Define nonlinear transient parameters

1. Choose Home tab→Properties group→Modeling Objects .

2. In the Modeling Objects Manager dialog box, from the Type list, select Nonlinear Control Parameters - Subcase and click Create.

3. In the Nonlinear Control Parameters - Subcase dialog box, on the Automatic Time Stepping page, specify the desired options to control time stepping.As a best practice, use automatic time stepping (AUTIM) and define the maximum time step (DTMAX) to be approximately 0.05 times the rotor speed of interest in Hz.

4. Click OK.

5. In the Modeling Objects Manager dialog box, click Close.

How do I

Create connection elements between coincident nodes with CBEAR2 elements

Define rotor bearing or bushing properties

Create a rotor region

Define a rotor

Define the rotor dynamics solution parameters

Create an unbalance mass

Define forcing frequencies

Set the duration of the simulation

Create a modeling object

Assign a modeling object to a solution or solution subcase

Learn more

Rotor dynamic analysis (SOL 414)

Modeling axisymmetry (SOL 414)

Modeling cyclic symmetry (SOL 414)

Creating connection elements on a rotor model (SOL 414)

Damping (SOL 414)

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Define nonlinear transient parameters, Simcenter 3D 2021.1 Series

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