Search Results - "SHVARTS, D"

Self-Similar Multimode Bubble-Front Evolution of the Ablative Rayleigh-Taylor Instability in Two and Three Dimensions by Zhang, H, Betti, R, Yan, R, Zhao, D, Shvarts, D, Aluie, H

“…The self-similar nonlinear evolution of the multimode ablative Rayleigh-Taylor instability (ARTI) is studied numerically in both two and three dimensions. It…”
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Demonstration of Scale-Invariant Rayleigh-Taylor Instability Growth in Laser-Driven Cylindrical Implosion Experiments by Sauppe, J P, Palaniyappan, S, Tobias, B J, Kline, J L, Flippo, K A, Landen, O L, Shvarts, D, Batha, S H, Bradley, P A, Loomis, E N, Vazirani, N N, Kawaguchi, C F, Kot, L, Schmidt, D W, Day, T H, Zylstra, A B, Malka, E

“…Rayleigh-Taylor instability growth is shown to be hydrodynamically scale invariant in convergent cylindrical implosions for targets that varied in radial…”
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How high energy fluxes may affect Rayleigh–Taylor instability growth in young supernova remnants by Kuranz, C. C., Park, H.-S., Huntington, C. M., Miles, A. R., Remington, B. A., Plewa, T., Trantham, M. R., Robey, H. F., Shvarts, D., Shimony, A., Raman, K., MacLaren, S., Wan, W. C., Doss, F. W., Kline, J., Flippo, K. A., Malamud, G., Handy, T. A., Prisbrey, S., Krauland, C. M., Klein, S. R., Harding, E. C., Wallace, R., Grosskopf, M. J., Marion, D. C., Kalantar, D., Giraldez, E., Drake, R. P.

“…Energy-transport effects can alter the structure that develops as a supernova evolves into a supernova remnant. The Rayleigh–Taylor instability is thought to…”
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Improvment of a Double-Helical Roll Pass Design for Rolling 100-mm Grinding Balls by Shvarts, D. L., Galim’yanov, I. K.

“…Grinding balls with a standard diameter of 100 mm are typically manufactured using double-helical rolls. The rolling of balls with design setting parameters is…”
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Computer Simulation of a New Two-Threaded Roll Pass Design for Rolling 100 mm Grinding Balls Made of Alloyed Steels by Shvarts, D. L., Galimyanov, I. K., Semenov, A. A.

“…The production of 100 mm grinding balls using rolls with double-threaded pass design and a discretely variable pitch is characterized by increased roll wear,…”
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Concept of Optimal Bar Roll Pass Design. Report 4. Optimization of Roll Pass Design Scheme by Mikhailenko, A. M., Shvarts, D. L.

“…This study considers roll pass design from the standpoint of system-level analysis within the UrFU concept of optimal roll pass design developed at the…”
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Computer Simulation of Double-Threaded Rolling in Production of Grinding Balls with a Diameter of 100 mm from Alloy Steels by Shvarts, D. L., Galim’yanov, I. K., Semenov, A. A.

“…At the moment, two-way rolls are used when rolling balls with a nominal diameter of 100 mm. In the process of rolling balls, due to the use of two-pass…”
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Tuning Parameters of a Ball-Rolling Mill for Rolling of Grinding Balls by Shvarts, D. L., Galim’yanov, I. K., Rubtsov, V. Yu

“…—For rolling of balls, one of the main parameters for both calculating passes and developing a model for a roll is the roll spacing at the crossing point…”
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Observation of Single-Mode, Kelvin-Helmholtz Instability in a Supersonic Flow by Wan, W C, Malamud, G, Shimony, A, Di Stefano, C A, Trantham, M R, Klein, S R, Shvarts, D, Kuranz, C C, Drake, R P

“…We report the first observation, in a supersonic flow, of the evolution of the Kelvin-Helmholtz instability from a single-mode initial condition. To obtain…”
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Rayleigh-Taylor growth measurements in the acceleration phase of spherical implosions on OMEGA by Smalyuk, V A, Hu, S X, Hager, J D, Delettrez, J A, Meyerhofer, D D, Sangster, T C, Shvarts, D

