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Articles de revues sur le sujet « Plastic dynamics »

Auteur : Grafiati

Publié le 2 juin 2025

Mis à jour le 31 juillet 2025

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1

Zhang, Haigang, Yilin Hou, Wenjin Zhao, and Hui Na. "Control Strategies of Plastic Biodegradation through Adjusting Additives Ratios Using In Silico Approaches Associated with Proportional Factorial Experimental Design." International Journal of Environmental Research and Public Health 19, no. 9 (2022): 5670. http://dx.doi.org/10.3390/ijerph19095670.

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Plastics, as a polymer material, have long been a source of environmental concern. This paper uses polystyrene plastics as the research object, and the relative contribution of each component of plastic additives to plastic degradation is screened using the molecular dynamics method. The factorial experimental design method is combined with molecular dynamics simulation to adjust the additive composition scheme, analyze the mechanism of interaction between the additive components, and select the plastic additive combination that is most readily absorbed and degraded by microorganisms. Seven di

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Schreyers, Louise J., Tim H. M. van Emmerik, Thanh-Khiet L. Bui, et al. "River plastic transport affected by tidal dynamics." Hydrology and Earth System Sciences 28, no. 3 (2024): 589–610. http://dx.doi.org/10.5194/hess-28-589-2024.

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Abstract. Plastic is an emerging pollutant, and the quantities in rivers and oceans are expected to increase. Rivers are assumed to transport land-based plastic into the ocean, and the fluvial and marine transport processes have been relatively well studied to date. However, the processes controlling the transport in tidal rivers and estuaries, the interface between fluvial and marine systems, remain largely unresolved. For this reason, current estimates of riverine plastic pollution and export into the ocean remain highly uncertain. Hydrodynamics in tidal rivers and estuaries are influenced b

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Coons, Ashley K., Kathrin Busch, Mark Lenz, Ute Hentschel, and Erik Borchert. "Biogeography rather than substrate type determines bacterial colonization dynamics of marine plastics." PeerJ 9 (September 13, 2021): e12135. http://dx.doi.org/10.7717/peerj.12135.

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Since the middle of the 20th century, plastics have been incorporated into our everyday lives at an exponential rate. In recent years, the negative impacts of plastics, especially as environmental pollutants, have become evident. Marine plastic debris represents a relatively new and increasingly abundant substrate for colonization by microbial organisms, although the full functional potential of these organisms is yet to be uncovered. In the present study, we investigated plastic type and incubation location as drivers of marine bacterial community structure development on plastics, i.e., the

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Kaurova, Z. G., M. S. Petrova, E. N. Taimusova, and M. E. Mkrtchyan. "Dynamics of fouling of plastic waste fragments by microorganisms in the Gulf of Finland." E3S Web of Conferences 395 (2023): 02003. http://dx.doi.org/10.1051/e3sconf/202339502003.

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In recent years, the problem of the aquatic environment pollution with synthetic polymers - plastic and microplastics - has become more urgent than ever, which causes an increasing interest of the scientific community in this topic, both in our country and abroad. The development of organic synthesis chemistry at the beginning of the last century led to the emergence of synthetic polymers – plastics; the chemical properties of plastic, making it an inexpensive, durable, and useful material, led to its widespread, mass distribution, but they are also the cause of difficulties with its disposal

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Iuppa, Claudio, and Carla Faraci. "NUMERICAL SIMULATION OF THE PLASTIC DEBRIS TRANSPORT IN NEARSHORE ZONE." Coastal Engineering Proceedings, no. 38 (May 29, 2025): 46. https://doi.org/10.9753/icce.v38.papers.46.

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Plastic is a vital material for both our economy and daily life. However, it can have significant negative impacts on environmental health. For this reason, extensive research has been dedicated to studying plastic behaviour in various natural environments. In the marine environment, research activities are typically divided into studies focusing on either the offshore zone (deep water) or the nearshore zone (intermediate and shallow water). Offshore studies often rely on numerical models, which are relatively effective in predicting plastic transport. In contrast, numerical models for interme

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Brand, R., P. Lunkenheimer, and A. Loidl. "Relaxation dynamics in plastic crystals." Journal of Chemical Physics 116, no. 23 (2002): 10386–401. http://dx.doi.org/10.1063/1.1477186.

