7 OpenFOAM 6) OpenFOAM (Fujitsu PRIMERGY BX9, TFLOPS) Fluent 8) ( ) 9, 1) 11 13) OpenFOAM - realizable k-ε 1) Launder-Gibson 15) OpenFOAM 1.6 CFD ( )

Similar documents
非線形長波モデルと流体粒子法による津波シミュレータの開発 I_ m ρ v p h g a b a 2h b r ab a b Fang W r ab h 5 Wendland 1995 q= r ab /h a d W r ab h

: u i = (2) x i Smagorinsky τ ij τ [3] ij u i u j u i u j = 2ν SGS S ij, (3) ν SGS = (C s ) 2 S (4) x i a u i ρ p P T u ν τ ij S c ν SGS S csgs

NUMERICAL CALCULATION OF TURBULENT OPEN-CHANNEL FLOWS BY USING A MODIFIED /g-e TURBULENCE MODEL By Iehisa NEZU and Hiroji NAKAGA WA Numerical calculat

,, Mellor 1973),, Mellor and Yamada 1974) Mellor 1973), Mellor and Yamada 1974) 4 2 3, 2 4,

JFE.dvi

Natural Convection Heat Transfer in a Horizontal Porous Enclosure with High Porosity Yasuaki SHIINA*4, Kota ISHIKAWA and Makoto HISHIDA Nuclear Applie

第６２巻　第１号　平成２４年４月／石こうを用いた木材ペレット


, 3, STUDY ON IMPORTANCE OF OPTIMIZED GRID STRUCTURE IN GENERAL COORDINATE SYSTEM 1 2 Hiroyasu YASUDA and Tsuyoshi HOSHINO

TM

20 $P_{S}=v_{0}\tau_{0}/r_{0}$ (3) $v_{0}$ $r_{0}$ $l(r)$ $l(r)=p_{s}r$ $[3 $ $1+P_{s}$ $P_{s}\ll 1$ $P_{s}\gg 1$ ( ) $P_{s}$ ( ) 2 (2) (2) $t=0$ $P(t

空力騒音シミュレータの開発

IHIMU Energy-Saving Principle of the IHIMU Semicircular Duct and Its Application to the Flow Field Around Full Scale Ships IHI GHG IHIMU CFD PIV IHI M

[6] G.T.Walker[7] 1896 P I II I II M.Pascal[10] G.T.Walker A.P.Markeev[11] M.Pascal A.D.Blackowiak [12] H.K.Moffatt T.Tokieda[15] A.P.Markeev M.Pascal

$arrow$ $\yen$ T (Yasutala Nagano) $arrow$ $\yen$ ?,,?,., (1),, (, ).,, $\langle$2),, (3),.., (4),,,., CFD ( ),,., CFD,.,,,

Venkatram and Wyngaard, Lectures on Air Pollution Modeling, m km 6.2 Stull, An Introduction to Boundary Layer Meteorology,

７章　構造物の応答値の算定

133 1.,,, [1] [2],,,,, $[3],[4]$,,,,,,,,, [5] [6],,,,,, [7], interface,,,, Navier-Stokes, $Petr\dot{o}$v-Galerkin [8], $(,)$ $()$,,

2). 3) 4) 1.2 NICTNICT DCRA Dihedral Corner Reflector micro-arraysdcra DCRA DCRA DCRA 3D DCRA PC USB PC PC ON / OFF Velleman K8055 K8055 K8055

<4D F736F F D208F4390B38DC58F49938A8D6595A CA90858D48985F95B F8F43959C82B382EA82BD B5F2E646F6378>

白山羊さんの宿題.PDF

Axisymmetric Finite Element Analysis for Sloshing Response of Floating Roofs in Cylindrical Storage Tanks Shoichi YOSHIDA*3,Kazuyoshi SEKINE and Tsuka

432..

