scholarly journals Numerical Analysis of Roll Deflection for Sendzimir Mill

2008 ◽  
Vol 130 (1) ◽  
Author(s):  
H. L. Yu ◽  
X. H. Liu ◽  
G. T. Lee ◽  
X. W. Li ◽  
H. D. Park
Keyword(s):  
Finite Element Method ◽  
Finite Element ◽  
Contact Length ◽  
The Finite Element Method ◽  
Relative Coordinates ◽  
New Type ◽  
Function Expression ◽  
Sendzimir Mill ◽  
Contact Element Method ◽  
Element Method

The present work introduces a new type of numerical analyzing method: the contact element method with two relative coordinates (CEM). The main characteristic of the procedure is elements meshing on the basis of the contact length between objects and that each element has two relative coordinates. The ordinary expression of this procedure is DX[CXY(i)]=DY[CYX(i)]. Through this method, the CEM function of the 20-high Sendzimir mill and the deflection function expression of every roll are obtained. A computational software SM4SM for the Sendzimir mill has been developed, by which the deflection condition of rolls S, O, I, and A can be obviously seen. The results obtained by CEM have also been compared to that by the finite element method.

Design and shape optimization of a new type of hollow concrete masonry block using the finite element method

2011 ◽  
Vol 33 (1) ◽  
pp. 1-9 ◽  
Author(s):  
J.J. del Coz Díaz ◽  
P.J. García Nieto ◽  
F.P. Álvarez Rabanal ◽  
A. Lozano Martínez-Luengas
Keyword(s):  
Finite Element Method ◽  
Finite Element ◽  
Shape Optimization ◽  
The Finite Element Method ◽  
Concrete Masonry ◽  
New Type ◽  
Element Method

scholarly journals A Novel Drive Option for Piezoelectric Ultrasonic Transducers

2011 ◽  
Vol 2011 ◽  
pp. 1-6 ◽  
Author(s):  
Diana Engelke ◽  
Bernd Oehme ◽  
Jens Strackeljan
Keyword(s):  
Finite Element Method ◽  
Finite Element ◽  
Piezoelectric Ceramic ◽  
Ultrasonic Transducers ◽  
The Finite Element Method ◽  
Vibration Behavior ◽  
New Type ◽  
Dental Applications ◽  
Element Method

This paper concentrates on ultrasonic transducers, which are driven by piezoelectric ceramic rings that are arranged in a stack. A novel drive option, where the stack contains a new type of divided piezoelectric rings, is analyzed using the finite element method, prototyped, and tested. To gain a better sense of the vibration behavior, the studies focus initially on one ring and subsequently on the different possibilities to assemble the transducer. The investigations point out that natural bending frequencies can be excited at the transducer. Thus, multiple vibration directions of the tip can be controlled, what can be advantageous for instance in dental applications.

Simulation of tuning graphene plasmonic behaviors by ferroelectric domains for self-driven infrared photodetector applications

Nanoscale ◽  
2019 ◽  
Vol 11 (43) ◽  
pp. 20868-20875 ◽  
Author(s):  
Junxiong Guo ◽  
Yu Liu ◽  
Yuan Lin ◽  
Yu Tian ◽  
Jinxing Zhang ◽  
...  
Keyword(s):  
Finite Element Method ◽  
Finite Element ◽  
Interfacial Effect ◽  
Infrared Photodetector ◽  
The Finite Element Method ◽  
Ferroelectric Domains ◽  
Element Method

We propose a graphene plasmonic infrared photodetector tuned by ferroelectric domains and investigate the interfacial effect using the finite element method.

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