Academic literature on the topic 'Mechanical physics - structural'

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Journal articles on the topic "Mechanical physics - structural"

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Michel, A., H. Stang, M. Lepech, and M. R. Geiker. "Multi-Physics and Multi-Scale Deterioration Modelling of Reinforced Concrete." Key Engineering Materials 665 (September 2015): 13–16. http://dx.doi.org/10.4028/www.scientific.net/kem.665.13.

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Deterioration of reinforced concrete infrastructure such as bridges, tunnels, and buildings represents one of the major challenges currently facing developed countries. While engineering tools and methods for structural modelling and design of new reinforced concrete infrastructure are mature, methods and tools for modelling decades-long deterioration and maintenance are much less developed. In this paper, a multi-physics and multi-scale modelling approach for structural deterioration of reinforced concrete components due to reinforcement corrosion is presented. The multi-disciplinary modellin
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Wu, Lingling, Xiaoqing Xi, Bo Li, and Ji Zhou. "Multi-Stable Mechanical Structural Materials." Advanced Engineering Materials 20, no. 2 (2017): 1700599. http://dx.doi.org/10.1002/adem.201700599.

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Yuan, Lei, Yi-Qing Ni, En-Ze Rui, and Weijia Zhang. "Structural damage inverse detection from noisy vibration measurement with physics-informed neural networks." Journal of Physics: Conference Series 2647, no. 19 (2024): 192013. http://dx.doi.org/10.1088/1742-6596/2647/19/192013.

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Abstract Structural damage detection is an inverse problem to identify and quantify structural damage from measurement data by discovering the variation of structural mechanical parameters. Recently, a novel deep learning framework named physics-informed neural networks (PINNs) has been proposed and successfully applied to solve inverse problems of various linear/nonlinear partial differential equations (PDEs) by integrating physical information such as governing equations as prior information. In this study, we propose a PINN-based framework to exploit a novel method of structural damage dete
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Ming, Zhu, and Ke-Hong Wang. "Structural, electronic and mechanical properties ofCrN: A first principles study." Modern Physics Letters B 29, no. 04 (2015): 1550009. http://dx.doi.org/10.1142/s0217984915500098.

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The structural stability, electronic, and mechanical properties of chromium nitride ( CrN ) have been investigated by first-principles calculations within the generalized gradient approximation (GGA). Six different crystal structures of CrN are considered, namely NaCl , CsCl , zinc blende, WC, wurtzite and NiAs . Among the considered structures, NiAs -type structure is energetically more stable than others. The electronic band structure and density of states calculations reveal that these materials exhibit metallic nature. The calculated elastic constants indicate these compounds are mechanica
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Dress, Genetu Amare, Yohannes Regassa, and Ermias Gebrekidan Koricho. "Model-Based Mechanical Property and Structural Failure Prediction of Pseudo Ductile Hybrid Composite." Journal of Building Material Science 7, no. 2 (2025): 1–21. https://doi.org/10.30564/jbms.v7i2.8642.

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Lightweight fiber reinforced composites are widely used in engineering structures, which often fail catastrophically due to the uncertainty of external loads and their brittle nature. The development of pseudo ductile hybrid composites was the proposed solution to create minimal ductility in fiber reinforced composites so that equipment downtime, cost, and loss of lives can be minimized in their structural application. However, the development of pseudo ductile hybrid composites does not guarantee that pseudo ductile hybrid composite is prone to failure. As a result, different models, includin
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YANG*, Dong Seok, Seok Ho KIM, Young Goo YOO, and Seong Cho YU. "Structural Analysis of Fe60Co40 Mechanical Alloys." New Physics: Sae Mulli 60, no. 6 (2010): 658–62. http://dx.doi.org/10.3938/npsm.60.658.

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Li, Qi, Fushun Liu, Bin Wang, D. Z. Liu, and Zhenghua Qian. "A novel physics-informed framework for reconstruction of structural defects." Applied Mathematics and Mechanics 43, no. 11 (2022): 1717–30. http://dx.doi.org/10.1007/s10483-022-2912-6.

