studymod is used to generate a study with modified geometry, boundary conditions and process parameters from an existing Autodesk Moldflow Insight study (.sdy ) file.
There are three arguments used with this utility, which are case-sensitive and should be typed as written here:
<InputStudy>; the name, with extension, of the original study file,
<OutputFile>; the name, with extension, of the modified study file,
<ModifierFile>; the name of the XML file containing the modifications to apply to the original study file.