Mechanical APDL Basic Analysis Guide

as a series of harmonic components (a Fourier series). To specify the mode number, use one of the

following:

Command(s):MODE

GUI: Main Menu> Preprocessor> Loads> Load Step Opts> Other> For Harmonic Ele

Main Menu> Solution> Load Step Opts> Other> For Harmonic Ele

See the Element Reference for a description of harmonic elements.

• The type of scalar magnetic potential formulation to be used in a 3-D magnetic field analysis, specified
  via one of the following:
  Command(s):MAGOPT
  GUI: Main Menu> Preprocessor> Loads> Load Step Opts> Magnetics> potential formula-
  tion method
  Main Menu> Solution> Load Step Opts> Magnetics> potential formulation method


• The type of solution to be expanded in the expansion pass of a mode superposition analysis, specified
  via one of the following:
  Command(s):NUMEXP,EXPSOL
  GUI: Main Menu> Preprocessor> Loads> Load Step Opts> ExpansionPass> Single Expand>
  Range of Solu's
  Main Menu> Solution> Load Step Opts> ExpansionPass> Single Expand> Range of Solu's
  Main Menu> Preprocessor> Loads> Load Step Opts> ExpansionPass> Single Expand> By Load
  Step
  Main Menu> Preprocessor> Loads> Load Step Opts> ExpansionPass> Single Expand> By
  Time/Freq
  Main Menu> Solution> Load Step Opts> ExpansionPass> Single Expand> By Load Step
  Main Menu> Solution> Load Step Opts> ExpansionPass> Single Expand> By Time/Freq

2.6.2. Setting Dynamics Options.

These are options used mainly in dynamic and other transient analyses. They include the following:

Table 2.13: Dynamic and Other Transient Analyses Commands

Command GUI Menu Paths Purpose

Activates or deactivates

time integration effects

TIMINT Main Menu> Preprocessor> Loads> Load

Step Opts> Time/Frequenc> Time Integra-

tion

Main Menu> Solution> Load Step Opts>

Sol'n Control ( : Basic Tab)

Main Menu> Solution> Load Step Opts>

Time/Frequenc> Time Integration

Main Menu> Solution> Unabridged Menu>

Time/Frequenc> Time Integration

Specifies the frequency

range of the loads in a

harmonic analysis

HARFRQ Main Menu> Preprocessor> Loads> Load

Step Opts> Time/Frequenc> Freq & Substeps

Main Menu> Solution> Load Step Opts>

Time/Frequenc> Freq & Substeps

Specifies damping for a

structural dynamic analys-

is

ALPHAD Main Menu> Preprocessor> Loads> Load

Step Opts> Time/Frequenc> Damping

Main Menu> Solution> Load Step Opts>

Sol'n Control ( :Transient Tab)

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Specifying Load Step Options