scholarly journals Thermoelastic damping in flexural vibration of bilayered microbeams with circular cross-section

2020 ◽  
Vol 77 ◽  
pp. 1129-1147 ◽  
Author(s):  
Yuming Fang ◽  
Pu Li ◽  
Hongyue Zhou ◽  
Wanli Zuo
Keyword(s):  
Cross Section ◽  
Circular Cross Section ◽  
Flexural Vibration ◽  
Thermoelastic Damping

scholarly journals Determination of the modulus of elasticity using a Smartphone and mode of unsupport beam Euler-Bernoulli

2021 ◽  
Author(s):  
Newton Huamaní Castro
Keyword(s):  
Quality Control ◽  
Cross Section ◽  
Circular Cross Section ◽  
Audio Signal ◽  
Flexural Vibration ◽  
Impact Excitation ◽  
Experimental Measurements ◽  
Precision And Accuracy ◽  
The Impact

This paper presents the simplified and quick way to obtain an experimental measure of the modulus of elasticity(E) of a piece of metal rod using the Smartphone microphone and through the experimental configuration in mode of unsupport beam Euler-Bernoulli(E-B). To understand it, it is required to have knowledge about flexural vibration of E-B beams and to know the analysis of the spectogram of the audio signal. The methodology consists in measuring the flexural resonance frequency through an app installed on a Smartphone and using the E formula deduced from the E-B theoretical framework. The results of the experimental measurements have a discrepancy of less than 5% with respect to the factory value, for a carbon steel rod with circular cross section using the impact excitation technique. It describes the precision and accuracy of the experimental measurement. It is useful, because it helps to classify the materials in the Faculty of Engineering and it helps to make a more efficient quality control.

Thermoelastic damping in microrings with circular cross-section

2016 ◽  
Vol 361 ◽  
pp. 341-354 ◽  
Author(s):  
Pu Li ◽  
Yuming Fang ◽  
Jianrun Zhang
Keyword(s):  
Cross Section ◽  
Circular Cross Section ◽  
Thermoelastic Damping

SAF file: It's really three dimensional file

2018 ◽  
Vol 14 (1) ◽  
pp. 1
Author(s):  
Prof. Dr. Jamal Aziz Mehdi
Keyword(s):  
Cross Section ◽  
Root Canal ◽  
Three Dimensional ◽  
Circular Cross Section ◽  
Circular Motion ◽  
Root Canal Treatment ◽  
Metal Core ◽  
Rotating Blade

The biological objectives of root canal treatment have not changed over the recentdecades, but the methods to attain these goals have been greatly modified. Theintroduction of NiTi rotary files represents a major leap in the development ofendodontic instruments, with a wide variety of sophisticated instruments presentlyavailable (1, 2).Whatever their modification or improvement, all of these instruments have onething in common: they consist of a metal core with some type of rotating blade thatmachines the canal with a circular motion using flutes to carry the dentin chips anddebris coronally. Consequently, all rotary NiTi files will machine the root canal to acylindrical bore with a circular cross-section if the clinician applies them in a strictboring manner

Sign in / Sign up

Export Citation Format

Share Document