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Journal articles on the topic 'Viscoelastic continuum damage model'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Weitsman, Y. "A Continuum Damage Model for Viscoelastic Materials." Journal of Applied Mechanics 55, no. 4 (1988): 773–80. http://dx.doi.org/10.1115/1.3173721.

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This paper presents a continuum damage model for viscoelastic materials. “Damage” is expressed by two symmetric, second rank tensors which are related to the total areas of “active” and “passive” microcracks within a representative volume element of the multifractured material. Viscoelasticity is introduced through scalar valued internal state variables that represent the internal degrees-of-freedom associated with the motions of long chain polymeric molecules. The constitutive relations are established from basic considerations of continuum mechanics and irreversible thermodynamics, with deta

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2

Kassem, Hussein, Ghassan Chehab, and Shadi Najjar. "Development of Probabilistic Viscoelastic Continuum Damage Model for Asphalt Concrete." Transportation Research Record: Journal of the Transportation Research Board 2673, no. 5 (2019): 285–98. http://dx.doi.org/10.1177/0361198119838980.

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The main objective of this paper is to develop a realistic probabilistic framework for characterization of different types of asphalt concrete using advanced material modeling. The adopted methodology builds on and enhances a viscoelastic continuum damage (VECD) material model by utilizing a suite of associated experimental testing protocols and incorporating the uncertainties associated with the different material properties. The modeled uncertainties address the variabilities and errors associated with the linear viscoelastic (LVE) functions achieved from the complex modulus test and damage

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3

Underwood, B. Shane, Y. Richard Kim, and Murthy N. Guddati. "Improved calculation method of damage parameter in viscoelastic continuum damage model." International Journal of Pavement Engineering 11, no. 6 (2010): 459–76. http://dx.doi.org/10.1080/10298430903398088.

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4

Lee, Hyun-Jong, and Y. Richard Kim. "Viscoelastic Continuum Damage Model of Asphalt Concrete with Healing." Journal of Engineering Mechanics 124, no. 11 (1998): 1224–32. http://dx.doi.org/10.1061/(asce)0733-9399(1998)124:11(1224).

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5

Kumar, Rajesh S., and Ramesh Talreja. "A continuum damage model for linear viscoelastic composite materials." Mechanics of Materials 35, no. 3-6 (2003): 463–80. http://dx.doi.org/10.1016/s0167-6636(02)00265-x.

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6

Chen, Yijun, Mostafa E. Mobasher, Tao You, and Haim Waisman. "Non-local continuum damage model for poro-viscoelastic porous media." International Journal of Rock Mechanics and Mining Sciences 159 (November 2022): 105212. http://dx.doi.org/10.1016/j.ijrmms.2022.105212.

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7

Sullivan, R. W. "Development of a viscoelastic continuum damage model for cyclic loading." Mechanics of Time-Dependent Materials 12, no. 4 (2008): 329–42. http://dx.doi.org/10.1007/s11043-008-9069-2.

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8

Ning, Jian Guo, Lin Shang, and Yuanxiang Sun. "A Viscoelastic Continuum Damage Model for Reinforced Concrete Subjected to Shock Loading." Key Engineering Materials 306-308 (March 2006): 309–14. http://dx.doi.org/10.4028/www.scientific.net/kem.306-308.309.

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In this paper, we analyze a RVE of concrete reinforced (RC) with steel reinforcing bar in two vertical directions on basis of the thoughts of composite material and propose that in the ideal case the constitutive equation of reinforce concrete is declared to multiply the viscoelastic constitutive equation of concrete by a reinforcing multiplier G , which is depended on material characters and arrange mode of steel reinforcing bar. In the model, we draw the growing damage law on the assumption that damage only occur in the concrete. Subsequently, we obtain the damage viscoelastic constitutive e

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9

Lee, Kangjin, Cassie Castorena, and Y. Richard Kim. "Improving the Reliability of Damage Characteristic Curves in the Simplified Viscoelastic Continuum Damage Model." Transportation Research Record: Journal of the Transportation Research Board 2672, no. 28 (2018): 493–502. http://dx.doi.org/10.1177/0361198118797808.

