Dear all:
My python version is 2.5 and autodock is 1.5.7, but my MGLtool folder shows up in python 2.7.11. I had opened the software before, but then there were some problems when it ran, so I uninstalled and reinstalled both Python and Autodock, and I had this problem when I opened it again.
Python 2.7.11 (v2.7.11:6d1b6a68f775, Dec 5 2015, 20:32:19) [MSC v.1500 32 bit (Intel)] on win32
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==== No Subprocess ====
>>> Traceback (most recent call last):
File "C:\Program Files (x86)\MGLTools-1.5.7\lib\site-packages\AutoDockTools\__init__.py", line 433, in runADT
title=title, withShell= not interactive, verbose=False, gui=gui)
File "C:\Program Files (x86)\MGLTools-1.5.7\lib\site-packages\Pmv\moleculeViewer.py", line 1026, in __init__
trapExceptions=trapExceptions)
File "C:\Program Files (x86)\MGLTools-1.5.7\lib\site-packages\ViewerFramework\VF.py", line 449, in __init__
Startup Directory is set to current working directory by default.""")
File "C:\Program Files (x86)\MGLTools-1.5.7\lib\site-packages\mglutil\preferences.py", line 77, in add
self.set(name, value)
File "C:\Program Files (x86)\MGLTools-1.5.7\lib\site-packages\mglutil\preferences.py", line 107, in set
cb(name,oldValue, value)
File "C:\Program Files (x86)\MGLTools-1.5.7\lib\site-packages\ViewerFramework\VF.py", line 759, in startupDirPref_cb
if not hasattr(self,'setUserPreference') and not hasattr(self.setUserPreference, 'form'): return
AttributeError: MoleculeViewer instance has no attribute 'setUserPreference'
hit enter to continue
I have no idea how to fix it, could anyone please help me with it? Any suggestions are appreciated
Hi Hengxi Zhang
Thank you for your question. I have searched the web for some information on how to model the stress initialization after the thread cutting of a thermoplastic component in LS-Dyna. Here are some of the findings:
- One possible method is to use the *INITIAL_STRESS_SHELL keyword, which allows you to define initial stresses for shell elements. You can specify the initial stress components in the global or local coordinate system, and apply them to a set of elements or nodes. You can also use the *INITIAL_STRESS_SOLID keyword for solid elements. You can read more about these keywords in the LS-Dyna manual1.
- Another possible method is to use the *LOAD_SEGMENT keyword, which allows you to apply a distributed load along a segment defined by two nodes. You can use this keyword to simulate the contact force between the screw and the thermoplastic component, and adjust the magnitude and direction of the load to match the thread cutting process. You can read more about this keyword in the LS-Dyna manual1.
- A third possible method is to use the *LOAD_PRESTRESS keyword, which allows you to apply a prestress load to a set of elements or nodes. You can use this keyword to simulate the residual stress induced by the thread cutting process, and specify the prestress components in the global or local coordinate system. You can read more about this keyword in the LS-Dyna manual1.
After applying one of these methods, you can run the dynamic relaxation as a second step to obtain the stress distribution and clamp load relaxation in your model.
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