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Himoto, Kazuhiro, Masakazu Matsumoto, and Hideki Tanaka. "Rotational Dynamics of Plastic Ice." Journal of the Physical Society of Japan 81, Suppl.A (2012): SA023. http://dx.doi.org/10.1143/jpsjs.81sa.sa023.

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Christensen, Asbjørn, Jens Murawski, Jun She, and Michael St. John. "Simulating transport and distribution of marine macro-plastic in the Baltic Sea." PLOS ONE 18, no. 1 (2023): e0280644. http://dx.doi.org/10.1371/journal.pone.0280644.

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We simulated the spatial distribution and dynamics of macro plastic in the Baltic Sea, using a new Lagrangian approach called the dynamical renormalization resampling scheme (DRRS). This approach extends the super-individual simulation technique, so the weight-per-individual is dynamic rather than fixed. The simulations were based on a mapping of the macro plastic sources along the Baltic coast line, and a five year time series of realistic wind, wave and current data to resolve time-variability in the transport and spatial distribution of macro plastics in the Baltic Sea. The model setup has

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van Emmerik, Tim H. M., Daniel González-Fernández, Charlotte Laufkötter, et al. "Focus on plastics from land to aquatic ecosystems." Environmental Research Letters 18, no. 4 (2023): 040401. http://dx.doi.org/10.1088/1748-9326/acc086.

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Abstract Plastic pollution in oceans and rivers is of growing concern. Aquatic ecosystems play an important role in transport and storage of plastic waste from land-based storage to riverine and marine environments. This focus issue brings together new insights on the sources, transport dynamics, fate, and impact of plastic pollution through aquatic environments. The work collected in this focus issue shows that urban areas, transportation infrastructure, and wastewater treatment plants are consistently identified as sources for micro-, meso-, and macroplastics. Transport dynamics of plastics

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Xuan, Weiwei, Shiying Yan, and Yanwu Dong. "Exploration of Pyrolysis Behaviors of Waste Plastics (Polypropylene Plastic/Polyethylene Plastic/Polystyrene Plastic): Macro-Thermal Kinetics and Micro-Pyrolysis Mechanism." Processes 11, no. 9 (2023): 2764. http://dx.doi.org/10.3390/pr11092764.

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Pyrolysis is a promising technology used to recycle both the energy and chemicals in plastics. Three types of plastics, polyethylene plastic (PE), polypropylene plastic (PP) and polystyrene plastic (PS) were investigated using thermogravimetry–mass spectrometry (TG–MS) and reactive force field molecular dynamics (ReaxFF-MD) simulation. The thermogravimetric analysis showed that all three plastics lost weight during the pyrolysis in one step. The thermal decomposition stability is PS < PP < PE. The activation energies and reaction mechanism function of the three plastics were determined b

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Tagg, Alexander S., Theodor Sperlea, Matthias Labrenz, Jesse P. Harrison, Jesús J. Ojeda, and Melanie Sapp. "Year-Long Microbial Succession on Microplastics in Wastewater: Chaotic Dynamics Outweigh Preferential Growth." Microorganisms 10, no. 9 (2022): 1775. http://dx.doi.org/10.3390/microorganisms10091775.

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Microplastics are a globally-ubiquitous aquatic pollutant and have been heavily studied over the last decade. Of particular interest are the interactions between microplastics and microorganisms, especially the pursuit to discover a plastic-specific biome, the so-called plastisphere. To follow this up, a year-long microcosm experimental setup was deployed to expose five different microplastic types (and silica beads control) to activated aerobic wastewater in controlled conditions, with microbial communities being measured four times over the course of the year using 16S rDNA (bacterial) and I

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Meyer, M., and G. Ciccotti. "Molecular dynamics simulation of plastic adamantane." Molecular Physics 56, no. 6 (1985): 1235–48. http://dx.doi.org/10.1080/00268978500103031.

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Meyer, M., C. Marhic, and G. Ciccotti. "Molecular dynamics simulation of plastic adamantane." Molecular Physics 58, no. 4 (1986): 723–33. http://dx.doi.org/10.1080/00268978600101531.

