scholarly journals Elastic-plastic simulation of plate with a blunt slit subjected to uni-axial tension

2007 ◽  
Author(s):  
S. Ohtaki ◽  
S. Kobayashi ◽  
T. Yamamoto
Keyword(s):  
Elastic Plastic ◽  
Axial Tension

scholarly journals Study of the Nanomechanics of CNTs under Tension by Molecular Dynamics Simulation Using Different Potentials

2014 ◽  
Vol 2014 ◽  
pp. 1-18 ◽  
Author(s):  
S. K. Deb Nath ◽  
Sung-Gaun Kim
Keyword(s):  
Bond Order ◽  
High Strain ◽  
Order Term ◽  
Dynamics Simulation ◽  
Strain Rates ◽  
Plastic Properties ◽  
Elastic Plastic ◽  
Empirical Potentials ◽  
Axial Tension ◽  
Rebo Potential

At four different strain rates, the tensile stress strain relationship of single-walled 12-12 CNT with aspect ratio 9.1 obtained by Rebo potential (Brenner, 1990), Airebo potential (Stuart et al., 2000), and Tersoff potential (Tersoff, 1988) is compared with that of Belytschko et al. (2002) to validate the present model. Five different empirical potentials such as Rebo potential (Brenner, 1990), Rebo potential (Brenner et al., 2002), Inclusion LJ with Rebo potential (Brenner, 1990), Airebo potential (Stuart et al., 2000), and Tersoff potential (Tersoff, 1988) are used to simulate CNT subjected to axial tension differing its geometry at high strain rate. In Rebo potential (Mashreghi and Moshksar, 2010) only bond-order term is used and in Rebo potential (Brenner et al., 2002) torsional term is included with the bond-order term. At high strain rate the obtained stress strain relationships of CNTs subjected to axial tension differing its geometries using five different potentials are compared with the published results and from the comparison of the results, the drawback of the published results and limitations of different potentials are evaluated and the appropriate potential is selected which is the best among all other potentials to study the elastic, elastic-plastic properties of different types of CNTs. The present study will help a new direction to get reliable elastic, elastic-plastic properties of CNTs at different strain rates. Effects of long range Van der Waals interaction and torsion affect the elastic, elastic-plastic properties of CNTs and why these two effects are really needed to consider in bond-order Rebo potential (Brenner, 1990) to get reliable elastic, elastic-plastic properties of CNTs is also discussed. Effects of length-to-diameter ratio, layering of CNTs, and different empirical potentials on the elastic, elastic-plastic properties of CNTs are discussed in graphical and tabular forms with published results as a comparative manner to understand the nanomechanics of CNTs under tension using molecular dynamics simulation.

scholarly journals Elastic-plastic modeling of metallic strands and wire ropes under axial tension and torsion loads

2017 ◽  
Vol 129 ◽  
pp. 103-118 ◽  
Author(s):  
L. Xiang ◽  
H.Y. Wang ◽  
Y. Chen ◽  
Y.J. Guan ◽  
L.H. Dai
Keyword(s):  
Wire Ropes ◽  
Elastic Plastic ◽  
Axial Tension

scholarly journals Elastic-Plastic Endochronic Constitutive Model of 0Crl7Ni4Cu4Nb Stainless Steels

2016 ◽  
Vol 2016 ◽  
pp. 1-6 ◽  
Author(s):  
Jinquan Guo ◽  
Lianping Wu ◽  
Xiaoxiang Yang ◽  
Shuncong Zhong
Keyword(s):  
Stainless Steel ◽  
Constitutive Model ◽  
Stress And Strain ◽  
Mechanical Behaviors ◽  
Endochronic Theory ◽  
Elastic Plastic ◽  
Axial Tension ◽  
Tension And Compression ◽  
Asymmetric Stress ◽  
Good Agreement

We presented an elastic-plastic endochronic constitutive model of 0Crl7Ni4Cu4Nb stainless steel based on the plastic endochronic theory (which does not need the yield surface) and experimental stress-strain curves. The key feature of the model is that it can precisely describe the relation of stress and strain under various loading histories, including uniaxial tension, cyclic loading-unloading, cyclic asymmetric-stress axial tension and compression, and cyclic asymmetric-stress axial tension and compression. The effects of both mean stress and amplitude of stress on hysteresis loop based on the elastic-plastic endochronic constitutive model were investigated. Compared with the experimental and calculated results, it is demonstrated that there was a good agreement between the model and the experiments. Therefore, the elastic-plastic endochronic constitutive model provides a method for the accurate prediction of mechanical behaviors of 0Crl7Ni4Cu4Nb stainless steel subjected to various loadings.

115 Elastic-plastic Analysis of Plate with a Flat Hole under Uni-axial Tension : Photoelastic Coating Experiment

2000 ◽  
Vol 2000.40 (0) ◽  
pp. 30-31
Author(s):  
Seiichi OHTAKI ◽  
Akinobu KURIMURA ◽  
Hiroshi KASAYAMA ◽  
Shin KOBAYASHI
Keyword(s):  
Elastic Plastic ◽  
Axial Tension ◽  
Photoelastic Coating ◽  
Plastic Analysis

Elasto-plastic state of curve beam system subjected to complex loading

1996 ◽  
Vol 18 (4) ◽  
pp. 14-22
Author(s):  
Vu Khac Bay
Keyword(s):  
Cylindrical Shell ◽  
Solution Method ◽  
Complex Loading ◽  
Numerical Results ◽  
Elastic Solution ◽  
Plastic State ◽  
Curve Beam ◽  
Elastic State ◽  
Elastic Plastic ◽  
Beam System

Investigation of the elastic state of curve beam system had been considered in [3]. In this paper the elastic-plastic state of curve beam system in the form of cylindrical shell is analyzed by the elastic solution method. Numerical results of the problem and conclusion are given.

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