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MS Thesis Defense with Jichen Yao

Title:  Cellular Evolution in PEI: Mapping Bubble Dynamics through Solid-State CO₂ Foaming Processes Committee:  Marco Salviato (Chair), Charles Dorn Description:  Dynamic Mechanical Analysis (DMA) is performed on Ultem 1000 polyetherimide (PEI) samples over a range of temperatures under glass transition temperature under a certain strain rate. Deformation maps are constructed using digital image collocation (DIC) for Young’s Modulus, yield strength and softening time as a function of temperature. The foaming and glass transition processes are identified and the constitutive relationship on bubble growth process under CO₂ saturation as a function of temperature and pressure is constructed. Glass transition temperature, cell radius, cell strength and porosity within glassy and glass transition regimes were identified and calculated. Abstract:  Applications of polyetherimide (PEI) in aerospace extend beyond structural panels and insulation to include vibration-damping layers, impact-resistant aerospace… Event interval: Single day event. Campus location: Guggenheim Hall (GUG). Campus room: 305. Accessibility Contact: aafrontdesk@uw.edu. Event Types: Special Events. Thursday, May 29, 2025, 2:00 PM – 4:00 PM.

MS Thesis Defense with Kutay Demiralay

Kutay Demiralay's MS Thesis Defense Robustifying Sequential Convex Programming for Quadrotor Obstacle Avoidance Trajectory Planning in the Presence of Wind, Committee Behcet Acikmese (Chair), Amir Taghvaei Abstract In this work, we address the challenge of trajectory planning for a quadrotor operating in a 3D environment with three spherical obstacles, under the influence of bounded wind disturbances. The objective is to drive the system from an initial to a final state within a fixed final time, while minimizing fuel consumption and avoiding obstacles. We begin by computing a nominal trajectory without wind using a Sequential Convex Programming (SCP) framework applied to a 6-state, 3-DoF quadrotor model. This trajectory minimizes fuel while satisfying state, control, and obstacle constraints. However, under constant wind disturbances, this nominal path becomes unreliable due to drift, as the dynamics are unaware of wind. Even small disturbances can lead to obstacle violations, which is unacceptable for… Event interval: Single day event. Online Meeting Link: https://washington.zoom.us/j/94254843805?pwd=gZSlblPzF3gSb4Oa9bBj6TwqKIxsNU.1. Accessibility Contact: aafrontdesk@uw.edu. Event Types: Academics. Thursday, May 29, 2025, 3:00 PM – 4:30 PM.

MS Thesis Defense with Harry Furey-Soper

Harry Furey-Soper's MS Thesis Defense Investigating the Time Evolution of Plasma Density Structures in the ZaP-HD Flow Z-pinch, Committee Uri Shumlak (Chair), Bhuvana Srinivasan Abstract The Sheared-Flow-Stabilized Z-pinch is understood to be a promising plasma confinement configuration for applications in fusion energy and space propulsion. The application of a radial velocity shear offers stabilization against the Magneto-Rayleigh-Taylor instability, which causes classical Z-pinch plasmas to collapse at the densities and temperatures required for thermonuclear fusion. This thesis aims to characterize the spatiotemporal evolutions of electron density structures in the ZaP-HD Flow Z-pinch device using a 4-chord laser interferometer. The interferometer is based on a modified Mach-Zehnder configuration, and employs heterodyne and quadrature signal processing techniques. The most significant deviation from the standard Mach-Zehnder is the use of scene and reference beams with unequal path lengths. Data from a… Event interval: Single day event. Campus location: Guggenheim Hall (GUG). Online Meeting Link: https://washington.zoom.us/j/93405965901. Campus room: 305. Accessibility Contact: aafrontdesk@uw.edu. Event Types: Academics. Friday, May 30, 2025, 1:30 PM – 3:00 PM.

MS Thesis Defense with Nimit Berry

Title:  Development of a Lightning Strike Simulator with In-Situ Loading Committee:  Marco Salviato (Chair), Francesco Deleo Description:  Commercial aircraft typically experience about 1-2 lightning strikes each year. One of the challenges of composite materials is that they are poor conductors of electricity. Thus, manufacturers need to use lightning strike protection systems (LSPs) that can offset some of those weight-saving benefits of using composites. Without adequate protection, the consequences can be severe, including damage such as delamination, matrix cracking, and fiber breakage. Currently, the tests are performed without applying mechanical loads to the sample, which means we’re missing information on how in-flight stresses can affect the materials. This creates a critical knowledge gap because the damage properties under load might differ significantly from those in a sample that isn’t under stress. To fill this gap, this project is excited to design and develop an artificial lightning strike… Event interval: Single day event. Campus location: Guggenheim Hall (GUG). Online Meeting Link: https://washington.zoom.us/j/93405965901. Campus room: 211D. Accessibility Contact: aafrontdesk@uw.edu. Event Types: Special Events. Monday, June 2, 2025, 1:00 PM – 3:00 PM.

