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Keywords: elastoplasticity
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Journal Articles
Journal:
Journal of Applied Mechanics
Article Type: Research Papers
J. Appl. Mech. January 2012, 79(1): 011005.
Published Online: November 14, 2011
...-deflection behavior involves both bending and torsional elastoplastic deformations of the pipe, phenomena which have not been previously studied in the context of the dynamic problem of pipe whip. Initially, neglecting ovalization and local collapse (kinking), the bent pipe is modeled as a beam, using...
Journal Articles
Modeling of Dynamically Loaded Open-Cell Metallic Foams: Yielding, Collapse, and Strain Rate Effects
Journal:
Journal of Applied Mechanics
Article Type: Research Papers
J. Appl. Mech. May 2010, 77(3): 031002.
Published Online: January 26, 2010
... at cell level while maintaining the history of plastic deformation at ligament level. First, the phenomenological elastoplastic constitutive behavior of the ligaments composing the unit cell is modeled. Then, using the constitutive ligament model, the effective unit cell response is obtained from...
Journal Articles
Journal:
Journal of Applied Mechanics
Article Type: Research Papers
J. Appl. Mech. March 2010, 77(2): 021014.
Published Online: December 14, 2009
... for Elastoplastic Rough Contact ,” Comput. Model. Eng. Sci. 1526-1492 , 3 , pp. 497 – 506 . Boucly , V. , Nélias , D. , Liu , S. , Wang , Q. J. , and Keer , L. M. , 2005 , “ Contact Analyses for Bodies With Frictional Heating and Plastic Behavior ,” ASME J. Tribol. 0742-4787...
Journal Articles
Journal:
Journal of Applied Mechanics
Article Type: Research Papers
J. Appl. Mech. November 2009, 76(6): 061010.
Published Online: July 23, 2009
...Yanchen Du; Shulin Wang Elastoplastic deformation occurs widely in engineering impact. Although many empirical solutions of elastoplastic impact between two spheres have been obtained, the analytical solution, verified by means of other methods, to the impact model has not been put forward...
Journal Articles
Journal:
Journal of Applied Mechanics
Article Type: Research Papers
J. Appl. Mech. May 2009, 76(3): 031016.
Published Online: March 13, 2009
...Jehuda Tirosh; Sharon Peles The intention of this study is to predict the fatigue-safe long life behavior of elastoplastic porous materials subjected to zero-tension fluctuating load. It is assumed that the materials contain a dilute amount of voids (less than 5%) and obey Gurson’s model of plastic...
Journal Articles
Journal:
Journal of Applied Mechanics
Article Type: Research Papers
J. Appl. Mech. January 2009, 76(1): 011009.
Published Online: November 5, 2008
... models: a mesh overlay technique, whose basic idea is to create a different FE model for each material definition (fractional derivative viscoelastic and elastoplastic), all with identical meshes but with different material definition, and sharing the same nodes. Fractional-derivative viscoelasticity...
Journal Articles
Journal:
Journal of Applied Mechanics
Article Type: Research Papers
J. Appl. Mech. November 2008, 75(6): 061021.
Published Online: August 22, 2008
... for nanoindenter calibration have been used to verify the theoretical results. 22 01 2008 30 06 2008 22 08 2008 calibration elastoplasticity finite element analysis friction indentation mechanical testing micromechanics plastic deformation The advent of instrumented...
Journal Articles
Journal:
Journal of Applied Mechanics
Article Type: Research Papers
J. Appl. Mech. May 2008, 75(3): 031009.
Published Online: April 8, 2008
... interaction. An ensemble-volume averaging technique is conducted to obtain the overall elastoplastic constitutive behavior for amorphous nanocomposites with randomly distributed spherical nanoparticles. Explicit expressions of the effective elastic stiffness and yield function in terms of the constituent...
Journal Articles
Journal:
Journal of Applied Mechanics
Article Type: Research Papers
J. Appl. Mech. March 2008, 75(2): 021021.
Published Online: February 27, 2008
... ) the yield strength modeled by the isotropic law. Fotiu and Nemat-Nasser ( 24 ) developed a universal integration algorithm for constitutive equations of elastoplasticity, including isotropic and kinematic hardening, as well as thermal softening. The method seems to be unconditionally stable...
Journal Articles
Journal:
Journal of Applied Mechanics
Article Type: Research Papers
J. Appl. Mech. March 2008, 75(2): 021006.
Published Online: February 20, 2008
... and the sleeve, assuming the sleeve is elastic and the specimen is elastoplastic with a Drucker–Prager plasticity model. The first part of the paper briefly explains the experimental technique and how the stress-strain curves obtained during the test are interpreted. A simple and straightforward approach...
