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jgerstmayr / EXUDYN

Multibody Dynamics Simulation: Rigid and flexible multibody systems
https://www.youtube.com/channel/UCsQD2bIPBXB_4J23WtqKkVw/playlists
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Getting started video with pip install? #38

Closed jgerstmayr closed 1 year ago

jgerstmayr commented 1 year ago

Discussed in https://github.com/jgerstmayr/EXUDYN/discussions/37

Originally posted by **BradMBD** March 24, 2023 I found EXUDYN now cannot be installed in the way you showed in the getting started youtube video (Aug. 2020). I installed the Anaconda3-5.2.0-Windows-x86_64 (Python 3.6.5) as mentioned in theDoc.pdf. Then, I first tried PIP INSTALLER. It turns out it doesn't work. I tried to import exudyn, the spyder console shows "ModuleNotFoundError: No module named 'exudyn'". Then, I downloaded the "exudyn-1.6.0-cp36-cp36m-win_amd64.whl" that matches the python version. I installed via wheel files according to the tutorial in theDoc.pdf. I tried to import exudyn again in Spyder, it shows "ImportError: Import of exudyn C++ module failed; check 32/64 bits versions, restart your iPython console or try to uninstall and install exudyn". But, I am sure my labtop is 64bit and the version of Anaconda/python and exudyn are consistent (the recommended one in theDoc.pdf). So, could you please help give any suggestions? Or, could you please make a updated getting started video tutorial? Thanks, Tengfei
jgerstmayr commented 1 year ago

you are right, the video for installation is outdated. There should be a new one.

Regarding the import error, I need to know more about your platform (Windows, etc.) and CPU. Reasons are given in FAQ and troubleshooting of theDoc.

In the current version, I recommend (and use) Anaconda 2021-11, 64bit, Python 3.9

BradMBD commented 1 year ago

Dear Prof. Gerstmayr,

Thank you so much for your help. Using Anaconda 2021-11, 64bit, Python 3.9 you suggested. And I install the correponding whl file. Now I successfully run 'myFirstExample.py'.

Btw, if I want to use the C++ source code, VS2017 is still now recommended as mentioned in theDoc.pdf?

Thanks,

Tengfei

jgerstmayr commented 1 year ago

VS2017 is still the code I use. There may be alternative ways, however, there were problems with Eigen / the sparse solver in VS2019: giving wrong results. I have not tested VS2022 so far. People have also used linux successfully.