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One of the major advantages of the cyclic fatigue test (AASHTO TP 107) is that the results can be used to calibrate the Simplified Viscoelastic Continuum Damage (S-VECD) model, which is used for mechanistic pavement performance predictions. The crux of the S-VECD model is the damage characteristic curve, which has been shown to be independent of mode of loading, loading history, and temperature. Consequently, a model can be fitted to the damage characteristic curve and used to predict the damage response for any given loading history of interest using limited test results. AASHTO TP 107 curren

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10

Sun, X., and M. A. Khaleel. "Effects of different design parameters on the stone-impact resistance of automotive windshields." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 219, no. 9 (2005): 1059–67. http://dx.doi.org/10.1243/095440705x34784.

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A constitutive model based on continuum damage mechanics is used to study the stone-impact resistance of automotive windshields. An axisymmetric finite element model is created to simulate the transient dynamic response and impact-induced damage tensors for laminated glass layers subject to stone-impact loading. The windshield glass consists of two glass outer layers laminated by a thin poly(vinyl butyral) (PVB) layer. The constitutive behaviour of the glass layers is simulated using the continuum damage mechanics model with linear damage evolution. The PVB layer is modelled with a linear visc

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11

Underwood, B. Shane, Cheolmin Baek, and Y. Richard Kim. "Simplified Viscoelastic Continuum Damage Model as Platform for Asphalt Concrete Fatigue Analysis." Transportation Research Record: Journal of the Transportation Research Board 2296, no. 1 (2012): 36–45. http://dx.doi.org/10.3141/2296-04.

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12

Gudipudi, Padmini P., and B. Shane Underwood. "Reliability Analysis of Fatigue Life Prediction from the Viscoelastic Continuum Damage Model." Transportation Research Record: Journal of the Transportation Research Board 2576, no. 1 (2016): 91–99. http://dx.doi.org/10.3141/2576-10.

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13

Lee, Jong-Sub, Nelson Gibson, and Y. Richard Kim. "Use of Mechanistic Models to Investigate Fatigue Performance of Asphalt Mixtures." Transportation Research Record: Journal of the Transportation Research Board 2507, no. 1 (2015): 108–19. http://dx.doi.org/10.3141/2507-12.

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Effects of design air void contents, design voids in mineral aggregate (VMA), and in-place air voids on the fatigue performance of asphalt mixtures were investigated with mechanistic analyses based on the viscoelastic continuum damage (VECD) analyses and the mechanistic–empirical pavement analysis using the AASHTOWare Pavement ME Design program. The VECD analyses included the simplified viscoelastic continuum damage model at the material level and two structural models: ( a) layered viscoelastic analysis and ( b) layered viscoelastic pavement analysis for critical distresses. The mix design of

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14

Zeiada, Waleed A., B. Shane Underwood, Tina Pourshams, Jeffrey Stempihar, and Kamil E. Kaloush. "Comparison of conventional, polymer, and rubber asphalt mixtures using viscoelastic continuum damage model." Road Materials and Pavement Design 15, no. 3 (2014): 588–605. http://dx.doi.org/10.1080/14680629.2014.914965.

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15

de A. L. Babadopulos, Lucas F., Jorge B. Soares, Jorge Luis S. Ferreira, and Luis Alberto H. do Nascimento. "Fatigue cracking simulation of aged asphalt pavements using a viscoelastic continuum damage model." Road Materials and Pavement Design 19, no. 3 (2018): 546–60. http://dx.doi.org/10.1080/14680629.2018.1418715.

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16

Hernandez-Fernandez, Noe, B. Shane Underwood, and Alexandra Ossa-Lopez. "Simulation of the asphalt concrete stiffness degradation using simplified viscoelastic continuum damage model." International Journal of Fatigue 140 (November 2020): 105850. http://dx.doi.org/10.1016/j.ijfatigue.2020.105850.

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17

Ostrowski, Przemysław, Adam Zofka, and Krzysztof Błażejowski. "Metoda VECD jako narzędzie do oceny trwałości zmęczeniowej konstrukcji nawierzchni." Roads and Bridges - Drogi i Mosty 20, no. 2 (2021): 189–212. http://dx.doi.org/10.7409/rabdim.021.012.

