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Artículos de revistas sobre el tema "Elasto-Visco-Plastic behavior"

Autor: Grafiati
Publicado: 12 de octubre de 2024
Última modificación: 31 de julio de 2025

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1

Ewoldt, Randy H., and Gareth H. McKinley. "Mapping thixo-elasto-visco-plastic behavior." Rheologica Acta 56, no. 3 (2017): 195–210. http://dx.doi.org/10.1007/s00397-017-1001-8.

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2

Wan, Lin Hui, Ping Cao, Yong Heng Huang, Yi Xian Wang, and Xiang Yang Zhang. "Creep Test of Hard Rock and Modified Generalized Kelvin Creep Model." Applied Mechanics and Materials 90-93 (September 2011): 626–32. http://dx.doi.org/10.4028/www.scientific.net/amm.90-93.626.

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By a circular increment step load and unload method, a set of rheological experiments were performed to study the creep properties of amphibolite and the deformation data of instantaneous elasticity, instantaneous plasticity, viscoplasticity and viscoelasticity could be obtained. The results showed that: the creep threshold of amphibolite(σs1) was 25.46MPa; whenσs1s2, the proportion of plastic deformation in the total deformation was very small and the value of creep deformation always tended to a stable value; whenσ>σs2, the rock samples failed rapidly and had no obvious creep. According t
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3

Ju, J. W., and Tsung-Muh Chen. "Micromechanics and Effective Elastoplastic Behavior of Two-Phase Metal Matrix Composites." Journal of Engineering Materials and Technology 116, no. 3 (1994): 310–18. http://dx.doi.org/10.1115/1.2904293.

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A micromechanical framework is presented to predict effective (overall) elasto-(visco-)plastic behavior of two-phase particle-reinforced metal matrix composites (PRMMC). In particular, the inclusion phase (particle) is assumed to be elastic and the matrix material is elasto-(visco-)plastic. Emanating from Ju and Chen’s (1994a,b) work on effective elastic properties of composites containing many randomly dispersed inhomogeneities, effective elastoplastic deformations and responses of PRMMC are estimated by means of the “effective yield criterion” derived micromechanically by considering effects
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4

Jeong, Youngung, and Carlos N. Tomé. "Extension of the visco-plastic self-consistent model to account for elasto-visco-plastic behavior using a perturbed visco-plastic approach." Modelling and Simulation in Materials Science and Engineering 27, no. 8 (2019): 085013. http://dx.doi.org/10.1088/1361-651x/ab4b66.

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5

Milašinović, Dragan D. "Rheological–dynamical analogy: visco-elasto-plastic behavior of metallic bars." International Journal of Solids and Structures 41, no. 16-17 (2004): 4599–634. http://dx.doi.org/10.1016/j.ijsolstr.2004.02.061.

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6

Liu, Sheng, Tong Liu, Bang Zhe Liu, and Zi Chao Dong. "Numerical Simulation of Creep Deformation for Large Section Tunnel in Soil with Visco-Elastic-Plastic FEM." Advanced Materials Research 368-373 (October 2011): 2500–2503. http://dx.doi.org/10.4028/www.scientific.net/amr.368-373.2500.

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In order to reasonably analyze the influence of rheological properties on the soil deformation behavior of tunnel in soil, this paper establishes visco-elastic-plastic numerical calculation model for analysis of tunnel in soil deformation based on ANSYS software by relying on physical construction. The results show that creep deformation accounts for 24% of total deformation of the tunnel, so it is necessary to make visco-elasto-plastic analysis on tunnel in soil. If the numerical simulation results are basically the same with the trend of temporal curve of measured data, and the data obtained
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7

Slouf, Miroslav, Milos Steinhart, Pavel Nemecek, Veronika Gajdosova, and Jiri Hodan. "Correlations between Microscale Indentation Creep and Macroscale Tensile Creep of Polymers." Materials 16, no. 2 (2023): 834. http://dx.doi.org/10.3390/ma16020834.

