## 2.10. Limitations

- For specified flux or heat transfer coefficient boundary conditions, the boundary solution data at integration points corresponds to conservative values instead of hybrid values. As a result, postprocessing evaluations of flux integrals and gradients of the solution variable over such boundaries may be less accurate. This limitation does not affect solution data on nodes.

  The most affected cases are those that involve specified flux or heat transfer coefficient boundaries having any of the following features:

  - Heat transfer for laminar flows

  - Heat transfer for solid domains

  - Additional variables

  - Electric potential

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