SPECT3D

SPECT3D Major Features

  • Computes spectra and ionization distributions of plasmas for the following geometries:
      • 1-D Cartesian (x)
      • 1-D cylindrical (r)
      • 1-D spherical (r)
      • 2-D Cartesian (x-y)
      • 2-D cylindrical (r-z)
      • 3-D Cartesian (x-y-z)
  • For a user-specified detector location, computes radiation fluxes, filtered images, monochromatic images, time-gated images, spectra, and streaked spectra.
  • Includes an easy-to-use graphical user interface for problem setup.
  • Includes graphics tools for visualizing the hydrocode data.
  • Includes Spect3D Visualizer graphics package for viewing results.
  • Includes on-line documentation, including direct access to Help pages from widgets.
  • Computes atomic level populations and spectra for LTE* and non-LTE plasmas.
  • Computes influence of external radiation field on populations and spectra.
  • Includes modeling for plasmas with non-Maxwellian electron distributions.
  • Computes absorption spectra for plasma/backlighter systems.
  • Supports solution of either steady-state or time-dependent atomic rate equations.
  • Includes the following atomic processes in collisional-radiative modeling:
      • Collisional ionization, recombination, excitation, and deexcitation
      • Photoionization and stimulated recombination
      • Photoexcitation and stimulated emission
      • Spontaneous decay
      • Radiative recombination
      • Dielectronic recombination, autoionization, and electron capture
  • Includes Doppler, natural (incl. autoionization contributions), and Stark broadening in line profile modeling**.
  • Utilizes ATBASE suite of atomic codes for supplying:
      • Photoionization cross-sections
      • Oscillator strengths
      • Collisional ionization cross-sections
      • Collisional excitation cross-sections
      • Atomic level energies and transition energies
      • Dielectronic recombination, autoionization, and electron capture rates
  • Includes the following atomic processes in collisional-radiative modeling:
      • Collisional ionization, recombination, excitation, and deexcitation
      • Photoionization and stimulated recombination
      • Photoexcitation and stimulated emission
      • Spontaneous decay
      • Radiative recombination
      • Dielectronic recombination, autoionization, and electron capture
  • Includes Doppler, natural (incl. autoionization contributions), and Stark broadening in line profile modeling.
  • Utilizes ATBASE suite of atomic codes for supplying:
      • Photoionization cross-sections
      • Oscillator strengths
      • Collisional ionization cross-sections
      • Collisional excitation cross-sections
      • Atomic level energies and transition energies
      • Dielectronic recombination, autoionization, and electron capture rates
      • Incorporates NIST atomic level energies and oscillator strengths when available
  • Interfaces with other Prism applications:
      • AtomicModelBuilder: a user-friendly tool for setting up custom atomic models
      • PlasmaGen: a plasma grid generation tool for generating user-specified temperature and density distributions
      • VisRad: a 3-D view factor code for supplying frequency-dependent incident radiation flux

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    * LTE = local thermodynamic equilibrium

    ** For prominent K-shell lines, Stark lineshapes are computed based on MERL code (L. Woltz, C. Hooper, Jr., Phys. Rev. A, Vol. 38, p. 4766 (1988) and R. Mancini, et al., Comp. Phys. Commun., Vol. 63, p. 314 (1991))