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Weertman, J., and P. S. Follansbee. "Dislocation dynamics and plastic shock waves." Mechanics of Materials 7, no. 3 (1988): 177–89. http://dx.doi.org/10.1016/0167-6636(88)90017-8.

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Chandawarkar, Rajiv Y., and Satyajit Dutta. "Dynamics of Hospital-Based Plastic Surgery." Plastic and Reconstructive Surgery 119, no. 2 (2007): 730–37. http://dx.doi.org/10.1097/01.prs.0000246718.40321.cd.

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Zaiser, M., and W. Frank. "Dislocation dynamics in cyclic plastic deformation." Applied Physics A Materials Science & Processing 60, no. 6 (1995): 589–95. http://dx.doi.org/10.1007/bf01538533.

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Zaiser, M., and W. Frank. "Dislocation dynamics in cyclic plastic deformation." Applied Physics A Materials Science & Processing 60, no. 5 (1995): 497–503. http://dx.doi.org/10.1007/bf01538775.

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Kneussel, Matthias, Antoine Triller, and Daniel Choquet. "SnapShot: Receptor Dynamics at Plastic Synapses." Cell 157, no. 7 (2014): 1738–1738. http://dx.doi.org/10.1016/j.cell.2014.06.002.

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Ambrosio, Jorge A. C., and Parviz E. Nikravesh. "Elasto-plastic deformations in multibody dynamics." Nonlinear Dynamics 3, no. 2 (1992): 85–104. http://dx.doi.org/10.1007/bf00118987.

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Egorushkin, V. E. "Dynamics of plastic deformation: Waves of localized plastic deformation in solids." Russian Physics Journal 35, no. 4 (1992): 316–34. http://dx.doi.org/10.1007/bf00560067.

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Lu, Chengqi, and Ruixiang Hou. "Research Progress on Degradation and Market Dynamics of PBAT." International Journal of Power and Energy Engineering 3, no. 6 (2021): 53–55. http://dx.doi.org/10.53469/ijpee.2021.03(06).13.

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At present, the massive use of traditional plastics which are very hard to degrade and hereinafter referred to as non-degradable plastics has caused serious pollution problems, which has a harmful effect on the environment and human health. Up to now, many countries have enacted strict policies and regulations to limit the use of non-degradable plastics, polyadipate/butanediol terephthalate (PBAT), as a kind of degradable plastic, has drawn more and more attention. In this paper, research progress on the degradation of PBAT is reviewed and the market dynamics of PBAT are introduced. In the nex

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Hong, Le, Weicheng Cui, and Hao Chen. "A Novel Multi-Robot Task Allocation Model in Marine Plastics Cleaning Based on Replicator Dynamics." Journal of Marine Science and Engineering 9, no. 8 (2021): 879. http://dx.doi.org/10.3390/jmse9080879.

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As marine plastic pollution threatens the marine ecosystem seriously, the government needs to find an effective way to clean marine plastics. Due to the advantages of easy operation and high efficiency, autonomous underwater vehicles (AUVs) have been applied to clean marine plastics. As for the large-scale marine environment, the marine plastic cleaning task needs to be accomplished through the collaborative work of multiple AUVs. Assigning the cleaning task to each AUV reasonably and effectively has an essential impact on improving cleaning efficiency. The coordination of AUVs is subjected to

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Whittle, M., R. J. Atkin, and W. A. Bullough. "Dynamics of an Electrorheological Valve." International Journal of Modern Physics B 10, no. 23n24 (1996): 2933–50. http://dx.doi.org/10.1142/s0217979296001380.

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Time dependent solutions to the equations of motion for flow in an electro-rheological valve are developed and discussed in relation to the limiting speed of operation. The fluid is considered to be a homogeneous continuum obeying the Bingham plastic constitutive equation incorporating a yield stress and viscous component. The results show that the speed of response is determined principally by the plastic viscosity and electrode gap irrespective of the yield stress and corroborates earlier work.

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Wang, Rong-Tsu, Jung-Chang Wang, and Sih-Li Chen. "Investigations on Temperatures of the Flat Insert Mold Cavity Using VCRHCS with CFD Simulation." Polymers 14, no. 15 (2022): 3181. http://dx.doi.org/10.3390/polym14153181.

