Vibro-Acoustic Transfer Vector Response Output Requests dialog box

Common requests options

Modeling Object
Name	Defines the name of the modeling object.
Label	Specifies a unique numerical identifier for the modeling object.
Properties
Description	Enter a brief description or click to open a text editor where you can enter a longer description.
Preview	Opens an information window where you can examine all current output requests and their options.
Enable All	Selects all output requests.
Disable All	Clears all output requests.
Output request option
Data Format	Specifies the case control command option that requests the format of complex output.REALRequests the real and imaginary output in rectangular format.IMAGFor most solutions, IMAG = REAL.PHASERequests the magnitude and phase output in polar format.Note: See case control command remarks in the Simcenter Nastran Quick Reference Guide to check whether your solution supports IMAG and PHASE.

Common option for Grid Contribution, Panel Contribution, and Acoustic Pressure

Output request option

Entity Selection

Depending on the individual case control command, specifies options to control the location at which the software outputs results.ALLSelects all entities.GroupIf you choose Group, select the appropriate node or element set.NONELets you turn this output request off; useful for controlling output requests across subcases.Note: For Grid and Panel Contribution case control commands in the Output Requests dialog box, you can select the following options for a response contribution set. The response contribution set produces output that relates the response at specified locations at each excitation frequency to nodes (grids) in structural panels, structural or fluid modes, or structural panels:SpecifyLets you create or select a response contribution set.NONELets you turn this output request off; useful for controlling output requests across subcases.

