Amit Dolev

GENERALRESEARCHPUBLICATIONS
Amit Dolev profile picture


Direct doctoral track track 2014 –
Advisor: Prof. Izhak Bucher


Contact Details

Full CV – Download

Office: Lady Davis Building 365

Tel: +972-77-8873605

Email: amitdtechnion@gmail.com

Research Interests
  • Mechanical vibrations and nonlinear dynamics.
  • Parametric resonators and amplifiers.
  • Acoustics, fluid structure interaction, and standing wave acoustic levitation.
  • Experimental identification and modeling of vibrating structures.
Current Research

  • Parametrically exciting an acoustically levitated sphere in a single-axis ultrasonic levitator.
  • Parametrically excited mechanisms for selective detection in distributed systems and alternating the radiated acoustic spectrum.
Standing-Wave Acoustic Levitation

Pictures

ALD_sys Gor_P_N AN_NUM A Single-axis ultrasonic levitator and an acoustic field mapping apparatus The pressure field absolute value in different frequencies, acquired by acoustic field mapping apparatus.
A Single-axis ultrasonic levitator and an acoustic field mapping apparatus
The pressure field absolute value in different frequencies, acquired by acoustic field mapping apparatus.

Videos

Acoustically levitated particle/s by a single-axis acoustic levitator, subjected to principal parametric resonance.

Operating mode shape of the actuator.

Actuator induced field pressure.

Parametrically Excited Mechanisms

Pictures

SDOF_Model_Exp SDOF_Res MDOF_model_N ModeS_fig MDOF_Exp

Videos

The MDOF amplifier response to external excitation without parametric excitation and with parametric excitation tuned to the second mode (00:7).

The MDOF amplifier response to external excitation without parametric excitation and with parametric excitation tuned to the third mode (00:11).

The realization of a link (spring and dashpot) (00:11) between the first and third masses.

Topology Optimization

Videos

Test case – a beam’s cross section optimization for noise reduction

JOURNAL PUBLICATIONS

Journals Papers in Preparation

  • Dolev, A., Tresser, S., and Bucher I., “Balancing rotating structures using slow-speed data via parametric excitation and nonlinear feedback theory and experiment,”

PATENTS

CONFERENCES

Refereed Papers in Conference Proceeding

Other Conference Contributions

  • Dolev, A., and Bucher, I., “Acoustically levitated sphere dynamics subjected to a parametric excitation”, the 2018 ISTAM symposium, Tel-Aviv, Israel, December 9, 2018.
  • Dolev, A., and Bucher, I., “Tuned dual-frequency parametric Excitation unveils hidden features”, China-Israel science and Engineering Eastern Guangdong Exchange Forum, Shantou University, China, April 26-27, 2018.
  • Dolev, A., and Bucher, I., “Tuned dual-frequency parametric Excitation unveils hidden features”, 2nd HKUST – Technion joint workshop, Hong Kong University of Science and Technology, Hong Kong, April 23-24, 2018.
  • Dolev, A., and Bucher, I., “Dual frequency parametric excitation of a nonlinear multi degree-of-freedom amplifier”, the 1 MOST Conference, Tel-Aviv, Israel, June 18, 2017.
  • Tresser, S., Dolev, A., and Bucher, I., “Balancing high speed flexible rotors using low rotation speed via parametric excitation”, the 34 ICME, Haifa, Israel, November 22-23, 2016.
  • Dolev, A., and Bucher, I., “Tunable parametrically excited amplifier for selective detection in distributed systems”, the 33 ICME, Tel-Aviv, Israel, March 2, 2015.
  • Dolev, A., and Bucher, I., “Balancing a fast rotating system while spinning at low rotation speeds”, Predictive maintenance, harshness monitoring, society meeting, Haifa, Israel, January 8, 2015.