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We compared the results of various microscale indentation creep (microcreep) measurements with macroscale tensile creep (macrocreep) measurements of three common polymers: high-density polyethylene (PE), polypropylene (PP), and polystyrene (PS). The main objective was to verify if the short-term microcreep experiments could predict long-term macrocreep behavior of the selected polymers, whose properties ranged from very soft and ductile (PE) to very hard and brittle (PS). The second objective was to compare several creep predictive schemes: the empirical power law model (PL) and several types
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8

Wang, Xingkai, Leibo Song, Caichu Xia, Guansheng Han, and Zheming Zhu. "Nonlinear Elasto-Visco-Plastic Creep Behavior and New Creep Damage Model of Dolomitic Limestone Subjected to Cyclic Incremental Loading and Unloading." Sustainability 13, no. 22 (2021): 12376. http://dx.doi.org/10.3390/su132212376.

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For many rock engineering projects, the stress of surrounding rocks is constantly increasing and decreasing during excavating progress and the long-term operation stage. Herein, the triaxial creep behavior of dolomitic limestone subjected to cyclic incremental loading and unloading was probed using an advanced rock mechanics testing system (i.e., MTS815.04). Then, the instantaneous elastic strain, instantaneous plastic strain, visco-elastic strain, and visco-plastic strain components were separated from the total strain curve, and evolutions of these different types of strain with deviatoric s
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9

Estrada-Royval, Ignacio-Alberto, and Alberto Díaz-Díaz. "Post-curing process and visco-elasto-plastic behavior of two structural adhesives." International Journal of Adhesion and Adhesives 61 (September 2015): 99–111. http://dx.doi.org/10.1016/j.ijadhadh.2015.06.001.

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10

Pipard, Jean Marc, Tudor Balan, Farid Abed-Meraim, and Xavier Lemoine. "Physically-Motivated Elasto-Visco-Plastic Model for the Large Strain-Rate Behavior of Steels." Key Engineering Materials 554-557 (June 2013): 1164–73. http://dx.doi.org/10.4028/www.scientific.net/kem.554-557.1164.

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A physically based elasto-visco-plastic constitutive model is presented and compared to experimental results for three different mild steels. The experiments consist of tensile tests at strain rates up to 103 s-1 and reverse shear tests. The model requires significantly fewer material parameters compared to other visco-plasticity models from the literature while exhibiting very good accuracy. Accordingly, the parameter identification is simple and intuitive, requiring a relatively small set of experiments. The strain-rate sensitivity modeling is not restricted to a particular hardening law and
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11

Drescher, Andrew, Niki Kringos, and Tom Scarpas. "On the behavior of a parallel elasto-visco-plastic model for asphaltic materials." Mechanics of Materials 42, no. 2 (2010): 109–17. http://dx.doi.org/10.1016/j.mechmat.2009.10.005.

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12

OOTA, Nikita, and Yasuyuki KATO. "Visco-elasto-plastic Behavior of Catheter Generated under Single Stage Step Shear Strain." Proceedings of The Computational Mechanics Conference 2019.32 (2019): 205. http://dx.doi.org/10.1299/jsmecmd.2019.32.205.

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13

Lee, Chi Seung, Myung Hyun Kim, Min Sung Chun, Tak Kee Lee, and Jae Myung Lee. "Fatigue Damage Model for Numerical Assessment of Fatigue Characteristics." Materials Science Forum 580-582 (June 2008): 663–66. http://dx.doi.org/10.4028/www.scientific.net/msf.580-582.663.

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The aim of this study is the development of a numerical technique applicable for the fatigue assessment based on the damage mechanics approach. The generalized elasto-visco-plastic constitutive equation, which can consider the internal damage evolution behavior, is developed in order to numerically evaluate the material fatigue responses. Explicit information of the relationships between the mechanical properties and material constants, which are required for the mechanical constitutive and damage evolution equations, are derived. The performance of the developed technique has been verified us
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14

Tomé, Carlos. "Simulation of Metal Forming using Elasto-visco-plastic Crystal Plasticity Modeling." Resúmenes de Mecánica Computacional 1, no. 3 (2024): 33. https://doi.org/10.70567/rmc.v1i3.148.

