Ziwei Wang

PhD Candidate at Northwestern University

Northwestern University

Biography

I am a current PhD candidate in Mechanical Engineering at Northwestern University, advised by Professor Balogun. I love video games and movies.

Interests

Mechanical vibration
Biological material characterization
Optical coherence elastography

Education

PhD in Mechanical Engineering, Current
Northwestern University
MS in Engineering Mechanics, 2017
Beijing Institute of Technology
BS in Engineering Mechanics, 2014
Beijing Institute of Technology

Experience

Hardware Engineering Intern

Apple Inc.

October 2022 – July 2023 Cupertino, California

Worked in Display FEA team to support mechanical designs of displays on MacBooks, iPads and other Apple products.

PhD Researcher

Northwestern University

September 2017 – Present Evanston, Illinois

Focusing on developing mechanical characterization methods based on optical coherence elastography (OCE) for soft materials.

Graduate Student Researcher

Beijing Institute of Technology

August 2014 – June 2017 Beijing, China

Focusing on digital elastic metamaterial design for mechanical vibration control.

Featured Publications

Ziwei Wang, Quan Zhang, Kai Zhang, Gengkai Hu

November, 2016 Advanced Materials

Tunable Digital Metamaterial for Broadband Vibration Isolation at Low Frequency

A 3D-printed digital metamaterial embedded with electromagnets is fabricated. Switching electromagnets between the attaching (1 bit) and detaching (0 bit) modes activates different waveguides in the metamaterial. The underlying mechanism is investigated theoretically and experimentally. The hierarchical assemblies of unit cells, mimicking digital bits, allow programmable broadening of the bandgap of the metamaterial.

Recent Publications

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Pieter Candry, Bruce J Godfrey, Ziwei Wang, Fabrizio Sabba, Evan Dieppa, Julia Fudge, Oluwaseyi Balogun, George Wells, Mari-Karoliina Henriikka Winkler (2022). Tailoring polyvinyl alcohol-sodium alginate (PVA-SA) hydrogel beads by controlling crosslinking pH and time. Scientific reports.

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Dohyun Leem, Shuheng Liao, Suman Bhandari, Ziwei Wang, Kornel Ehmann, Jian Cao (2022). A toolpath strategy for double-sided incremental forming of corrugated structures. Journal of Materials Processing Technology.

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Ziwei Wang, Victor Lefevre, Oluwaseyi Balogun (2022). Measurement of Frequency-Dependent Storage and Loss Shear Moduli at kHz Frequencies using Optical Coherence Elastography.

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Ziwei Wang, Oluwaseyi Balogun, Yun Young Kim (2022). Nanomechanical property evaluation of tungsten thin film via frequency-domain photoacoustic microscopy. Thin Solid Films.

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Hong-Cin Liou, Fabrizio Sabba, Ziwei Wang, George Wells, Oluwaseyi Balogun (2021). Layered viscoelastic properties of granular biofilms. Water Research.

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