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AbstractThe ultrasonic guided wave technology plays a significant role in the field of non-destructive testing as it employs acoustic waves with the advantages of high propagation efficiency and low energy consumption during the inspect process. However, the theoretical solutions to guided wave scattering problems with assumptions such as the Born approximation have led to the poor quality of the reconstructed results. Besides, the scattering signals collected from industry sectors are often noised and nonstationary. To address these issues, a novel physics-informed framework (PIF) for the qua
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Sun, Yan, Shao Yong Jiang, Wei Zhou, and Xian Cai Lu. "Mechanical Analysis and Identification Markings of Nanoparticle Distribution in Narrow Friction Zones." Advanced Materials Research 924 (April 2014): 312–18. http://dx.doi.org/10.4028/www.scientific.net/amr.924.312.

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Through scanning electron microscope (SEM) observation on kinetic friction and static friction deformation, our data show that granular nanoparticles (commonly 60-80nm with diameter, d) are widespreadly distributions in narrow friction zones. Furthermore, the identification markings, such as nature, experiment and fabric orientation etc., usefully deal with the mechanical analysis,and the granular nanoparticle distributions in narrow friction zones could be subdivided into three kinds, i.e. simple shear, pure shear and rotational shear pattern. Additionally, note that under stress action physi
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Jiang, Ruijiao, Jianguo Zhang, Qun Wei, and Minhua Xue. "Structural, Mechanical and Electronic Properties of o-BC6N." Zeitschrift für Naturforschung A 74, no. 11 (2019): 1037–42. http://dx.doi.org/10.1515/zna-2019-0156.

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AbstractThe mechanical and electronic properties of o-BC6N are studied by using first-principles calculations. The anisotropy studies of Young’s modulus, shear modulus and Poisson’s ratio show that o-BC6N exhibits a large anisotropy. Electronic structure study shows that o-BC6N presents metallicity under the conditions of zero and high pressure.
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Ruderman, M., and T. Bertram. "Structural hysteresis model of transmitting mechanical systems." Journal of Physics: Conference Series 585 (February 25, 2015): 012009. http://dx.doi.org/10.1088/1742-6596/585/1/012009.

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Dissertations / Theses on the topic "Mechanical physics - structural"

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Hudson-McAulay, Kate J. "The structural and mechanical integrity of historic wood." Thesis, University of Glasgow, 2016. http://theses.gla.ac.uk/7529/.

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Little is known about historic wood as it ages naturally. Instead, most studies focus on biological decay, as it is often assumed that wood remains otherwise stable with age. This PhD project was organised by Historic Scotland and the University of Glasgow to investigate the natural chemical and physical aging of wood. The natural aging of wood was a concern for Historic Scotland as traditional timber replacement is the standard form of repair used in wooden cultural heritage; replacing rotten timber with new timber of the same species. The project was set up to look at what differences could
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Brinster, Irina. "Multi-Objective Algorithms for Coupled Optimization of Mechanical and Electromagnetic Systems." Research Showcase @ CMU, 2014. http://repository.cmu.edu/dissertations/528.

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Modern mobile devices incorporate several transmit and receive antennas in highly constrained volumes. As miniaturized antennas impinge upon fundamental physical limits on efficiency, new design approaches are required to support ever-smaller devices with more varied and robust communication performance. We take an unconventional design approach in which an arbitrary metallic structure and its components can be modified to act as efficient radiators. Using eigenmode analysis and the theory of characteristic modes (TCM), we develop algorithms that allow for effective integration of antennas wit
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Kendall, Michael James. "Experimentally simulating high rate deformation of polymers and composites." Thesis, University of Oxford, 2013. http://ora.ox.ac.uk/objects/uuid:bc1a52f5-9f58-411b-8126-9469a4071ff2.

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The research presented in this dissertation presents a methodology to experimentally predict and simulate the mechanical behavior of polymers under high strain rate deformation. Specifically, the interplay between the effects of temperature and strain rate on polymer behavior is examined and then used as a tool to help recreate the high rate mechanical response of several different polymers: ranging from rubbers to amorphous polymers to composites. Multiple literature reviews are conducted and presented in this thesis, e.g. experimental mechanics test methods, high rate behavior, time-temperat
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Rabe, Karin M. (Karin Maria). "Ab initio statistical mechanics of structural phase transitions." Thesis, Massachusetts Institute of Technology, 1987. http://hdl.handle.net/1721.1/14630.

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Guédé, Zakoua. "Approche probabiliste de la durée de vie des structures sollicités en fatigue thermique." Phd thesis, Université Blaise Pascal - Clermont-Ferrand II, 2005. http://tel.archives-ouvertes.fr/tel-00665715.

