Готові списки джерел за темами / Hugoniot states

Добірка наукової літератури з теми "Hugoniot states"

Автор: Grafiati

Опубліковано: 10 грудня 2022

Оновлено: 28 січня 2023

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Статті в журналах з теми "Hugoniot states"

Wang, Yuntian, Xiangguo Zeng, Huayan Chen, Xin Yang, Fang Wang, and Jun Ding. "Hugoniot States and Mie–Grüneisen Equation of State of Iron Estimated Using Molecular Dynamics." Crystals 11, no. 6 (June 10, 2021): 664. http://dx.doi.org/10.3390/cryst11060664.

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The objective of this study was to develop a micromechanical approach for determining the Mie–Grüneisen EOS parameters of iron under the Hugoniot states. The multiscale shock technique (MSST) coupled with molecular dynamics (MD) simulations was employed to describe the shocked Hugoniot relation of single-crystal (SC) and nanocrystalline (NC) iron under high pressures. The Mie–Grüneisen equation of state (EOS) parameters, the cold pressure (Pc), the cold energy (Ec), the Grüneisen coefficient (γ), and the melting temperature (Tm) are discussed. The error between SC and NC iron results was found to be less than 1.5%. Interestingly, the differences in Hugoniot state (PH) and the internal energy between SC and NC iron were insignificant, which shows that the effect of grain size (GS) under high pressures was not significant. The Pc and Ec of SC and NC iron calculated based on the Morse potential were almost the same with those calculated based on the Born–Mayer potential; however, those calculated based on the Born–Mayer potential were a little larger at high pressures. In addition, several empirical and theoretical models were compared for the calculation of γ and Tm. The Mie–Grüneisen EOSs were shown on the 3D contour space; the pressure obtained with the Hugoniot curves as the reference was larger than that obtained with the cold curves as the reference.

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Yang, Xin, Xiangguo Zeng, Chuanjin Pu, Wenjun Chen, Huayan Chen, and Fang Wang. "Molecular dynamics modeling of the Hugoniot states of aluminum." AIP Advances 8, no. 10 (October 2018): 105212. http://dx.doi.org/10.1063/1.5050426.

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Kalita, Pat, Marcus D. Knudson, Tom Ao, Caroline Blada, Jerry Jackson, Jeffry Gluth, Heath Hanshaw, and Ed Scoglietti. "Shock compression of poly(methyl methacrylate) PMMA in the 1000 GPa regime: Z machine experiments." Journal of Applied Physics 133, no. 3 (January 21, 2023): 035902. http://dx.doi.org/10.1063/5.0128681.

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Hydrocarbon polymers are used in a wide variety of practical applications. In the field of dynamic compression at extreme pressures, these polymers are used at several high energy density (HED) experimental facilities. One of the most common polymers is poly(methyl methacrylate) or PMMA, also called Plexiglass® or Lucite®. Here, we present high-fidelity, hundreds of GPa range experimental shock compression data measured on Sandia’s Z machine. We extend the principal shock Hugoniot for PMMA to more than threefold compression up to 650 GPa and re-shock Hugoniot states up to 1020 GPa in an off-Hugoniot regime, where experimental data are even sparser. These data can be used to put additional constraints on tabular equation of state (EOS) models. The present results provide clear evidence for the need to re-examine the existing tabular EOS models for PMMA above ∼120 GPa as well as perhaps revisit EOSs of similar hydrocarbon polymers commonly used in HED experiments investigating dynamic compression, hydrodynamics, or inertial confinement fusion.

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Taylor, DeCarlos E. "Molecular dynamics simulation of the Hugoniot states of boron suboxide." Materials Letters 188 (February 2017): 331–33. http://dx.doi.org/10.1016/j.matlet.2016.11.118.

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BRENNAN, JOHN K., and BETSY M. RICE. "Efficient determination of Hugoniot states using classical molecular simulation techniques." Molecular Physics 101, no. 22 (November 20, 2003): 3309–22. http://dx.doi.org/10.1080/00268970310001636404.

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EHRT, JULIA, and JÖRG HÄRTERICH. "ASYMPTOTIC BEHAVIOR OF SPATIALLY INHOMOGENEOUS BALANCE LAWS." Journal of Hyperbolic Differential Equations 02, no. 03 (September 2005): 645–72. http://dx.doi.org/10.1142/s0219891605000579.

