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piezoelectric

Postdoc/PHD RA position available in the University of North Texas

Submitted by zhappybird on
job
piezoelectric
Sensor
ultrasound
communications

A postdoctoral researcher or a PHD RA position is available immediately in Smart Material Lab of the Department of Mechanical and Energy Engineering at the University of North Texas. The postdoc/RA will work on a project on ultrasound through wall data communications. Ideal candidates should have a background in mechanical or electrical engineering and should have some of the following experience:

1. Knowledge and skills on piezoelectric device design such as sensors and energy harvesters

2. Understanding of ultrasound theory and experiment method

A PHD position available in University of North Texas

Submitted by zhappybird on
job
Sensor
piezoelectric

A Three-year PHD position is available immediately in the Department of Mechanical and Energy Engineering, University of North Texas-Denton in the fields of piezoelectric gas sensor.

Candidates should have a Bachelor/Master's degree in mechanical engineering, Solid Mechanics,  Electrical engineering or Chemical engineering with good academic standing and should have at least one of the experience in the following:

(1) Piezoelectric sensor device modelling and experiment

(2) MEMS device fabrication

(3) Gas sensor development

Tuning of a piezoelectric vibration absorber attached to a damped structure

Submitted by Payam Soltani on
research
Damped host
piezoelectric
homotopy
piezoelectric; dynamic absorbers; shunting; Equal peak method

Tuning of a piezoelectric vibration absorber attached to a damped structure

By : Payam Soltani, Gaetan Kerschen, Gilles Tondreau, Arnaud Deraemaeker

Abstract:

(ABAQUS CAE) piezoelectric analysis

Submitted by ri3trio on
software
piezoelectric

Hello. 

I'm doing piezoelectric analysis using abaqus CAE v6.12.

Specifically, what I'm doing now is to make the bimorph piezoelectric harvester model using Abaqus CAE

and to validate my model.

My FE model is made based on the model developed by A Erturk and D J Inman in their paper,

'An experimentally validated bimorph cantilever model for piezoelectric energy harvesting from base excitations'

They presented the analytical solution for voltage output and experimental validation is also presented in this paper.

Piezoelectricity above the Curie temperature? Combining flexoelectricity and functional grading to enable high-temperature elect

Submitted by rmbarki on
research
thin film
piezoelectric
dielectric
Flexoelectricity
ferroelectric
Curie Temperature

Most technologically relevant ferroelectrics typically lose piezoelectricity above the Curie temperature. This limits their use to relatively low temperatures. In this Letter, exploiting a combination of flexoelectricity and simple functional grading, we propose a strategy for high-temperature electromechanical coupling in a standard thin film configuration.

Phononic crystal with adaptive connectivity: A new approach to 'smart' materials

Submitted by AndreaBergamini on
research
piezoelectric
Adaptive
mechanical metamaterials

In recent times, mechanical metamaterials and a phononic crystals have attracted the attention of some groups, as they allow to exploit on a larger scale phenomena known from solid state physics, such as the creation of band gaps at certain frequencies. The peculiarity of metamaterials is that their effective properties emerge from the periodic geometric organization of their unit cells rather than from the constituting bulk materials. Furthermore, metamaterials can be built in any size, ranging from the nanometer to the meter scale, and out of any material to suit different needs.

ERROR in ABAQUS

Submitted by mahyar on
piezoelectric
ABAQUS
error

Hi colleague

 does anybody know, what is this strange error :   Error in connection to analysis

i am trying to model fracture mechanics on piezoelecteric material, when i select the piezoelectric as a familiy in mesh part, then when runing the model, i recieve this error. if anybody knows how to fix it please help me.thanks 

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