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Le comportement en fatigue thermique est extrêmement marqué par de nombreuses incertitudes. Le code de dimensionnement de l'industrie nucléaire, qui est particuliérement concernée par ce phénomène, prend en compte ces incertitudes en introduisant des marges de sécurité empitiques de sorte que le dimensionnement soit rendu conservatif. Toutefois, cette démarche ne permet pas de chiffrer le risque lié aux choix effectués. Il est donc intéressant d'introduire un cadre probabiliste global du dimensionnement en fatigue thermique. L'approche probabiliste du dimensionnement en fatigue thermique propo
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Vergnault, Étienne. "Vers une approche multi-échelle pour l'interaction fluide-structure." Phd thesis, École normale supérieure de Cachan - ENS Cachan, 2009. http://tel.archives-ouvertes.fr/tel-00661195.

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La prédiction du comportement de structures soumises au chargement d'un guide est un enjeu actuel de l'industrie aéronautique. Les matériaux composites, de plus en plus employés, ont des mécanismes de dégradation dont la taille caractéristique est inférieure au dixième de millimètre. Dans le cadre des méthodes multi-échelles développées au laboratoire pour la simulation des structures, nous proposons une méthode de décomposition de domaine mixte pour la simulation d'écoulements incompressibles. Les équations de Navier-Stokes sont écrites dans un formalisme eulérien, et résolues de manière incr
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Ku, Jason (Jason Stoutsenberger). "On the design of physical folded structures." Thesis, Massachusetts Institute of Technology, 2016. http://hdl.handle.net/1721.1/104239.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Mechanical Engineering, 2016.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 123-128).<br>Folding as a subject of mathematical, computational, and engineering study is relatively young. Most results in this field are hard to apply in engineering practice because the use of physical materials to construct folded structures has not been fully considered nor adequately addressed. I propose a three-fold approach to the design of folded structures with physical consideration, separating for
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Azarkhail, Mohammadreza. "Agent autonomy approach to physics-based reliability modeling of structures and mechanical systems." College Park, Md.: University of Maryland, 2007. http://hdl.handle.net/1903/7680.

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Thesis (Ph. D.) -- University of Maryland, College Park, 2007.<br>Thesis research directed by: Mechanical Engineering. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.
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Teitz, Emilie Maria. "Characterization of the Shock Wave Structure in Water." Thesis, Marquette University, 2017. http://pqdtopen.proquest.com/#viewpdf?dispub=10267152.

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<p> The scientific community is interested in furthering the understanding of shock wave structures in water, given its implications in a wide range of applications; from researching how shock waves penetrate unwanted body tissues to studying how humans respond to blast waves. Shock wave research on water has existed for over five decades. Previous studies have investigated the shock response of water at pressures ranging from 1 to 70 GPa using flyer plate experiments. This report differs from previously published experiments in that the water was loaded to shock pressures ranging from 0.36 to
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Thomson, Edward Andrew. "Schrodinger wave-mechanics and large scale structure." Thesis, University of Glasgow, 2011. http://theses.gla.ac.uk/2976/.

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In recent years various authors have developed a new numerical approach to cosmological simulations that formulates the equations describing large scale structure (LSS) formation within a quantum mechanical framework. This method couples the Schrodinger and Poisson equations. Previously, work has evolved mainly along two different strands of thought: (1) solving the full system of equations as Widrow & Kaiser attempted, (2) as an approximation to the full set of equations (the Free Particle Approximation developed by Coles, Spencer and Short). It has been suggested that this approach can be co
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Books on the topic "Mechanical physics - structural"

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Berthelot, Jean-Marie. Composite Materials: Mechanical Behavior and Structural Analysis. Springer New York, 1999.

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Georges, Magonette, and Marazzi Francesco, eds. Technology of semiactive devices and applications in vibration management. Wiley, 2006.

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Sundararajan, C. Probabilistic Structural Mechanics Handbook: Theory and Industrial Applications. Springer US, 1995.

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Dyson, B. F. Materials Metrology and Standards for Structural Performance. Springer Netherlands, 1995.

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Pietrzyk, Maciej. Thermal-Mechanical Modelling of the Flat Rolling Process. Springer Berlin Heidelberg, 1991.

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Oliver, Michael R. Chemical-Mechanical Planarization of Semiconductor Materials. Springer Berlin Heidelberg, 2004.