“…The Rayleigh-Taylor (RT) growth of 3D broadband nonuniformities was measured using x-ray radiography in spherical plastic shells accelerated by laser light at…”
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Monoenergetic-proton-radiography measurements of implosion dynamics in direct-drive inertial-confinement fusion by Li, C K, Séguin, F H, Rygg, J R, Frenje, J A, Manuel, M, Petrasso, R D, Betti, R, Delettrez, J, Knauer, J P, Marshall, F, Meyerhofer, D D, Shvarts, D, Smalyuk, V A, Stoeckl, C, Landen, O L, Town, R P J, Back, C A, Kilkenny, J D

“…Time-gated, monoenergetic radiography with 15-MeV protons provides unique measurements of implosion dynamics in direct-drive inertial-confinement fusion…”
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Rolling of rail profiles in a universal groove. Part 2 by Shvarts, D. L.

“…MathCAD software is used to solve the variation problem formulated in part 1 regarding the rolling of rail in universal grooves. On that basis, the laws…”
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Rolling of rail profiles in a universal groove. Part 1 by Shvarts, D. L.

“…A mathematical model of the shaping of metal on rail rolling in universal grooves is developed by variation so as to minimize the total power consumption,…”
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Generalized measurable ignition criterion for inertial confinement fusion by Chang, P Y, Betti, R, Spears, B K, Anderson, K S, Edwards, J, Fatenejad, M, Lindl, J D, McCrory, R L, Nora, R, Shvarts, D

“…A multidimensional measurable criterion for central ignition of inertial-confinement-fusion capsules is derived. The criterion accounts for the effects of…”
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New Variational Solutions for the Rolling of Flanged Sections in Universal Roll Passes by Shvarts, D. L., Nepryakhin, S. O., Shilov, V. A.

“…The variational principle of minimum total power and modern computational means are used to describe the deformation of metal in and to determine the…”
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Aspects of the Rolling of Long Rails on a Universal Rail-Beam Mill by Shilov, V. A., Shvarts, D. L., Skosar’, E. O.

“…The temperature fields and stress state of the metal during the rolling of long R65 rails on a modern universal rail-beam mill are modeled in the software…”
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Power Laws and Similarity of Rayleigh-Taylor and Richtmyer-Meshkov Mixing Fronts at All Density Ratios by Alon, U, Hecht, J, Ofer, D, Shvarts, D

“…The nonlinear evolution of large structure in Rayleigh-Taylor and Richtmyer-Meshkov bubble and spike fronts is studied numerically and explained theoretically…”
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Role of hot-electron preheating in the compression of direct-drive imploding targets with cryogenic D2 ablators by Smalyuk, V A, Shvarts, D, Betti, R, Delettrez, J A, Edgell, D H, Glebov, V Yu, Goncharov, V N, McCrory, R L, Meyerhofer, D D, Radha, P B, Regan, S P, Sangster, T C, Seka, W, Skupsky, S, Stoeckl, C, Yaakobi, B, Frenje, J A, Li, C K, Petrasso, R D, Séguin, F H

“…The compression of direct-drive, spherical implosions is studied using cryogenic D2 targets on the 60-beam, 351-nm OMEGA laser with intensities ranging from…”
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Shock-wave mach-reflection slip-stream instability: a secondary small-scale turbulent mixing phenomenon by Rikanati, A, Sadot, O, Ben-Dor, G, Shvarts, D, Kuribayashi, T, Takayama, K

“…Theoretical and experimental research, on the previously unresolved instability occurring along the slip stream of a shock-wave Mach reflection, is presented…”
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Validation of thermal-transport modeling with direct-drive, planar-foil acceleration experiments on OMEGA by Hu, S X, Smalyuk, V A, Goncharov, V N, Skupsky, S, Sangster, T C, Meyerhofer, D D, Shvarts, D

“…We present for the first time the experimental validation of the nonlocal thermal-transport model for a National Ignition Facility relevant laser intensity of…”
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