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Every action taken in the ANSYS GUI has a corresponding text command that is stored in the log file. At the end of step 6 for the original semi-monocoque shell problem, you were asked to create the log file for steps 1-6 by issuing the command Utility Menu > File > Write DB log file. We will create an input file from this log file. Copy this log file to your working folder.

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Generate a clean version of the log fileshell_step6.lgw for steps 1-6. If you don't have the log file, I'll be nice and give it to you (right-click on this link to download).

Generate Input File from Log File

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To see what the KEYW command does, type help,KEYW at the command prompt. At the bottom of the KEYW help page, you can see that this command is equivalent to the menu selection Main Menu > Preferences.

The *SETcommand above is used to specify parameter values. To redo the original problem with a new set of parameter values, you just change the values of appropriate parameters and read in the input file. We'll do this shortly. As you can imagine, this is an efficient way to explore the effect of key parameters on your design.

In the snippet above, you enter the preprocessor module using the /PREP7 command; this is equivalent to selecting Main Menu>Preprocessor in in the GUI. Once you are in the Preprocessor, you can access its utilities such as specifying the element type (ET command). A key thing to remember is that you have to be in the appropriate module (Preprocessor, Postprocessor, etc) to access the corresponding utilities. If you are, say,in the Postprocessor module and try to access a Preprocessor command such as ET, ANSYS won't recognize the command. The Utility menu commands can be accessed from any module.

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