Search found 39 matches

by QI
Mon Sep 24, 2007 10:56 pm
Forum: OpenSees.exe Users
Topic: ABOUT newline
Replies: 3
Views: 3789

Thank you!
by QI
Sun Sep 23, 2007 9:08 pm
Forum: OpenSees.exe Users
Topic: ABOUT newline
Replies: 3
Views: 3789

ABOUT newline

hello every body, now i have a problem , if some commad is so long that i can't complet the command by one line script,and how should i define a newline in a single command?
by QI
Fri Sep 07, 2007 4:18 am
Forum: OpenSees.exe Users
Topic: about hinge joint
Replies: 2
Views: 3570

thank you for your advice , Haraldinho! so i still have some problem. if i use beam with hinges element,how long the hinge length is? on the other hand,if i use Zero-Length Elements,how should i define the element property.in the Zero Length Element Examples manual,i don't know the reason of define ...
by QI
Fri Jul 27, 2007 10:10 pm
Forum: OpenSees.exe Users
Topic: about hinge joint
Replies: 2
Views: 3570

about hinge joint

Dear silvia
can you tell me how define hinge joint of column-beam?
thank you !
by QI
Thu Jun 07, 2007 9:44 pm
Forum: OpenSees.exe Users
Topic: about pushover analysis convergence
Replies: 4
Views: 4960

and in the pushover drift record document ,the drift have a great change in some time such as 1.06375 -0.00623771 1.06375 -0.00623771 1.06376 -0.00623771 1.06376 -0.00623775 1.06377 -0.00623777 1.06377 -0.00623779 1.06377 -0.0062378 1.06377 -0.00623782 1.06379 -0.00623804 1.06385 -0.0062387 1.06382 ...
by QI
Thu Jun 07, 2007 8:39 pm
Forum: OpenSees.exe Users
Topic: about pushover analysis convergence
Replies: 4
Views: 4960

my problem is the pushover analysis can not converge.what i doing is the 2ed shape modal pushover,i hope to get some help from you to improve the procedure(converge)
by QI
Wed Jun 06, 2007 9:31 pm
Forum: OpenSees.exe Users
Topic: about pushover analysis convergence
Replies: 4
Views: 4960

about pushover analysis convergence

hi every body i am having a convergence problem when do a pushover analysis,and how can i do to improve the convergence? thank you ! wipe # Define the model builder model BasicBuilder -ndm 2 -ndf 3 # Define nodes and constraints source nodesandconstraints.tcl #Define materials and Section source mat...
by QI
Sun May 13, 2007 4:47 am
Forum: OpenSees.exe Users
Topic: problem about period
Replies: 1
Views: 2610

problem about period

dear Silvia:
why we get completl different period when using different version?
by QI
Wed Apr 18, 2007 3:36 am
Forum: OpenSees.exe Users
Topic: A problem of modelling bending-shear-axial interaction
Replies: 3
Views: 4458

silvia wrote:please see the manual for:
Limit State Material
Contact Author:
Ken Elwood: http://www.civil.ubc.ca/faculty/KElwood/KElwood.html
silvia,Limit State Material has not added in opensees1.7.3,has it?
Limit State Material can not work, How shoud I do next ?
by QI
Tue Apr 17, 2007 6:32 am
Forum: OpenSees.exe Users
Topic: A problem of modelling bending-shear-axial interaction
Replies: 3
Views: 4458

silvia wrote:please see the manual for:
Limit State Material
Contact Author:
Ken Elwood: http://www.civil.ubc.ca/faculty/KElwood/KElwood.html

thank you very much ! I will do like what you tell me sooner
by QI
Tue Apr 17, 2007 6:22 am
Forum: OpenSees.exe Users
Topic: How can I get nonlinear results?thanks !
Replies: 3
Views: 4274

How can I get nonlinear results and diagrams?

silvia wrote:it may still be elastic.
yes
How can I difine a uniaxialMaterial and get nonlinear results and diagrams? can you help me ?
thank you very much !
by QI
Mon Apr 16, 2007 1:34 am
Forum: OpenSees.exe Users
Topic: A problem of modelling bending-shear-axial interaction
Replies: 3
Views: 4458

A problem of modelling bending-shear-axial interaction

hi everyone! I am a new leaner of opensees in china , I am my master paper about modelling bending-shear-axial interaction in a finite-beam element,i use the model of nonlinearBeamColumn and add a Hysteretic uniaxialMaterial to fiber section with aggregrator command,but the result is disillusionary ...
by QI
Mon Apr 16, 2007 12:37 am
Forum: OpenSees.exe Users
Topic: How can I get nonlinear results?thanks !
Replies: 3
Views: 4274

How can I get nonlinear results?thanks !

hi everyone ! I want to modal a portal frame with shear deformation.i use the model of nonlinearBeamColumn and add a Uniaxial-Material to fiber section with aggregrator command.but whether i add the Uniaxial-Material the diagram of shear stress-shear strain is linear all the same. :( How can I get n...
by QI
Wed Mar 28, 2007 12:09 am
Forum: OpenSees.exe Users
Topic: about eigen value!
Replies: 0
Views: 2095

about eigen value!

why a frame have totaly different eigen value when i use version 1.66 and 1.73.
by QI
Thu Mar 22, 2007 11:49 pm
Forum: OpenSees.exe Users
Topic: abut analysis error message
Replies: 1
Views: 2793

abut analysis error message

hello silvia.what does the follow message mean? how can i modify the mode to solve this problem? thank you! mfpackGenLinSOE::setSize - n 186 nnz 2412 lVal 48240 WARNING - ForceBeamColumn2d::update - failed to get compatible element forces & deformations for element: 16(dW: << -0.000325218) WARNI...