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As computational capabilities increase, simulations play an increasingly relevant role in the design of forming operations and the prediction of mechanical response of metallic alloys under diverse conditions. Such approach is sound – and reduces the extent of experimental characterization - provided that the constitutive laws being used reliably describe the mechanical response of the material. Crystal plasticity models - as opposed to empirical continuum laws - are arguably the most advanced tool for such a task because they are based on the elastic, thermal and plastic mechanisms at the lev
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15

KASAI, Kazuhiko, Yuiti WATANABE, and Nao MINATO. "STUDY ON DYNAMIC BEHAVIOR OF A PASSIVE CONTROL SYSTEM WITH VISCO-ELASTO-PLASTIC DAMPER." Journal of Structural and Construction Engineering (Transactions of AIJ) 70, no. 588 (2005): 87–94. http://dx.doi.org/10.3130/aijs.70.87_1.

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16

Nagrani, Pranay P., Ritwik V. Kulkarni, Parth U. Kelkar, et al. "Data-driven rheological characterization of stress buildup and relaxation in thermal greases." Journal of Rheology 67, no. 6 (2023): 1129–40. http://dx.doi.org/10.1122/8.0000679.

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Thermal greases, often used as thermal interface materials, are complex paste-like mixtures composed of a base polymer in which dense metallic (or ceramic) filler particles are dispersed to improve the heat transfer properties of the material. They have complex rheological properties that impact the performance of the thermal interface material over its lifetime. We perform rheological experiments on thermal greases and observe both stress relaxation and stress buildup regimes. This time-dependent rheological behavior of such complex fluid-like materials is not captured by steady shear-thinnin
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17

KASAI, Kazuhiko, Michihiko TERAMOTO, and Yuichi WATANABE. "BEHAVIOR OF A PASSIVE CONTROL DAMPER COMBINING VISCO-ELASTIC AND ELASTO-PLASTIC DEVICES IN SERIES." Journal of Structural and Construction Engineering (Transactions of AIJ) 67, no. 556 (2002): 51–58. http://dx.doi.org/10.3130/aijs.67.51_1.

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18

Gui, Zhong-xiang, Xiao Hu, and Zi-jian Wang. "An elasto-visco-plastic constitutive model of polypropylene incorporating craze damage behavior and its validation." Journal of Central South University 24, no. 6 (2017): 1263–68. http://dx.doi.org/10.1007/s11771-017-3530-9.

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19

Tabourot, Laurent, Pascale Balland, Jonathan Raujol-Veillé, Mathieu Vautrot, Christophe Déprés, and Franck Toussaint. "Compartmentalized Model for the Mechanical Behavior of Titanium." Key Engineering Materials 504-506 (February 2012): 673–78. http://dx.doi.org/10.4028/www.scientific.net/kem.504-506.673.

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As close as you watch them, the materials (especially metals) present discontinuities that can easily be qualified as strong. Dislocations, structures formed by these dislocations, phases and grains are all discontinuities, also sources of heterogeneity, with effects on material behavior that are not really well reproduced by a model based on a continuity assessment. Consequently, the materials should be considered as a set of compartments with different behaviors. This promotes an alternative way to define models. A coherent modeling process is probably the integration of the different behavi
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20

Savard, Antoine, and Bruno Tremblay. "On the sensitivity of sea ice deformation statistics to plastic damage." Cryosphere 18, no. 4 (2024): 2017–34. http://dx.doi.org/10.5194/tc-18-2017-2024.

