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Hi Wael Elhaddad, Thank you for your answer. I do not have the source to compile. I will really appreciate if you can share the file you compiled with me. I have created a box folder, where you can upload it. Here the link: https://uofi.box.com/s/bzu8pfi95yykhd6jhn6z Thank you in advance for your ti...

Elhaddad, I am having the same troubles that you faced in March, were you able to somehow include the mass in your shell element? Thank you for the response. I am trying to run properly a linear dynamic analysis in a rectangular tunnel with Shellelements. I need my tunnel model to work to include it...

Hello everyone, I am trying to use Shell elements to define a tunnel under dynamic analysis. But I am having troubles if my analysis has shell elements with non-zero rho value and subjected to ground excitation. My model has 1026 nodes and 988 elements. Element type: ShellMITC4 Material: section Ela...

Hi, I am trying to run a 3D nonlinear time history analysis of a soil model. I am using the PressureDependMultiyield model in Bbarbrick elements. The model consists of 35046 nodes and 31668 elements. I am using the option of introducing the modulus reduction curves manually. The error I am getting i...

I am using Bbarbrick and it is working properly.

Hi, Thank you for your post. As I explained I am using the PressureDependent model with the user defined modulus reduction curves, if I ran the same model with the PressureDependent automatic curves I do not get the error. I found the error here: http://opensees.berkeley.edu/WebSVN/filedetails.php?r...

I want to run a time history analysis in a 3D soil model with 35046 nodes and 31668 Bbarbricks elements. I am using the PressureDependentMultiyield soil model with the option of user defined surfaces. After my model passes the update of the material from elastic to plastic, I get this warning two ti...

Thank you Frank for your answer. I recorded the OpenSees Interpreter when I ran my nonlinear model to make sure if the Warning was the cause of the time history to stop running. I actually found out that after the 2 warnings, I get this message: FATAL: second_order_eqn: Complex roots I tracked it do...

Hello: I want to run a time history analysis in a 3D soil model with 35046 nodes and 31668 elements. I am using the PressureDependentMultiyield soil model using Bbarbricks elements. After my model passes the update of the material from elastic to plastic, I get this warning two times: WARNING invali...

Thank you for your advice. I already submitted ticket# 5513 requesting access to the workspace.

Thank you for the answer. I am indeed using sparse solver. I left the model running in NEESHub, and it was running slowly, but running. The next day when I logged in to my session, the OpenSees Interpreter was frozen, meaning the the screen was grey. I opened again the OpenSees Interpreter from the ...

I left the model re-running in NEESHub, and it got frozen again. I am getting this filexfer469.log: started on Thu Jan 17 11:56:58 EST 2013 listening on port 9037 accepted client sock2 on 127.0.0.1 REQUEST: IMPORT /tmp/upload467.html ABSOxf6Ln2oaiSz5 FILEXFER/1.0 accepted client sock3 on 128.46.19.1...

I am running a 3D soil model using Bbarbrick with around 32000 elements in NEESHub. Yesterday I left it running, and it was running slowly, but running. And today when I logged in to my session, the OpenSees Interpreter was frozen, meaning the the screen was grey. I opened again the OpenSees Interpr...

I am trying to run a dynamic analysis for a 3D soil model using Bbarbrick elements with 31668 elements and 35046 nodes in OpenSees 2.4, do you think it is necessary to use parallel processing for this problem? I have run successfully a column of soil with the same soil and analysis properties for ma...

I am trying to run a dynamic analysis for a 3D soil model using Bbarbrick elements with 31668 elements and 35046 nodes in OpenSees 2.4, do you think it is necessary to use parallel processing for this problem? I have run successfully a column of soil with the same soil and analysis properties for ma...