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Boundary conditions > Thermal loads and constraints > Simcenter 3D Thermal/Flow, Electronic Systems Cooling, and Space Systems Thermal loads and constraints > Mapping constraints

Mapping Target Set

Video: Use zones and target sets in mapping

Use a Mapping Target Set in the target solution to restrict the mapping of thermal or flow data to a selected set of nodes or elements. The software performs the mapping only on the elements in the target set.

You can create one or more Mapping Target Set constraints.

When you define a Mapping Target Set constraint in your target mapping solution, any target solution element that is not part of a mapping target set is omitted from the mapping process. When you do not define Mapping Target Set constraints, the software maps the results on the whole target model.

For flow mapping, a mapping target set is usually required to limit force mapping to surfaces adjacent to the fluid. Only omit the Mapping Target Set constraint if you can ensure that results are mapped only to adjacent surfaces. For example, if all surfaces are adjacent to the fluid, a Mapping Target Set constraint is not required.

If you define Thermal Target Zone, Axisymmetry Target Zone, or Transverse Gradient Target Zone constraints (5 and 7) in your target solution, they must be included in region defined by the mapping target set (3). Only elements and nodes of a target zone (5) that are also part of the mapping target set get mapped results. Target zones cannot intersect each other.

(1) Source model(2) Target model(3) Mapping target set(4) and (6) Association zones in the source model: thermal association zone, transverse gradient zone, symmetry association zone, or flow association zone(5) and (7) Target zones in the target model: thermal target zone, flow target zone, transverse gradient zone, or symmetry association zone(8) Source elements excluded from mapping

Example:

Results from the association zone (4) get mapped to nodes and elements of the target zone (5) that are part of the mapping target set (3).

Results from the association zone (6) get mapped to nodes and elements of the target zone (7).

Results from the source model, excluding the results in zone (8), get mapped to all other nodes and elements of the mapping target set (3).

Where do I find it?

Application Pre/Post
Command Finder Mapping Target Set
Simulation Navigator Right-click the Constraint Set container node→New ConstraintMapping Target Set
How do I

Exclude thermal data from the mapping process

Define a Mapping Target Set

Set up a flow zone association for mapping pressure results

Set up a thermal zone association for mapping temperature results

Set up axisymmetry association zones and target zones

Set up rotational periodicity association and target zones

Map transverse temperature gradients to the target solution

Map thermal or flow results to another model

Update mapping constraints in the source model

Define mapping options

Learn more

Mapping constraint

Flow Target Zone

Thermal Target Zone

Axisymmetry Target Zone

Rotational Periodicity Target Zone

Transverse Gradient Target Zone

Inputs to expressions

Mapping results data to another model

Look up more details

Transverse gradient mapping

Auto-generated expressions

Results file and solver files created by a Mapping solution

Quick links

Simcenter 3D Thermal/Flow, Electronic Systems Cooling, and Space Systems Thermal boundary conditions

Thermal/Flow, Electronic Systems Cooling, and Space Systems Thermal

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Mapping Target Set, Simcenter 3D 2021.1 Series

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Source: https://docs.sw.siemens.com/en-US/doc/289054037/PL20200601120302950.advanced/id624306 · retrieved 2026-07-17