Mechanical APDL Structural Analysis Guide

Click Size Controls> Lines> Set. The Element Size on Picked Lines picking menu appears. Click on the two vertical lines ( ...

In the scroll box for Variable to redefine, scroll to "Variable 2" and select it. In the scroll box for Quantity to be monitore ...

Click on OK on the Solve Current Load Step dialog box. Click on Close on the Information dialog box when the solution is done. ...

Click on Def + undef edge for items to be plotted. Click OK.The deformed mesh appears in the Graphics window. Choose menu path ...

Choose menu path Main Menu> TimeHist Postpro> Math Operations> Add. The Add Time-History Variables dialog box appears. ...

tbpt,,0.006422389,31.73 ! set the axles labels for the stress-strain curve plot /axlab,x,log strain (n/m^2) /axlab,y,true stress ...

! results file for later postprocessing ! select the nodes located at right end and constrain their radial (x) and ! axial (y) d ...

! start cycle 3 ! ****************************** nsel,s,node,,ntop f,all,fy,-f! define load for load step 6 nsel,all nsubst,4,25 ...

The Mechanical APDL Verification Manual includes a variety of nonlinear analysis test cases: VM7 - Plastic Compression of a Pipe ...

Release 15.0 - © SAS IP, Inc. All rights reserved. - Contains proprietary and confidential information ...

Chapter 9: Linear Perturbation Analysis In many engineering applications, the linear behavior of a structure based on a prior li ...

This chapter describes both points in detail. Input examples are given to aid in understanding the pro- cedure. 9.2. General Pro ...

Figure 9.2: Flowchart of Linear Perturbation Modal Analysis 1st Phase of Linear Perturbation (SOLVE, ELFORM) (1) Restart from ba ...

Figure 9.3: Flowchart of Linear Perturbation Eigenvalue Buckling Analysis 1st Phase of Linear Perturbation (SOLVE, ELFORM) (1) R ...

Figure 9.4: Flowchart of Linear Perturbation Full Harmonic Analysis 1st Phase of Linear Perturbation (SOLVE, ELFORM) (1) Restart ...

program at which time points the necessary data is to be saved for the multiframe restart. Only the converged substeps of the lo ...

It is important to understand which matrices are used in the linear perturbation analysis: If the base analysis is nonlinear, t ...

The following example shows typical command input to accomplish these steps. Example Input for Linear Perturbation Static Analys ...

In a linear perturbation modal analysis, after the solution phase, a stress expansion pass is typically carried out. A stress ex ...

could occur.) In this case, it is recommended that you use the subspace eigensolver (BUCOPT,SUBSP) to achieve a successful solut ...