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Boundary conditions > Thermal loads and constraints > Simcenter Samcef thermal loads

Surface Flux (Simcenter Samcef)

With the Surface Flux load, you can apply heat per unit area to 3D elements faces, 2D elements, edges of 2D elements, or 1D elements. The heat can be time and/or temperature dependent. You can also define a spatially distributed heat.

Where do I find it?

To define the surface flux, do one of the following:

  • In the Simulation Navigator, right-click Load ContainerNew LoadSurface Flux.

  • In the Simulation Navigator under a solution, right-click LoadsNew LoadSurface Flux.

  • Choose Home tab→Loads and Conditions group→Surface Flux .

  • Select geometry. Right-click and choose Create LoadSurface Flux.

Look up more details

Surface Flux dialog box (Simcenter Samcef Thermal)

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Surface Flux (Simcenter Samcef), Simcenter 3D 2021.1 Series

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Source: https://docs.sw.siemens.com/en-US/doc/289054037/PL20200601120302950.advanced/xid1131604 · retrieved 2026-07-17