中文
相关论文

相关论文: CUDA programs for solving the time-dependent dipol…

200 篇论文

Relativistic fluid dynamics is a major component in dynamical simulations of the quark-gluon plasma created in relativistic heavy-ion collisions. Simulations of the full three-dimensional dissipative dynamics of the quark-gluon plasma with…

计算物理 · 物理学 2018-03-02 Dennis Bazow , Ulrich W. Heinz , Michael Strickland

The alternating direction method of multipliers (ADMM) is a powerful operator splitting technique for solving structured convex optimization problems. Due to its relatively low per-iteration computational cost and ability to exploit…

最优化与控制 · 数学 2020-06-09 Michel Schubiger , Goran Banjac , John Lygeros

A discontinuous Galerkin method for the discretization of the compressible Euler equations, the governing equations of inviscid fluid dynamics, on Cartesian meshes is developed for use of Graphical Processing Units via OCCA, a unified…

计算物理 · 物理学 2020-09-01 Andrew C. Kirby , Dimitri J. Mavriplis

Two different methods are proposed for the generation of wide classes of exact solutions to the stationary Gross - Pitaevskii equation (GPE). The first method, suggested by the work by Kondrat'ev and Miller (1966), applies to…

量子气体 · 物理学 2015-05-18 Boris A. Malomed , Yury A. Stepanyants

We introduce a CUDA-Accelerated Timestepper for Alpha Particles Using Local Tricubics (CATAPULT) for use in Monte Carlo calculations of alpha particle confinement in stellarators. Our GPU implementation is significantly faster than existing…

计算物理 · 物理学 2026-04-13 Michael Czekanski , Alexey R. Knyazev , David Bindel , Elizabeth J. Paul

We propose in this paper a Proper Generalized Decomposition (PGD) solver for reduced-order modeling of linear elastodynamic problems. It primarily focuses on enhancing the computational efficiency of a previously introduced PGD solver based…

计算工程、金融与科学 · 计算机科学 2024-05-15 Clément Vella , Pierre Gosselet , Serge Prudhomme

The Gross-Pitaevskii equation (GP), that describes the wave function of a number of coherent Bose particles contained in a trap, contains the cube of the normalized wave function, times a factor proportional to the number of coherent atoms.…

原子物理 · 物理学 2013-07-16 George Rawitscher

In this work, we propose and develop an arbitrary-order adaptive discontinuous Petrov-Galerkin (DPG) method for the nonlinear Grad-Shafranov equation. An ultraweak formulation of the DPG scheme for the equation is given based on a minimal…

数值分析 · 数学 2020-07-14 Zhichao Peng , Qi Tang , Xian-Zhu Tang

With large-scale Integral Field Spectroscopy (IFS) surveys of thousands of galaxies currently under-way or planned, the astronomical community is in need of methods, techniques and tools that will allow the analysis of huge amounts of data.…

天体物理仪器与方法 · 物理学 2015-12-22 Georgios Bekiaris , Karl Glazebrook , Christopher J. Fluke , Roberto Abraham

We study certain stationary and time-evolution problems of trapped Bose-Einstein condensates using the numerical solution of the Gross-Pitaevskii equation with both spherical and axial symmetries. We consider time-evolution problems…

软凝聚态物质 · 物理学 2009-11-07 Sadhan K. Adhikari , Paulsamy Muruganandam

We present a derivation and theoretical investigation of the Adams-Bashforth and Adams-Moulton family of linear multistep methods for solving ordinary differential equations, starting from a Gaussian process (GP) framework. In the limit,…

数值分析 · 数学 2018-10-10 Onur Teymur , Konstantinos Zygalakis , Ben Calderhead

Coarse Grid Projection (CGP) methodology is used to accelerate the computations of sets of decoupled nonlinear evolutionary and linear static equations. In CGP, the linear equations are solved on a coarsened mesh compared to the nonlinear…

计算物理 · 物理学 2019-04-30 Ali Kashefi

This paper proposes a GPU-accelerated optimization framework for collision avoidance problems where the controlled objects and the obstacles can be modeled as the finite union of convex polyhedra. A novel collision avoidance constraint is…

机器人学 · 计算机科学 2024-06-12 Zeming Wu , Zhuping Wang , Hao Zhang

We present and distribute a parallel finite-element toolbox written in the free software FreeFem for computing the Bogoliubov-de Gennes (BdG) spectrum of stationary solutions to one- and two-component Gross-Pitaevskii (GP) equations, in two…

量子气体 · 物理学 2024-04-02 Georges Sadaka , Pierre Jolivet , Efstathios G. Charalampidis , Ionut Danaila

We present the results of gravitational direct $N$-body simulations using the Graphics Processing Unit (GPU) on a commercial NVIDIA GeForce 8800GTX designed for gaming computers. The force evaluation of the $N$-body problem is implemented…

天体物理学 · 物理学 2008-11-26 Robert G. Belleman , Jeroen Bedorf , Simon Portegies Zwart

We present a way to combine Vlasov and two-fluid codes for the simulation of a collisionless plasma in large domains while keeping full information of the velocity distribution in localized areas of interest. This is made possible by…

等离子体物理 · 物理学 2015-05-20 M. Rieke , T. Trost , R. Grauer

Over the past decade there has been a growing interest in the development of parallel hardware systems for simulating large-scale networks of spiking neurons. Compared to other highly-parallel systems, GPU-accelerated solutions have the…

神经元与认知 · 定量生物学 2021-02-22 Bruno Golosio , Gianmarco Tiddia , Chiara De Luca , Elena Pastorelli , Francesco Simula , Pier Stanislao Paolucci

In the present paper, we consider the discontinuous Galerkin (DG) methods for solving short pulse (SP) type equations. The short pulse equation has been shown to be completely integrable, which admits the loop-soliton, cuspon-soliton…

数值分析 · 数学 2019-10-23 Qian Zhang , Yinhua Xia

We present an algorithm specifically tailored for solving kinetic equations onto GPUs. The efficiency of the algorithm is demonstrated by solving the one-dimensional shock wave structure problem and a two-dimensional low Mach number driven…

计算物理 · 物理学 2012-05-03 Aldo Frezzotti , Gian Pietro Ghiroldi , Livio Gibelli

Solutions of the classical and nonlocal Gross-Pitaevskii (GP) equation with a parabolic potential and a gain term are derived by using a second order nonisospectral Ablowitz-Kaup-Newell-Segur system and reduction technique of double…

可精确求解与可积系统 · 物理学 2020-12-30 Shi-min Liu , Hua Wu , Da-jun Zhang