QUESTION / ERROR
FePEST sends error message 'Invalid argument passed!'
The error message can be seen in Fig. 1.
Fig. 1 - Error message when running FePEST
SOLUTION
PEST character requirements are very strict. Please check the name of the working folder and make sure that there are no special characters in the file name and/or in the folder path:
Special characters are among others: <SPACE> - @ ~ # ( ) etc.
The same applies to any internal naming of elemental or nodal selections or distributions.
FURTHER INFORMATION & USEFUL LINKS
Manuals and Guidelines
FEPEST 11 Documentation - Introduction
Training courses
FEFLOW – Getting started with model calibration and uncertainty quantification