How is an insulated boundary handled in the finite difference formulation of a problem? How does a symmetry line differ from an insulated boundary in the finite difference formulation?
What will be an ideal response?
In the finite difference formulation of a problem, an insulated boundary is best handled by replacing the insulation by a mirror, and treating the node on the boundary as an interior node. Also, a thermal symmetry line and an insulated boundary are treated the same way in the finite difference formulation.
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