Zobrazeno 1 - 10
of 226
pro vyhledávání: '"Mutsuto Kawahara"'
Autor:
Yuta Mochizuki, Mutsuto Kawahara
Publikováno v:
Cogent Engineering, Vol 5, Iss 1 (2018)
The purpose of this paper is to present a shape optimization method for the drag force reduction problem of an elliptic cylinder located in fluid flows. The fluid is assumed to be in an adiabatic state. The conservation equations of mass and momentum
Externí odkaz:
https://doaj.org/article/add149cb1e84459bb5e0e04ca7fb5478
Autor:
Ryo Hoshiko, Mutsuto Kawahara
Publikováno v:
Journal of Algorithms & Computational Technology, Vol 6 (2012)
To analyze the wind flow around a wind propeller is important in wind engineering. The wind tunnel experiment has issue of cost and time. Additionally, because the shape of a wind propeller influences energy efficiency, wind tunnel experiments must b
Externí odkaz:
https://doaj.org/article/cfe527c3987f42c78a2967dac1c67c69
Autor:
Kazuki Terachi, Mutsuto Kawahara
Publikováno v:
Journal of Algorithms & Computational Technology, Vol 6 (2012)
The purpose of this study is to find an optimal shape of a body located in viscous flows using the acoustic velocity method. The optimal shape is defined such as to minimize fluid forces acting on the body. The formulation is based on an optimal cont
Externí odkaz:
https://doaj.org/article/16605d6c4bf8481ebe7ebb25c48ac0e5
Autor:
Satoshi Yamamoto, Mutsuto Kawahara
Publikováno v:
Journal of Algorithms & Computational Technology, Vol 6 (2012)
The purpose of this paper is to investigate an identification method of magnitude of blasting force using the Kalman filter finite element method. The identification is carried out with estimation at the same time. Acceleration is estimated using act
Externí odkaz:
https://doaj.org/article/6a11de6af983471ea1d8ff52753b1578
Autor:
Daisuke Yamazaki, Mutsuto Kawahara
Publikováno v:
Journal of Algorithms & Computational Technology, Vol 4 (2010)
The purpose of this paper is a thermal optimal control problem using four types of minimization technique. The four types of minimization techniques are the weighted gradient method, the Newton based method, the modified steepest descent method and t
Externí odkaz:
https://doaj.org/article/838ab9fdf3f34227acf2ea54f4a00d3e
Autor:
Takuya Muroi, Mutsuto Kawahara
Publikováno v:
Journal of Algorithms & Computational Technology, Vol 3 (2009)
This paper discusses the numerical solution of the incompressible viscous flow by the fictitious domain method with distributed Lagrange multiplier. For the analysis of the finite element method, the mixed interpolation based on the bubble function i
Externí odkaz:
https://doaj.org/article/1e6f2f073c7c421d8ecc02714b8c5be7
Autor:
Ayako Kamikawa, Mutsuto Kawahara
Publikováno v:
Journal of Algorithms & Computational Technology, Vol 3 (2009)
In resent years, the progress of computer and numerical computation technique allows not only complex numerical simulations but also resolution of the inverse analysis including optimal control problem. It is important to pursue high quality of the g
Externí odkaz:
https://doaj.org/article/ee2c995c39ad43429a7b0eea7cd12f92
Autor:
Kazuki Ubukata, Mutsuto Kawahara
Publikováno v:
Journal of Algorithms & Computational Technology, Vol 3 (2009)
Element Free Galerkin Method (EFGM) is one of the effective computational methods in the mesh-free method, which does not require time-consuming mesh generation. This means that EFGM can be available for irregular nodes in the computational domain. T
Externí odkaz:
https://doaj.org/article/2c2a17fad22e4dbe97b3e727ed5fdcd7
Autor:
Kohei Fukuyama, Mutsuto Kawahara
Publikováno v:
International Journal of Computational Fluid Dynamics. 33:23-33
The purpose of this study is to analyze the density flow in adiabatic two-phase fluids through the characteristic finite element method. The fluids are assumed to be liquids. The equations of conse...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8f34d9f97972877944d0df53bbc9970a
https://doi.org/10.1080/10618562.2019.1567914
https://doi.org/10.1080/10618562.2019.1567914
Autor:
Mutsuto Kawahara, Ichiro Uchiyama
Publikováno v:
International Journal of Computational Fluid Dynamics. 32:59-67
In this paper, we present a shape optimisation method for wall structures due to the wave force induced by a solitary wave. The fluid is assumed to be incompressible. Introducing the adiabatic assu...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::accf85f3fc6dad4495504c4ec07efdf6
https://doi.org/10.1080/10618562.2018.1492716
https://doi.org/10.1080/10618562.2018.1492716