## 1.8. Sources

Additional source terms can be applied either to a volume defined by a subdomain, or to a point within a domain. A point source is actually implemented as a volumetric source within a single domain element whose center is nearest to the specified point.

This section describes:

- Momentum Sources
- General Sources
- Mass (Continuity) Sources
- Bulk Sources
- Radiation Sources
- Boundary Sources

For additional details, see Sources in the CFX-Solver Modeling Guide.

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