Refer to the ANSYS Mechanical APDL Commands Reference for more detail on the post-processing commands. The NSOL command specifies that U2 is to be output for node 7678 which is on the top of the plate. The ESOL command specifies that SVAR2 is to be output for element 298, node 7792 which is an undamaged element near the notch edge. The *CFOPEN command tells ANSYS where to write the results. When the text below is added to the end of the input file, ANSYS will create a text file containing the requested outputs upon completion of the analysis. For fatigue analyses with Simulation Composite Analysis, the number of cycles to failure is represented by SVAR2. 3.83, since the plate is symmetric about the horizontal and vertical centre lines.Please enable Javascript to watch this video.įor fatigue analyses it is often useful to create a plot of the model displacement as a function of the number of cycles to failure. Let us use a quarter model of the centre-cracked tension plate as illustrated in Fig.
Ansys mechanical apdl command reference software#
Shigeka Yoshimoto, in Engineering Analysis with ANSYS Software (Second Edition), 2018 3.4.3.1 Creation of an analytical model ! Plot nodal temperature for selected nodes ! Select nodes attached to selected elements ! Select elements associated with material #2 ! Plot the nodal temperature for the model ! Change the jobname (define the plot file name) ! Set temperature of selected line to 300 ! Set temperature of selected line to 250 ! Set temperature of selected line to 200 ! Set temperature of selected line to 150 ! Delete all temperature BCs on that line ! Apply a linearly varying heat flux to the line ! Set temperature of selected line to 100 ! Set thermal conductivity of material #2 2.3.1 INFO Level Feedback2.3.2 NOTE Level Feedback 2.3.3. ! Set thermal conductivity of material #1 3 The GUI Command Prompt 2.2.4 Input Files and Batch Files 2.3 How ANSYS Communicates with You. If you examine Figure 3.10 carefully, you will also see that the program’s placement of the node numbers is a little unintuitive. This resulted in a maximum node number of 22. In Example 3.2, the program chose the order in which to create the nodes and assigned the node numbers sequentially. Thus, the maximum node number in the model is (11+20) or 31.
Ansys mechanical apdl command reference plus#
In Example 3.1, we defined the upper node numbers to be equal to 20 plus the bottom node numbers. ! Set default element edge length to 2 unitsĪlthough the geometries and finite element meshes are the same for Example 3.1 and Example 3.2, the node numbering is not the same. ! Create an area bounded by Keypoints 1,2,3,4 ! Create Keypoint 1 at the origin (0,0,0) It can be used at any time, but it is especially useful for the modification of existing models and for parameterization. It is very robust and gives you complete control over the model geometry. If a cubic volume is defined by eight keypoints, the lines connecting those keypoints and the areas connecting those lines will be generated in addition to the new volume.īottom-up solid modeling is our preferred method for building solid models in ANSYS. For example, if a rectangular area is defined by four keypoints, the lines connecting those keypoints will be generated in addition to the new area. Solid modeling geometry can be created using the GUI path: Main Menu > Preprocessor > Modeling > Create.ĪNSYS will automatically generate intermediate geometry when creating higher order entities. Keypoints can also be created by filling in the space between two keypoints. Once created, keypoints, lines, and areas can be extruded to create lines, areas, and volumes. And, volumes are defined by two or more areas. Areas are defined by three or more lines (three or more keypoints). Lines are defined by two or more keypoints. In solid model geometry, a keypoint (a point in space) is the most basic unit. Thompson PhD, PE, in ANSYS Mechanical APDL for Finite Element Analysis, 2017 3.2.2 Creating Model Geometry from the Bottom-Upīottom-up solid modeling is similar to the direct generation of nodes and elements except on a larger scale. ! Display element shapes using section data ! Use a rectangular cross section for beam ! Create a line between Keypoints 1 and 2