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Abstract. We implement a plastic damage parametrization, distinct from the elastic damage in the elasto-brittle framework, in the standard viscous–plastic (VP) sea ice model to disentangle its effect from resolved model physics (visco-plastic with and without damage) on its ability to reproduce observed scaling laws of deformation. To this end, we compare scaling properties and multifractality of simulated divergence and shear strain rate, as proposed in the Sea Ice Rheology Experiment (SIREx) studies, with those derived from the RADARSAT Geophysical Processor System (RGPS). Results show that
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21

Rondón Quintana, Hugo Alexander, Carlos Alfonso Zafra, and Fredy Reyes. "RUTTING IN ASPHALT MIXTURES – A REVIEW." Revista Ingenierías Universidad de Medellín 22, no. 43 (2024): 1–26. http://dx.doi.org/10.22395/rium.v22n43a3.

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Vehicles that pass over a pavement structure induce load and unload cycles that generate recoverable (resilient) and permanent (plastic) deformations within layers. Pavement has been developing studies since the decade of the 60´s with the purpose of attempting to understand the visco-elasto-plastic behavior of asphalt mixtures. This has the purpose of evaluating and understanding how the main damage mechanisms that are sought to be controlled in flexible pavement design methods are generated. One of the main damage mechanisms for these types of pavements is rutting. Based on the reviewed lite
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22

Frija, Mounir, Raouf Fathallah, and T. Hassine. "Finite Element Prediction of Laser Shock Peened Surface Modifications in Ti-6Al-4V Alloy." Key Engineering Materials 417-418 (October 2009): 853–56. http://dx.doi.org/10.4028/www.scientific.net/kem.417-418.853.

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This paper presents a numerical simulation of the Laser Shock Peening process (LSP) using finite element method. The majority of the controlling parameters of the process have been taken into account. The laser loading has been characterised by using a repetitive time Gaussian increment pressure applied uniformly at circular impacted zone. The behavior of the subjected material is supposed to be elasto-visco-plastic coupled with damage using the Johnson Cook law with his shear failure model. The proposed model leads to obtain the surface inducing modifications, which are classified in this work
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23

Takamura, Masato, Shigeru Nishimura, and Hideyuki Sunaga. "Investigation on Effect of Slide Motion Control on Stamping of High Strength Steel Sheets." Key Engineering Materials 554-557 (June 2013): 1331–37. http://dx.doi.org/10.4028/www.scientific.net/kem.554-557.1331.

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High strength steel sheets are increasingly used in automotive body parts with the aim of weight reduction, but their use urgently requires further improvement in sheet forming technology to overcome difficulties such as poor formability, dimensional inaccuracy, etc. On the other hand, servo press facilities are becoming increasingly used in industry and many attempts are being made to bring out their characteristic features for enhancing the formability of high strength steel sheets. Although some of these attempts have been successful in finding the advantages of servo presses for improving
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24

Weeger, Oliver, Dominik Schillinger, and Ralf Müller. "Mixed isogeometric collocation for geometrically exact 3D beams with elasto-visco-plastic material behavior and softening effects." Computer Methods in Applied Mechanics and Engineering 399 (September 2022): 115456. http://dx.doi.org/10.1016/j.cma.2022.115456.

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25

Behbahani, H., H. Ziari, and N. Kamboozia. "Evaluation of the visco-elasto-plastic behavior of glasphalt mixtures through generalized and classic Burger’s models modification." Construction and Building Materials 118 (August 2016): 36–42. http://dx.doi.org/10.1016/j.conbuildmat.2016.04.157.

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26

Hirsekorn, Martin, Frank Petitjean, and Arnaud Deramecourt. "A continuous threshold model for the visco-elasto-plastic behavior of PET based multi-layer polymeric films." Mechanics of Time-Dependent Materials 14, no. 1 (2009): 25–45. http://dx.doi.org/10.1007/s11043-009-9091-z.

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27

Shakhov, Sergey, and Nikita Nikolaev. "Management of structural and mechanical properties of moulding compound using mineral additives." MATEC Web of Conferences 239 (2018): 04022. http://dx.doi.org/10.1051/matecconf/201823904022.

