Results 21 to 30 of about 1,600,748 (340)

Pressure–strain interaction. I. On compression, deformation, and implications for Pi-D [PDF]

open access: yesPhysics of Plasmas, 2022
The pressure–strain interaction describes the rate per unit volume that energy is converted between bulk flow and thermal energy in neutral fluids or plasmas.
P. Cassak, M. H. Barbhuiya
semanticscholar   +1 more source

Context-Aware Image Compression. [PDF]

open access: yesPLoS ONE, 2016
We describe a physics-based data compression method inspired by the photonic time stretch wherein information-rich portions of the data are dilated in a process that emulates the effect of group velocity dispersion on temporal signals.
Jacky C K Chan   +3 more
doaj   +1 more source

COMPRESSION OF PINWISE NUCLIDE CONCENTRATIONS IN CMS5 [PDF]

open access: yesEPJ Web of Conferences, 2021
Pinwise nuclide number density (ND) data from the lattice physics code CASMO5 is compressed using a preconditioned truncated singular value decomposition (TSVD) to reduce storage requirements.
Hykes Joshua
doaj   +1 more source

Simulation of open quantum systems by automated compression of arbitrary environments [PDF]

open access: yesNature Physics, 2021
Studies of the dynamics of open quantum systems are limited by the large Hilbert space of typical environments, which is too large to be treated exactly.
M. Cygorek   +6 more
semanticscholar   +1 more source

Compression aware physical database design [PDF]

open access: yesProceedings of the VLDB Endowment, 2011
Modern RDBMSs support the ability to compress data using methods such as null suppression and dictionary encoding. Data compression offers the promise of significantly reducing storage requirements and improving I/O performance for decision support queries.
Manoj Syamala   +2 more
openaire   +3 more sources

Energy Equality in Compressible Fluids with Physical Boundaries [PDF]

open access: yesSIAM Journal on Mathematical Analysis, 2020
We study the energy balance for weak solutions of the three-dimensional compressible Navier--Stokes equations in a bounded domain. We establish an $L^p$-$L^q$ regularity conditions on the velocity field for the energy equality to hold, provided that the density is bounded and satisfies $\sqrt \in L^\infty_t H^1_x$.
Zhilei Liang   +3 more
openaire   +3 more sources

1.9 μm Few-Cycle Pulses Based on Multi-Thin-Plate Spectral Broadening and Nonlinear Self-Compression

open access: yesIEEE Photonics Journal, 2021
In attosecond and strong-field physics, the acquisition of few-cycle laser sources open up a new area. We report a nonlinear pulse compression technology combining multi-thin-plate spectral broadening and nonlinear self-compression that generates a 0.52 ...
Beijie Shao   +6 more
doaj   +1 more source

Supernovae: An example of complexity in the physics of compressible fluids [PDF]

open access: yesThe European Physical Journal E, 2014
Workshop in Honor of Paul Manneville, Paris (2013)
Pomeau, Yves   +3 more
openaire   +4 more sources

Image and video compression of fluid flow data [PDF]

open access: yesTheoretical and Computational Fluid Dynamics, 2022
We study the compression of spatial and temporal features in fluid flow data using multimedia compression techniques. The efficacy of spatial compression techniques, including JPEG and JPEG2000 (JP2), and spatiotemporal video compression techniques ...
Vishal Anatharaman   +3 more
semanticscholar   +1 more source

A mechanism for reduced compression in indirectly driven layered capsule implosions

open access: yesPhysics of Plasmas, 2022
High-yield implosions on the National Ignition Facility rely on maintaining low entropy in the deuterium–tritium fuel, quantified by its adiabat, in order to efficiently couple energy to the hot spot through high compression of the fuel layer. We present
B. Haines   +6 more
semanticscholar   +1 more source

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