Faculty Meeting

Event interval: Single day event. Campus location: Guggenheim Hall (GUG). Campus room: GUG 211D. Accessibility Contact: aafrontdesk@uw.edu. Event Types: Meetings. Thursday, June 5, 2025, 1:00 PM – 2:30 PM.

A&A Professional Programs Information Session

Register for one of our upcoming information sessions to explore if our professional graduate programs align with your career goals and aspirations. Registration Link is the “Online Meeting Link” We will cover the Master of Aerospace Engineering program and our three Graduate Certificates. The professional master's and certificate programs teach skills to apply cutting-edge research and technology in industry, with no research or thesis required. Application deadline for Autumn 2025 admission is August 1, 2025. If you have questions, please contact advising team at aeropro@uw.edu. Our schedule of info sessions this quarter is: Monday, May 12, 5:00 – 5:30 PM , Monday, June 9, 5:00 – 5:30 PM , Monday, July 14, 5:00 – 5:30 PM , Monday, July 28, 5:00 – 5:30 PM. Event interval: Single day event. Online Meeting Link: https://washington.zoom.us/meeting/register/fS0k_2MkSSaQLwuSPnPMlw. Accessibility Contact: aeropro@uw.edu. Event Types: Information Sessions. Monday, June 9, 2025, 5:00 PM – 5:30 PM.

A&A Graduation

Event interval: Single day event. Campus location: Kane Hall (KNE). Accessibility Contact: aafrontdesk@uw.edu. Event Types: Ceremonies. Thursday, June 12, 2025, 5:00 PM – 7:00 PM.

UW Commencement

Event interval: Single day event. Campus location: Husky Stadium (STD). Accessibility Contact: commencement@uw.edu. Event Types: Ceremonies. Saturday, June 14, 2025, 1:00 PM – 3:00 PM.

A&A Professional Programs Information Session

Register for one of our upcoming information sessions to explore if our professional graduate programs align with your career goals and aspirations. Registration Link is the “Online Meeting Link” We will cover the Master of Aerospace Engineering program and our three Graduate Certificates. The professional master's and certificate programs teach skills to apply cutting-edge research and technology in industry, with no research or thesis required. Application deadline for Autumn 2025 admission is August 1, 2025. If you have questions, please contact advising team at aeropro@uw.edu. Our schedule of info sessions this quarter is: Monday, May 12, 5:00 – 5:30 PM , Monday, June 9, 5:00 – 5:30 PM , Monday, July 14, 5:00 – 5:30 PM , Monday, July 28, 5:00 – 5:30 PM. Event interval: Single day event. Online Meeting Link: https://washington.zoom.us/meeting/register/fS0k_2MkSSaQLwuSPnPMlw. Accessibility Contact: aeropro@uw.edu. Event Types: Information Sessions. Monday, July 14, 2025, 5:00 PM – 5:30 PM.

A&A Professional Programs Information Session

Register for one of our upcoming information sessions to explore if our professional graduate programs align with your career goals and aspirations. Registration Link is the “Online Meeting Link” We will cover the Master of Aerospace Engineering program and our three Graduate Certificates. The professional master's and certificate programs teach skills to apply cutting-edge research and technology in industry, with no research or thesis required. Application deadline for Autumn 2025 admission is August 1, 2025. If you have questions, please contact advising team at aeropro@uw.edu. Our schedule of info sessions this quarter is: Monday, May 12, 5:00 – 5:30 PM , Monday, June 9, 5:00 – 5:30 PM , Monday, July 14, 5:00 – 5:30 PM , Monday, July 28, 5:00 – 5:30 PM. Event interval: Single day event. Online Meeting Link: https://washington.zoom.us/meeting/register/fS0k_2MkSSaQLwuSPnPMlw. Accessibility Contact: aeropro@uw.edu. Event Types: Information Sessions. Monday, July 28, 2025, 5:00 PM – 5:30 PM.