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We study the longtime behavior of spatially inhomogeneous scalar balance laws with periodic initial data and a convex flux. Our main result states that for a large class of initial data the entropy solution will either converge uniformly to some steady state or to a discontinuous time-periodic solution. This extends results of Lyberopoulos, Sinestrari and Fan and Hale obtained in the spatially homogeneous case. The proof is based on the method of generalized characteristics together with ideas from dynamical systems theory. A major difficulty consists of finding the periodic solutions which determine the asymptotic behavior. To this end we introduce a new tool, the Rankine–Hugoniot vector field, which describes the motion of a (hypothetical) shock with certain prescribed left and right states. We then show the existence of periodic solutions of the Rankine–Hugoniot vector field and prove that the actual shock curves converge to these periodic solutions.

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Fu, Zhijian, Xianming Zhang, Rui Wang, Huayang Sun, Yangshun Lan, Jihong Xia, Zhiguo Li, and Jing Song. "Ab Initio Study of Structure and Transport Properties of Warm Dense Nitric Oxide." Inorganics 10, no. 8 (August 18, 2022): 120. http://dx.doi.org/10.3390/inorganics10080120.

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The structure, equation of state and transport properties of warm dense nitric oxide (NO) were investigated in wide density and temperature ranges by ab initio molecular dynamics simulations. Both the Perdew–Burke–Ernzerhof (PBE) and the strongly constrained and appropriately normed functional with revised Vydrov–van Voorhis nonlocal correlation (SCAN−rVV10) functionals were used in the simulations, and the pressures predicted by the SCAN−rVV10 functional were found to be systematically lower than those predicted using PBE and experimental data along the shock Hugoniot curve. Along the Hugoniot curve, as density increased, we found that the system transformed towards a mixture of atomic nitrogen and oxygen liquids with molecular NO that remained present up to the highest densities explored. The electrical conductivity along Hugoniot indicated that nonmetal to metal transition had taken place. We also calculated the electrical and thermal conductivities of nitric oxide in the warm dense matter regime, and used them to compute the Lorentz number. In addition, we also report the electronic density of states.

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GODWAL, B. K., R. S. RAO, A. K. VERMA, M. SHUKLA, H. C. PANT, and S. K. SIKKA. "Equation of state of condensed matter in laser-induced high-pressure regime." Laser and Particle Beams 21, no. 4 (October 2003): 523–28. http://dx.doi.org/10.1017/s0263034603214075.

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We have simulated the shock Hugoniot of copper and uranium based on the results of first principles electronic structure calculations. The room temperature isotherm has been obtained by evaluating the accurate ground state total energies at various compressions, and the thermal and electronic excitation contributions were obtained by adopting isotropic models using the results obtained by the band structure calculations. Our calculations ensure smooth consideration of pressure ionization effects as the relevant core states are treated in the semi-core form at the ambient pressure. The pressure variation of the electronic Grüneisen parameter was estimated for copper using the band structure results, which leads to good agreement of the simulated shock Hugoniot with the measured shock data. The simulation results obtained for U are also compared with the experimental data available in literature and with our own data.

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LIU, GAOMIN, FUPING ZHANG, JINMEI DU, HUA TAN, and HONGLIANG HE. "PHASE TRANSITION AND CURRENT PROPERTIES OF PZT 95/5-2NB FERROELECTRIC CERAMIC UNDER DYNAMIC LOADING." International Journal of Modern Physics B 22, no. 09n11 (April 30, 2008): 1171–76. http://dx.doi.org/10.1142/s0217979208046499.

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The high density ferroelectric ceramic with composition near Pb 0.99( Zr 0.95 Ti 0.05)0.98 Nb 0.02 O 3 ( PZT 95/5-2 Nb ) has been studied under dynamic loading. To characterize its ferroelectric-to-antiferroelectric(FE/AFE) phase transition under shock wave compression, reverse-impact experiments were conducted to determine the Hugoniot states of poled and unpoled PZT 95/5-2 Nb , and the shock-induced depoling currents were examined in an external circuit under short-circuit conditions for the poled PZT 95/5-2 Nb . The Hugoniot data and current results identify that the phase transition of FE/AFE has occured in the stress range of 0.4 GPa~1.8 GPa. In the phase transition stress range, the measured short-circuit currents show the increasing of rise time and the decreasing of final levels with the increase of shock stress.

