A quite successful kind of constitutive relationships are elasto-viscoplastic (EVP) models derived from the overstress formulation of , where total strains are decomposed in an elastic and a elasto viscoplastic behavior of the(plate) AN ELASTO-VISCOPLASTIC CONSTITUTIVE MODEL WITH (steel) In the present paper, we have proposed an elasto-viscoplastic model for soft rocks that can describe both strain softening and time dependent behavior based on the elasto-viscoplastic model for frozen sand (Adachi et al., 1990, 1992). In addition, the proposed model(plate) An elasto-viscoplastic model for soft clay(steel) Schematic behavior of the elasto-viscoplastic Modified Cam-Clay model during CA U triaxial compression and triaxial creep tests. Finite element analysis. The basic finite element scheme with an elasto-viscoplastic model is similar to those presented by Oka and Adachi 1986 and Hinchberger 1996.
A numerical analysis of the swelling behavior of bentonite is presented using an elasto-viscoplastic theory. It is an extension of an elasto-viscoplastic model for unsaturated soil, which can describe the behavior of macrostructures, such as change of suction, pore pressure and degree of saturation.(plate) Author Feng. Zhang, Atsushi Yashima, Guan Lin Ye, Hla. Aung, Kiyokazu Naitou, Teruo NakaiPublish Year 2006Elasto-viscoplastic tensile behavior of as-forged Ti-1023 elasto viscoplastic behavior of the(steel) Jun 10, 2020The effective Young's modulus drops down to 65.3 GPa, the elasto-viscoplastic transition is sharper and the flow stress at a given strain is lower compared to the random texture. The effect of the texture on the effective elasto-viscoplastic behavior is less noticeable macroscopically since the volume fraction is low (15%).(plate) Author Mohamed Ben Bettaieb, Thibaut Van Hoof, Thomas Pardoen, Philippe Dufour, Astrid Lenain, Pascal J. Ja elasto viscoplastic behavior of thePublish Year 2014Constitutive modeling the elasto-viscoplastic behavior of elasto viscoplastic behavior of the(steel) Constitutive modeling the elasto-viscoplastic behavior of Regina clay soil under the drained stress path condition Yiwei Luo A Thesis In The Department Of Building, Civil, and Environmental Engineering Presented in Partial Fulfillment of the Requirements For the Degree of Master of Applied Science (Geotechnical Engineering) at Concordia University
The purpose of this paper is to present the development of an elasto-viscoplastic model for normally consolidated clay. A three dimensional constitutive equation was derived based on the framework of Perzyna's overstress theory and Modified Cam-Clay model.(plate) Author Yilin ZhuPublish Year 2018Elasto-Viscoplastic Behavior of Soft Sedimentary Rock elasto viscoplastic behavior of the(steel) Elasto-Viscoplastic Behavior of Soft Sedimentary Rock, Tests and Its Modeling elasto viscoplastic behavior of the An Elasto-Viscoplastic Model for Soft Clay. Soil and Rock Behavior and Modeling April 2012 . Show more Show less Authors. Feng. Zhang, M.ASCE. Professor, Department of Civil Engineering, Nagoya Institute of Technology, Showa-ku, Gokiso-cho, Nagoya, 466-8555, Japan(plate) Cited by 12Publish Year 2006Author Laurent Bucher, Pierre-Olivier Santacreu, Alain Köster, L. RemyAn elasto-viscoplastic model to describe the ratcheting elasto viscoplastic behavior of the(steel) An elasto-viscoplastic model to describe the ratcheting behavior of articular cartilage Biomech Model Mechanobiol . 2018 Dec;17(6):1875-1883. doi 10.1007/s10237-018-1062-3.
Abstract In order to predict the thermomechanical fatigue (TMF) damage of stainless steel parts submitted to thermal loading, the elasto-viscoplastic behavior has to be described accurately in a wide range of temperature, strain, and strain rate levels.(plate) Cited by 2Publish Year 2020Author Safaa Lhadi, Ravi raj purohit Purushottam raj purohit, Ravi raj purohit Purushottam raj purohit, Thi elasto viscoplastic behavior of theMicromechanical Modeling of the Elasto-Viscoplastic elasto viscoplastic behavior of the(steel) Jul 17, 2018However, the way that its elastic anisotropy impacts the mechanical behavior remains an open question. In the present work, an advanced elasto-viscoplastic self-consistent model is used to investigate the tensile behavior at different applied strain rates of a (plate) Cited by 37Publish Year 2007Author Fahmi Zaïri, Moussa Naït-Abdelaziz, Krzysztof Woznica, Jean-Michel Gloaguenof the behavior élasto- (visco) - plastic 2009(steel) 2.2 élasto-visco- available the behaviors élasto - viscoplastic available are Élasto-visco-plasticity with isotropic hardening LEMAITRE cf [R5.03.08] Integration of viscoelastic behavior models VISC_ENDO_LEMA, VENDOCHAB cf [R5.03.15] Behavior viscoplastic with damage of CHABOCHE HAYHURST cf [R5.03.13] Behavior
élasto-viscoplastic cubic polycrystalline material behavior with centered faces. It is about a model with great number of variables intern which allows, thanks to (plate) Cited by 3Publish Year 2006Author Zhenyu Yin, Pierre Yves Hicher, Yvon Riou, Hong-Wei HuangSimplified Deformation Analysis of Clay Foundation (steel) Elasto-Viscoplastic Model Proposed by Sekiguchi and Ohta The constitutive equations used in this present study is the model which can explain the elemental mechanical behavior of soil considering the initial anisotropic stress(plate) Cited by 4Publish Year 2019Author S. M. Mirkhalaf, S. M. Mirkhalaf, M. FagerströmMatous' Group Homepage(steel) The relationship between the behavior at the meso- and macroscales was discussed, and an incrementally linearized form of the macroscopic constitutive relations was derived. The proposed multiscale formulation is shown to be effective in modeling elasto-viscoplastic behavior and texture evolution in a polycrystalline materials subject to finite elasto viscoplastic behavior of the