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This paper adopted transient CFD (Computational Fluid Dynamics) simulation analysis with an experimental method for designing and surveying the quick and uniform rise in the temperature of the plastics into the insert mold cavity. Plastic injection molding utilizing VCRHCS (Vapor Chamber for Rapid Heating and Cooling System) favorably decreased the defects of crystalline plastic goods’ welding lines, enhancing the tensile intensity and lowering the weakness of welding lines of a plastic matter. The vapor chamber (VC) possessed a rapid uniform temperature identity, which was embedded between th

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Wang, Fan, Xiao Yi Lan, and Ding Ding Liu. "Progress in Study on Elastic-Plastic Time History Analysis of Tall Building." Applied Mechanics and Materials 578-579 (July 2014): 523–26. http://dx.doi.org/10.4028/www.scientific.net/amm.578-579.523.

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This paper summarizes both advantages and disadvantages of elastic-plastic static and dynamics analysis methods and points out that dynamics analysis is more applicable and accurate for high-rise building analysis, compared to elastic-plastic static analysis. Then, some key issues of elastic-plastic dynamics time history analysis are introduced, based on the understanding of the latest progress of it, including element models of beam, column and shear wall, constitutive laws of steel and concrete, algorithm and analysis software. The research results provide helpful referencesto the applicatio

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26

Li, Yong, Bairong Wang, and Yunyu Li. "The Influence of the Big Five Personality Traits on Residents’ Plastic Reduction Attitudes in China." International Journal of Environmental Research and Public Health 20, no. 10 (2023): 5762. http://dx.doi.org/10.3390/ijerph20105762.

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Plastic pollution has become one of the most pressing environmental issues. It is essential to understand why an individual is or is not supportive of reducing plastics. This study aims to investigate the dynamics behind residents’ plastic reduction attitudes from the lens of the Big Five personality traits. A sample of 521 residents in China was recruited and analyzed for this study. The results indicate that the Conscientiousness personality type is a reliable green personality with positive plastic reduction attitudes. Highly conscientious individuals are more responsible for the environmen

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Ryan, Peter G., Charles J. Moore, Jan A. van Franeker, and Coleen L. Moloney. "Monitoring the abundance of plastic debris in the marine environment." Philosophical Transactions of the Royal Society B: Biological Sciences 364, no. 1526 (2009): 1999–2012. http://dx.doi.org/10.1098/rstb.2008.0207.

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Plastic debris has significant environmental and economic impacts in marine systems. Monitoring is crucial to assess the efficacy of measures implemented to reduce the abundance of plastic debris, but it is complicated by large spatial and temporal heterogeneity in the amounts of plastic debris and by our limited understanding of the pathways followed by plastic debris and its long-term fate. To date, most monitoring has focused on beach surveys of stranded plastics and other litter. Infrequent surveys of the standing stock of litter on beaches provide crude estimates of debris types and abund

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Kargaudas, Vytautas, and Nerijus Adamukaitis. "PLASTIC DEFORMATIONS OF STEEL FRAME: STATICS AND DYNAMICS." Engineering Structures and Technologies 2, no. 3 (2010): 101–5. http://dx.doi.org/10.3846/skt.2010.14.

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When all deformations of a column are elastic, transverse deflections of the column depend on transverse force and axial displacements depend on axial force only. These classical dependences are unsuitable for elastic-plastic deformations. Plastic deformations develop in columns when steel frame is influenced by extreme action. When a steel column is in the elastic-plastic state, the distribution of elastic and plastic deformations in the cross-section depends on both the bending moment and compressing force. The ideal elastic-plastic material is assumed in this investigation (Prandtl stress –

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Hill, Melanie C., Joara Secchi Candian, Fernanda Souza Krupek, Paul C. Bartley, and Andre Luiz Biscaia Ribeiro da Silva. "Effects of Multicropping Plastic Mulch on Soil Dynamics and Yield in Vegetable Production." HortTechnology 35, no. 3 (2025): 321–28. https://doi.org/10.21273/horttech05578-24.

