EB3 3235 | Mechanical and Aerospace Engineering EB3 3235 | Mechanical and Aerospace Engineering

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EB3 3235

August 2016

MAE PhD Defense- Chen Shen

August 10, 2016 @ 2:00 pm

Title: Design of Acoustic Metamaterials and Metasurfaces (Advisor: Yun Jing, PHD) Date: Wednesday, August 10, 2016 Time: 2:00 PM Location: EB3 3235 Summarized Abstract SHEN, CHEN. Design of Acoustic Metamaterials and Metasurfaces. (Under the direction of Dr. Yun Jing). Acoustic metamaterials are artificially engineered materials or structures that exhibit exotic properties which do not exist in nature. The recent emergence of acoustic metasurfaces, as a subgenre of acoustic metamterials, opens up new possibilities in controlling acoustic waves. They are subwavelength acoustic surfaces/screens…

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MAE PhD Defense – Shengqi Zhang

August 16, 2016 @ 10:00 am

Title: An Eulerian Cutting Model for Fiber Reinforced Polymers (Advisor: Dr John S. Strenkowski) Date: August 16, 2016 Time & Location: 10:00 AM EB3-3235 ABSTRACT  An Eulerian numerical cutting model is presented that simulates orthogonal cutting of Uni-Directional Fiber-Reinforced Polymer (UD-FRP) composites. The continuous finite element method and the discontinuous Galerkin method are combined to solve the governing equations. An equivalent homogeneous material for the work-piece is implemented with a progressive damage model. The curvature in the work-piece material is computed and…

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October 2016

MAE PhD Defense – Zhouchen Wang

October 18, 2016 @ 10:00 am

Title: Dual-frequency Ultrasound Transducers for Medical Imaging (Advisor:  Dr. Xiaoning Jiang) Date: October 18, 2016 Time & Location: 10:00 AM EB3 – 3235 ABSTRACT Conventional single frequency ultrasound transducers with a limited bandwidth (-6 dB fractional bandwidth < 100 %) are not optimized for the contrast ultrasonography (eg. harminc, sub-harmonic, and super-harmonic) and elastography (eg. acoustic radiation force impulse imaging (ARFI)) technology, which may need ultrasound waves with different frequencies for excitation and detection, respectively. In this dissertation research, several types of dual-frequency ultrasound…

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November 2016

MAE PhD Defense – Di Zhu

November 28, 2016 @ 4:00 pm

Title:  A New Design Structure Matrix for Model-Based Testing (Advisor:  Dr. Larry Sivlerberg) Date: November 28, 2016 Time & Location: 4:00 PM EB3 – 3235 ABSTRACT As complexity increases, model-based approaches have become standard in the systems engineering community. However, engineers from different domains approach the system/component development at different levels of abstraction. Information gaps are created because these engineers have different perspectives and design changes occur during the system development. In addition, although systems have become more complex, requiring more attention to…

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October 2017

MAE PhD Defense – Chuanjin Wang

October 3, 2017 @ 9:30 am - 11:30 am

TITLE: Reconstructed Discontinous Galerkin Method for the Compressible Navier-Stokes Equations in Arbitrary Langrangian and Eulerian Formulation DATE: Tuesday, October 3, 2017 TIME & LOCATION: 9:30 AM   EB3 - 3235   ABSTRACT: A reconstructed discontinuous Galerkin (rDG) method is applied to solve the compressible Navier-stokes equations, in Eulerian, Lagrangian, and arbitrary Lagrangian-Eulerian (ALE) formulations, respectively. In the Eulerian formulation, a non-linear solver called the non-linear Krylov acceleration (NKA) is employed to both steady and unsteady compressible flows, and its performance…

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October 2018

MAE PhD Defense – Felipe Robles Poblete

October 5, 2018 @ 1:00 pm - 3:00 pm

TITLE: Rate-dependent Interfacial Mechanics in Advanced Material Systems ADVISOR: Dr. Yong Zhu DATE & TIME: Friday, October 5, 2018 at 1 PM LOCATION: EB3 - 3235   ABSTRACT: An important branch of applied mechanics involves the category of problems which examines the mechanical behavior of contact regions. There are an extensive number of engineering applications that require one material to be bonded to another. Examples of these applications include adhesive joints, composite materials, protective coatings, and thin films used in the fabrication of…

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November 2018

MAE PhD Defense – Ningyi Zhang

November 30, 2018 @ 11:00 am - 1:00 pm

TITLE: Fabrication and Utilization of PVDF Piezoelectric Thin Films Using Additive Manufacturing for Structural Health Monitoring ADVISOR: Dr. Fuh-Gwo Yuan DATE: Friday, November 30, 2018 at 11AM LOCATION: EB3 Rm. # 3235   ABSTRACT: Piezoelectric materials had the ability to transfer energy between the electric and mechanical domains. Because of their high flexibility and compatibility, polymer piezolelectric material had attracted more and more attention throughout the world. Polyvinylidene fluoride (PVDF) exhibited higher piezoelectricity than other polymer materials such as nylon and polyvinyl…

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