> ## Documentation Index
> Fetch the complete documentation index at: https://docs.ntop.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Surface Heat Flux

<CardGroup cols={2}>
  <Card title="Boundary, Scalar Field" href="#boundary-scalar-field" />

  <Card title="Cad faces, Scalar Field" href="#cad-faces-scalar-field" />
</CardGroup>

***

<h2 id="boundary-scalar-field">
  Boundary, Scalar Field
</h2>

Applies a distributed heat flux normal to selected boundary face entities.

### Inputs

| Name | Type | Description |
| - | - | - |
| Boundary | [Boundary](../../../../block-documentation/types/boundary) | The boundary faces to apply the heat flux. |
| Magnitude | [Scalar Field](../../../../block-documentation/types/scalar-field) | The distributed heat flux. |

### Outputs

| Type |
| - |
| [Heat Flux](../../../../block-documentation/types/heat-flux) |

***

<h2 id="cad-faces-scalar-field">
  Cad faces, Scalar Field
</h2>

Applies a distributed heat flux normal to the selected CAD faces.

### Inputs

| Name | Type | Description |
| - | - | - |
| Cad faces | [CAD Face List](../../../../block-documentation/types/cad-face) | The CAD faces. |
| Magnitude | [Scalar Field](../../../../block-documentation/types/scalar-field) | The distributed heat flux. |

### Outputs

| Type |
| - |
| [Heat Flux](../../../../block-documentation/types/heat-flux) |


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