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Samcef environment > Samcef solutions and analyses > Mapping solutions (Simcenter Samcef)

Axisymmetric thermal to 3D structural mapping (Simcenter Samcef)

To correctly map the axisymmetric thermal model onto the 3D structural model and interpolate the results, you must position the 3D structural model (defined in the global Cartesian coordinate system) onto the axisymmetric plane definition.

You do this in the Mapping solution, Axisymmetry page. You define:

  • A Local Thermal System of Reference.

  • A Local Structural System of Reference.

Defining the thermal system of reference

In the Local Thermal System of Reference (3 Node Numbers: .IT3 TNOE/TPOI), you define three nodes that define the local thermal system of reference.

You define the nodes either:

  • By their NodeID. The nodes numbers must exist in the thermal model.

  • By their Coordinates. From the thermal solution, the mapping solution fetches the three nodes that have the same coordinates as the ones you specify.

For more information, see the Samcef .IT3 command.

Defining the structural system of reference

In the Local Structural System of Reference (3 Node Numbers: .IT3 MNOE/MPOI), you define three nodes that define the local structural system of reference.

You define the nodes either by their NodeID or by their Coordinates.

For more information, see the Samcef .IT3 command.

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Axisymmetric thermal to 3D structural mapping (Simcenter Samcef), Simcenter 3D 2021.1 Series

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Source: https://docs.sw.siemens.com/en-US/doc/289054037/PL20200601120302950.advanced/xid1370442 · retrieved 2026-07-17