Materials > Material types > Fluid material properties > Fluid materialsfor heat transfer and flow analyses
Define a Non-Newtonian Fluid
In a Simulation file, with the analysis type set to Flow or Coupled Thermal-Flow,
Choose Home tab→Properties group→Modeling Objects .
In the Modeling Object Manager dialog box, select Non-Newtonian Fluid and click Create.
In the Non-Newtonian Fluid dialog box, specify a name for the modeling object.
Select a previously defined material from the Affected Fluid Material list, or click Choose Material to create one.
From the Type menu, select the type of non-Newtonian fluid model to create.
Specify appropriate values for the Additional Fluid Properties options.
Click OK.
In the Simulation Navigator, right-click the solution node and choose Edit.
In the Solution dialog box, click the 3D Flow node.
Expand the Additional Parameters group, and in the Non-Newtonian Fluid row, click the Modeling Objects Manager on the Non-Newtonian Fluid row.
In the Modeling Objects Manager dialog box, under the Selection group, select the previously created Non-Newtonian Fluid modeling object and click Add to List.
Click Close.
In the Solution dialog box, click OK.
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Source: https://docs.sw.siemens.com/en-US/doc/289054037/PL20200601120302950.advanced/id639413 · retrieved 2026-07-17