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GAVRILYUK, S. L., and R. SAUREL. "Rankine–Hugoniot relations for shocks in heterogeneous mixtures." Journal of Fluid Mechanics 575 (March 2007): 495–507. http://dx.doi.org/10.1017/s0022112006004496.

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The conservation of mass, momentum and energy are not sufficient to close a system of jump relations for shocks propagating in a heterogeneous mixture of compressible fluids. We propose here a closed set of relations corresponding to a two-stage structure of shock fronts. At the first stage, microkinetic energy due to the relative motion of mixture components is produced at the shock front. At the second stage, this microkinetic energy disappears inducing strong variations in the thermodynamical states that reach mechanical equilibrium. The microkinetic energy produced at the shock front is estimated by using an idea developed earlier for turbulent shocks in compressible fluids. The relaxation zone between the shocked state and the equilibrium state is integrated over a thermodynamic path a justification of which is provided. Comparisons with experiments on shock propagation in a mixture of condensed materials confirm the proposed theory.

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Більше джерел

Дисертації з теми "Hugoniot states"

Colin-Lalu, Pierre. "Étude de l'équation d'état des matériaux ablateurs des capsules du Laser Mégajoule." Thesis, Université Paris-Saclay (ComUE), 2016. http://www.theses.fr/2016SACLX054/document.

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Cette thèse s’inscrit dans le cadre de recherches menées sur la fusion par confinement inertiel (FCI). En particulier, l’étude proposée ici s’est concentrée sur les équations d’état tabulées de deux matériaux ablateurs synthétisés sur les capsules du Laser Mégajoule. Le but est alors de tester la modélisation théorique implémentée dans ces tables. Nous avons concentré notre étude sur un domaine restreint du diagramme de phase caractérisé par des pressions de quelques mégabars et de températures de quelques électronvolts qui peut être atteint sur des installations laser de tailles moyennes.Pour ce faire, nous nous sommes basés sur le modèle QEOS, car il est simple d’utilisation, paramétrable et donc facilement modifiable.Nous avons ensuite appliqué les méthodes de la dynamique moléculaire quantique pour générer la courbe froide et les courbes d’Hugoniot des deux matériaux étudiés. Ces calculs ont notamment mis en avant l’influence de la dissociation chimique sur la forme de ces courbes. Une comparaison avec le modèle QEOS a montré un écart important sur l’Hugoniot. Une modification de ce modèle, à travers le coefficient de Grüneisen, nous a ensuite permis de restituer les effets observés et d’étudier leurs impacts sur la chronométrie des chocs dans une capsule de FCI.Parallèlement à cette étude numérique, nous avons mesuré des états thermodynamiques le long de l’Hugoniot lors de trois campagnes sur les installations laser LULI2000 et GEKKO XII. L’utilisation de diagnostics VISAR et d’un diagnostic d’émission propre, nous a alors permis de sonder la matière sous choc. En outre, les données expérimentales ont confirmé les précédents résultats.En outre, cette étude a été réalisée sur deux matériaux ablateurs différents parmi lesquels on distingue le polymère non dopé CHO et le polymère dopé au silicium CHOSi. Elle montre un comportement universel de ces matériaux le long de l’Hugoniot
This PhD thesis enters the field of inertial confinement fusion studies. In particular, it focuses on the equation of state tables of ablator materials synthetized on LMJ capsules. This work is indeed aims at improving the theoretical models introduced into the equation of state tables. We focused in the Mbar-eV pressure-temperature range because it can be access on kJ-scale laser facilities.In order to achieve this, we used the QEOS model, which is simple to use, configurable, and easily modifiable.First, quantum molecular dynamics (QMD) simulations were performed to generate cold compression curve as well as shock compression curves along the principal Hugoniot. Simulations were compared to QEOS model and showed that atomic bond dissociation has an effect on the compressibility. Results from these simulations are then used to parametrize the Grüneisen parameter in order to generate a tabulated equation of state that includes dissociation. It allowed us to show its influence on shock timing in a hydrodynamic simulation.Second, thermodynamic states along the Hugoniot were measured during three experimental campaigns upon the LULI2000 and GEKKO XII laser facilities. Experimental data confirm QMD simulations.This study was performed on two ablator materials which are an undoped polymer CHO, and a silicon-doped polymer CHOSi. Results showed universal shock compression properties

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Creel, Emory Myron Willett. "The effect of void distribution on the Hugoniot state of porous media." Thesis, 1995. http://hdl.handle.net/1957/34912.