第5章 偏微分方程式の境界値問題

23 Fig. 2: hwmodulev2 3. Reconfigurable HPC 3.1 hw/sw hw/sw hw/sw FPGA PC FPGA PC FPGA HPC FPGA FPGA hw/sw hw/sw hw- Module FPGA hwmodule hw/sw FPGA h

g µν g µν G µν = 8πG c 4 T µν (1) G µν T µν G c µ ν 0 3 (1) T µν T µν (1) G µν g µν 2 (1) g µν 1 1 描

空間多次元 Navier-Stokes 方程式に対する無反射境界条件

A Study on Throw Simulation for Baseball Pitching Machine with Rollers and Its Optimization Shinobu SAKAI*5, Yuichiro KITAGAWA, Ryo KANAI and Juhachi

64 3 g=9.85 m/s 2 g=9.791 m/s 2 36, km ( ) 1 () 2 () m/s : : a) b) kg/m kg/m k

The Plasma Boundary of Magnetic Fusion Devices

Microsoft Word - 15.宮崎貴紀子

(1) (2) (3) (4) (5) 2.1 ( ) 2

研究成果報告書

Optical Lenses CCD Camera Laser Sheet Wind Turbine with med Diffuser Pitot Tube PC Fig.1 Experimental facility. Transparent Diffuser Double Pulsed Nd:

D v D F v/d F v D F η v D (3.2) (a) F=0 (b) v=const. D F v Newtonian fluid σ ė σ = ηė (2.2) ė kl σ ij = D ijkl ė kl D ijkl (2.14) ė ij (3.3) µ η visco

DPA,, ShareLog 3) 4) 2.2 Strino Strino STRain-based user Interface with tacticle of elastic Natural ObjectsStrino 1 Strino ) PC Log-Log (2007 6)

Q = va = kia (1.2) 1.2 ( ) 2 ( 1.2) 1.2(a) (1.2) k = Q/iA = Q L/h A (1.3) 1.2(b) t 1 t 2 h 1 h 2 a

B HNS 7)8) HNS ( ( ) 7)8) (SOA) HNS HNS 4) HNS ( ) ( ) 1 TV power, channel, volume power true( ON) false( OFF) boolean channel volume int

Fig. 1. Horizontal displacement of the second and third order triangulation points accompanied with the Tottori Earthquake of (after SATO, 1973)

untitled

75 unit: mm Fig. Structure of model three-phase stacked transformer cores (a) Alternate-lap joint (b) Step-lap joint 3 4)

粒子法による流れの数値解析

Rate of Oxidation of Liquid Iron by Pure Oxygen Shiro BAN-YA and Jae-Dong SHIM Synopsis: The rate of oxidation of liquid iron by oxygen gas has been s

DEIM Forum 2009 C8-4 QA NTT QA QA QA 2 QA Abstract Questions Recomme

チャネル乱流における流体線の伸長

H10Masuki

Sample function Re random process Flutter, Galloping, etc. ensemble (mean value) N 1 µ = lim xk( t1) N k = 1 N autocorrelation function N 1 R( t1, t1

Transcription:

71 特集 オープンソースの大きな流れ Nonlinear Sloshing Analysis in a Three-dimensional Rectangular Pool Ken UZAWA, The Center for Computational Sciences and E-systems, Japan Atomic Energy Agency 1 1.1 ( ) (RIST) (ORNL/RSICC) 8 8 (DOE) MCNP( ) RELAP( ) MCNP RELAP TRACE &(erification & alidation ) erification alidation 77 8587 5-1-5 E-mail: uzawa.ken@jaea.go.jp erification 1) 1. ) 198 R.Stallman 199 Linux Apache, MySQL GNU OS 3 7) & &

7 OpenFOAM 6) OpenFOAM (Fujitsu PRIMERGY BX9, TFLOPS) Fluent 8) ( ) 9, 1) 11 13) OpenFOAM - realizable k-ε 1) Launder-Gibson 15) OpenFOAM 1.6 CFD ( ) 16 18) 3 3.1 1 (L, H, W )[m] (x,d )[m] 1[kg/m 3 ],.1[Pa s] 1[kg/m 3 ], 1 [Pa s] g 9.81[m/s ] (N x,n y,n z ) d L [m] W [m] y H [m] [m] x z x [m] 1 3. Martin 16)

73 (x,d ) = (.5715,.5715) [m] (x,d ) = (.8575,.5715) [m] (L,H,W)=(d, 15x,d ) (N x,n y,n z ) = (1, 75, 5) Martin Martin ( ) RKE LG LG RKE t =.35[s] t =.75[s] LG RKE LG LG [m] [m].7 (Martin).6.5 RKE LG..3..1.1..3..5...18.16.1.1.6 (Martin) RKE LG..5.1.15 [Pa] 15 1 5 experiment (Hu) laminar realizable RKE k-ε LG LG -5...6.8 1. 3 A t =.5[s] LG LG 3.3 Hu 19) Hu (x,d,l,h,w) = (.68,.1, 1.18,.,.1) [m] (N x,n y,n z )=(7, 96, 8) 3 A (x, y, z) = (1.18,.1,.6) [m] 8 ( ) RKE LG t =[s] t =.5[s] 3. - K = P + G +, (1)

