Combining and manipulating results

Use Results Manipulation to create new results by performing operations on one or more existing results sets. Choose from the following methods for manipulating results:

• Envelope compares two or more results, and returns the minimum or maximum value as a unitless, scalar quantity. You can perform the envelope operation on the entire model, specified nodes or elements, or selection recipes. You can also output additional results containing the ID of the load case that contains the minimum or maximum value.

• Combination uses standard expression syntax to perform operations on one or more results of the same type. Selected result types are assigned an expression name automatically, which you can edit as needed. You can define a formula using any combination of named expressions (including user expressions), expression operators, and math functions.The selected results may belong to different load cases, iterations, or solutions, but must be the same in terms of components (real or complex), output location, and solution type. If the selected result type consists of vector or tensor data, the specified formula is applied to each component individually. Derived results (for example, von Mises stress) are then calculated from the combined components.

• Reduction and Multiple Reduction reduce one or more results components to scalar values at nodes. These scalar values are represented as post-processing expressions.. You can view and export the expressions in a variety of ways, and you can combine scalar post-processing expressions using standard expression syntax.

Each method collects results across the selected types or components based on element or node IDs. Therefore, the underlying FE models must be compatible in terms of the number of nodes and elements, IDs, and element types.

Exporting and saving manipulated results

• You can export manipulated results to an I-deas universal file (*.unv), and store, manage, and post-process them like any other results file. You can export this UNV file as a full results file, and the software automatically imports it into the Post Processing Navigator. You can also export it as a companion result to an existing solution.

• You can also save manipulated results directly to a field. You can treat this field like any other field: plot, export, or save this field to an AFU file, or use it to define field-based boundary conditions in subsequent analyses.

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Combining and manipulating results, Simcenter 3D 2021.1 Series

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