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The use of plastic mulching for vegetable production systems is a common practice in the southeastern United States. Plastic mulching is known to benefit crop growth and yield. However, plastic mulch application and removal from fields is time-consuming and expensive. To reduce the time and expense of application and removal, growers have double-, triple-, or even quadruple-cropped on a single application of plastic mulch, where a second, third, or fourth crop is grown on the mulch after the preceding crop is harvested. To evaluate the potential detrimental effects of multicropping plastic mul

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Nemirovskiy, Yu V., and A. P. Yankovskiy. "ELASTIC-PLASTIC DYNAMICS OF RECTANGULAR COMPOSITE PLATES." Problems of Strength and Plasticity 68, no. 1 (2006): 78–85. http://dx.doi.org/10.32326/1814-9146-2006-68-1-78-85.

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Peneva, Stoyana, Quynh Nhu Phan Le, Davi R. Munhoz, et al. "Plastic input and dynamics in industrial composting." Waste Management 193 (February 2025): 283–92. https://doi.org/10.1016/j.wasman.2024.11.043.

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Symonds, P. S., and J. Y. Lee. "Fractal Dimensions in Elastic-Plastic Beam Dynamics." Journal of Applied Mechanics 62, no. 2 (1995): 523–26. http://dx.doi.org/10.1115/1.2895961.

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Calculations of two types of fractal dimension are reported, regarding the elastic-plastic response of a two-degree-of-freedom beam model to short pulse loading. The first is Mandelbrot’s (1982) self-similarity dimension, expressing independence of scale of a figure showing the final displacement as function of the force in the pulse loading; these calculations were made with light damping. These results are equivalent to a microscopic examination in which the magnification is increased by factors of 102; 104; and 106. It is found that the proportion and distribution of negative final displace

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Affouard, F., and M. Descamps. "Molecular dynamics simulation of norbornene plastic crystal." Journal of Molecular Structure 651-653 (June 2003): 217–21. http://dx.doi.org/10.1016/s0022-2860(02)00669-5.

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IIDA, Hiroshi. "Investigation on the dynamics of plastic gear." Proceedings of the Dynamics & Design Conference 2018 (2018): 312. http://dx.doi.org/10.1299/jsmedmc.2018.312.

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Ribeiro Modro, Nilson, Luiz Cláudio Dalmolin, Nelcimar Ribeiro Modro, and Glauco Oliveira Rodrigues. "System dynamics modeling to evaluate impacts and opportunities in plastic recycling." Revista Prociências 7, no. 2 (2024): 77–96. https://doi.org/10.15210/prociencias.v7i2.28247.

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The improper management of Municipal Solid Waste (MSW), especially plastics, poses a significant environmental and economic challenge. This study employs the System Dynamics methodology to model and compare plastic recycling scenarios, evaluating their environmental and financial impacts as well as opportunities within a circular economy. Three scenarios were simulated, varying disposal and recycling rates, demonstrating that increased recycling reduces CO₂ emissions, enhances financial gains, and contributes to sustainability. The results indicate that more robust waste management strategies

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van der Mheen, Mirjam, Erik van Sebille, and Charitha Pattiaratchi. "Beaching patterns of plastic debris along the Indian Ocean rim." Ocean Science 16, no. 5 (2020): 1317–36. http://dx.doi.org/10.5194/os-16-1317-2020.

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Abstract. A large percentage of global ocean plastic waste enters the Northern Hemisphere Indian Ocean (NIO). Despite this, it is unclear what happens to buoyant plastics in the NIO. Because the subtropics in the NIO are blocked by landmass, there is no subtropical gyre and no associated subtropical garbage patch in this region. We therefore hypothesize that plastics “beach” and end up on coastlines along the Indian Ocean rim. In this paper, we determine the influence of beaching plastics by applying different beaching conditions to Lagrangian particle-tracking simulation results. Our results

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Khoeriyah, Z. B. A., and E. Sembiring. "Role of Wind, Ground Surface, and Slope in Plastic Waste Movement on Terrestrial Environments." IOP Conference Series: Earth and Environmental Science 1257, no. 1 (2023): 012007. http://dx.doi.org/10.1088/1755-1315/1257/1/012007.

