Boundary conditions > Thermal loads and constraints > Simcenter Samcef thermal loads
Volume Flux (Simcenter Samcef)
With the Volume Flux load, you can apply heat per unit of volume to 3D elements, 2D elements, edges of 2D elements, or 1D elements. The load can be time and/or temperature dependent. You can also define a spatially distributed load.
Where do I find it?
To define the volume flux, do one of the following:
In the Simulation Navigator, right-click Load Container→New Load→Volume Flux.
In the Simulation Navigator under a solution, right-click Loads→New Load→Volume Flux.
Choose Home tab→Loads and Conditions group→Volume Flux .
Select geometry. Right-click and choose Create Load→Volume Flux.
Look up more details
Volume Flux dialog box (Simcenter Samcef Thermal)
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Volume Flux (Simcenter Samcef), Simcenter 3D 2021.1 Series
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Source: https://docs.sw.siemens.com/en-US/doc/289054037/PL20200601120302950.advanced/xid1131605 · retrieved 2026-07-17