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Hi ,
I want to test CFRP bar Material that used in RC sections instead of steel bars .
which material is better to define for CFRP bar?

i can not Understand your model !
can you put your model as picture in my email : yones_k_1985@yahoo.com

in every floor that you want to put shear wall , you should define multi nodes (such as 8 nodes) within floor so that last node embed on this floor and first node on low floor. between two nodes you should define DispbeamcolumnInt element.

Probably it can not be solved by using Plain constraint handler. See command language manual for other constraints handler
such as Penalty Method.

vesna wrote: > hysteretic material should be the right one to use. What is there that you > do not like in the response it gives you? hi vesna. in hysteretic material parameters , i embed third point below second point (slope of third line is negative) but after analysis , i do not see such this beh...

hello , i want to define trilinear force-deformation behavior for material that use in SDOF system, so that Third line have Negative slope. i use Hysteretic Material with pinchX =1 , pinchY= 1 , damage1= 0.0 , damage2= 0.0 , beta= 0.0 , but after analysis force-deformation diagram it 's not what I n...

For 2d modeling and analysis of RC shear wall use "dispBeamColumnInt" element . but still As far as I know, there is not element for 3d modeling and analysis of RC shear wall in opensees.

vesna wrote:
> The width of each fiber (strip) is hidden in the definition of the area of
> the fiber.

hi vesna ,
thanks for your reply.

tazarv wrote: > As far as I know, these two are totally different. In OpenSees you have the > option of two different input and output format. For example, your input > acceleration is 2000*0.02=40 sec. However, output can be totally different > such as 4000*0.01=40 or 2000*0.005=10sec or 3000*0.02=...

Dear all, exact height of sher wall is defined by $iNode and $jNode in "dispBeamColumnInt" command ,and exact thickness of the section is defined by " $thick1, $thick2, $thick3 " in "section FiberInt" command , but length of shear wall that defined by "fiber" ...

Dear all, I have a quesion about dynamic Analysis Time. when we have Uniform Excitation pattern with acceleration record file , the analyze command is define as: analyze $NumSteps $DtAnalysis where "NumSteps" is number of steps and "DtAnalysis" is time-step increment . if we assu...

vesna wrote: > The earthquake file you have is causing the convergence problems. Very > often it can be solved by using VariableTransient analysis. > > I just tested your script for the earthquake BM68elc.acc (used in the > example manual) and there was no convergence problems. Hello vesna . Thank y...

vesna wrote: > Would you post the warning message you get after running transient > analysis? hi vesna , thanks for reply. when I change the parameters of transient analysis (for converge problem) , these following errors create : WARNING: CTestEnergyIncr::test() - failed to converge after: 10 itera...

Hi , I have a problem when analyze (dynamic analysis subjected to a uniform earthquake excitation) my structure. The excitation acts in the horizontal direction and reads the acceleration record from the file "tabasFN.txt". My structure is 4 story 2D RC frame with Shear wall system and she...

hello , I want to model eccentric steel brace frame. This model is one story - one bay Frame and shape of brace is inverted V with 2 metre eccentric : ---------0-----------0--------- |+++++/++++++++++\+++++| |++++/++++++++++++\++++| |+++/++++++++++++++\+++| |++/++++++++++++++++\++| |+/++++++++++++++...