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DOE/SciDAC Supernova Science Center (SNSC)

DOE/SciDAC Supernova Science Center (SNSC)

DOE/SciDAC Supernova Science Center (SNSC). S. Woosley (UCSC), A. Burrows (UA), C. Fryer (LANL), R. Hoffman (LLNL)+ 20 researchers. Outline. Institutions and Core Projects Codes, Simulation Capabilities, ISICS, Platforms, Visualization List of Major Accomplishments to date

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342 views • 33 slides
Multi-group Model

Multi-group Model

Multi-group Model. Calculate group-averaged: Or for, we need group-averaged. Multi-group Model. Group-averaged parameters? ENDF. Integrate term by term over groups and equate to equation of multi-group model. Units!. Multi-group Model. Define group flux. ?. Multi-group Model. ?.

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476 views • 32 slides
Multi-group Model

Multi-group Model

Multi-group Model. Calculate group-averaged: Or for, we need group-averaged. Multi-group Model. Group-averaged parameters? ENDF. Integrate term by term over groups and equate to equation of multi-group model. Units!. Multi-group Model. Define group flux. ?. Multi-group Model. ?.

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516 views • 32 slides
Multi-group Model

Multi-group Model

Multi-group Model. Wide neutron spectrum. One-group, two-group? Should be generalized. Fraction of an eV. Identify the terms, NOW. Multi-group Model. Fraction. Other sources. Scattering in. Total fission. Absorption. Scattering out. Leakage. Fraction of an eV. Multi-group Model.

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291 views • 26 slides
Radiative Transfer for Simulations of Stellar Envelope Convection

Radiative Transfer for Simulations of Stellar Envelope Convection

Radiative Transfer for Simulations of Stellar Envelope Convection. By Regner Trampedach 8/19/04. Hydro-dynamics. Solve Euler equations Conservation of: Mass: d ? / d t = - u ? ? ? - ? ? ? u Momentum: ? d u / d t = - ? u ? ? u + ? ( T - P gas ) + ? g

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301 views • 19 slides
Radiative Transfer for Simulations of Stellar Envelope Convection

Radiative Transfer for Simulations of Stellar Envelope Convection

Radiative Transfer for Simulations of Stellar Envelope Convection. By Regner Trampedach 8/19/04. Hydro-dynamics. Solve Euler equations Conservation of: Mass: d ? / d t = - u ? ? ? - ? ? ? u Momentum: ? d u / d t = - ? u ? ? u + ? ( T - P gas ) + ? g

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258 views • 19 slides
Dynamics of Liquid Wall Chambers

Dynamics of Liquid Wall Chambers

Dynamics of Liquid Wall Chambers. R.R. Peterson, I.E. Golovkin, and D.A. Haynes University of Wisconsin. ARIES Meeting Madison, WI April 22 and 23, 2002. Why Are Liquid Walls Considered When Gas-Protected Dry-Walls Can Work for Direct-Drive Laser Fusion and Are Simpler?.

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178 views • 17 slides

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