Search found 5 matches

by baijiulin
Tue Jan 21, 2014 7:03 pm
Forum: OpenSees.exe Users
Topic: SteelBRB element
Replies: 6
Views: 3186

Re: SteelBRB element

For SteelBRB material, the command is: uniaxialMaterial SteelBRB $matTag $E $sigmaY0 $sigmaY_T $alpha_T $beta_T $delta_T $sigmaY_C $alpha_C $beta_C $delta_C <Tol> ; where the meaning of each parameter can be found from http://opensees.berkeley.edu/WebSVN/filedetails.php?repname=OpenSees&path=%2Ftrun...
by baijiulin
Thu Jun 24, 2010 6:46 am
Forum: OpenSees.exe Users
Topic: question about eigen
Replies: 1
Views: 697

question about eigen

hi,I have built a 3D model ,when I want to get the eigenvalue use the command like : puts [eigen 1] eigen frequency 1 recorder Node -file $data/eigenvectors1.out -iNode $SupportNodeFirst -jNode $FreeNodeID -dof 1 "eigen 1" set outfile [open "eigenvalues.txt" "w"] set eigenvalues [eigen 1] puts $outf...
by baijiulin
Thu Apr 22, 2010 6:23 am
Forum: OpenSees.exe Users
Topic: Assembled stiffness matrix and the section failure
Replies: 0
Views: 559

Assembled stiffness matrix and the section failure

Hello all. Can we extract the assembled stiffness matrix of the model when we do ststic pushover analysis? If can,how to make it in each step in pushover analysis? Also,can you give me some idea or suggestions on how to define a section(beams and column) failure? If we have the definition of section...
by baijiulin
Tue Dec 22, 2009 12:24 am
Forum: OpenSees.exe Users
Topic: Example on Dynamic Reliability Analysis (FORM) ?
Replies: 3
Views: 2601

Re: Example on Dynamic Reliability Analysis (FORM) ?

Excuse me, can you send the example of static reliability analysis to me(baijiulin@126.com)?please,thank you!
by baijiulin
Sat Nov 21, 2009 4:10 am
Forum: OpenSees.exe Users
Topic: A problem with beamWitnHinges
Replies: 1
Views: 646

A problem with beamWitnHinges

Hi,all
I have a problem when i use the element beamWitnHinges,how could I get the value of E(Young's Modulus)? E is the concrete's E or the combination of concrete and the steel bars?







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Bai Jiulin
HIT, China