Effective dynamic load balance using space-filling curves for large-scale SPH simulations on GPU-rich supercomputers

S Tsuzuki, T Aoki - 2016 7th Workshop on Latest Advances in …, 2016 - ieeexplore.ieee.org
Billion of particles are required to describe fluid dynamics by using smoothed particle
hydrodynamics (SPH), which computes short-range interactions among particles. In this …

Convergence study and optimal weight functions of an explicit particle method for the incompressible Navier–Stokes equations

Y Imoto, S Tsuzuki, D Nishiura - Computational Particle Mechanics, 2019 - Springer
To increase the reliability of simulations by particle methods for incompressible viscous flow
problems, convergence studies and improvements in accuracy are considered for a fully …

Truncation error estimates of approximate differential operators of a particle method based on the Voronoi decomposition

Y Imoto, D Tagami - JSIAM Letters, 2017 - jstage.jst.go.jp
Truncation errors are considered for approximate differential operators with a class of
particle methods. Introducing sufficient conditions for the weight function and a regularity of …

[PDF][PDF] 融合算法在高空间分辨率影像中的应用研究

陈向东, 邓江洪, 安国成 - 河南师范大学学报(自然科学版), 2019 - htu.edu.cn
为了分析非下采样Contourlet 变换(NonsubsampledContourletTransform, NSCT)
在高空间分辨率影像处理中的优势, 对影像降噪处理的具体过程进行分析, 得到二次采样 …

Truncation error estimates of approximate operators in a generalized particle method

Y Imoto - Japan Journal of Industrial and Applied Mathematics, 2020 - Springer
To facilitate the numerical analysis of particle methods, we derive truncation error estimates
for the approximate operators in a generalized particle method. Here, a generalized particle …

Unique solvability and stability analysis of a generalized particle method for a Poisson equation in discrete Sobolev norms

Y Imoto - Applications of Mathematics, 2019 - Springer
Unique solvability and stability analysis is conducted for a generalized particle method for a
Poisson equation with a source term given in divergence form. The general-ized particle …

Some Investigations of a Generalized Particle Method for Convection-Diffusion Equations

D TAGAMI, Y IMOTO - eccomas2016.org
ABSTRACT A generalized particle method is considered for convection-diffusion equations.
In Imoto–Tagami [1], the generalized particle method has been introduced as a class of …

Error analysis of approximate operators for a particle method based on Voronoi diagram

H Koba, K Sato - Analysis, 2023 - degruyter.com
This paper considers several approximate operators used in a particle method based on a
Voronoi diagram. We introduce and study our approximate operators on gradient and …

Some Investigations of a Time-explicit Generalized Particle Method for the incompressible Navier–Stokes Equations

D TAGAMI, Y IMOTO - congress.cimne.com
When introducing an implicit scheme in time based on the predictor-corrector method for the
incompressible Navier–Stokes equations, we need to solve the pressure Poisson equation …

Numerical Analysis of a Generalized Particle-Based Method for Convection-Diffusion Equations and its Application

D TAGAMI - Book of Abstracts ENUMATH 2017 - bora.uib.no
Numerical analysis of a generalized particle method is considered for convection-diffusion
equations. A generalized particle method have been introduced as a class of particle …