plnear

Mapdl.plnear(lab='', opt='', kcn='', val1='', val2='', val3='', val4='', val5='', val6='', val7='', val8='', val9='', **kwargs)

Plots the pressure in the near zone exterior to the equivalent source

APDL Command: PLNEAR surface.

Parameters:

lab

Plot the maximum pressure or sound pressure level:

SPHERE - on the spherical structure

PATH - along the path

opt

PSUM

PSUM - Maximum complex pressure for acoustics.

PHAS - Phase angle of complex pressure for acoustics.

SPL - Sound pressure level for acoustics.

SPLA - A-weighted sound pressure level for acoustics (dBA).

kcn

KCN is the coordinate system reference number. It may be 0 (Cartesian) or any previously defined local coordinate system number (>10). Defaults to 0.

val1, val2, val3, … , val9

For LAB = SPHERE:

VAL1 - Radius of spherical surface in spherical coordinate system.

VAL2 - Starting φ angle (degree) in the spherical coordinate system. Defaults to 0.

VAL3 - Ending φ angle (degree) in the spherical coordinate system. Defaults to 0.

VAL4 - Number of divisions between the starting and ending φ angles for data

computations. Defaults to 0.

VAL5 - Starting θ angle (degrees) in the spherical coordinate system. Defaults to 0 in

3-D and 90 in 2-D extension.

VAL6 - Ending θ angle (degrees) in the spherical coordinate system. Defaults to 0 in

3-D and 90 in 2-D extension.

VAL7 - Number of divisions between the starting and ending θ angles for data

computations. Defaults to 0.

VAL8 - Reference rms sound pressure. Defaults to 2x10-5 Pa.

VAL9 - Thickness of 2-D model extension in z direction (defaults to 0).

Notes

PLNEAR uses the equivalent source principle to calculate the pressure in the near zone exterior to the equivalent source surface (flagged with the Maxwell surface flag in the preprocessor) for one of the following locations:

A spherical surface in the KCN coordinate system

A path defined by the PATH and PPATH commands

To plot the pressure results for a path, use the PLPAGM or PLPATH commands. See the HFSYM command for the model symmetry.

To retrieve saved equivalent source data, issue the SET,Lstep,Sbstep,,REAL command.

Distributed ANSYS Restriction: This command is not supported in Distributed ANSYS.