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Postęp technologiczny i wprowadzenie do stosowania zaawansowanych materiałów o ponadstandardowych właściwościach, np. mieszanek mineralno-asfaltowych z lepiszczami wysokomodyfikowanymi polimerami HiMA (ang. highly modified asphalt), wymaga poszukiwania metody umożliwiającej kompleksowe uwzględnienie cech tych materiałów w obliczeniach. Jedną z takich metod może być metoda wykorzystująca model rozproszonego niszczenia w ośrodku lepkosprężystym (ang. viscoelastic continuum damage model, VECD). W artykule zaprezentowano metodologię opartą na modelu VECD oraz możliwości, jakie daje przy wymiarowan

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18

Shahsavari, Hamid, Mostafa Baghani, Reza Naghdabadi, and Saeed Sohrabpour. "A thermodynamically consistent viscoelastic–viscoplastic constitutive model for self-healing materials." Journal of Intelligent Material Systems and Structures 29, no. 6 (2017): 1065–80. http://dx.doi.org/10.1177/1045389x17730914.

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Self-healing materials, as a class of intelligent materials, are capable to recover a part of the weakened mechanical properties induced by damage. In this article, based on the thermodynamics of irreversible processes, employing the effective configuration in the continuum damage-healing mechanics, a viscoelastic–viscoplastic constitutive model is presented. In the constitutive model development, we adopt an additive decomposition of the total strain into elastic, viscoelastic, and viscoplastic parts. In this regard, defining the damage and healing variables and employing the strain energy eq

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19

MOBASHER, MOSTAFA E., RAVINDRA DUDDU, JEREMY N. BASSIS, and HAIM WAISMAN. "Modeling hydraulic fracture of glaciers using continuum damage mechanics." Journal of Glaciology 62, no. 234 (2016): 794–804. http://dx.doi.org/10.1017/jog.2016.68.

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ABSTRACTThe presence of water-filled crevasses is known to increase the penetration depth of crevasses and this has been hypothesized to play an important role controlling iceberg calving rate. Here, we develop a continuum-damage-based poro-mechanics formulation that enables the simulation of water-filled basal and surface crevasse propagation. The formulation incorporates a scalar isotropic damage variable into a Maxwell-type viscoelastic constitutive model for glacial ice, and the effect of the water pressure on fracture propagation using the concept of effective solid stress. We illustrate

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20

Kutay, M. Emin, and Mike Lanotte. "Viscoelastic continuum damage (VECD) models for cracking problems in asphalt mixtures." International Journal of Pavement Engineering 19, no. 3 (2017): 231–42. http://dx.doi.org/10.1080/10298436.2017.1279492.

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21

Lee, Hyun, Y. Richard Kim, and Seung Lee. "Prediction of Asphalt Mix Fatigue Life with Viscoelastic Material Properties." Transportation Research Record: Journal of the Transportation Research Board 1832, no. 1 (2003): 139–47. http://dx.doi.org/10.3141/1832-17.

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A simplified fatigue model is presented that can predict the fatigue life of asphalt mixes using viscoelastic properties only. This fatigue model was originally developed with the elastic-viscoelastic correspondence principle and continuum damage mechanics and was reduced to a simple version that can predict fatigue life with viscoelastic properties only. On the basis of the experimental study conducted on 12 different types of asphalt mixes, it was observed that the fatigue behavior of asphalt mixes is affected by both the viscoelastic properties and the fatigue characteristics, but mostly by

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22

Xie, Zhaoxing, and Junan Shen. "Fatigue Performance of Rubberized Stone Matrix Asphalt by a Simplified Viscoelastic Continuum Damage Model." Journal of Materials in Civil Engineering 28, no. 4 (2016): 04015162. http://dx.doi.org/10.1061/(asce)mt.1943-5533.0001463.

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23

Xie, Zhaoxing, Junan Shen, Mathew Earnest, Bo Li, and Mike Jackson. "Fatigue Performance Evaluation of Rubberized Porous European Mixture by Simplified Viscoelastic Continuum Damage Model." Transportation Research Record: Journal of the Transportation Research Board 2506, no. 1 (2015): 90–99. http://dx.doi.org/10.3141/2506-10.

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24

Park, Sun Woo, Y. Richard Kim, and Richard A. Schapery. "A viscoelastic continuum damage model and its application to uniaxial behavior of asphalt concrete." Mechanics of Materials 24, no. 4 (1996): 241–55. http://dx.doi.org/10.1016/s0167-6636(96)00042-7.

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25

Xu, Fei, I. Arthur Jones, and Shuguang Li. "A continuum damage model for transverse cracking in UD composites of linear viscoelastic behaviour." Composite Structures 225 (October 2019): 110812. http://dx.doi.org/10.1016/j.compstruct.2019.03.084.