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Holnicki-Szulc, Jan. Advances in Smart Technologies in Structural Engineering. Springer Berlin Heidelberg, 2004.

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Skrzypek, Jacek J. Modeling of Material Damage and Failure of Structures: Theory and Applications. Springer Berlin Heidelberg, 1999.

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L, Best Charles, McLean, W. G. (William G.), and Nelson, E. W. (Eric William), eds. Schaum's outlines engineering mechanics: Statics. 6th ed. McGraw-Hill, 2010.

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Dafermos, C. M. Hyperbolic conservation laws in continuum physics. 3rd ed. Springer, 2010.

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Book chapters on the topic "Mechanical physics - structural"

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Beddu, S., A. J. H. Alansare, Z. Itam, Daud Mohamad, M. M. Zainoodin, and W. W. A. Zailani. "Structural Mechanical Properties of Polyethylene Terephthalate (PET) Concrete Subjected to High Temperature." In Springer Proceedings in Physics. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-9267-4_64.

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Li, Xiaoli, Xinbo Chen, and Jinli Sun. "The Study of Mechanical Behavior of Alloy Structural Steel Based on Dynamic Acoustic Emission Signal." In Springer Proceedings in Physics. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-12111-2_19.

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Agnani, A., and E. Esposito. "Scanning Laser Doppler Vibrometry Application to Artworks: New Acoustic and Mechanical Exciters for Structural Diagnostics." In Springer Proceedings in Physics. Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/3-540-27176-7_63.

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Beddu, S., N. A. N. Basri, N. M. Kamal, Daud Mohamad, P. Sukhvinder, and W. W. A. Zailani. "Structural Effect of Well-Graded Coal Bottom Ash in Improving Mechanical and Thermal Properties of Normal Concrete." In Springer Proceedings in Physics. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-9267-4_65.

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Pirouz, P. "Some Aspects of the Structural, Mechanical and Electronic Properties of SiC." In NATO Science for Peace and Security Series B: Physics and Biophysics. Springer Netherlands, 2008. http://dx.doi.org/10.1007/978-1-4020-8422-5_17.

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Yan, Tingxu, Huiping Zhu, Xudong Liu, et al. "Wetting Behavior of LBE on 316L and T91 Surfaces with Different Roughness." In Springer Proceedings in Physics. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-1023-6_41.

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AbstractIn this paper, two typical candidate structural materials of 316L and T91 with different surface roughnesses were studied at temperatures from 200–500 ℃. The surface with different roughness was prepared by mechanical polishing on the sandpapers with particle sizes from 400 to 2000 mesh. The wetting test was carried out in a smart contact angle measuring device by using the sessile-drop method. Meanwhile, the microstructure of the liquid-solid surface was analyzed by scanning electron microscope (SEM). The results show that the surfaces of both materials are non-wetting to LBE in the t
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Liu, Mingxuan, Xinyang Fan, Danrong Song, Bin Zheng, and Meng Zhang. "Fatigue Analysis Method of Steel Containment of Floating Nuclear Power Plant." In Springer Proceedings in Physics. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-1023-6_88.

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AbstractFloating nuclear power plant (FNPP) is a movable nuclear power plant built on the floating platform, which can provide clean and stable power for remote coastal areas, and are currently a hot research topic in the field of nuclear power. The steel containment is located in the reactor compartment of the FNPP and it is an important safety guarantee structure. Fatigue and fracture have been an important issue for ship and offshore structures for a long time. Fatigue failure of containment will have serious consequences.In order to research the fatigue life analysis method of steel contai
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Liu, Chenyu, Anlin Wang, and Xiaotian Li. "Thermal Robustness Redesign of Electromagnet Under Multi-Physical Field Coupling." In Lecture Notes in Mechanical Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-1876-4_21.

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AbstractAiming at the durability problem of the proportional electromagnet used in the proportional valve of engineering machinery, in order to improve its thermal failure resistance under random load conditions, a parametric redesign model of the proportional electromagnet was proposed based on the multi-physics coupling theory and robust optimization theory. This article takes the proportional electromagnet with a basin-type suction structure as the research object. The parameter model was verified through steady-state proportional electromagnet tests and temperature distribution tests. On t
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Titenko, Anatoliy, Lesya Demchenko, Vusal Huseynov, Mustafa Babanli, and Sayami Huseynov. "Structural Features and Mechanical Behavior of Pseudo-β-Ti–Mo–Sn Alloys As-Quenched and As-Aged for Biomedical Application." In Springer Proceedings in Physics. Springer Nature Switzerland, 2024. https://doi.org/10.1007/978-3-031-67527-0_7.