7 K = P + G +, () K = P + G +. (3) P G K K d 1 = dt ρu i d, () P p = u i d, x i (5) G = u i ρgδ i d, (6) = u i µd ij d. x j (7) K,K d 1 = dt ρū i d, (8) P,P = p ū i d, x i (9) G,G = ū i ρgδ i d, (1) = = ū i ū i (µ t + µ)d ij d, (11) x j ( ρτ ij +µd ij )d. (1) x j ρ u i p g δ ij µ D ij = 1 ( ui ) x j + u j x i τ ij = ũ i ũ j 5 RKE (c)lg 5 RKE LG t=.35[s] Smagorinsky LES LG LES (N x,n y,n z )=(9, 19, 96) 5(d) LG LES LG RKE 5 K G P...6 K P G...6 G K P -...6 5 3 1 K (LES) K (LES) (d) (c).1..3..5 ( )

75.1 6 (L, H, W )= (3.,.,.5)[m] (d,h)= (., 1.5)[m] d =1.5[m] 3 K-Net N-S ( 7) (N x, N y, N z ) = (16, 1, 5) 1). 8 RKE LG LES 8 t =5[s] RKE LG LES LG LES 1-1 [cm] - -3 L [m] W [m] - 1 3 5 [s] 5 6 [cm/s ] z 1 - y x x d [m] [m] h [m] H [m] 8 6 - -6-8 -1 5 1 15 5 [s] 8 t =5[s].3 9 RKE LG LES RKE LG LES 1 7 (3 K-Net N-S )

76 [Pa s]. 9 5 3 1 5 1 3 5 5 6 38 3 3 5 5 t =5[s] OpenFOAM 6 ( ) CAE 11 CAE ( ) K-NET K-NET 1) eye (, 1) 9-55. ) http://www.opensource.org/docs/osd 3) http://www.code-aster.org/ ) http://adventure.sys.t.u-tokyo.ac.jp/jp/ 5) http://www.csc.fi/english/pages/elmer 6) http://www.openfoam.com/ 7) http://www.ciss.iis.u-tokyo.ac.jp/rss1/theme/multi/fluid/ 8) Fire Service Act, Firefighting Hazards, No.1. 9) Muto, K., Kasai, Y., Nakahara, M. & Ishida, Y.: Experimental Tests on Sloshing Response of a Water Pool with Submergeb Blocks, Proc. Pressure essels and Piping Conference (1985) 9-1. 1) :,, 33B (1987) 79-9. 11) Huerta, A., Liu, W.K. & Gvildys, J.: Large amplitude sloshing with submerged blocks, Proc. Pressure essels and Piping Conference (1989) 13-18. 1) Sakai, M., Higashi, S., Sato, K. & Tanaka. N.: Nonlinear sloshing response evaluation method for rectangular tank with overflowing water, CRIEPI Report N631 (7). 13) Eguchi Y.: Development of SMART-slg to simulate sloshing in an oil tank with a floating roof, CRIEPI Report N75 (8). 1) Shih, T. -H., Liou, W. W., Shabbir, A., Yang, Z. & Zhu, J.: A New k ϵ Eddy iscosity Model for High Reynolds Number Turbulent Flows, Computers Fluids, (1995) 7-38. 15) Gibson, G. G. & Launder, B. E.: Ground effects on pressure fluctuations in the atmospheric boundary layer, J. Fluid. Mech., 85 (1978) 91-511. 16) Martin, J.C. & Moyce, W.J.: PartI. An experimental study of the collapse of liquid columns on a rigid horizontal plane, Phil. Trans. R. Soc. Lond. A, (195) 31-3. 17) Koshizuka, S., Tamako, H. & Oka, Y.: A particle method for incompressible viscous flow with fluid fragmentation, Computational Fluid Mechanics Journal, 113 (1995) 13-17. 18) Chanson, H.: Analytical Solutions of Laminar and Turbulent Dam Break Wave, Proc. Intl Conf. Fluvial Hydraulics River Flow 6, A3 (6) 65-7. 19) Hu, C.: A CIP-based method for numerical simulations of violent free surface flows, J. Mar. Sci. Technol, 9 () 13-157.

2026 © docsplayer.net プライバシー | 利用規約 | フィードバック