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Thank you!

the way that i apply gravity is right.

I should use geomTransf PDelta considering second-order P-Delta effects.

The gravity load is applied first,and the fixed invariably during the calculating process.

I want to know whether the way I applying load is right?

if it is right, I want to know how to carry out the P-Delta effect in the opensees.

many thanks to you!

hello, everyone I am calculating a RC cantilever column subject to cyclic horizontal displacement. I found that changing the axial load level on the column has no effect on the result. What's wrong with my script? Would you like to give me some suggestion? I have attached the part of applying load i...

you can try these commands. ##============================= recorder display DispShape 10 20 800 800 -wipe # next three commmands define viewing system, all values in global coords vrp 50.0 50.0 0 # point on the view plane in global coord, center of local viewing system vup 0 1 0 # dirn defining up ...

I have got a new paper on Beamcolumn joint element written by Laura. In this paper, she modified the barslip and pinching4 material. For exampe, to barslip material, she changed the failure ruler from "the slip exceeds 3mm" to "strength reduction defining using two correlative equatio...

thanks a lot!

Hi, silvia I use BeamwithHinge to model a concrete filled steel tube (CFST) column which plastic hinge occured at the ends. According to the user manual, the young's modulus should be input. but the young's modulus is not the same in calculating axial load and bending moment if the CFST column is lo...

Thank you for everyone's help! I try the recorder command with -dT 0.02 for a proc with monotonic displacement, it work well. :) But when I try the command on a cantilever subjected to a cyclic load history, the example in the part of PINCHING4 Uniaxial Material Model Discussion of the manual, it do...

Hi, silvia: I found a strange new question during modifying the proc (I didn't modify nothing else except the command of recorder). My initial command is: recorder Node quhui.out disp -load -node 10 -dof 1 I want to output the horizontal load and horizontal displacement of evey increment for node 10...

I have tried again and again, but I fail. In my proc, I use Displacement control, not transient analysis. If is it wrong to use : recorder Node -file $fName.out -dt 0.01 -time -load -node 10 -dof 1 disp? Maybe it is : recorder Node -file $fName.out -du 0.01 -time -load -node 10 -dof 1 disp or someth...

I used the lasted version: opensees exe.1.7.2

Many thanks for everyone! I am sorry that my script still doesn't work. Is there a mistake in my script? It is part of my script below, perhaps the problem is in procRC.tcl. But I cann't check it out. It is very long :oops: ####################################### pattern Plain 2 Linear { load 10 0 -...

My result file is 580M. It is so large that no software can open it.

Dear silvia:

Thank you very much!

I had modified the command as you told me.

It worked, but I found the results were recorded at every increment, not every 0.01 increment.

Dear silvia: I am using opensees to simulate CFST joint under cyclic horizontal load. Now, my result file is very large, so I try modifying the recorder command to decreasing it. The command I modified as follows: the first, recorder Node $fName.out 0.01 disp -load -node 10 -dof 1 but opensees gave ...