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26

Medeiros, Marcelo S., Jo Sias Daniel, and Ghassan R. Chehab. "Framework for Low-Temperature Cracking Analysis of Asphalt Mixtures Using a Viscoelastic Continuum Damage Model." Journal of Materials in Civil Engineering 27, no. 10 (2015): 04014265. http://dx.doi.org/10.1061/(asce)mt.1943-5533.0001215.

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27

Josyula, Siva Pavan, and Stefan Diebels. "Numerical Investigation of Fracture Behaviour of Polyurethane Adhesives under the Influence of Moisture." Polymers 16, no. 18 (2024): 2676. http://dx.doi.org/10.3390/polym16182676.

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The mechanical behaviour of polymer adhesives is influenced by the environmental conditions leading to ageing and affecting the integrity of the material. The polymer adhesives have hygroscopic behaviour and tend to absorb moisture from the environment, causing the material to swell without applying external load. The focus of the work is to investigate the viscoelastic material behaviour under ageing conditions. The constitutive equations and the governing equations to numerically investigate the fracture in swollen viscoelastic material are discussed to describe the numerical implementation.

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28

Usal, Melek. "On Continuum Damage Modeling of Fiber Reinforced Viscoelastic Composites with Microcracks in terms of Invariants." Mathematical Problems in Engineering 2015 (2015): 1–15. http://dx.doi.org/10.1155/2015/624750.

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A continuum damage model is developed for the linear viscoelastic behavior of composites with microcracks consisting of an isotropic matrix reinforced by two arbitrarily independent and inextensible fiber families. Despite the fact that the matrix material is isotropic, the model in consideration bears the characteristic of directed media included in the transverse isotropy symmetry group solely due to its fibers distributions and the existence of microcracks. Using the basic laws of continuum damage mechanics and equations belonging to kinematics and deformation geometries of fibers, the cons

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29

Kim, Jaeseung, and Randy C. West. "Application of the Viscoelastic Continuum Damage Model to the Indirect Tension Test at a Single Temperature." Journal of Engineering Mechanics 136, no. 4 (2010): 496–505. http://dx.doi.org/10.1061/(asce)em.1943-7889.0000094.

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30

Kim, Yong-Rak, Dallas N. Little, and Injun Song. "Effect of Mineral Fillers on Fatigue Resistance and Fundamental Material Characteristics: Mechanistic Evaluation." Transportation Research Record: Journal of the Transportation Research Board 1832, no. 1 (2003): 1–8. http://dx.doi.org/10.3141/1832-01.

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Complex characteristics of fatigue behavior were evaluated on the basis of test results and their mechanical analyses. The dynamic shear rheometer was used to characterize fundamental linear viscoelastic properties of asphalt binders and mastics. Various dynamic mechanical tests using cylindrical sand–asphalt samples mixed with pure binders, mastics, or both were also performed to estimate viscoelastic characteristics and fatigue behavior. To assess the filler effect, two distinctly compositionally different asphalt binders, AAD-1 and AAM-1, and two fillers, limestone and hydrated lime, were s

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31

Ding, Jing, Yizhuang David Wang, Saqib Gulzar, Youngsoo Richard Kim, and B. Shane Underwood. "Uncertainty Quantification of Simplified Viscoelastic Continuum Damage Fatigue Model using the Bayesian Inference-Based Markov Chain Monte Carlo Method." Transportation Research Record: Journal of the Transportation Research Board 2674, no. 4 (2020): 247–60. http://dx.doi.org/10.1177/0361198120910149.

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The simplified viscoelastic continuum damage model (S-VECD) has been widely accepted as a computationally efficient and a rigorous mechanistic model to predict the fatigue resistance of asphalt concrete. It operates in a deterministic framework, but in actual practice, there are multiple sources of uncertainty such as specimen preparation errors and measurement errors which need to be probabilistically characterized. In this study, a Bayesian inference-based Markov Chain Monte Carlo method is used to quantify the uncertainty in the S-VECD model. The dynamic modulus and cyclic fatigue test data

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Haddadi, Farshad, Mahmoud Ameri, Mohammad H. Mirabimoghadam, and Hamid R. Amiri Hosseini. "Validation of a simplified method in viscoelastic continuum damage (VECD) model developed for flexural mode of loading." Construction and Building Materials 95 (October 2015): 892–97. http://dx.doi.org/10.1016/j.conbuildmat.2015.07.184.

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33

Gaudron, R., M. T. Warnez, and E. Johnsen. "Bubble dynamics in a viscoelastic medium with nonlinear elasticity." Journal of Fluid Mechanics 766 (January 30, 2015): 54–75. http://dx.doi.org/10.1017/jfm.2015.7.