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The purpose of work: the choice of the rational composition of the batch mixture, which improves the molding properties of the silt loams in the production of wall ceramics by the method of plastic molding. In the course of the study, the fraction-size distribution and morphological features of the fractions were analyzed on a photometric sedimentometer FSX-6K and by optical microscopy. Determination of the plastic strength of elasto-visco-plastic systems was carried out by Rehbinder’s conical plastometer. The values of fast and slow elastic and plastic deformations were determined on an insta
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28

Giannokostas, Konstantinos, Pantelis Moschopoulos, Stylianos Varchanis, Yannis Dimakopoulos, and John Tsamopoulos. "Advanced Constitutive Modeling of the Thixotropic Elasto-Visco-Plastic Behavior of Blood: Description of the Model and Rheological Predictions." Materials 13, no. 18 (2020): 4184. http://dx.doi.org/10.3390/ma13184184.

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This work focuses on the advanced modeling of the thixotropic nature of blood, coupled with an elasto-visco-plastic formulation by invoking a consistent and validated model for TEVP materials. The proposed model has been verified for the adequate description of the rheological behavior of suspensions, introducing a scalar variable that describes dynamically the level of internal microstructure of rouleaux at any instance, capturing accurately the aggregation and disaggregation mechanisms of the RBCs. Also, a non-linear fitting is adopted for the definition of the model’s parameters on limited
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29

Giannokostas, Konstantinos, Yannis Dimakopoulos, Andreas Anayiotos, and John Tsamopoulos. "Advanced Constitutive Modeling of the Thixotropic Elasto-Visco-Plastic Behavior of Blood: Steady-State Blood Flow in Microtubes." Materials 14, no. 2 (2021): 367. http://dx.doi.org/10.3390/ma14020367.

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The present work focuses on the in-silico investigation of the steady-state blood flow in straight microtubes, incorporating advanced constitutive modeling for human blood and blood plasma. The blood constitutive model accounts for the interplay between thixotropy and elasto-visco-plasticity via a scalar variable that describes the level of the local blood structure at any instance. The constitutive model is enhanced by the non-Newtonian modeling of the plasma phase, which features bulk viscoelasticity. Incorporating microcirculation phenomena such as the cell-free layer (CFL) formation or the
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30

SUGAWARA, Kazumasa, Kento SUZUKI, Kazuma OGAWA, Ryoma TANAKA, and Masayuki NAGANO. "MECHANICAL BEHAVIOR AND SIMPLIFIED MODELING METHOD OF TIMBER FRAME STRUCTURES WITH VISCO-ELASTIC DAMPER AND ELASTO-PLASTIC MEMBER." AIJ Journal of Technology and Design 26, no. 63 (2020): 531–36. http://dx.doi.org/10.3130/aijt.26.531.

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31

Li, Xinzhou, Aimin Sha, Wenxiu Jiao, Yangsen Cao, and Ruimeng Song. "Strain response and creep behavior of asphalt mixture based on multi-damage fractional visco-elasto-plastic constitutive model." Construction and Building Materials 472 (April 2025): 140834. https://doi.org/10.1016/j.conbuildmat.2025.140834.

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32

Siddiquee, Mohammed Saiful Alam, and Amin Hamdi. "A Time-Dependent Double Hardening Model for Soft Rock." Advances in Civil Engineering 2019 (October 7, 2019): 1–18. http://dx.doi.org/10.1155/2019/2927178.

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The time-dependent behavior of soft rock is very important in tunnel construction through soft rock. There is always a chance of creep failure due to sustained loading along the crest of the tunnel. In this research, a three-component elasto-visco-plastic framework is used to develop a time-dependent double hardening model to predict the behavior of soft rock both in compression and shear. Due to the limitation of time-dependent single yield hardening model in predicting the behavior of soft rock in compression direction (volumetric deformation) of loading, another time-dependent yield surface
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33

Alil, Luminita-Cristina, Michel Arrigoni, Cristian Barbu, et al. "Mechanical Properties of Ultra-high Molecular Weight Polyethylene (tensylon�) from Tensile Tests." Materiale Plastice 59, no. 1 (2022): 51–69. http://dx.doi.org/10.37358/mp.22.1.5559.

