Mechanical APDL Structural Analysis Guide
5.3.4. Apply the Loads You are now ready to apply loads for the analysis. The loads shown in Table 2.5: Loads Applicable in a St ...
LSWRITE! Write load data to load step file Etc. 5.3.7. Save a Backup Copy of the Database Save a copy of the database to a named ...
Command(s):NSOL (primary data, that is, nodal displacements) ESOL (derived data, that is, element solution data, such as stresse ...
/PREP7! Enter PREP7 --- ---! Generate model --- FINISH ! Apply Loads and Obtain the Solution /SOLU! Enter SOLUTION ANTYPE,TRANS! ...
Obtain the mode-superposition transient solution. Expand the mode-superposition solution. Review the results. 5.4.1. Build the ...
5.4.3. Obtain the Mode-Superposition Transient Solution In this step, the program uses mode shapes extracted by the modal soluti ...
If you do not want to use rigid body (0 frequency) modes, use MINMODE on the TRNOPT command to skip over them. Nonlinear option ...
Option Command GUI Path Main Menu> Solution> Load Step Opts> Time/Fre- quenc> Time Integration Transient Integration ...
The output control option for the first load step is printed output (OUTPR). Use this option to control printout of the nodal s ...
The mode-superposition transient solution is written to the reduced displacement file,Jobname.RDSP, regardless of whether the Bl ...
Option: Expansion Pass On/Off (EXPASS) Choose ON. Option: Number of Solutions to be Expanded (NUMEXP) Specify the number. Th ...
GUI:Close the Solution window. 5.4.4.3. Reviewing the Results of the Expanded Solution You review results for an expansion pass ...
KBC,...! Ramped or stepped loads OUTRES,...! Results-file data controls --- SOLVE! Solve 2nd load step (first transient load ste ...
If prestressing effects develop because of nonlinear behavior (as in the case of residual thermal stresses in a casting), severa ...
Figure 5.2: Effect of Integration Time Step on Period Elongation 0 1 2 3 4 5 6 7 8 9 10 0 10 20 30 40 50 60 70 80 90 100 Period ...
Resolve the contact frequency. In problems involving contact (impact), the time step should be small enough to capture the mome ...
gives the added advantage of incrementing the loads appropriately and retreating to the previous converged solution (bisection) ...
Release 15.0 - © SAS IP, Inc. All rights reserved. - Contains proprietary and confidential information ...
Chapter 6: Spectrum Analysis A spectrum analysis is one in which the results of a modal analysis are used with a known spectrum ...
6.1.1.1. Single-Point Response Spectrum (SPRS). In a single-point response spectrum (SPRS) analysis, you specify one response sp ...
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