acoustics and vibrations

上海交通大学机械与动力工程学院瞿叶高教授课题组，长期从事动力学与控制研究。课题组获得国家自然科学基金杰出青年科学基金、优秀青年科学基金、重大项目课题、重点项目等支持。因科研任务和团队发展需要，现面向海内外公开招聘博士后，从事动力学/固体力学/流体力学基础理论与方法、智能材料与结构、振动与噪声主被动控制等方面研究。
一、研究方向
1. 动力学/固体力学/流体力学理论与方法
2. 智能材料制备及力学性能表征
3. 结构振动、噪声主被动控制
4. 振动及波动操控技术与器件
5. 流致振动噪声分析与控制
6. 振动与声学在生物医学中的交叉研究
二、招聘条件
1. 年龄不超过35周岁，身心健康；
2. 已获得或即将获得力学、机械、仪器、材料、控制、物理等相关专业的博士学位；
3. 具有独立思考和解决问题的能力，诚信踏实的科研作风，良好的沟通协调能力和职业道德，较强的团队合作意识。
三、岗位职责
1. 参与课题组或独立承担科研项目；
2. 协助指导研究生工作和实验室日常管理；
3. 申报国家自然科学青年基金、博士后基金等科研项目。
四、岗位待遇

A Postdoctoral Research Fellow position is available immediately in the Advanced Digital & Additive Manufacturing (ADAM) Center at the Khalifa University of Science and Technology in Abu Dhabi in United Arab Emirates. Applicants should demonstrate research capabilities in investigating the acoustic absorption, vibration damping, and mechanical behavior of structural systems made of architected lightweight cellular materials and composites.

Mode-coupling instabilities are known to trigger self-excited vibrations in sliding contacts. Here, the conditions for mode-coupling (or "flutter") instability in the contact between a spherical oscillator and a moving viscoelastic substrate are studied. The work extends the classical 2-Degrees-Of-Freedom conveyor belt model and accounts for viscoelastic dissipation in the substrate, adhesive friction at the interface and non-linear normal contact stiffness as derived from numerical simulations based on a boundary element method capable of accounting for linear viscoelastic effects.

This paper presents a mathematical model for an industry-inspired problem of vibration isolation applied to elastic fluid-filled containers. A fundamental problem of suppression of vibrations within a finite-width frequency interval for a multi-scale fluid-solid system has been solved. We have developed a systematic approach employing full fluid-solid interaction and dispersion analysis, which can be applied to finite and periodic multi-scale systems.

http://www.thorntontomasetti.com/careers/dc_senior_engineer_structural_acoustics/

Dear Colleagues:

The Department of Mechanical and Nuclear Engineering at The Pennsylvania State University is seeking applicants for the William E. Diefenderfer Chair in Mechanical Engineering. Attached is a flyer for your information. Please let me know if you have any questions.

Sincerely

Aman Haque