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Steady-state density preserving method for stochastic mechanical systems
We devise a numerical method for the long-term integration of a class of damped second order stochastic mechanical systems. The introduced numerical...
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Variable Coefficients and Nonlinear Problems
This chapter discusses the conservation and stability of difference schemes for linear and nonlinear model equations with variable coefficients. For...
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Hard X-ray polarimetry—an overview of the method, science drivers, and recent findings
The last decade has seen a leapfrog in the interest of X-ray polarimetry with a number of new polarization measurements in hard X-rays from AstroSat ,...
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Initial Boundary Value Problems
This chapter first discusses the initial boundary value problems in the advection and diffusion equations. The corresponding schemes to deal with the...
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Method
Numerical simulations are the most powerful tool to investigate resultant shapes of asteroids produced through various collisional events. To conduct...
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Characteristics of Heavy-Ion Fragmentation Reactions at Fermi Energies
AbstractHeavy-ion-induced projectile fragmentation reactions at Fermi energies are of interest to investigate the properties of nuclei far from the...
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Quantitative algorithm for airborne gamma spectrum of large sample based on improved shuffled frog lea**–particle swarm optimization convolutional neural network
In airborne gamma ray spectrum processing, different analysis methods, technical requirements, analysis models, and calculation methods need to be...
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Explicit near-symplectic integrators for post-Newtonian Hamiltonian systems
Explicit symplectic integrators are powerful and widely used for Hamiltonian systems. However, once the post-Newtonian (PN) effect is considered to...
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The Use of the NAMI-DANCE Computational Complex on the Problem of Tsunami Waves
AbstractMathematical models that are applicable to the simulation of the generation and propagation of tsunami waves from different sources, that is,...
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Integrating the Equations of Motion
There are different approaches to apply classical mechanics, such as those developed by Newton, Lagrange, Hamilton, Hamilton-Jacobi, and Poisson. All...
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Velocity and Isotope Distributions of Projectile-Like Fragments in Reaction \({}^{40}\)Ar (36.5 A MeV)/\({}^{9}\)Be
AbstractIn heavy-ion-induced projectile fragmentation reactions at Fermi energies vast amount of different nuclides far from stability line are born....
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Viscoelastic—Plastic Deformation of Plates with Spatial Reinforcement Structures
A mathematical model of viscoelastic-plastic bending deformation of spatially reinforced plates is developed based on the time step method. The...
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Molecular Dynamic Study of Thermal Conductivity of Quasi-One-Dimensional Silicon Polyprismane
The thermal conductivity of silicon polyprismanes with sections in the form of regular pentagons and hexagons is studied by the method of...
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Elsa: enhanced latent spaces for improved collider simulations
Simulations play a key role for inference in collider physics. We explore various approaches for enhancing the precision of simulations using machine...
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Conserved energy–momentum tensor for real-time lattice simulations
We derive an expression for the energy–momentum tensor in the discrete lattice formulation of pure glue QCD. The resulting expression satisfies the...
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Modeling the complexity of elliptic black hole solution in 4D using Hamiltonian Monte Carlo with stacked neural networks
In this paper, we study the black hole solution of self-similar gravitational collapse in the Einstein-axion-dilaton system for the elliptic class in...
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Learning trivializing flows
The recent introduction of machine learning techniques, especially normalizing flows, for the sampling of lattice gauge theories has shed some hope...
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Influence of the Foucault Currents on Excitation of the Magnetic Field and Dynamics of Formation of Helical Electron Beams in Pulse Gyrotrons
We have developed a method for calculation of the pulsed magnetic field in a sophisticated system of solenoids powered by time-shifted current...