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Anciya, S., A. S. I. Joy Sinthiya, P. Selvarajan, and R. Sree Devi. "Growth, Structural, Optical, Thermal and Mechanical Studies of a Novel Nickel Sulphate Admixtured Sulphamic Acid Single Crystals for Optical Applications." In Springer Proceedings in Physics. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-5141-0_14.

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Conference papers on the topic "Mechanical physics - structural"

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Lua, Jim, Kalyan Shrestha, Anand Karuppiah, Mark Timko, Scot Lund, and Rui Li. "Multi-Physics Modeling and Planning Tool for Tailoring of Quenching Process of Representative Airframe Structural Components." In Vertical Flight Society 81st Annual Forum and Technology Display. The Vertical Flight Society, 2025. https://doi.org/10.4050/f-0081-2025-389.

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Quenching is the most critical step in the sequence of heat-treating operations, aiming to preserve the solid solution formed at the solution heat-treating temperature by rapidly cooling the material to near room temperature. Currently, there is no reliable, performance-informed quenching process that can consistently reduce the high scrap rate of airframe aluminum forging parts, which often suffer from significant residual stress and distortion. This limitation stems from the complex interactions between temperature, phase transformations, and stress/strain behavior—each influenced by the evo
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Choi, Na-Yeon, and Sung-Uk Zhang. "Optimized Design and Analysis of Bonding Wire in Power Modules Through Electric-Thermal-Structural and Electromagnetic Simulations." In 2025 26th International Conference on Thermal, Mechanical and Multi-Physics Simulation and Experiments in Microelectronics and Microsystems (EuroSimE). IEEE, 2025. https://doi.org/10.1109/eurosime65125.2025.11006529.

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Bi, Yuchen. "Inversion of the spatially dependent mechanical field based on PIGNNs." In Structural Health Monitoring. Materials Research Forum LLC, 2025. https://doi.org/10.21741/9781644903513-36.

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Abstract. Deep learning (DL) is a promising approach to predicting physical phenomena, and has been widely researched in the inversion of the spatially dependent mechanical field due to their remarkable fitting abilities. The traditional physics-informed neural networks (PINNs) disregard the locality of physical evolution processes, which makes the model results lack representation ability and effectiveness. Physics-informed graph neural networks (PIGNNs) can adapt to various types of two-dimensional unstructured grids due to their flexible manipulative data, which enhances the interpretabilit
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Cunningham, Beth A. "Condensed Matter-Structural, Mechanical, and Thermal Properties." In WOMEN IN PHYSICS: 4th IUPAP International Conference on Women in Physics. AIP, 2013. http://dx.doi.org/10.1063/1.4795255.

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Michal, Ondrej, Pavel Trnka, Pavel Prosr, Jiri Kopriva, and Jaroslav Hornak. "Mechanical and structural characterization of novel polyesterimide nanocomposites." In APPLIED PHYSICS OF CONDENSED MATTER (APCOM 2024). AIP Publishing, 2024. http://dx.doi.org/10.1063/5.0234045.

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Manikandan, M. R., G. Vijayaprasath, G. Anandha babu, G. Bhagavannarayan, N. Vijayan, and G. Ravi. "Structural and mechanical studies of cadmium manganese thiocyanate crystal." In SOLID STATE PHYSICS: Proceedings of the 56th DAE Solid State Physics Symposium 2011. AIP, 2012. http://dx.doi.org/10.1063/1.4710482.

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Ahirwar, Ashok K., Mahendra Aynyas, and S. P. Sanyal. "High pressure structural, mechanical and thermal properties of BaPo compound." In SOLID STATE PHYSICS: Proceedings of the 56th DAE Solid State Physics Symposium 2011. AIP, 2012. http://dx.doi.org/10.1063/1.4709887.

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NICHIFOR, ALEXANDRU, and YONGZHI QU. "KOOPMAN OPERATOR BASED FAULT DIAGNOSTIC METHODS FOR MECHANICAL SYSTEMS." In Structural Health Monitoring 2021. Destech Publications, Inc., 2022. http://dx.doi.org/10.12783/shm2021/36299.