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Results on mechanical properties of Tensylon� composites at room temperature are presented. Single-ply and two-ply samples, obtained from the ply-precursor sheet (of two orthogonal layers) have been subjected to: load till failure in traction, at different strain rates (below 10-1 s-1) and cycles of successive loading and unloading and 5 min stress relaxation period. The characteristic times of relaxation are evaluated and the difference in values of Young modulus before and after the relaxation stage is established. A complex cyclic/relaxation test requires a visco-elasto-plastic model of Ten
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34

Signoret, Charles, Anne-Sophie Caro-Bretelle, José-Marie Lopez-Cuesta, Patrick Ienny, and Didier Perrin. "Impact of PP Impurities on ABS Tensile Properties: Computational Mechanical Modelling Aspects." Polymers 13, no. 10 (2021): 1647. http://dx.doi.org/10.3390/polym13101647.

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Recycling of plastics is hindered by their important variety and strong incompatibility. However, sorting technologies bear costs and meet limits. Very high purities (<2 wt%) are difficult to reach. Yet, such rates may be detrimental to functional properties. In this work, an ABS matrix (major plastic in Waste of Electrical and Electronic Equipments) was filled with 4 wt% of PP to mimic impurities in ABS after recycling. PP-g-MA was introduced in the blend to improve the compatibility. A finite element model was developed from the mechanical behavior of each component. ABS and PP were indiv
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35

Avril, Stéphane, Fabrice Pierron, Michael A. Sutton, and Junhui Yan. "Identification of elasto-visco-plastic parameters and characterization of Lüders behavior using digital image correlation and the virtual fields method." Mechanics of Materials 40, no. 9 (2008): 729–42. http://dx.doi.org/10.1016/j.mechmat.2008.03.007.

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36

Créac'hcadec, R., and J. Y. Cognard. "2-D Modeling of the Behavior of an Adhesive in an Assembly Using a Non-Associated Elasto-Visco-Plastic Model." Journal of Adhesion 85, no. 4-5 (2009): 239–60. http://dx.doi.org/10.1080/00218460902881790.

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37

Hou, Rongbin, Qingzhe Cui, Yingying Guo, Yanke Shi, and Jinwei Fu. "A new elasto-visco-plastic damage model and numerical simulation method used for time-dependent behavior prediction of deep tunnel." Computers and Geotechnics 168 (April 2024): 106129. http://dx.doi.org/10.1016/j.compgeo.2024.106129.

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38

Boudet, Julien, François Auslender, Michel Bornert, and Yuri Lapusta. "An incremental variational formulation for the prediction of the effective work-hardening behavior and field statistics of elasto-(visco)plastic composites." International Journal of Solids and Structures 83 (April 2016): 90–113. http://dx.doi.org/10.1016/j.ijsolstr.2016.01.003.

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39

Lee, Jae Myung, Jeom Kee Paik, Myung Hyun Kim, and Yutaka Toi. "Development of Damage Assessment Method for Steel Structures Using Material-Structure Coupling Analysis." Key Engineering Materials 297-300 (November 2005): 122–27. http://dx.doi.org/10.4028/www.scientific.net/kem.297-300.122.

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Once assessment of material failure characteristics is captured precisely in a unified way, it can be directly incorporated to the structural failure assessment under various loading environments, based on the theoretical backgrounds so called Local Approach to Fracture. The aim of this study is the development of an expert system applicable for the assessment of structural integrity throughout crack initiation and structural failure based on the Local Approach to Fracture. The generalized elasto-visco-plastic constitutive equation, which can consider the internal damage evolution behavior, wa
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40

Lesueur, Martin, Thomas Poulet, and Manolis Veveakis. "Fault reactivation during fluid production, modelled as a multi-physics multi-scale instability." E3S Web of Conferences 205 (2020): 03002. http://dx.doi.org/10.1051/e3sconf/202020503002.

