Welcome to Jiawen's research page
Work Experience:
2018 Associate Professor: Instrumentation Science and Engineering, Southeast University,
Education:
2017.09 PhD: University of Connecticut, Storrs, CT, US
Department of Mechanical Engineering, advisor: Tang J
2011.12 MS: University of Science and Technology of China, Hefei, Anhui, China
Department of Precision Machinery and Precision Instrumentation, advisor: Zhihua Feng
2009.06 BE: University of Science and Technology of China, Hefei, Anhui, China
Department of Precision Machinery and Precision Instrumentation, advisor: Zhihua Feng
Research Interests:
* Structural dynamics, linear and nonlinear dynamic analysis, FEM simulation;
* Smart materials, piezoelectric energy harvesting;
* Analogy circuits, energy harvesting circuit, negative impedance circuit;
* Sensor, weak signal detection and processing;
* Acoustic metamaterial, wave propagation.
* Self-fabricated instruments/sensors for measurement.
Vibration mode customization by acoustic metamaterial synthesis
Multiple directional energy harvesting by 1:2 internal resonance
Piezoelectric transformer, power density up to 135W/cm3
Energy harvesting. Passive negative stiffness compensation for electro-mechanical coupling improvement.
Piezoelectric metamaterial, periodic structure, weak signal processing
Acoustic metamaterial. Piezoelectric metamaterial for wave guiding.