscapes. However, due to extreme disparity of scales present in high-Reynolds-number wall-bounded turbulent flows, any attempt to simulate […]

MEAM Seminar: “Computational Study on the Influence of Roughness at Low and Very-High Reynolds Numbers”

Room 337, Towne Building 220 South 33rd Street, Philadelphia, PA, United States

Many fluid problems of interest, such as turbulent flow over an airplane or transport processes in geophysical flows, contain wall-bounded regions that form boundary layers. Oftentimes, both numerical and experimental studies are simplified by using smooth surfaces. This simplification has allowed us to gain a greater understanding of near-wall processes for flows of engineering interest, […]