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Traditionally, dynamical systems can be simulated with physics-based model when the design parameters and material property are pre-known. However, when a system is deployed in field and has suffered potential degradation, a physics-based model might be infeasible to obtain. Moreover, the non-linearity and unknown coupling between the system and contacting constraints are often hard to determine accurately. The analysis of those systems becomes practically problematic. In this paper, the Koopman operator is used to learn and represent a dynamic system in a data driven manner. This paper propos
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Hesse, Rachel E., and Andrew W. Hulton. "Structural Acoustic Physics Based Modeling of Curved Composite Shells." In ASME 2017 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/imece2017-71733.

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Understanding sound wave propagation through a curved shell geometry is essential for a wide variety of underwater applications. The objective of this study was to use physics-based modeling (PBM) to investigate wave propagations through curved shells that are subjected to acoustic excitation. An improved understanding of the absorption and reflection properties of materials, such as fiber-reinforced polymer (FRP) composites, will enhance the design methods for a variety of Navy products such as acoustic sensors, acoustic windows, and unmanned underwater vehicles. The research documented in th
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Kapoor, Pooja, Munish Sharma, A. Kumar, S. K. Chandel, and P. K. Ahluwalia. "Structural, electronic and mechanical properties of alloyed Au-Cu monolayer." In DAE SOLID STATE PHYSICS SYMPOSIUM 2016. Author(s), 2017. http://dx.doi.org/10.1063/1.4980290.

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Reports on the topic "Mechanical physics - structural"

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Riley, Mark, and Akis Pipidis. The Mechanical Analogue of the "Backbending" Phenomenon in Nuclear-structure Physics. Florida State University, 2008. http://dx.doi.org/10.33009/fsu_physics-backbending.

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This short pedagogical movie illustrates an effect in nuclear physics called backbending which was first observed in the study of the rotational behavior of rapidly rotating rare-earth nuclei in Stockholm, Sweden in 1971. The video contains a mechanical analog utilizing rare-earth magnets and rotating gyroscopes on a turntable along with some historic spectra and papers associated with this landmark discovery together with its explanation in terms of the Coriolis induced uncoupling and rotational alignment of a specific pair of particles occupying high-j intruder orbitals. Thus backbending rep
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Francis, Andrew, Chas Jandu, and Mike Taylor. PR-408-124500-R01 Mechanical Damage Instantaneous Failure Model Numerical Simulation of Physical Tests. Pipeline Research Council International, Inc. (PRCI), 2013. http://dx.doi.org/10.55274/r0010819.

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The overall objective was to develop two models for determining the effect of mechanical damage on the structural integrity of buried pipelines. The models that are to be developed are the instantaneous failure model (MD4-3) and the delayed failure model (MD4-4). The subject of this report is part of the work that has been undertaken in support of the development of the instantaneous failure model which is being undertaken within the remit of MD4-3. The overall objective of MD4-3 to produce a closed form expression that will be used as: (i) A Limit State Function in structural reliability and
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Barnes, Eftihia, Jennifer Jefcoat, Erik Alberts, et al. Synthesis and characterization of biological nanomaterial/poly(vinylidene fluoride) composites. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/42132.

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The properties of composite materials are strongly influenced by both the physical and chemical properties of their individual constituents, as well as the interactions between them. For nanocomposites, the incorporation of nano-sized dopants inside a host material matrix can lead to significant improvements in mechanical strength, toughness, thermal or electrical conductivity, etc. In this work, the effect of cellulose nanofibrils on the structure and mechanical properties of cellulose nanofibril poly(vinylidene fluoride) (PVDF) composite films was investigated. Cellulose is one of the most a
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Perdigão, Rui A. P., and Julia Hall. Spatiotemporal Causality and Predictability Beyond Recurrence Collapse in Complex Coevolutionary Systems. Meteoceanics, 2020. http://dx.doi.org/10.46337/201111.

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Causality and Predictability of Complex Systems pose fundamental challenges even under well-defined structural stochastic-dynamic conditions where the laws of motion and system symmetries are known. However, the edifice of complexity can be profoundly transformed by structural-functional coevolution and non-recurrent elusive mechanisms changing the very same invariants of motion that had been taken for granted. This leads to recurrence collapse and memory loss, precluding the ability of traditional stochastic-dynamic and information-theoretic metrics to provide reliable information about the n
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Thurston, Alison, Zoe Courville, Lauren Farnsworth, et al. Microscale dynamics between dust and microorganisms in alpine snowpack. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/40079.

