Cobham

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Thermal simulation determines either the steady state (final temperature) or transient temperature rise due to given heat sources. Couple with electromagnetics and/or stress for multiphysics analysis including thermal expansion.

Thermal simulation determines either the steady state (final temperature) or transient temperature rise due to given heat sources. The sources can either be specified by the user, or can be due to electromagnetic heating computed with other Opera-3d analysis modules, and imported to the thermal simulation.

 

The thermal conductivity tensor, density, thermal capacity and heat source density can be temperature dependent (leading to non-linear behaviour) and may also be specified as a function of spatial position.

 

Boundary conditions are primarily used to specify the coupling of the thermal system to its surroundings. A range of conditions are available including a general non-linear transfer condition that can be used to model radiation.

 

Features include:

  1. Non-linear thermal materials
  2. Various boundary conditions including:
    1. perfect insulator
    2. fixed temperature
    3. heat flux
    4. heat-transfer to fixed temperature medium
    5. radiation
    6. general non-linear transfer condition
  3. Thermal contact boundary
  4. Display of temperature, temperature gradient and heat flux distribution
    Import of  heat sources from electromagnetic analysis - see Elektra and Scala

Thermal modelling is also used in multi-physics simulation, by coupling with other Opera-3d modules, when temperature dependent electromagnetic properties are significant.

 

 
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