scholarly journals DISCUSSION. THE FINITE ELEMENT METHOD FOR FLEXURE OF SLABS WHEN STRESS DISTRIBUTIONS ARE ASSUMED.

1966 ◽  
Vol 35 (4) ◽  
pp. 701-705
Author(s):  
R T SEVERN ◽  
P R TAYLOR ◽  
I M SMITH ◽  
R G TICKELL
Keyword(s):  
Finite Element Method ◽  
Finite Element ◽  
Stress Distributions ◽  
The Finite Element Method ◽  
Element Method

Analyses of Axisymmetric Upsetting and Plane-Strain Side-Pressing of Solid Cylinders by the Finite Element Method

1971 ◽  
Vol 93 (2) ◽  
pp. 445-454 ◽  
Author(s):  
C. H. Lee ◽  
Shiro Kobayashi
Keyword(s):  
Finite Element Method ◽  
Finite Element ◽  
Plastic Zone ◽  
Plane Strain ◽  
Deformation Characteristics ◽  
Stress Distributions ◽  
The Finite Element Method ◽  
Percent Reduction ◽  
Zone Development ◽  
Element Method

Detailed studies of the deformation characteristics in axisymmetric upsetting and plane-strain side-pressing were attempted by the finite element method. Solutions were obtained up to a 33 percent reduction in height in axisymmetric upsetting and up to a 19 percent reduction in height in side-pressing, under conditions of complete sticking at the tool-workpiece interface. Load-displacement curves, plastic zone development, and strain and stress distributions were presented, and some of the computed solutions were compared with those found experimentally.

Finite Element Stress Analysis of the Crowns of Normal and Restored Teeth

1976 ◽  
Vol 55 (6) ◽  
pp. 1004-1011 ◽  
Author(s):  
A.L. Yettram ◽  
K.W.J. Wright ◽  
H.M. Pickard
Keyword(s):  
Finite Element Method ◽  
Finite Element ◽  
Stress Analysis ◽  
Two Dimensional ◽  
Stress Distributions ◽  
The Finite Element Method ◽  
Relative Stiffness ◽  
Finite Element Stress Analysis ◽  
Element Method ◽  
Finite Element Stress

Stress distributions are Presented for a normal and a restored mandibular second premolar under masticatory-type forces. These were obtained using the finite element method of stress analysis aPPlied to two-dimensional models. The effect of the relative stiffness of the materials is examined in each instance.

Optimum Gradation Direction for a Functionally Graded Endodontic Prefabricated Parallel Post: A Finite Element Method

2015 ◽  
Vol 24 ◽  
pp. 56-69 ◽  
Author(s):  
Wasim M.K. Helal ◽  
Dong Yan Shi
Keyword(s):  
Finite Element Method ◽  
Finite Element ◽  
Optimization Technique ◽  
Functionally Graded ◽  
Sigmoid Function ◽  
Stress Distributions ◽  
The Finite Element Method ◽  
Graded Material ◽  
Optimum Material ◽  
Element Method

The main purpose of the present work is to determine the optimum gradation direction of an endodontic prefabricated parallel post (EPPP) made of functionally graded material (FGM). To determine the optimum gradation direction of an EPPP made of FGM, the finite element method (FEM) is used. After that, the optimization technique was adopted in order to determine the optimum material gradient for the functionally graded endodontic prefabricated parallel post (FGEPPP). Simulation results indicated that, the optimum gradation direction for the FGEPPP is from up to down, and can be described by using a modified sigmoid function. The effect of varying of the material gradient indexes on the performance of the (FGEPPP) is investigated. Also, stress distributions in all of FGEPPP cases and in homogeneous EPPP case are investigated. The current investigation shows that, the use of the FGM improves the performance of an EPPP.

Using the Finite Element Method to Determine Temperature Distributions in Orthogonal Machining

1974 ◽  
Vol 188 (1) ◽  
pp. 627-638 ◽  
Author(s):  
A. O. Tay ◽  
M. G. Stevenson ◽  
G. De Vahl Davis
Keyword(s):  
Finite Element Method ◽  
Finite Element ◽  
Flow Stress ◽  
Strain Rate ◽  
Stress Distributions ◽  
The Finite Element Method ◽  
Orthogonal Machining ◽  
Temperature Distributions ◽  
Actual Shape ◽  
Element Method

Temperature distributions for typical cases of orthogonal machining with a continuous chip were obtained numerically by solving the steady two-dimensional energy equation using the finite element method. The distribution of heat sources in both the primary and secondary zones was calculated from the strain-rate and flow stress distributions. Strain, strain-rate and velocity distributions were calculated from deformed grid patterns obtained from quick-stop experiments. Flow stress was considered as a function of strain, strain-rate and temperature. The chip, workpiece and tool (actual shape and size) were treated as one system and material properties such as density, specific heat and thermal conductivity were considered as functions of temperature.

Residual Stress Prediction for High Speed Machining

2012 ◽  
Vol 249-250 ◽  
pp. 332-336 ◽  
Author(s):  
S.Y. Lin ◽  
S.H. Cheng
Keyword(s):  
Finite Element Method ◽  
Residual Stress ◽  
Finite Element ◽  
High Speed ◽  
High Speed Machining ◽  
Stress Distributions ◽  
The Finite Element Method ◽  
Machined Surface ◽  
Stress Prediction ◽  
Element Method

This paper presents a residual stress prediction model for high-speed machining using the finite element method in conjunction with neural network. The finite element method is utilized to simulate a chip formation process, which is constituted step by step from the workpiece removal process under the conditions of high-speed machining. The residual stress distributions underneath the machined surface of the workpiece are determined subsequently. The artificial neural network is in turn applied to synthesize the data calculated from the finite element method and a prediction model for residual stress distributions within the machined subsurface of the workpiece is thus constructed. The model can predict the residual stress distributions at different locations beneath the machined surface of the workpiece for various workpiece materials under different combinations of cutting conditions such as cutting speed, feed rate, rake angle and edge radius of the tool more effectively.

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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