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Dust particles carry microbial and chemical signatures from source regions to deposition regions. Dust and its occupying microorganisms are incorporated into, and can alter, snowpack physical properties including snow structure and resultant radiative and mechanical properties that in turn affect larger-scale properties, including surrounding hydrology and maneuverability. Microorganisms attached to deposited dust maintain genetic evidence of source substrates and can be potentially used as bio-sensors. The objective of this study was to investigate the impact of dust-associated microbial depo
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Jarram, Paul, Phil Keogh, and Dave Tweddle. PR-478-143723-R01 Evaluation of Large Stand Off Magnetometry Techniques. Pipeline Research Council International, Inc. (PRCI), 2015. http://dx.doi.org/10.55274/r0010841.

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Monitoring the integrity of buried ageing ferromagnetic pipelines is a significant problem for infrastructure operators. Typically inspection relies on pig surveys, lDCVG, CIPS and contact NDT methods that often require pipes to be uncovered and often at great expense. This report contains the results of trials carried out on a controlled test bed using a novel remote sensing technique known as Stress Concentration Tomography (SCT) which claims to be capable of detecting corrosion, metal defects and the effects of ground movement by mapping variations in the earth's magnetic field around pipel
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Tzfira, Tzvi, Michael Elbaum, and Sharon Wolf. DNA transfer by Agrobacterium: a cooperative interaction of ssDNA, virulence proteins, and plant host factors. United States Department of Agriculture, 2005. http://dx.doi.org/10.32747/2005.7695881.bard.

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Agrobacteriumtumefaciensmediates genetic transformation of plants. The possibility of exchanging the natural genes for other DNA has led to Agrobacterium’s emergence as the primary vector for genetic modification of plants. The similarity among eukaryotic mechanisms of nuclear import also suggests use of its active elements as media for non-viral genetic therapy in animals. These considerations motivate the present study of the process that carries DNA of bacterial origin into the host nucleus. The infective pathway of Agrobacterium involves excision of a single-stranded DNA molecule (T-strand
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Tan, Peng, and Nicholas Sitar. Parallel Level-Set DEM (LS-DEM) Development and Application to the Study of Deformation and Flow of Granular Media. Pacific Earthquake Engineering Research Center, University of California, Berkeley, CA, 2023. http://dx.doi.org/10.55461/kmiz5819.

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We present a systematic investigation of computational approaches to the modeling of granular materials. Granular materials are ubiquitous in everyday life and in a variety of engineering and industrial applications. Despite the apparent simplicity of the laws governing particle-scale interactions, predicting the continuum mechanical response of granular materials still poses extraordinary challenges. This is largely due to the complex history dependence resulting from continuous rearrangement of the microstructure of granular material, as well as the mechanical interlocking due to grain morph
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Modlo, Yevhenii O., Serhiy O. Semerikov, Stanislav L. Bondarevskyi, Stanislav T. Tolmachev, Oksana M. Markova, and Pavlo P. Nechypurenko. Methods of using mobile Internet devices in the formation of the general scientific component of bachelor in electromechanics competency in modeling of technical objects. [б. в.], 2020. http://dx.doi.org/10.31812/123456789/3677.

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An analysis of the experience of professional training bachelors of electromechanics in Ukraine and abroad made it possible to determine that one of the leading trends in its modernization is the synergistic integration of various engineering branches (mechanical, electrical, electronic engineering and automation) in mechatronics for the purpose of design, manufacture, operation and maintenance electromechanical equipment. Teaching mechatronics provides for the meaningful integration of various disciplines of professional and practical training bachelors of electromechanics based on the concep
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Snyder, Victor A., Dani Or, Amos Hadas, and S. Assouline. Characterization of Post-Tillage Soil Fragmentation and Rejoining Affecting Soil Pore Space Evolution and Transport Properties. United States Department of Agriculture, 2002. http://dx.doi.org/10.32747/2002.7580670.bard.

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Tillage modifies soil structure, altering conditions for plant growth and transport processes through the soil. However, the resulting loose structure is unstable and susceptible to collapse due to aggregate fragmentation during wetting and drying cycles, and coalescense of moist aggregates by internal capillary forces and external compactive stresses. Presently, limited understanding of these complex processes often leads to consideration of the soil plow layer as a static porous medium. With the purpose of filling some of this knowledge gap, the objectives of this Project were to: 1) Identif
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