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NX TMG Advanced Thermal

NX Advanced Thermal for Advanced Simulation environment is an add-on module to NX Thermal. It leverages the NX Thermal heat transfer solver to accurately and efficiently simulate complex thermal phenomenon.


Aplicaciones de NX Advanced Thermal

 NX Advanced Thermal solves practical engineering challenges such as:

  • Aero-heating (may require NX Advanced Flow).
  • Phase change and thermal ablation.
  • Thermal behaviour in high speed rotating equipment.
  • Joule heating under various electrical loads.
  • Laser and optical systems with ray-tracing.
  • Thermal refraction in optical and other participating media.
  • Infrared (IR) signature of large system in various environmental settings.
  • Diurnal environmental solar heating (including cloud, altitud, longitude and latitude effects, object orientation, pollution effects and other attenuation effects).
  • Implicit correlation-based free and forced convection heat transfer.
  • Hydraulic network heat transfer.
  • Specular, transmissive surfaces and other advanced radiation heat transfer applications.

 Main NX Advanced Thermal add-on features:

  • Motion and articulation modeling (multiple rotation and/or translation).
  • Additional optical material properties:
    • Electrical resistivity.
    • Phase change and ablation properties.
    • Extinction coefficient.
    • Refraction.
    • Bi-variate tables.
    • Transmissivity/specularity.
    • Angle dependent optical properties .
  • Multi-layer shell.
  • Diurnal heating:
    • Object shadowing, orientation and planet location.
    • Cloud, altitude, longitude and latitude, pollution, and other solar flux attenuation effects.
    • Correlational for solar flux taking into account altitude.
    • Multiple (or single) flux vectors, with a variable solar flux.
  • Peltier cooler modeling.
  • Electrical (Joule) heating.
  • Infrared (IR) signature modeling.
  • Thermostats PID controllers.
  • Additional thermal couplings for advanced assembly context modeling:
    • Join.
    • One Way heat transfer.
    • User defined.
    • Connection break or Series or T-junction.
    • Free and forced correlation-based convection couplings.
  • 1D duct and hydraulic network elements.
  • Additional radiation request types:
    • Among group.
    • Group to group.
    • Monte Carlo* calculation method.
    • Enhanced radiation with Ray Tracing.
  • Radiation patch controls.
  • Radiative heating.
  • Open architecture (user subroutines).
  • Restarts (Advanced controls).
  • Support to include external files.

 Monte Carlo Technology

  • Alternate method to compute view factors, radiative conductances, and environmental heat loads.
  • Provides capability to compute environmental and radiative heat loads directly, bypassing Oppenheim’s (radiosity) and Gebhardt’s methods.
  • Allows for the simulation of interaction of radiation with participating media, i.e., absorption and scattering of light through a semi-transparent solid.
  • Permits simulation of advanced optical properties:
    • Direction-dependent emissivity.
    • Bidirectional reflectance distribution functions (BRDF).
  • Fully compatible with other TMG radiation analysis methods.

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