You can also contour element table data and line element data:
Command(s):PLETAB,PLLS
GUI: Main Menu> General Postproc> Element Table> Plot Element Table
Main Menu> General Postproc> Plot Results> Contour Plot> Line Elem Res
CautionDerived data, such as stresses and strains, are averaged at the nodes by the PLNSOL com-
mand. This averaging results in "smeared" values at nodes where elements of different ma-
terials, different shell thicknesses, or other discontinuities meet.To avoid the smearing effect,
use selecting (described in Selecting and Components in the Basic Analysis Guide) to select
elements of the same material, same shell thickness, and so on before issuing PLNSOL.3.5.7. Option:Tabular Listings.
Command(s):PRNSOL (nodal results) PRESOL (element-by-element results) PRRSOL (reaction data), and so
on NSORT,ESORT
GUI: Main Menu> General Postproc> List Results> solution option
Main Menu> General Postproc> List Results> Sorted Listing> Sort Nodes
Main Menu> General Postproc> List Results> Sorted Listing> Sort Elems
Use the NSORT and ESORT commands to sort the data before listing them.
3.5.8. Other Capabilities
Many other postprocessing functions - mapping results onto a path, load case combinations, and so
on - are available in POST1. See The General Postprocessor (POST1) in the Basic Analysis Guide for details.
3.6. Applying Prestress Effects in a Modal Analysis
The following topics concerning adding prestress effect to a modal analysis are available:
3.6.1. Performing a Prestressed Modal Analysis from a Linear Base Analysis
3.6.2. Performing a Prestressed Modal Analysis from a Large-Deflection Base Analysis3.6.1. Performing a Prestressed Modal Analysis from a Linear Base Analysis
Use a prestressed modal analysis to calculate the frequencies and mode shapes of a prestressed structure,
such as a spinning turbine blade. This procedure is applicable only if the prior (base) analysis is a purely
linear, small deflection solution.
If the prior static analysis includes large-deflection effects (NLGEOM,ON), use the linear perturbation
procedure described in Performing a Prestressed Modal Analysis from a Large-Deflection Base Analys-
is (p. 50). If the base analysis includes other nonlinearities, use the linear perturbation procedure as
described in Linear Perturbation Analysis. (Note that the linear perturbation analysis procedure is also
valid for cases where the base analysis is linear and, therefore, can be used instead of the prestressed
modal analysis procedure described here.)
The procedure for performing a prestressed modal analysis from a linear base analysis is essentially the
same as that of a standard modal analysis, except that you first need to prestress the structure by per-
forming a static analysis:
- Build the model and obtain a static solution with prestress effects turned on (PSTRES,ON). The same
lumped mass setting (LUMPM) used here must also be used in the later prestressed modal analysis.
Release 15.0 - © SAS IP, Inc. All rights reserved. - Contains proprietary and confidential informationApplying Prestress Effects in a Modal Analysis