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AbstractIn a variety of recently developed medical procedures, bubbles are formed directly in soft tissue and may cause damage. While cavitation in Newtonian liquids has received significant attention, bubble dynamics in tissue, a viscoelastic medium, remains poorly understood. To model tissue, most previous studies have focused on Maxwell-based viscoelastic fluids. However, soft tissue generally possesses an original configuration to which it relaxes after deformation. Thus, a Kelvin–Voigt-based viscoelastic model is expected to be a more appropriate representation. Furthermore, large oscilla

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Nguyen, V. D., F. Lani, T. Pardoen, X. P. Morelle, and L. Noels. "A large strain hyperelastic viscoelastic-viscoplastic-damage constitutive model based on a multi-mechanism non-local damage continuum for amorphous glassy polymers." International Journal of Solids and Structures 96 (October 2016): 192–216. http://dx.doi.org/10.1016/j.ijsolstr.2016.06.008.

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35

Hasan, Md Amanul, Md Mehedi Hasan, Biswajit Kumar Bairgi, Umme Amina Mannan, and Rafiqul A. Tarefder. "Utilizing Simplified Viscoelastic Continuum Damage Model to characterize the fatigue behavior of Styrene-Butadiene-Styrene (SBS) modified binders." Construction and Building Materials 200 (March 2019): 159–69. http://dx.doi.org/10.1016/j.conbuildmat.2018.12.048.

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36

Kim, Y. Richard, Cheolmin Baek, B. Shane Underwood, Vijay Subramanian, Murthy N. Guddati, and Kwangho Lee. "Application of viscoelastic continuum damage model based finite element analysis to predict the fatigue performance of asphalt pavements." KSCE Journal of Civil Engineering 12, no. 2 (2008): 109–20. http://dx.doi.org/10.1007/s12205-008-0109-x.

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37

Wei, Jianhui, Tao Fu, Yongjun Meng, and Chengming Xiao. "Investigating the Fatigue Characteristics of Large Stone Asphalt Mixtures Based on the Disturbed State Concept." Advances in Materials Science and Engineering 2020 (August 19, 2020): 1–10. http://dx.doi.org/10.1155/2020/3873174.

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The mechanical response characteristics of large stone asphalt mixtures (LSAMs) are key factors in studying its fatigue characteristics during cyclic loading tests. Based on disturbed state concept (DSC) and viscoelastic continuum damage model (VECD), a series of tests using an overlay test (OT) were carried out to investigate the fatigue characteristics of LSAM. The results showed that disturbance and damage increased with decreasing frequency and increasing loading displacement and aging degree, while the asphalt content had no obvious adverse effect on the increase in damage. In addition, t

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Zeiada, Waleed Abdelaziz, Padmini P. Gudipudi, B. Shane Underwood, and Mena I. Souliman. "Effect of Loading Waveform Pattern and Rest Period on Fatigue Life of Asphalt Concrete Using Viscoelastic Continuum Damage Model." Transportation Research Record: Journal of the Transportation Research Board 2672, no. 28 (2018): 451–61. http://dx.doi.org/10.1177/0361198118773892.

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Fatigue cracking is one of the most critical types of distress in asphalt pavements and is due to actions of repetitive traffic loading over time. The fatigue life of asphalt concrete is often estimated from laboratory experiments where the performance depends directly on the test method, loading conditions, temperature, rest period, and aging in addition to the composition and properties of the mixture itself. The uniaxial fatigue test has become a popular method for developing constitutive models that describe the fatigue behavior of asphalt concrete mixture owing to the uniform states of st

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Yanshen Zhang. "Investigation on A Viscoelastic Creep Damage Constitutive Model for HTPB Propellant and Its Application in Finite Element Analysis." Journal of Electrical Systems 20, no. 3 (2024): 823–40. http://dx.doi.org/10.52783/jes.3014.

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Solid rocket motor (SRM) is typically kept in storage for a significant portion of its lifespan. During storage, the propellant grain creeps under the action of gravity. To investigate the creep properties of hydroyl-terminated polybutadiene (HTPB) propellant under long-term loading, a creep damage constitutive model is developed based on the generalized Kelvin model and continuum damage mechanics theory. Parameters for this model are determined through creep tests conducted on HTPB propellant under various stress levels. Furthermore, to enable the application of the developed propellant const

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Taha, M. M. Reda, and N. G. Shrive. "A Model of Damage and Creep Interaction in a Quasi-Brittle Composite Material Under Axial Loading." Journal of Mechanics 22, no. 4 (2006): 339–47. http://dx.doi.org/10.1017/s172771910000099x.