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During fluid production in carbonate reservoir rock under high Pressure and Temperature conditions, the production-enhanced shear-heating of a creeping fault can lead to a thermal run-away. The reactivation of the fault is then accompanied with a large increase of permeability (by orders of magnitude) due to the dissolution of the rock. As a detrimental consequence for the industry, pressure equilibrates between the two compartments of the reservoir delimited by an initially sealing fault. To model such behavior, we present a three-scale framework implementing a THMC fault reactivation model.
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41

Armstrong, Matthew, Erin Milner, Chi Nguyen, Trevor Corrigan, and Yu-Fan Lee. "Visualizing and exploring nonlinear behavior, timescales, and mechanical signatures of human blood." Biorheology 58, no. 1-2 (2021): 1–26. http://dx.doi.org/10.3233/bir-201007.

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BACKGROUND: Human blood is a thixo-elasto-visco-plastic (TEVP) material that exhibits unique fluctuations in mechanical properties based on physiology, and shear rate. We demonstrate new visual tools to help visualize and characterize these varied mechanical properties. OBJECTIVE: Our objective is to demonstrate contemporary visual and numerical tools to help visualize and characterize the varied mechanical properties of human blood. METHODS: Using the ARESG2 strain-controlled rheometer with double wall couette geometry and eight human blood donors, with lab test results, elastic and viscous p
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42

Frenelus, Wadslin, and Hui Peng. "Evaluating the Time-Dependent Behavior of Deeply Buried Tunnels in Soft Rock Environments and Relevant Measures Guaranteeing Their Long-Term Stability." Applied Sciences 13, no. 18 (2023): 10542. http://dx.doi.org/10.3390/app131810542.

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The time-dependent behavior and long-term stability of deep-buried tunnels in soft rocks have received lots of considerations in tunnel engineering and allied sciences. To better explore and deepen the engineering application of rock creep, extensive research studies are still needed, although fruitful outcomes have already been obtained in many related investigations. In this article, the Weilai Tunnel in China’s Guangxi province is studied, taking its host rocks as the main research object. In fact, aiming at forecasting the time-varying deformation of this tunnel, a novel elasto-visco-plast
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43

Gribov, D. S., and P. V. Trusov. "The Tree-Level Viscoelastic Model: Analysis of the Influence of the Packing Defect Energy to the Response of Materials under Complex Loading." PNRPU Mechanics Bulletin, no. 4 (December 15, 2020): 60–73. http://dx.doi.org/10.15593/perm.mech/2020.4.06.

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The development of new and improvement of existing modes of thermomechanical treatment of metals and alloys in present conditions is impossible without development of appropriate mathematical models, that allow determining material characteristics during technological processes. Constitutive equations are the core, the main components that determine the quality of such models. Macrophenomenological theories of plasticity relying on processing the results of experiments on macrosamples, have become widespread as such in solving applied problems of solid mechanics. Taking into account the need t
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Lehner, Kerstin, Anna Kalteis, and Zoltan Major. "MODELLING AND SIMULATION OF LATTICE STRUCTURES USING VARIOUS MATERIAL MODELS FOR POLYMERIC MATERIALS." Acta Polytechnica CTU Proceedings 18 (October 23, 2018): 48. http://dx.doi.org/10.14311/app.2018.18.0048.

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Based on lightweight design concepts, lattices are increasingly considered as internal structures. This work deals with the simulation of periodically constructed lattices to characterize their behaviour under different loadings considering various material models. A thermo-mechanical analysis was done, which is resulting in negative CLTE-values (Coefficient of Linear Thermal Expansion). Simulations with linear-elastic behaviour were evaluated regarding the tensile, compression and shear modulus and the Poisson’s ratio. Some of the investigated structures behave auxetic. Beside the linear elas
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45

Bles, G., W. K. Nowacki, and A. Tourabi. "Experimental study of the cyclic visco-elasto-plastic behaviour of a polyamide fibre strap." International Journal of Solids and Structures 46, no. 13 (2009): 2693–705. http://dx.doi.org/10.1016/j.ijsolstr.2009.02.015.