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Abstract Trajectory of waste on land is a strategy for preventing and mitigating plastic pollution in the environment and a component of its management strategy. However, basic data related to the dynamics of the movement of plastic waste on land as the main data in the model design process has been limited. This research was conducted to meet this need by reviewing the influence of environmental factors such as wind, air runoff, soil surface, and slope on the movement of plastic waste on land. In this study, primary data collection of plastic movement was simulated in experimental scenarios f

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Soesanto, Qinan Maulana Binu, Dian Prihadyanti, Hartiningsih Hartiningsih, and Trina Fizzanty. "Dynamics of Bioplastics Development in Indonesia." STI Policy and Management Journal 1, no. 2 (2016): 153. http://dx.doi.org/10.14203/stipm.2016.48.

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Increase in consumption of conventional plastics lead to environmental problems. Therefore, some efforts are needed to overcome it, one of them by using bioplastics. However, in Indonesia, companies engaged in bioplastics sector are still rarely found. Without the readiness of the bioplastics industry in Indonesia, development of bioplastics which ends to solve environmental problems cannot be realized. Through Socio-Technical Systems (STS) approach with Multi Level Perspective framework, this Papper analyze the dynamics of the transition of bioplastics in Indonesia. The results show the prese

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Nakayama, Tadanobu, and Masahiro Osako. "Plastic trade-off: Impact of export and import of waste plastic on plastic dynamics in Asian region." Ecological Modelling 489 (March 2024): 110624. http://dx.doi.org/10.1016/j.ecolmodel.2024.110624.

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Mathew, Roshmon Thomas. "Plastic Contamination in Aquatic Ecosystems: A Fisheries Perspective." Asian Journal of Water, Environment and Pollution 21, no. 3 (2024): 1–7. http://dx.doi.org/10.3233/ajw240028.

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Plastic contamination poses a dire threat to aquatic ecosystems and fisheries, necessitating a comprehensive exploration of its ecological, economic, and socio-economic dimensions. From the ubiquity of plastics globally to their adverse impacts on fish habitats and the economic viability of fisheries, this analysis delves into the intricate dynamics of plastic pollution. The socio-economic implications for local communities, coupled with the staggering costs of mitigation measures, underscore the urgency of addressing this pervasive issue. The article critically evaluates research quality, emp

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Jachimowicz, Piotr, Barbara Klik, and Adriana Dorota Osińska. "Plastic Pollution in Paradise: Analyzing Plastic Litter on Malta’s Beaches and Assessing the Release of Potentially Toxic Elements." Toxics 12, no. 8 (2024): 568. http://dx.doi.org/10.3390/toxics12080568.

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This study investigates plastic litter on two beaches in Malta, Golden Bay and Rivera Beach, with a focus on plastic abundance, characteristics, sources, and the influence of human activity on pollution levels. Conducted in March 2023 during the low-tourist season, 13 sediment samples were collected from a depth of 5 cm using a systematic square sampling method. Plastic litter was quantified and sorted by size, shape, color, and polymer type, and concentrations of potentially toxic elements (PTEs) were measured (Cd, Co, Cr, Cu, Mn, Ni, Pb, Zn, and Fe via ICP-OES). Golden Bay exhibited signific

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Edirisooriya, E. M. N. Thiloka, Punhasa S. Senanayake, Tarek Ahasan, Pei Xu, and Huiyao Wang. "Comprehensive Insights into Photoreforming of Waste Plastics for Hydrogen Production." Catalysts 15, no. 5 (2025): 453. https://doi.org/10.3390/catal15050453.

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The global plastic crisis, with over 400 million metric tons produced annually and minimal recycling, demands urgent solutions. Photocatalytic plastic photoreforming offers a dual benefit: converting non-recyclable plastics into hydrogen fuel and valuable chemicals using solar energy under mild conditions. This critical review highlights recent advances in photocatalyst design, including semiconductors, MOF-derived materials, and co-catalyst systems, and explores key insights into plastic degradation mechanisms and reactor configurations. Operational factors such as pH, light intensity, and fl

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Davidov, Keren, Sheli Itzahri, Liat Anabel Sinberger, and Matan Oren. "Unveiling microbial succession dynamics on different plastic surfaces using WGCNA." PLOS ONE 20, no. 2 (2025): e0318843. https://doi.org/10.1371/journal.pone.0318843.