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Shocked porous granular material experiences pressure dependent compaction. D. John Pastine introduced a model in which the degree of compaction is dependent on the pressure induced by the shock wave, the shear strength of the material, and the distribution of void sizes. In the past, the model could only be approximated. Using computational techniques and higher speed computers, the response of this model to void size distributions may be displayed to a high degree of precision.
Graduation date: 1996

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Книги з теми "Hugoniot states"

Creel, Emory Myron Willett. The effect of void distribution on the Hugoniot state of porous media. 1995.

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Shock wave data for minerals. [Washington, D.C: National Aeronautics and Space Administration, 1994.

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Частини книг з теми "Hugoniot states"

McQueen, R. G., S. P. Marsh, and J. N. Fritz. "Hugoniot equation of state of twelve rocks." In Elastic Properties and Equations of State, 199–236. Washington, D. C.: American Geophysical Union, 1988. http://dx.doi.org/10.1029/sp026p0199.

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Sikka, S. K. "Shock Hugoniot Equation of State - Electron Band Theory Approach." In Shock Waves in Condensed Matter, 71–84. Boston, MA: Springer US, 1986. http://dx.doi.org/10.1007/978-1-4613-2207-8_6.

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Nagayama, Kunihito. "Equation of State for Water Based on the Shock Hugoniot Data." In Frontiers of Shock Wave Research, 201–12. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-90735-8_12.

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"Hugoniot Measurement Methods." In Selected Topics in Shock Wave Physics and Equation of State Modeling, 126–30. WORLD SCIENTIFIC, 1994. http://dx.doi.org/10.1142/9789814350273_0007.

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"Hugoniot Equations of State to 0.5 TPa." In Shock Waves, 125–85. PUBLISHED BY IMPERIAL COLLEGE PRESS AND DISTRIBUTED BY WORLD SCIENTIFIC PUBLISHING CO., 2005. http://dx.doi.org/10.1142/9781860947490_0005.

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Zhang, Xianfeng, and Wei Xiong. "Hugoniot equation of state (EOS) for MESMs." In Shock Compression and Chemical Reaction of Multifunctional Energetic Structural Materials, 23–42. Elsevier, 2022. http://dx.doi.org/10.1016/b978-0-12-819520-8.00003-5.

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"Hugoniots for Porous Materials." In Selected Topics in Shock Wave Physics and Equation of State Modeling, 121–25. WORLD SCIENTIFIC, 1994. http://dx.doi.org/10.1142/9789814350273_0006.

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GROVER, R., F. REE, and N. HOLMES. "EQUATION-OF-STATE FROM SiO2 AEROGEL HUGONIOT DATA." In Shock Compression of Condensed Matter–1991, 95–98. Elsevier, 1992. http://dx.doi.org/10.1016/b978-0-444-89732-9.50022-4.

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"Hugoniot Relations for Shock Waves with Curved Surfaces." In Selected Topics in Shock Wave Physics and Equation of State Modeling, 34–38. WORLD SCIENTIFIC, 1994. http://dx.doi.org/10.1142/9789814350273_0002.

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Costa, Fernando S., and César A. Q. Gonzáles. "Chapman-Jouguet Combustion Waves in Van Der Waals and Noble-Abel Gases." In Energetic Materials Research, Applications, and New Technologies, 51–78. IGI Global, 2018. http://dx.doi.org/10.4018/978-1-5225-2903-3.ch003.