Journal Articles
Journal:
Journal of Applied Mechanics
Article Type: Research Papers
J. Appl. Mech. January 2008, 75(1): 011022.
Published Online: February 15, 2008
... be perturbed by surface irregularities and internal eigenstrains (such as plastic strain). The contact stress field information provides the foundation for the investigation of many surface-related phenomena, such as roll-contact fatigue ( 1 ), crack propagation ( 2 ), and wear ( 3 ). elastoplasticity...
Journal Articles
Journal:
Journal of Applied Mechanics
Article Type: Discussions
J. Appl. Mech. September 2007, 74(5): 1057.
Published Online: March 20, 2007
...Izhak Etsion 06 01 2007 20 03 2007 sliding friction elastoplasticity slip adhesion shear strength The authors presented a model for sliding inception that is essentially based on the 1949 Mindlin approach (see Ref. 1 ) for frictional contact with extension to elastic...
Journal Articles
Journal:
Journal of Applied Mechanics
Article Type: Technical Briefs
J. Appl. Mech. September 2007, 74(5): 1046–1048.
Published Online: November 21, 2006
... Compositions ,” Int. J. Solids Struct. 0020-7683 10.1016/S0020-7683(96)00225-9 , 34 , pp. 3415 – 3432 . elastoplasticity cracks integral equations For a homogeneous elastic material, Rice ( 1 ) introduced the path-independent J contour integral and derived it as the (potential...
Journal Articles
Journal:
Journal of Applied Mechanics
Article Type: Technical Papers
J. Appl. Mech. November 2006, 73(6): 1026–1030.
Published Online: April 6, 2006
... in the coordinates of Mohr. The results in this work demonstrate the capability of thermodynamically consistent gradient-dependent elastoplastic model formulations to suppress the localized failure modes of the classical plasticity that take place when the hardening/softening modulus H ¯ equals the critical value...
Journal Articles
Journal:
Journal of Applied Mechanics
Article Type: Technical Papers
J. Appl. Mech. November 2006, 73(6): 1039–1044.
Published Online: April 6, 2006
...Ricardo Schiava; Guillermo Etse In this work an elastoplastic constitutive theory for unsaturated soils is presented. The proposed material model is formulated in the general framework of the theory of porous media and of the flow theory of plasticity. The model is based on an extension of the well...
Journal Articles
Journal:
Journal of Applied Mechanics
Article Type: Technical Papers
J. Appl. Mech. November 2006, 73(6): 901–910.
Published Online: March 27, 2006
... are orthotropic and elastoplastic. Basic assumptions of the proposed model and the resulting equations are first presented in the paper. The numerical algorithm developed for the implementation in a three-dimensional (3D) finite element nonlinear program is also described. The paper is completed with application...
Journal Articles
Journal:
Journal of Applied Mechanics
Article Type: Technical Papers
J. Appl. Mech. January 2007, 74(1): 100–106.
Published Online: December 9, 2005
... a few percent if the friction coefficient is in the 0.06–0.07 range. 27 06 2005 09 12 2005 elastoplasticity sliding friction mechanical contact shear strength finite element analysis deformation Levinson et al. ( 1 ) have carried out an experimental study to evaluate...
Journal Articles
Journal:
Journal of Applied Mechanics
Article Type: Additional Technical Papers
J. Appl. Mech. January 2006, 73(1): 143–152.
Published Online: May 12, 2005
... deformation elastoplasticity The contact between two rough surfaces has a strong influence on the phenomena of friction, wear, and lubrication, as well as on the conduction of heat and electricity. In general, the structure of most surfaces appears to be random on a small scale. Statistical...
Journal Articles
Journal:
Journal of Applied Mechanics
Article Type: Article
J. Appl. Mech. March 2005, 72(2): 276–281.
Published Online: March 15, 2005
... 03 2005 aluminium polymer foams bifurcation yield stress elastoplasticity impact strength elastic constants Polymeric foams are frequently used as core materials in load bearing sandwich structures. Many of the requirements of a sandwich core can be better fulfilled using a core...
Journal Articles
Journal:
Journal of Applied Mechanics
Article Type: Technical Briefs
J. Appl. Mech. September 2005, 72(5): 803–806.
Published Online: February 18, 2005
... spherical caps’ static stability around λ = 4.0 . The base diameter of tested caps is about 176 mm, i.e., much larger than reported in Ref. 4 . carbon steel buckling elasticity elastoplasticity 14 09 2004 18 02 2005 2005 American Society of Mechanical Engineers ...
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