Elemental response functions

The Evaluate Element Function Response dialog box calculates response functions at selected elements. The results consist of one function per node per selected element, in the given direction or for the selected Data Component.

You can evaluate stress, strain, element force, beam-element force, and shell stress resultant at an element (you can select up to 100 elements in an evaluation). This elemental data is recovered from the modal results. You can also evaluate nodal stress responses by choosing Corner as the stress output Location.

Note:

When you created the static or dynamic solution, you should have created a Structural Output Request and specified the result types to evaluate. For more information, see Define Response Dynamics result types.

You can generate element functions for Transient, Quasi-Static, Frequency, and Random events.

Function names

Response functions are stored as function records in an AFU file with the same name as your Response Dynamics solution process.

In the AFU file, the node or element ID and response direction are reflected in each function's name. For example, 2_(8TOP,XY)_1 means the function “2” is the stress response at the top of shell element 8 in the XY direction. You can also find the node ID and data component listed in the Response ID box on the Identifier tab of the Data Attributes (Ideas Format) dialog box (click Data Attributes on the XY Function Editor). The data component is calculated with respect to the elemental coordinate system or the material coordinate system. You can find the direction of the response axis in the ID Line boxes on the Identifier tab.

• For stress functions, von Mises, maximum principal, and maximum shear are also valid data components. For example, 1_(21E_VONM) is the von Mises stress or strain at element 21. If you chose Corner as the stress output Location, the related nodal stress response is included. For example, 1_(21E_102_VONM) is the stress or strain at node 102 on element 21.

• For element force functions, the ordinate data type is reaction force.

• For beam element force functions, the data components are the axial force (Ax), shear forces (Sy, Sz), torsional moment (Tx), and bending moments (By, Bz) with respect to the beam coordinate system. For example, 1_(21,101AX) is the axial force at node 101 on element 21.

Where do I find it?

• Choose Response Dynamics tab→Response Dynamics group→Evaluate Elemental Functions .

• Simulation Navigator→right-click the event node→Evaluate Function Response→Elemental

How do I

Evaluate elemental responses

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