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This chapter adopts the Chapman-Jouguet approach to derive jump conditions across combustion waves propagating in Van der Waals and Noble-Abel gases. The steady one-dimensional balance equations of mass, momentum and energy, assuming different properties of reactants and products, are applied to obtain the main properties of combustion waves, including velocities, Mach numbers, pressures and temperatures, in terms of the covolumes and intermolecular force parameters. In general, the effects of covolumes are more significant than the effects of the intermolecular attraction forces on Hugoniot curves and on properties of combustion waves. However, theoretical results using the Van der Waals equation of state matched more closely the experimental results for detonations of mixtures of propane and diluted air at high initial pressures.

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Тези доповідей конференцій з теми "Hugoniot states"

Lane, J. M. D. "Numerical Method for Shock Front Hugoniot States." In SHOCK COMPRESSION OF CONDENSED MATTER - 2005: Proceedings of the Conference of the American Physical Society Topical Group on Shock Compression of Condensed Matter. AIP, 2006. http://dx.doi.org/10.1063/1.2263330.

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Mulford, R. N., D. C. Swift, N. E. Lanier, J. Workman, R. L. Holmes, P. Graham, A. Moore, et al. "IMPROVED EOS FOR DESCRIBING HIGH-TEMPERATURE OFF-HUGONIOT STATES IN EPOXY." In SHOCK COMPRESSION OF CONDENSED MATTER - 2007: Proceedings of the Conference of the American Physical Society Topical Group on Shock Compression of Condensed Matter. AIP, 2008. http://dx.doi.org/10.1063/1.2833245.

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Alexander, C. S. "Influence of Shock Wave Measurement Technique on the Determination of Hugoniot States." In SHOCK COMPRESSION OF CONDENSED MATTER - 2005: Proceedings of the Conference of the American Physical Society Topical Group on Shock Compression of Condensed Matter. AIP, 2006. http://dx.doi.org/10.1063/1.2263546.

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Johnson, Christopher R., and John P. Borg. "Dynamic response of graphene and yttria-stabilized zirconia (YSZ) composites." In 2019 15th Hypervelocity Impact Symposium. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/hvis2019-042.

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Abstract A series of dynamic compaction studies were performed on yttria-stabilized zirconia (YSZ) and graphene composites using uniaxial flyer plate impact experiments. Studies aimed to characterize variation in dynamic behavior with respect to morphological differences for eight powdered YSZ and graphene compositions. Parameters of interest included YSZ particle size (nanometer or micrometer) and added graphene content (graphene weight percentage: 0%, 1%, 3%, 5%). Experiments were performed over impact velocities ranging between 315 and 586 m/s, resulting in pressures between 0.8 and 2.8 GPa. Hugoniot states measured appear to exhibit dependence on particle size and graphene content. Shock velocities tended to increase with graphene content and were generally larger in magnitude for the micrometer particle size YSZ. Compacted densities tended to increase as graphene content was increased and were generally larger in magnitude for the micrometer particle size YSZ samples. Resulting Hugoniot curves are compared and summarized to convey the dynamic behavior of the specimens.

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Hall, C. A., L. C. Chhabildas, and W. D. Reinhart. "Shock Hugoniot and release states in concrete mixtures with different aggregate sizes from 3 to 23 GPa." In The tenth American Physical Society topical conference on shock compression of condensed matter. AIP, 1998. http://dx.doi.org/10.1063/1.55638.

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Alemela, Panduranga Reddy, Dan Fanaca, Florian Ettner, Christoph Hirsch, Thomas Sattelmayer, and Bruno Schuermans. "Flame Transfer Matrices of a Premixed Flame and a Global Check With Modelling and Experiments." In ASME Turbo Expo 2008: Power for Land, Sea, and Air. ASMEDC, 2008. http://dx.doi.org/10.1115/gt2008-50111.

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In this paper alternative ways to obtain the thermo-acoustical characteristics of perfectly premixed flames given by their flame transfer matrix (FTM) is investigated. In particular a model based data reduction procedure which greatly reduces the experimental effort and therefore enables to provide this flame data for many more operation points than previously possible is proposed and validated. It is shown how the acoustic pressure field measured from two forcing states using the multi microphone method leads to the determination of the direct experimental FTM. The next relatively simpler method shown is the hybrid method which is based on Rankine-Hugoniot relations and the experimental flame transfer function (FTF) from OH*-chemiluminescence measurements for heat release fluctuations. Later to obtain the FTM using a network model based on Rankine-Hugoniot relations and an n-τ-σ FTF model representing the flame by regression analysis of the acoustical measurements is presented. Experimental results for the direct experimental FTM and the hybrid FTM are compared with the model based result. The results indicate very good consistency between the direct, hybrid and model based techniques providing a global check of the methods/tools used for analysing the thermoacoustic mechanisms of flames.

