Graphing results across multiple iterations

You can plot results of the same type across a sequence of time steps, load cases, frequencies, modes, or iterations. You can graph results for a single node as a data series, for multiple nodes as multiple data series, or for multiple nodes combined into a single data series.

Defining the X-axis

You define the X-axis of the graph by specifying a range of iterations or load cases. Depending on the solution type and the specified display units, you may also be able to define the X-axis in terms of load factors, frequencies, time, and so on.

Defining the Y-axis

You define the Y-axis by selecting one or more entities from the model. You can select entities by picking them from the model, by specifying entity IDs, or by selecting a group or selection recipe. You can also specify an arbitrary point on an element edge or face. The resulting graph plots the values of the selected entities across a specified range of iterations or load cases.

Contact pressure plotted against load factor for a nonlinear solution

• Select a single entity (node or element) to plot the value of that entity across iterations or load steps. This single data series represents a single record in the equivalent AFU file.

• Select multiple entities and clear the Combine Across Entities check box to plot multiple data series. Each data series represents a single AFU record, and you can plot up to a maximum of 50 data series.

• Select multiple entities and then select the Combine Across Entities check box to reduce multiple entities to a single data series or record. You can reduce the selected entities to the average, sum, minimum, or maximum value of all entities.

Displaying annotations of the selected entities in graphs

When you plot a graph across iterations, you can display annotations attached to the entities you selected to graph in the contour plot. The annotations display the entity ID. For example, the following figure shows a graph of strain across iterations for node 1008 with an annotation attached to Node 1008 in the contour plot. By attaching annotations to the entities, you can better understand which entity represents which curve in the graph.

Strain across iterations for a nonlinear solution with annotation

You control the display of annotations using the visibility check boxes under the Annotations node in the Post Processing Navigator. The annotations are named for the graph. For example, for the graph in the figure, the annotation is named Displacement across Iterations, which is the name of the graph.

To display annotations, select the Create Annotation for Selection check box in the Graph and Two Function Plot dialog boxes.

You manage the annotations as you do any annotation you create. For more information, see Annotating post views.

Displaying annotations is only available when you set the type in the dialog boxes to Across Iterations. The limit is 50 annotations.

How do I

Graph a single result across FE entities

Graph results across multiple iterations

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Graphing results across multiple iterations, Simcenter 3D 2021.1 Series

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