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AbstractCreep is the time-dependent, viscoelastic strain observed in materials under constant stress. Creep can increase structural strains/deformations to non-serviceable levels or alter the stress distribution among structural components. While stress redistribution can be helpful in composite materials by relieving the stress on one component, it might have a detrimental effect on another, especially if it leads to overstressing.A step-by-step in time approach for modeling creep in quasi-brittle materials such as concrete and masonry is utilized, and a new continuum damage model based on We

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Shu, Shiqi, Chuanyi Zhuang, Ruibo Ren, Baodong Xing, Kun Chen, and Gen Li. "Effect of Different Anti-Stripping Agents on the Rheological Properties of Asphalt." Coatings 12, no. 12 (2022): 1895. http://dx.doi.org/10.3390/coatings12121895.

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Water damage is one of the main forms of early damage of highway asphalt pavement, which seriously affects the service performance of asphalt pavement. To address the problem of early water damage of asphalt pavement, the addition of anti-stripping agents in asphalt is an effective technical means. To further analyze the influence of anti-stripping agents on asphalt performance, Qingchuan rock asphalt, acylamine anti-stripping agent, fatty amine anti-stripping agent, rock asphalt + acylamine anti-stripping agent and rock asphalt + fatty amine anti-stripping agent were selected to modify the ba

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Wang, Yizhuang David, Behrooz Keshavarzi, and Y. Richard Kim. "Fatigue Performance Prediction of Asphalt Pavements with FlexPAVETM, the S-VECD Model, and DR Failure Criterion." Transportation Research Record: Journal of the Transportation Research Board 2672, no. 40 (2018): 217–27. http://dx.doi.org/10.1177/0361198118756873.

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Reliable predictions of asphalt materials and pavement performance are important elements in mixture design, mechanistic-empirical pavement design, and performance-related specifications. This paper presents FlexPAVE™, a pavement performance prediction program. FlexPAVE™ is a three-dimensional finite element program that is capable of moving load analysis under realistic climatic conditions. It utilizes the simplified viscoelastic continuum damage (S-VECD) model to predict asphalt pavement fatigue life. This S-VECD model currently incorporates the so-called GR failure criterion to define the f

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Morshed, M. M. Tariq, Zahid Hossain, Dao-Hao Chen, and Gaylon Baumgardner. "Exploration of alternatives of elastic recovery and conventional fatigue tests of modified binders." International Journal of Pavement Research and Technology 13, no. 6 (2020): 630–36. http://dx.doi.org/10.1007/s42947-020-6009-2.

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AbstractFor characterizing polymer modified binders, different state Departments of Transportation (DOTs) use a variety of laborious and empirical Performance Grade (PG) “Plus” test methods such as elastic recovery (ER) and tenacity. However, the effects of elasto meric and/or plastomeric polymers are not been accurately identified through these conventional tests. The main research goal of this study is to recommend alternative test method(s), which can be pursued by using a, commonly available, dynamic shear rheometer (DSR). To this end, efficacies of test methods such as multiple stress cre

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Koolstra, J. H., and T. M. G. J. van Eijden. "Consequences of Viscoelastic Behavior in the Human Temporomandibular Joint Disc." Journal of Dental Research 86, no. 12 (2007): 1198–202. http://dx.doi.org/10.1177/154405910708601211.

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The consequences of the viscoelastic behavior of the temporomandibular joint disc were analyzed in simulated jaw open-close cycles. It was hypothesized that viscoelasticity helps protect the underlying bone, while augmenting the smoothness of articular movements. Simulations were performed with a dynamic model of the masticatory system, incorporating the joints’ cartilaginous structures as Finite Element Models. A non-linear viscoelastic material model was applied for the disc. The apparent stiffness of the disc to principal stress was largest when the jaw was closed, whereas, with the Von Mis

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Lima Babadopulos, Lucas Feitosa de Albuquerque, Jorge Barbosa Soares, and Verônica Teixeira Franco Castelo Branco. "Interpreting fatigue tests in hot mix asphalt (HMA) using concepts from viscoelasticity and damage mechanics." TRANSPORTES 23, no. 2 (2015): 85. http://dx.doi.org/10.14295/transportes.v23i2.898.

