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After simulating a model in RecurDyn, you can plot a graph based on the simulation results. To do so, you must enter Plot mode and select the analysis results to display from the Plot Tree.
However, some of the results may not appear in the Plot Tree. To solve this problem, RecurDyn provides Expression and Request functions to help you plot the desired simulation results.
How to use the Expression Request function
◾ For this purpose, you can use the Standard Request and Expression Scope functions that draw graphs based on the relationship between two markers. However, you can also use the Expression Request function to calculate the data and output the results as a plot (refer to the manual for more details about this function).
To use the Expression Request function, you must first create an expression, in this case DM(Base1.CM, BAseBody1.CM), by performing the following steps:
◾ In the Request dialog window, on the Expression tab, click Create.
◾ In the F1 field, type the name of the expression you created or click EL to select the expression from a list.
◾ Once the Request is created, simulate the model. Now, the Plot Tree should display the Request for the selected expression. Select F1(Expression) in the tree to output the results of the expression as a plot.
RecurDyn also offers two other methods of plotting simulation results. For more information on these methods, see the following FAQs.
(You can search for these methods in the Search field.)
>> How to see results that are not output in a plot [1] (Standard Request)
>> How to see results that are not output in a plot [2] (Expression Scope)