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Over recent decades, marine microorganisms have increasingly adapted to plastic debris, forming distinct plastic-attached microbial communities. Despite this, the colonization and succession processes on plastic surfaces in marine environments remain poorly understood. To address this knowledge gap, we conducted a microbiome succession experiment using four common plastic polymers (PE, PP, PS, and PET), as well as glass and wood, in a temperature-controlled seawater system over a 2- to 90-day period. We employed long-read 16S rRNA metabarcoding to profile the prokaryotic microbiome’s taxonomic

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Wu, Bingxin, Kaikai Jin, and Yin Yao. "Molecular Dynamics Study on the Mechanical Behaviors of Nanotwinned Titanium." Metals 14, no. 8 (2024): 918. http://dx.doi.org/10.3390/met14080918.

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Titanium and titanium alloys have been widely applied in the manufacture of aircraft engines and aircraft skins, the mechanical properties of which have a crucial influence on the safety and lifespan of aircrafts. Based on nanotwinned titanium models with different twin boundary spacings, the impacts of different loadings and twin boundary spacings on the plastic deformation of titanium were studied in this paper. It was found that due to the different contained twin boundaries, the different types of nanotwinned titanium possessed different dislocation nucleation abilities on the twin boundar

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Yao, Shaowen, and Zhibo Cheng. "Plastic Dynamical Model for Bulk Metallic Glasses." Complexity 2019 (December 17, 2019): 1–7. http://dx.doi.org/10.1155/2019/1895141.

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Based on previous experimental results of the plastic dynamic analysis of metallic glasses upon compressive loading, a dynamical model is proposed. This model includes the sliding speed of shear bands in the plastically strained metallic glasses, the shear resistance of shear bands, the internal friction resulting from plastic deformation, and the influences from the testing machine. This model analysis quantitatively predicts that the loading rate can influence the transition of the plastic dynamics in metallic glasses from chaotic (low loading rate range) to stable behavior (high loading rat

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Xiao, Shi Fang, and Yu Hu Wang. "Molecular Dynamics Simulation of Compressive Mechanical Behavior of Nanocrystalline Fe." Materials Science Forum 475-479 (January 2005): 3291–94. http://dx.doi.org/10.4028/www.scientific.net/msf.475-479.3291.

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The uniaxial compressive mechanical properties of nanocrystalline Fe are simulated with a molecular dynamics technique and the analytical embedded-atom method. An asymmetrical mechanical phenomenon between tensile and compressive process is found, and the yield stress and flow stress in compression are higher than those in tension simulations. The compressive deformation process can be described as three characteristic regions: quasi-elastic deformation, plastic flowing deformation, and strain strengthening. During the plastic flowing deformation region, the material shows very good compressiv

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AFFOUARD, F., and PH DEPONDT. "Rotational dynamics and velocity segregation in plastic KCIO4: a molecular dynamics simulation." Molecular Physics 93, no. 5 (1998): 703–11. http://dx.doi.org/10.1080/00268979809482256.

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AFFOUARD, F., and PH DEPONDT. "Rotational dynamics and velocity segregation in plastic KClO4 : a molecular dynamics simulation." Molecular Physics 93, no. 5 (1998): 703–11. http://dx.doi.org/10.1080/002689798168727.

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Mayer, Alexander E., Mikhail V. Lekanov, Natalya A. Grachyova, and Eugeniy V. Fomin. "Machine-Learning-Based Model of Elastic—Plastic Deformation of Copper for Application to Shock Wave Problem." Metals 12, no. 3 (2022): 402. http://dx.doi.org/10.3390/met12030402.

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Molecular dynamics (MD) simulations explored the deformation behavior of copper single crystal under various axisymmetric loading paths. The obtained MD dataset was used for the development of a machine-learning-based model of elastic–plastic deformation of copper. Artificial neural networks (ANNs) approximated the elastic stress–strain relation in the form of tensor equation of state, as well as the thresholds of homogeneous nucleation of dislocations, phase transition and the beginning of spall fracture. The plastic part of the MD curves was used to calibrate the dislocation plasticity model

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Nemirovskii, Yu V., and T. P. Romanova. "Dynamics of plastic polygonal plates with rounded corners." Strength of Materials 23, no. 9 (1991): 1011–17. http://dx.doi.org/10.1007/bf00770934.

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