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I am working on my bachelorthesis right now. At my university we use "LMS VirtualLab", which works fine with the Altair PUNCH-File format. In order to get my final results I need to imitate the .pch-file format after doing a fft in Matlab on my results (which were calculated by RecurDyn). I achieved to get a file format that looks exactly the same as the one that can be written from HyperWorks. Still it does only work with LMS VirtualLab if I open it in "Notepad++" and save it with a different name, without changing anything else. I defined it already to be UTF-8, but it did not solve my Problem. Can anybody tell me what I fail to see? Both files are attached: punch.pch is the file which is not working, punch2.pch is the working one.



Kind regards


Konstantin Heiss




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