On the elasto-viscoplastic behavior of the Ti5553 alloy Mohamed Ben Bettaieba,n, Thibaut Van Hoofb, Thomas Pardoend, Philippe Dufourd, Astrid Lenaine, Pascal J. Jacquesd, Anne Marie Habrakena,c a Department ArGEnCo, Division MS2F, University of Liège, Chemin des Chevreuils 1, 4000 Liège, Belgium b CENAERO Centre de Recherches en Aéronautique, Bâtiment Eole, Rue des Frères (plate) Cited by 6Publish Year 2011Author Bassem Ali, Marwan Sadek, Isam ShahrourAn elasto-viscoplastic interface model for investigating elasto viscoplastic behavior of the(steel) An elasto-viscoplastic interface model for investigating the constitutive behavior of nacre. H. Tang, F. Barthelat, H. D. Espinosa * * Corresponding author for this work. Mechanical Engineering; Research output Contribution to journal Article peer-review. 68 Scopus citations.(plate) Cited by 6Publish Year 2018Author Y. Yuan, A. J. Whittle(PDF) A critical overview of elasto-viscoplastic elasto viscoplastic behavior of the(steel) It is well known that this issue plays a major role in the description of the mechanical behavior of the type of materials of interest in this text 8,11], and neglecting this fact is expected to lead to unphysical predictions.To illustrate this, let us imagine an elasto-viscoplastic thixotropic material that is
The creep behavior is one of the most important topics on the stability analysis of rock mass in underground engineering. In order to characterize the creep deformation of clayey rock more accurately, this study proposes a nonlinear elastoviscoplastic (EVP) model based on a new yield surface and a modified MohrCoulomb (MC) flow potential.(plate) Cited by 91Publish Year 2007Author H. Tang, F. Barthelat, H. D. EspinosaMultiscale modeling of plasticity based on embedding (steel) plastic behavior is used to provide a texture-sensitive constitutive response of each mate-rial point, within a boundary problem solved with nite elements (FE) at the macroscale. The resulting constitutive behavior is that of an elasto-viscoplastic material, implemented in the implicit FE code ABAQUS.(plate) Elasto-viscoplastic Finite Element Analysis of the Long elasto viscoplastic behavior of the(steel) (2008). Elasto-viscoplastic Finite Element Analysis of the Long-term Behavior of Flexible Pavements. Road Materials and Pavement Design Vol. 9, No. 3, pp. 463-479.
Jan 25, 2006In this study, a modelization of the viscoplastic behavior of amorphous polymers is proposed, from an approach originally developed for metal behavior at high temperature, in which state variable constitutive equations have been modified.(plate) Elasto-viscoplastic self consistent modeling of the elasto viscoplastic behavior of the(steel) This paper presents a novel elasto-viscoplastic formulation for describing the time-dependent compression behaviour of clays. The formulation incorporates a novel flow rule that attributes viscoplastic strain rate to an internal state variable representing the perturbation of the clay particle assembly due to historical straining.(plate) Extension of the visco-plastic self-consistent model to elasto viscoplastic behavior of the(steel) Oct 18, 2019In the proposed elasto-viscoplastic self-consistent polycrystal model VPSC+, the perturbing strain rate was introduced into the visco-plastic inclusion problem (section 2.3). The VPSC+ approach assumes that can be expressed as an incremental derivative, which introduces a stress-dependent and a stress-independent eigenstrain rate in the local elasto viscoplastic behavior of the
The elastic behavior of each phase and, im-portantly, the interplay between the elasto-viscoplastic behavior of each phase governs the observed nonlinear unloading behavior and the hysteresis observed during load unloadreload cycles in semi-crystalline polymers. The interplay between the elasto-viscoplastic behavior of the amorphous and crys-(plate) Reduced order variational multiscale enrichment method (steel) VME formulation for inelastic mechanical problems with elasto-viscoplastic material behavior. Section 4 illustrates the implementation strategy of the ROVME methodology. Section 5 presents the numerical veri cation studies including global-local response and assessment of computation e ciency.(plate) Some results are removed in response to a notice of local law requirement. For more information, please see here.
Sep 26, 2019PLA samples showed the typical behavior of polymeric materials, i.e. initially elastic regime, yield and post-yield softening. Also, the rate dependency of the stressstrain curves was clearly seen in the experimental results (see the experimental results in Sect. 4.1).Hence, in this study, an elasto-viscoplastic model, developed by Mirkhalaf et al. to predict the mechanical behavior of elasto viscoplastic behavior of the(plate) Time dependent behavior of CO2 hydrate-bearing (steel) Especially, time dependent CO behavior was focused on and a series of undrained triaxial tests were conducted using high pressure and low temperature triaxial apparatus. In addition, an elasto-viscoplastic model considering the effect of hydrate saturation is adopted to reproduce the test results. Undrained creep tests for CO. 2(plate)Elasto Viscoplastic Behavior of the Ferritic Stainless elasto viscoplastic behavior of the(steel) Abstract In order to predict the thermomechanical fatigue (TMF) damage of stainless steel parts submitted to thermal loading, the elasto-viscoplastic behavior has to be described accurately in a wide range of temperature, strain, and strain rate levels.
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