Laminate Sine Output Requests dialog box

Note: The laminate dynamic solver writes the frequency and peak results to binary files. To instruct the solver to also write these results to text files, set the Text Output customer default.

Tip:

To find a customer default, choose File tab→Utilities→Customer Defaults, and click Find Default .

Modeling Object
Name	Sets the name for the laminate sine output requests modeling object. The name appears in the Output Requests page of the Sine Event dialog box.
Properties
The Output Request and Element Selection or Node Selection subgroups appear on all the following pages and the options are almost identical: Accelerations, Displacements, Element Forces, Grid Point Forces, MPC Forces, SPC Forces, Strains, Stresses and Velocities.
Accelerations page
Enable Accelerations Request	Computes acceleration sine results if the SOL 103 Real Eigenvalues OP2 file contains displacement results.
Displacements page
Enable Displacements Request	Computes displacement sine results if the SOL 103 Real Eigenvalues OP2 file contains displacement results.
Element Forces page
Enable Element Forces Request	Computes element force sine results if the SOL 103 Real Eigenvalues OP2 file contains element force results.
Failure Metrics page
Source for Allowables and Failure Theories	Specifies the Nastran OP2 result file for the SOL 103 Real Eigenvalues solution as the source for the material strength and failure theory properties.Note: To use different failure theories or new allowable values, you need to resolve the SOL 103 Real Eigenvalues solution after you modify its settings.
Output Frequencies	Available when Enable Homogeneous or Enable Layered is selected.Specifies the output frequencies at which the homogeneous and layered output requests are requested. You can set it to At Frequency, Peak, or At Frequency and Peak.For more information, see the Output Frequencies option in the Output Request group.
Enable Homogeneous	Computes failure metrics for elements that reference homogeneous materials at the specified output frequencies. The following Homogeneous Output Request options are available.Failure ModeSpecifies the failure mode which can be either Yield or Ultimate. The software uses the value of either yield strength or ultimate strength in the computation of the failure index and the margin of safety.Failure IndexEnables the computation of failure index results for homogenous elements using the following equation:where:F is the failure index.σVM is Von Mises stress.σall is the ultimate or yield strength property of your material. The yield and ultimate strengths are stored in the OP2 file.Margin of SafetyEnables the computation of margin of safety results for homogenous elements using the following equation:where:MS is the margin of safety.FS is the safety factor.Safety FactorSets the safety factor value that is used to compute the margin of safety.Output LocationSpecifies the location at which the software computes stress results. For more information, see the Output Location option in the Output Request group.ElementsSpecifies on which elements the software computes the output results.For more information, see the options in the Element Selection group.					where:F is the failure index.σVM is Von Mises stress.σall is the ultimate or yield strength property of your material. The yield and ultimate strengths are stored in the OP2 file.					where:MS is the margin of safety.FS is the safety factor.
				where:F is the failure index.σVM is Von Mises stress.σall is the ultimate or yield strength property of your material. The yield and ultimate strengths are stored in the OP2 file.
				where:MS is the margin of safety.FS is the safety factor.
Enable Layered	Computes failure metric results for elements that reference a laminate physical property or a solid laminate physical property at the specified output frequencies. The following Layered Output Request options are available.Failure IndexEnables the computation of failure index results for each ply.Strength RatioEnables the computation of strength ratio results for each ply.Margin of SafetyEnables the computation of margin of safety results for each ply.Safety FactorSets the safety factor value that is used to compute the strength ratio and margin of safety.Output LocationSpecifies the location at which the software computes the strain or stress results. See the Output Location option in the Output Request group, above.ElementsSpecifies the elements on which the software computes the output results. See the options in the Element Selection group.Note: The equations for failure index, strength ratio, and margin of safety depend on the failure theory that you defined in the Laminate Modeler, Layup Modeler, or Solid Laminate Modeler dialog box.
Grid Point Forces page
Enable Grid Point Forces Request	Computes grid point force sine results if the SOL 103 Real Eigenvalues OP2 file contains grid point force results. The software can only compute at frequency and peak results for this quantity.
MPC Forces page
Enable MPC Forces Request	Computes multipoint constraint (MPC) force sine results if the SOL 103 Real Eigenvalues OP2 file contains MPC force results.
SPC Forces page
Enable SPC Forces Request	Computes single-point constraint (SPC) force sine results if the SOL 103 Real Eigenvalues OP2 file contains SPC force results.
Strains page
Enable Strains Request	Computes strain sine results if the SOL 103 Real Eigenvalues OP2 file contains strain results.Note: Laminate Dynamics computes sine ply strain results at the same locations that are used for the ply results in the SOL 103 Real Eigenvalues OP2 file. For 3D laminates, before solving your Nastran solution, you define the ply location from the Composite Solid Ply Output list on the Strain page in the Structural Output Requests dialog box.
Stresses page
Enable Stresses Request	Computes stress sine results if the SOL 103 Real Eigenvalues OP2 file contains stress results.Note: Laminate Dynamics computes sine ply stress results at the same locations that are used for the ply results in the SOL 103 Real Eigenvalues OP2 file. For 3D laminates, before solving your Nastran solution, you set the ply location from the Composite Solid Ply Output list on the Stress page in the Structural Output Requests dialog box.
Velocities page
Enable Velocities Request	Computes velocity sine results if the SOL 103 Real Eigenvalues OP2 file contains displacement results.
Complex Results page
Specifies the format of the complex results that the software writes to the output files.
Complex Output Option	Select Magnitude/Phase or Real/Imaginary.The default is Magnitude/Phase.

Output Request options

Output Request
At Frequency	Enables the computation of harmonic dynamic responses for the requested result set. The responses are output as contours at each excitation frequency and are complex except for Von Mises stresses, failure indices, strength ratios, and margins of safety.
Peak	Enables the computation of peak values for the requested result set. Peak responses are output as contours at 0 Hz frequency and may also be identified as peak envelopes.
XY Functions****XY Functions for Homogeneous Elements	Not available on the Grid Point Forces page.Enables the computation of the response functions for the requested result set in the SORT2 format at the specified excitation frequencies. This allows you to plot the functions from the XY Function Navigator.The software does not output the XY functions for failure metrics, which include failure indices, strength ratios, and margins of safety. Although most response functions are written to the binary results file, some may not be supported for post-processing in the XY Function Navigator.
Output Location	Available on the Strains, Stresses, and Failure Metrics pages.Specifies the location at which the software computes the requested strain, stress, and failure metric results.CenterComputes the results only at the center of each element.Center and CornerComputes the results at the center and corners of each element. For example, for a hexahedral element, you get results at 9 different locations of each element.

Element or Node Selection options

Element Selection or Node Selection
Elements or Nodes	Specifies the entities on which the software computes the output results. AllComputes requested results on all nodes or elements which have corresponding results in the OP2 file generated by the SOL 103 Real Eigenvalues solution.GroupComputes requested results on nodes or elements that are in the selected group.
Group Reference	Appears when Elements or Nodes is set to Group.Applies the requested output results to the selected group. For more information, see Group Reference options.
Select Object	Appears when Elements or Nodes is set to Group.Lets you select elements or nodes to request the output results on them.Excluded lets you remove individual entities from within your selected object. Note: The Element Selection Filtering options are available when the Type Filter list on the Top Border bar is set to Elements.

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Related Topics

Laminates failure analysis

Laminate Dynamics

Laminate Sine Output Requests dialog box, Simcenter 3D 2021.1 Series

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