Specific requests options

Acoustic Power
Enable ACPOWER Request	Specifies the ACPOWER case control command to request acoustic power output.
Output Medium	Specifies the case control command option that requests the output destination for the results.PRINTRequests the output of results to the .f06 print file.PRINT,PUNCHRequests the output of results to the .f06 print file and .pch (ASCII format) file.NOPRINT,PUNCHDo not output results to the .f06 print file, but output results to the .pch (ASCII format) file.NOPRINTDo not output results to the f06 print file.See Simcenter Nastran Output Files in the Simcenter Nastran User's Guide for more information.
Random Output Medium	Specifies the case control command option that sets the output destination for random results.RPRINT (Default)Requests the output of the results to the f06 print file.RPRINT,RPUNCHRequests the output of results to the f06 print file and the .pch (ASCII format) file.NORPRINT,RPUNCHDo not output results to the f06 print file, but output results to the .pch (ASCII format) file.NORPRINTDo not output results to the f06 print file.See Simcenter Nastran Output Files in the Simcenter Nastran User's Guide for more information.
Compute Acoustic Power on Automatically Matched Layer Radiation Surfaces	Sets the AMLREG option on the ACPOWER case control command to ALL.Note: In a VATV response solution, clear the Compute Acoustic Power on Automatically Matched Layer Radiation Surfaces check box because you must select microphone elements instead of automatically matched layer surfaces to compute acoustic power.
Element Surfaces for Acoustic Power	Specifies options to control the location at which the software outputs results.GroupIf you choose Group, select the appropriate 2D microphone element set.NONEDoes not select any element set.
Grid Contribution
Enable GRDCON Request	Specifies the GRDCON case control command to request output of structural node (grid) contributions to the acoustic response.
Sorting	Specifies the case control command option that requests the format of printed output.SORT1Requests the output of results as a tabular listing of the selected output for each node in each subcase.SORT2Requests the output of results as a tabular listing of the subcases for each selected output option.DefaultChooses the default option for your analysis type. For example, SORT1 is the default in static analysis, while SORT2 is the default in transient response analysis.
Output Medium	Specifies the case control command option that requests the output destination for the results.PRINTRequests the output of results to the .f06 print file.PRINT,PUNCHRequests the output of results to the .f06 print file and .pch (ASCII format) file.NOPRINT,PUNCHDo not output results to the .f06 print file, but output results to the .pch (ASCII format) file.NOPRINTDo not output results to the .f06 print file.See Simcenter Nastran Output Files in the Simcenter Nastran User's Guide for more information.
Output Terms	Specifies the output of node contributions in terms.ABS (Default)Outputs acoustic node contributions in absolute terms.NORMOutputs acoustic node contributions in normalized terms. BOTHOutputs acoustic node contributions in both absolute and normalized terms.
	Frequencies for ContributionsSpecifies at which frequencies to calculate structural node (grid) and pressure (on fluid nodes or microphone nodes) contributions to output responses.ALLCalculates structural nodes and microphone nodes contributions at all frequencies.Specify FrequenciesCalculates structural nodes and microphone nodes contributions at specified frequencies.PEAKOUTCalculates structural nodes and microphone nodes contributions at frequencies where peak responses occur.Note: Peakout is supported for structural node, fluid (microphone) nodes, grid, mode, and panel contribution output requests.
	Grids for ContributionsSpecifies for which structural nodes that are part of the acoustic coupling matrix to output contributions.ALL (Default)Outputs contributions for all structural nodes.GroupOutputs contributions for structural nodes in a node set.Top Grids for ContributionsSpecifies which structural nodes to list in the output.ALL (Default)Lists all of the structural nodes in the output.SpecifyLets you specify the number of structural nodes to list in the output that have the greatest contribution to the response at each frequency.
	Entities for ContributionsSpecifies response contribution sets. The response contribution set produces output that relates the response at specified locations at each excitation frequency to nodes (grids) in structural panels:SpecifyLets you create or select a response contribution set.NONELets you turn this output request off; useful for controlling output requests across subcases.
Panel Contribution
Enable PANCON Request	Specifies the PANCON case control command to request output of frequencies, panels, and microphones contributions to pressure responses in contribution analyses.
Sorting	Specifies the case control command option that requests the format of printed output.SORT1Requests the output of results as a tabular listing of the selected output for each node in each subcase.SORT2Requests the output of results as a tabular listing of the subcases for each selected output option.DefaultChooses the default option for your analysis type. For example, SORT1 is the default in static analysis, while SORT2 is the default in transient response analysis.
Output Medium	Specifies the case control command option that requests the output destination for the results.PRINTRequests the output of results to the .f06 print file.PRINT,PUNCHRequests the output of results to the .f06 print file and .pch (ASCII format) file.NOPRINT,PUNCHDo not output results to the .f06 print file, but output results to the .pch (ASCII format) file.NOPRINTDo not output results to the .f06 print file.See Simcenter Nastran Output Files in the Simcenter Nastran User's Guide for more information.
Output Terms	Specifies the output of node contributions in terms.ABS (Default)Outputs acoustic node contributions in absolute terms.NORMOutputs acoustic node contributions in normalized terms. BOTHOutputs acoustic node contributions in both absolute and normalized terms.
	Frequencies for ContributionsSpecifies at which frequencies to calculate structural panel contributions to output responses.ALLCalculates structural panel contributions at all frequencies.Specify FrequenciesCalculates structural panel contributions at specified frequencies.PEAKOUTCalculates structural panel contributions at frequencies where peak responses occur.Note: Peakout is supported for structural node, fluid (microphone) nodes, grid, mode, and panel contribution output requests.
	Panels for ContributionsSpecifies for which structural panels that are part of the acoustic coupling matrix to output contributions.ALL (Default)Outputs contributions for all structural panels.Specify PanelsLets you specify for which structural panels to output contributions.Top Panels for ContributionsSpecifies which structural panels to list in the output.ALL (Default)Lists all of the structural panels in the output.SpecifyLets you specify the number of structural panels to list in the output that have the greatest contribution to the response at each frequency.
	Entities for ContributionsSpecifies response contribution sets. The response contribution set produces output that relates the response at specified locations at each excitation frequency to structural panels.SpecifyLets you create or select a response contribution set.NONELets you turn this output request off; useful for controlling output requests across subcases.
Acoustic Pressure
Enable PRESSURE Request	Specifies the PRESSURE case control command to request pressure output (on fluid nodes or microphone nodes).
Sorting	Specifies the case control command option that requests the format of printed output.SORT1Requests the output of results as a tabular listing of the selected output for each node in each subcase.SORT2Requests the output of results as a tabular listing of the subcases for each selected output option.DefaultChooses the default option for your analysis type. For example, SORT1 is the default in static analysis, while SORT2 is the default in transient response analysis.
Output Medium	Specifies the case control command option that requests the output destination for the results.PRINTRequests the output of results to the .f06 print file.PUNCHRequests the output of results to the .pch (ASCII format) file.PRINT,PUNCHRequests the output of results to the .f06 print file and the .pch (ASCII format) file.PLOTRequests the output of results to the .op2 file.See Simcenter Nastran Output Files in the Simcenter Nastran User's Guide for more information.
Incident-Scattered Formulation Output	Specifies the case control command option that requests the output of pressure for the incident-scattered formulation.TOTALRequests the total pressure output.SCATRRequests the scattered pressure output.
Random Output Medium	Specifies the case control command option that sets the output destination for random results.RPRINT (Default)Requests the output of the results to the .f06 print file.RPRINT,RPUNCHRequests the output of results to the .f06 print file and the .pch (ASCII format) file.NORPRINT,RPUNCHDo not output results to the .f06 print file, but output results to the .pch (ASCII format) file.NORPRINTDo not output results to the .f06 print file.See Simcenter Nastran Output Files in the Simcenter Nastran User's Guide for more information.
Random Functions	Specifies the case control command options that request the calculation of specific random functions.SpecifyLets you select:PSDFRequests the calculation of the power spectral density function.ATOCRequests the calculation of the autocorrelation function.CRMSRequests the calculation of the cumulative root mean square function.RMSRequests the calculation of the root mean square and zero crossing functions.Note: See case control command remarks in the Simcenter Nastran Quick Reference Guide to check if your solution supports all the above options.RALLRequests the calculation of PSDF, ATOC, CRMS, and RMS.DefaultChooses the default random function option.Note: See case control command description in the Simcenter Nastran Quick Reference Guide to determine the default value.
Cross-Power Spectral Density/Cross-Correlation Function
Enable RCROSS Request	Specifies the RCROSS case control command to request computation and output of cross-power spectral density and cross-correlation functions.
Output Medium	Specifies the case control command option that requests the output destination for the results.PRINTRequests the output of results to the .f06 print file.PRINT,PUNCHRequests the output of results to the .f06 print file and .pch (ASCII format) file.NOPRINT,PUNCHDo not output results to the .f06 print file, but output results to the .pch (ASCII format) file.NOPRINTDo not output results to the .f06 print file.See Simcenter Nastran Output Files in the Simcenter Nastran User's Guide for more information.
Random Functions	Requests the calculation of specific random functions.PSDFRequests the calculation of the cross-power spectral density function.CORFRequests the calculation of the cross-correlation function.RALLRequests PSDF and CORF.
Entities	Lets you create or select a Cross-Power Spectral Density/Cross-Correlation Function Output.

How do I

Compute acoustic power on AML radiation surfaces

Define grid contribution parameters

Define panel contribution parameters

Visualize structural node contribution, Element ERP, and directivity data

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Vibro-Acoustic Transfer Vector Response Output Requests dialog box, Simcenter 3D 2021.1 Series

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