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Keywords: elastoplasticity
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Journal Articles
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
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
Article Type: Research Papers
J. Appl. Mech. March 2010, 77(2): 021014.
Published Online: December 14, 2009
...-plastic regime, such as stick-slip problems, and also for metals and alloys with low or moderate yield stress. 13 01 2009 02 06 2009 14 12 2009 14 12 2009 alloys elasticity elastoplasticity finite element analysis friction high-temperature effects integral equations...
Journal Articles
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
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
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
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
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
Article Type: Research Papers
J. Appl. Mech. March 2008, 75(2): 021021.
Published Online: February 27, 2008
... investigated. 16 04 2007 11 06 2007 27 02 2008 elastoplasticity fast Fourier transforms mechanical contact plastic deformation rolling friction shear modulus sliding friction stress-strain relations vibrations The wear experiment reported in ( 1 ) of a copper pin sliding...
Journal Articles
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
Article Type: Research Papers
J. Appl. Mech. January 2008, 75(1): 011022.
Published Online: February 15, 2008
... wavy surface and an engineering rough surface in order to examine its capability of evaluating the elasto-plastic contact behaviors of nominally flat surfaces. 04 12 2006 14 05 2007 15 02 2008 elastoplasticity fast Fourier transforms mechanical contact numerical analysis...
Journal Articles
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
Article Type: Technical Briefs
J. Appl. Mech. September 2007, 74(5): 1046–1048.
Published Online: November 21, 2006
... elastoplasticity cracks integral equations For a homogeneous elastic material, Rice ( 1 ) introduced the path-independent J contour integral and derived it as the (potential) energy release rate G defined by 1 G = − d Π d a where Π is the potential energy...
Journal Articles
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
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
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
Article Type: Technical Papers
J. Appl. Mech. January 2007, 74(1): 100–106.
Published Online: December 9, 2005
... the interfacial shear strength in each micro-contact is coupled with its flash temperature and related to the lubricant/surface physical-chemical behavior. 27 06 2005 09 12 2005 elastoplasticity sliding friction mechanical contact shear strength finite element analysis deformation...
Journal Articles
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
Article Type: Article
J. Appl. Mech. March 2005, 72(2): 276–281.
Published Online: March 15, 2005
..., and will be accepted until four months after final publication in the paper itself in the ASME JOURNAL OF APPLIED MECHANICS . 23 February 2004 11 August 2004 15 03 2005 aluminium polymer foams bifurcation yield stress elastoplasticity impact strength elastic constants Polymeric...
Journal Articles
Article Type: Technical Briefs
J. Appl. Mech. September 2005, 72(5): 803–806.
Published Online: February 18, 2005
... within the plastic range. Caps’ shallowness parameter, λ , varied from 3.5 to 5.5, and radius-to-thickness ratio varied from 300 to 1800. 14 09 2004 18 02 2005 carbon steel buckling elasticity elastoplasticity Buckling of spherical caps subjected to uniform and static...