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<p class="Resumo">O futuro método brasileiro de dimensionamento de pavimentos asfálticos possivelmente recomendará, em um nível básico, a realização do ensaio de compressão diametral de carga repetida como ferramenta para a caracterização de fadiga de misturas asfálticas. Em um nível mais avançado, caracterizações mecanísticas incluem a obtenção de propriedades de dano para posterior simulação do comportamento do material. Neste trabalho, duas misturas asfálticas foram avaliadas. A mais rígida delas foi obtida após o envelhecimento da mistura asfáltica original. Estas apresentaram compor

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Wang, Haitao, Zhongming Du, Guiyong Liu, Xiaofeng Luo, and Chunlu Yang. "Effect of Long-Term Aging on Fatigue and Thermal Cracking Performance of Polyphosphoric Acid and Styrene–Butadiene–Styrene-Modified Bio-Blend Bitumen." Polymers 15, no. 13 (2023): 2911. http://dx.doi.org/10.3390/polym15132911.

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Polyphosphoric acid (PPA) and styrene–butadiene–styrene (SBS) were adopted to produce PPA-SBS-modified bio-blend bitumen, which achieved excellent mechanical performance. However, its long-range performance, such as the fatigue and thermal cracking behavior under long-term thermal oxidation, is not well understood. Therefore, a pressure aging vessel (PAV) system was applied to simulate the aging behavior of the bitumen under the action of thermal oxidation. Then, a linear amplitude sweep (LAS) test combined with a viscoelastic continuum damage (VECD) model was applied to investigate the fatigu

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Nguyen, V. D., F. Lani, T. Pardoen, X. P. Morelle, and Ludovic Noels. "Corrigendum to “A large strain hyperelastic viscoelastic-viscoplastic-damage constitutive model based on a multi-mechanism non-local damage continuum for amorphous glassy polymers” [Int. J. Solids Struct. 96 (2016), pp. 192–216]." International Journal of Solids and Structures 282 (October 2023): 112465. http://dx.doi.org/10.1016/j.ijsolstr.2023.112465.

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He, Zhihao, Fang Wang, Jinfei Zhang, et al. "Life Assessment of Deep-Sea Observation Windows under Different Design Considerations." Journal of Marine Science and Engineering 12, no. 6 (2024): 1017. http://dx.doi.org/10.3390/jmse12061017.

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As a key component of deep-sea manned submersibles, the observation window is usually constructed with polymethyl methacrylate (PMMA) material. During the design of the observation windows, the consideration of actual lifespan and its influential factors is insufficient. There are no clear provisions in the widely applied specifications. In this paper, based on the continuum damage mechanics model, combined with the viscoelastic relationship of PMMA material, a series of calculations were performed on the PMMA observation window. The parametric analysis of the fatigue crack-initiation life of

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Jiang, Jinyi, Fei Lu, Xiaogang Guo, Peiwen Hao, Wei Wang, and Jincheng Yu. "Effect of SARA Fractions on Fatigue Properties of Hard Asphalt." Materials 17, no. 11 (2024): 2713. http://dx.doi.org/10.3390/ma17112713.

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The fatigue performance of hard asphalt is an important factor that affects the service life of asphalt pavement. In order to comprehensively explore the influence of chemical components on the fatigue performance of hard asphalt, and to eliminate the chemical instability between the microstructure of asphalt from different oil sources, seven kinds of hard asphalt were designed and prepared with saturates, aromatics, resins, and asphaltenes (SARA) extracted from the same hard asphalt. Rheological, time sweep and linear amplitude sweep (LAS) tests were carried out to evaluate the fatigue proper

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Zhang, Zhanming, Duo Xu, Yunlong Fan, et al. "Investigation of Fatigue Performance for In-Service Asphalt Pavement Mixtures Using Push-Pull Fatigue Test." Coatings 15, no. 2 (2025): 178. https://doi.org/10.3390/coatings15020178.

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With the increasing service life of asphalt pavements, fatigue cracking has become a typical distress that significantly affects the structural lifespan of in-service asphalt pavements. To address the issues of high variability in laboratory fatigue tests and the poor correlation between test results and actual pavement cracking conditions, this study collected field core samples from in-service highways with varying degrees of cracking. The study employed push-pull fatigue tests on asphalt mixtures and linear amplitude sweep tests on extracted and recovered asphalt to evaluate fatigue perform

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