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46

Chen, Bao, Xuan Cang Wang, and Ke Mu. "Mechanical Response of Longitudinal Slope Segments Based on Burgers Model." Advanced Materials Research 243-249 (May 2011): 4172–77. http://dx.doi.org/10.4028/www.scientific.net/amr.243-249.4172.

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Asphalt Pavement was damaged more seriously in longitudinal Gradient than common segment because of its special load bearing conditions. This paper establishes a 3D Visco-elasto-plastic Finite Element to analyses the stress respond of pavement structure, calculating the discipline of stress behaviors under different gradient. Burgers model was used to study the factors which can influence on tracking, for example longitudinal Gradient, speeds and frequency of axle load. Result of calculation show that the maximum shear stress grows as the gradient increases. Rutting of pavement was small befor
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47

Park, Jinhwa, and Youngung Jeong. "Prediction and Validation of Stress Triaxiality Assisted by Elasto-Visco-Plastic Polycrystal Model." Korean Journal of Metals and Materials 60, no. 8 (2022): 607–18. http://dx.doi.org/10.3365/kjmm.2022.60.8.607.

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The ΔEVPSC numerical code based on the elasto-visco-plastic HEM (Homogeneous Effective Medium) provides a multiscale constitutive modeling framework that is suitable for describing a wide range of mechanical behaviors of polycrystalline metals. In this study, an AA6061-T6 aluminum sample was chosen to validate the predictive capability of the ΔEVPSC stand-alone (ΔEVPSC-SA) code on stress triaxiality and its evolution until fracture. The model parameters were calibrated by fitting the uniaxial flow stress-strain curve, and the initial crystallographic orientation distribution (COD) was obtained
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48

Raggi, Francesco, and Luis Altarejos-García. "A Visco-Elasto-Plastic Constitutive Law for Deformation Prediction of High Concrete Face Rockfill Dams." Applied Sciences 14, no. 22 (2024): 10535. http://dx.doi.org/10.3390/app142210535.

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Deformation predictions in high Concrete Face Rockfill Dams tend to underestimate observed settlements due to scale effect and breakage phenomena that cannot be adequately captured by laboratory tests. This paper presents a Visco-Elasto-Perfectly Plastic (VEPP) model for predicting deformations in high Concrete Face Rockfill Dams (CFRDs) that addresses these challenges incorporating explicitly key rockfill parameters like grain size and post-compaction porosity, which influence both the non-linear elastic and plastic behaviors of rockfill. The VEPP model enables deformation prediction while us
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49

Spangenberg, Jon, Wilson Ricardo Leal da Silva, Raphaël Comminal, Md Tusher Mollah, Thomas Juul Andersen, and Henrik Stang. "Numerical simulation of multi-layer 3D concrete printing." RILEM Technical Letters 6 (October 8, 2021): 119–23. http://dx.doi.org/10.21809/rilemtechlett.2021.142.

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This paper presents a computational fluid dynamics model fit for multi-layer 3D Concrete Printing. The numerical model utilizes an elasto-visco-plastic constitutive model to mimic the flow behaviour of the cementitious material. To validate the model, simulation data is compared to experimental data from 3D printed walls. The obtained results show that the numerical model can reproduce the experimental results with high accuracy and quantify the extrusion load imposed upon the layers. Such load is found to exceed the material’s yields stress in certain regions of previously printed layers, lea
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50

Marzec, Ireneusz, Jacek Tejchman, and Andrzej Winnicki. "Computational simulations of concrete behaviour under dynamic conditions using elasto-visco-plastic model with non-local softening." Computers and Concrete 15, no. 4 (2015): 515–45. http://dx.doi.org/10.12989/cac.2015.15.4.515.

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