Search found 50 matches
- Thu Feb 11, 2021 8:57 pm
- Forum: OpenSees.exe Users
- Topic: Step time dependent material
- Replies: 5
- Views: 4038
Step time dependent material
Hi, I am writing a new material - it's response depends on the step time. How can we give material class - an access to step time and time increment ? Currently the only way I can think of is - using "strainRate" in "setTrailStrain()" method i.e. (deltastrain)/strainRate = time increment . Any alter...
- Wed Jan 13, 2021 1:49 am
- Forum: OpenSees.exe Users
- Topic: 3D truss model
- Replies: 1
- Views: 1174
Re: 3D truss model
Ok ! I got the point
the support condition should be
fix 1 1 1 1 1 1 1
fix 2 0 0 1 1 1 1
fix 3 0 0 1 1 1 1
fix 4 1 1 1 1 1 1
All the rotational dof's should be restrained + out of plane restraints also should be added.
the support condition should be
fix 1 1 1 1 1 1 1
fix 2 0 0 1 1 1 1
fix 3 0 0 1 1 1 1
fix 4 1 1 1 1 1 1
All the rotational dof's should be restrained + out of plane restraints also should be added.
- Tue Jan 12, 2021 10:32 pm
- Forum: OpenSees.exe Users
- Topic: 3D truss model
- Replies: 1
- Views: 1174
3D truss model
# Remove existing model wipe model BasicBuilder -ndm 3 -ndf 6 node 1 0 0 0 node 2 0 2400 0 node 3 1200 2400 0 node 4 1200 0 0 fix 1 1 1 1 0 0 0 fix 4 1 1 1 0 0 0 fix 2 0 0 1 0 0 0 fix 3 0 0 1 0 0 0 uniaxialMaterial Elastic 1 3000 # Create truss elements - command: element truss trussID node1 node2 ...
- Thu Jan 07, 2021 3:39 am
- Forum: OpenSees.exe Users
- Topic: get node and element tags
- Replies: 0
- Views: 3955
get node and element tags
Hi, In opensees wiki - I am unable to find getEleTags and getNodeTags commands. The pages have been deleted. Do you know the reason. I see it in OpenSeesPy. But unable to find in OpenSees. Even in developer wiki - many things are missing - for example - adding an nDmaterial, adding used defined solv...
- Sat Nov 28, 2020 5:47 pm
- Forum: OpenSees.exe Users
- Topic: Simple fixed beam question
- Replies: 3
- Views: 2599
Re: Simple fixed beam question
Hi,
I am not sure about STKO, but see if this helps.
https://portwooddigital.com/2020/08/27/ ... -marplots/
This is a article written by Prof. Scott.
I am not sure about STKO, but see if this helps.
https://portwooddigital.com/2020/08/27/ ... -marplots/
This is a article written by Prof. Scott.
- Fri Nov 27, 2020 10:47 pm
- Forum: OpenSees.exe Users
- Topic: OpenSees original framework
- Replies: 2
- Views: 901
Re: OpenSees original framework
Dear sir, Sorry for troubling you but, it gives me an error - "cannot open input file 'ifconsol.lib' I have included intel parallel studio version of 'ifconsol.lib' in the additional library directories and OpenSees Tcl version compiles well with that and even OpenSeesPy compiles well with that. But...
- Thu Nov 26, 2020 8:23 am
- Forum: OpenSees.exe Users
- Topic: OpenSees original framework
- Replies: 2
- Views: 901
OpenSees original framework
Hi, Where can I find the original framework of OpenSees - without Tcl or Python interpreters, where user can supply his own main function. Does the current github version support that thing i.e. can I insert my own main function with all the current elements and materials in place? Please tell me th...
- Sat Nov 21, 2020 11:08 pm
- Forum: OpenSeesPy
- Topic: compiling OpenSeespy on windows
- Replies: 5
- Views: 3641
Re: compiling OpenSeespy on windows
Thank you sir. I followed the same process you have shown in your video. It's compiling ! One reason the compels me to use OpenSees is the support that we get from the developers directly. They give time and help for others to benefit from their software. This is the unique feature of this project. ...
- Sat Nov 21, 2020 9:00 am
- Forum: OpenSeesPy
- Topic: compiling OpenSeespy on windows
- Replies: 5
- Views: 3641
Re: compiling OpenSeespy on windows
Thank you sir. I tried your approach. But because I am on the other part of the globe - mine is 11/21/2020 version of OpenSees. (Shouldn't be a problem) But I get this error for all elements: "getRayleighDampingForces" is not a member of "ForceBeamColumn2" .... .... .. like this I am getting errors ...
- Thu Nov 19, 2020 5:53 pm
- Forum: OpenSeesPy
- Topic: compiling OpenSeespy on windows
- Replies: 5
- Views: 3641
compiling OpenSeespy on windows
Hi,
Can somebody tell me the process of compiling OpenSeespy from OpenSees source code on windows.
Thank you,
Ashok.
Can somebody tell me the process of compiling OpenSeespy from OpenSees source code on windows.
Thank you,
Ashok.
- Thu Nov 05, 2020 5:19 am
- Forum: OpenSees.exe Users
- Topic: How to apply the cyclic lateral load from a file
- Replies: 2
- Views: 841
Re: How to apply the cyclic lateral load from a file
Dear Pham, Refer to this " https://opensees.berkeley.edu/wiki/index.php/Pinching4MaterialExample " page. Download the three '.tcl' files. One of them, procRCycDAns.tcl has the code by which you can adjust the parameters such that cyclic loading pattern matches your experimental input cyclic loading ...
- Tue Oct 27, 2020 12:28 am
- Forum: OpenSeesPy
- Topic: OpenSees Support Group
- Replies: 1
- Views: 2906
Re: OpenSees Support Group
Good initiative ! Thank you.
- Tue Oct 27, 2020 12:11 am
- Forum: OpenSeesPy
- Topic: compiling OpenSeespy from OpenSees source
- Replies: 1
- Views: 1622
compiling OpenSeespy from OpenSees source
Hi,
I am able to compile OpenSees from source on my windows machine.
How to compile OpenSeespy?
Should I download something else ? Can you kindly direct me please...
Thank you,
Ashok
I am able to compile OpenSees from source on my windows machine.
How to compile OpenSeespy?
Should I download something else ? Can you kindly direct me please...
Thank you,
Ashok
- Thu Oct 22, 2020 12:20 am
- Forum: OpenSees.exe Users
- Topic: Frame buckling analysis
- Replies: 2
- Views: 904
Frame buckling analysis
Hi, I am trying to do stability analysis of steel structures... Can I do a critical load analysis of a frame with vertical load? It's a single bay, single storey steel frame. I am trying with eigen - but it is for natural frequency analysis I think - it is asking for mass. Is it possible to get the ...
- Sat Sep 05, 2020 2:11 am
- Forum: OpenSeesPy
- Topic: A simple column buckling analysis
- Replies: 11
- Views: 3643
Re: A simple column buckling analysis
I am getting the answer with the following code. But the value seems to be wrong, from calculation and from MASTAN2 Pcr = (pi)^2*E*I/L^2 The value is supposed to be 18545 N. But OpenSees is giving 5980 N. The working code: import openseespy.opensees as ops import openseespy.postprocessing.Get_Render...