VISRAD overview

VISRAD major features

Includes an easy-to-use GUI

Documentation and reports

Platforms

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VISRAD Major Features

Supports design and modeling of experiments at major laser and pulsed power facilities:
 
National Ignition Facility (NIF) at Livermore National Lab
OMEGA Laser Facility at Univ. of Rochester
OMEGA-EP Laser System at Univ. of Rochester
Laser Megajoule (LMJ) near Bordeaux, France
ORION Laser System near Aldermaston, UK
Z Pulsed-Power Facility at Sandia National Labs
PLX Pulsed-Power Facility at Los Alamos National Labs
Supports convenient generation of grids for a variety of 2-D and 3-D primitives, as well as pre-configured cylindrical hohlraums and halfraums, and tetrahedral hohlraums.
Provides capability for surface removal (e.g., drilling holes in cylinders).
Conveniently provides views from diagnostic ports or any user-specified position.
Provides easy-to-use target building capability. Object positions and orientations can be specified in coordinate system of target chamber or any other target component.
Supports use of object-dependent material properties for:
 
Reflection of radiation (albedos).
Reflection of laser light (glint).
X-ray conversion efficiencies.
Provides 3-D interactive graphics for:
 
Target grid setup.
Laser beams and/or target component power sources.
Temperature and radiation flux distributions.
Includes power source modeling for:
 
Laser beam systems.
Self emission from target components.
Provides for easy viewing of laser beams intersections with target components.
Includes accurate algorithms for computing configuration factor integrals.
View factors include effects of occultation (i.e., blocking of light by intervening surface elements).
Provides easy-to-use set up of laser beams:
 
Pointing and focusing specified in coordinate system of target chamber or any target component.
Beam clustering allows convenient setup of beam parameters by group.
Shows results for individual surface elements chosen by easy mouse clicks, including temperatures, fluxes and incident spectrum.
Interfaces with other Prism software tools:
 
HELIOS, providing time- and frequency-dependent incident radiation flux data.
PrismPLOT: a graphics tool for generating line plots, color contour plots, and 3-D surface plots.
SPECT3D, providing time- and frequency-dependent incident radiation flux data.

VisRad main window.


Sample tetrahedral hohlraum grid.



Hohlraum radiation temperatures.



Incident flux on a sphere within an asymmetric enclosure.