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- Central European Institute of TechnologyCZ145 papers
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8 papers · 1 filter
An efficient iterative technique for solving initial value problem for multidimensional partial differential equations
Josef Rebenda, Zdeněk Šmarda
A new iterative technique is presented for solving of initial value problem for certain classes of multidimensional linear and nonlinear partial differential equations. Proposed it…
Dynamics of generalized PT-symmetric dimers with time periodic gain-loss
F. Battelli, J. Diblik, M. Feckan +3
A Parity-Time (PT)-symmetric system with periodically varying-in-time gain and loss modeled by two coupled Schrodinger equations (dimer) is studied. It is shown that the problem ca…
Weighted decomposition in high-performance lattice-Boltzmann simulations: are some lattice sites more equal than others?
Derek Groen, David Abou Chacra, Rupert W. Nash +3
Obtaining a good load balance is a significant challenge in scaling up lattice-Boltzmann simulations of realistic sparse problems to the exascale. Here we analyze the effect of wei…
Full-wave nonlinear ultrasound simulation on distributed clusters with applications in high-intensity focused ultrasound
Jiri Jaros, Alistair P. Rendell, Bradley E. Treeby
Model-based treatment planning and exposimetry for high-intensity focused ultrasound (HIFU) requires the numerical simulation of nonlinear ultrasound propagation through heterogene…
Aperiodic compression and reconstruction of real world material systems based on Wang tiles
Martin Doškář, Jan Novák, Jan Zeman
The paper presents a concept/technique to compress and synthesize complex material morphologies that is based on Wang tilings. Specifically, a microstructure is stored in a set of…
Non post-selected indistinguishable single photons generated by a quantum dot under resonant excitation
Léonard Monniello, Antoine Reigue, Richard Hostein +4
We report on two-photon interferences from highly indistinguishable single photons emitted by a quantum dot. Stricly resonant excitation with picosecond laser pulses allows coheren…