Large-scale topology optimization incorporating local-in-time adjoint-based method for unsteady thermal-fluid problem
K Yaji, M Ogino, C Chen, K Fujita - Structural and Multidisciplinary …, 2018 - Springer
This note briefly reports on the applicability of the local-in-time (LT) adjoint-based method to
a large-scale topology optimization problem with unsteady thermal-fluid. The basic idea of …
a large-scale topology optimization problem with unsteady thermal-fluid. The basic idea of …
[PDF][PDF] Seismic response analysis of nuclear pressure vessel model with ADVENTURE system on the Earth Simulator
M Ogino, R Shioya, H Kawai… - Journal of the Earth …, 2005 - jamstec.go.jp
We have been developing an advanced general-purpose computational mechanics system,
named ADVENTURE, which is designed to be able to analyze a three dimensional finite …
named ADVENTURE, which is designed to be able to analyze a three dimensional finite …
An inexact balancing preconditioner for large-scale structural analysis
M Ogino, R Shioya, H Kanayama - Journal of Computational Science …, 2008 - jstage.jst.go.jp
The balancing domain decomposition (BDD) method is a well-known preconditioner due to
its excellent convergence rate. The BDD method includes the Neumann-Neumann …
its excellent convergence rate. The BDD method includes the Neumann-Neumann …
Full wave analyses of electromagnetic fields with an iterative domain decomposition method
A Takei, SI Sugimoto, M Ogino… - IEEE Transactions …, 2010 - ieeexplore.ieee.org
This paper describes large-scale full wave analyses of electromagnetic fields by the finite-element
method with an iterative domain decomposition method (IDDM). A stationary vector …
method with an iterative domain decomposition method (IDDM). A stationary vector …
A scalable balancing domain decomposition based preconditioner for large scale heat transfer problems
AMM Mukaddes, M Ogino, H Kanayama… - … Journal Series B Fluids …, 2006 - jstage.jst.go.jp
An efficient and scalable Balancing Domain Decomposition (BDD) type preconditioner for
large scale linear systems arising from 3-dimensional heat transfer problems is presented. …
large scale linear systems arising from 3-dimensional heat transfer problems is presented. …
[HTML][HTML] A numerical study of iterative substructuring method for finite element analysis of high frequency electromagnetic fields
M Ogino, A Takei, S Sugimoto, S Yoshimura - Computers & Mathematics …, 2016 - Elsevier
This paper describes iterative methods for the high frequency electromagnetic analysis
using the finite element method of Maxwell equations including displacement current. The …
using the finite element method of Maxwell equations including displacement current. The …
Research on the convergence of iterative method using mixed precision calculation solving complex symmetric linear equation
K Masui, M Ogino - IEEE Transactions on Magnetics, 2019 - ieeexplore.ieee.org
This article investigates the complex symmetric linear equations that appear in high-frequency
electromagnetic-field analysis. As an efficient linear solver, we propose a mixed-precision …
electromagnetic-field analysis. As an efficient linear solver, we propose a mixed-precision …
High-accuracy electromagnetic field simulation using numerical human body models
…, K Murotani, SI Sugimoto, M Ogino… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
We have investigated a high-accuracy analysis for the electromagnetic field of numerical
human body models using the finite-element method. The numerical human body models …
human body models using the finite-element method. The numerical human body models …
[HTML][HTML] Performance improvements of differential operators code for MPS method on GPU
…, T Matsunaga, S Koshizuka, R Shioya, M Ogino… - Computational Particle …, 2015 - Springer
In the present study, performance improvements of the particle search and particle interaction
calculation steps constituting the performance bottleneck in the moving particle simulation …
calculation steps constituting the performance bottleneck in the moving particle simulation …
Finite element analysis with tens of billions of degrees of freedom in a high-frequency electromagnetic field
S SUGIMOTO, A TAKEI, M OGINO - Mechanical Engineering Letters, 2017 - jstage.jst.go.jp
This paper deals with finite element analysis involving tens of billions of degrees of freedom
(DOF) in a high-frequency electromagnetic field. The iterative substructuring method has …
(DOF) in a high-frequency electromagnetic field. The iterative substructuring method has …