テスト

Radiation Hydrodynamics with HMCS
CP-PACS: Hydrodynamics + Radiation
GRAPE-6 : Gravity
Computer
Method
Physics
Hydrodynamics
CP-PACS
Radiation
SPH
(Smoothed Particle Hydrodynamics)
Radiative Transfer Solver
Self-Gravity
GRAPE- 6
Direct Summation
SPH
 Superposition of extended karnels
 Full Lagrange method in 3D
Radiative Transfer Solver
P5
P3
Source
Target
P2
E4
E1
E2
P1
E3
E5
P4
Radiation Hydrodynamical Simulation
on Galaxy Formation
Cosmic
Time
Big Bang
3D Radiation SPH
Calculation
10-44 sec
Results
 Elliptical galaxies forms under
strong UV
Cosmic Recombination
0.1Myr
Cosmic Reionization
0.5Gyr
 Spiral galaxies forms under
strong UV
Weak UV
Initial
Strong UV
Initial
Galaxy Formation
2Gyr
Final
Final
15Gyr
(Present Day)
White dots are stars and red
dots are ionized gas.

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