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Raimondo, Lucio, Lorenzo Iannucci, Paul Robinson, Paul T. Curtis, and Garry M. Wells. "Shock Modelling of Multi-Phase Materials: Advances and Challenges." In ASME 2005 Pressure Vessels and Piping Conference. ASMEDC, 2005. http://dx.doi.org/10.1115/pvp2005-71700.

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This paper presents part of an ongoing programme of work on high velocity impact modelling on composite targets. The modelling approach aims to link existing low velocity constitutive failure models, including delamination modelling, with relevant orthotropic Equations Of State models. A methodology for predicting the Hugoniot states (shock velocity vs. particle velocity) of multi-phase materials at high compression is presented. The Gruneisen parameter of the mixture is also derived. The proposed approach is a step toward a full thermodynamic virtual characterisation of untested multi-phase materials, when tabulated shock data for the constituents is available [1]. Other approaches have been proposed [2], [3]; however, they require complex Finite Element coding and iterative procedures and are limited to two-phase materials. The approach is critically discussed in relation to shock data derived from existing flyer plate impact test data. An orthotropic Equation of State [4] has also been implemented into the LS-DYNA3D code. A flyer plate test is simulated using the implemented model, and with material parameters derived using the theory of mixture approach. The current orthotropic Equation of State formulation is discussed, within the limitation of classical Lagrangian FE techniques. Additionally, conclusions are drawn on the logical next step to model high velocity angled impacts onto orthotropic targets.

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Sano, Yukio, Tomokazu Sano, Mark Elert, Michael D. Furnish, Ricky Chau, Neil Holmes, and Jeffrey Nguyen. "UNSTEADY STATE RANKINE-HUGONIOT JUMP CONDITIONS." In SHOCK COMPRESSION OF CONDENSED MATTER - 2007: Proceedings of the Conference of the American Physical Society Topical Group on Shock Compression of Condensed Matter. AIP, 2008. http://dx.doi.org/10.1063/1.2833027.

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Vahora, A. Y., Prakruti Chaudhari, R. H. Joshi, N. K. Bhatt, and B. Y. Thakore. "Shock Hugoniot phase transition of SiC." In SOLID STATE PHYSICS: Proceedings of the 58th DAE Solid State Physics Symposium 2013. AIP Publishing LLC, 2014. http://dx.doi.org/10.1063/1.4872499.

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Trott, B. Dale, Gregg K. Fenton, and Harvey N. Ebersole. "Hugoniot equation of state of liquid propellant." In Proceedings of the conference of the American Physical Society topical group on shock compression of condensed matter. AIP, 1996. http://dx.doi.org/10.1063/1.50808.

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Звіти організацій з теми "Hugoniot states"

Hall, C. A., L. C. Chhabildas, and W. D. Reinhart. Shock Hugoniot and release states in concrete mixtures with different aggregate sizes from 3 to 23 GPa. Office of Scientific and Technical Information (OSTI), September 1997. http://dx.doi.org/10.2172/642736.

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Carter, W. J., and S. P. Marsh. Hugoniot equation of state of polymers. Office of Scientific and Technical Information (OSTI), July 1995. http://dx.doi.org/10.2172/95183.

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Hobbs, M. L. Using corresponding state theory to obtain intermolecular potentials to calculate pure liquid shock Hugoniots. Office of Scientific and Technical Information (OSTI), December 1997. http://dx.doi.org/10.2172/658131.

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Grinfeld, Michael. The Operational Equations of State, 3: Recovery of the EOS for Hydrocode From the Measured Heat Capacity, Isentrope, and Hugoniot Adiabat. Fort Belvoir, VA: Defense Technical Information Center, July 2012. http://dx.doi.org/10.21236/ada568935.

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