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hello
I define a truss element.I have Force-deformation curve for the material definition.
If I want use steel01 material, and I do not have stress-strain material and I have only force-deformation material,
I do not use this problem.
thanks

Hello
I modeled a cruciform steel connection, when applied cyclic load on the top of the column,there is this warning
Super LU,Error to return to factorization dgstrf
Displacement control , new step , failed in solver
Static analysis, The integrator failed at iteration

hello I was create initial stress in a truss. I used “initstrain” in model. When run the model ,there is: Unbalanced load. I have a question: this program is True??? wipe; model BasicBuilder -ndm 2 -ndf 3 # Define Variables set d 0.010 set L 1.0 set A [expr $d*$d] set PT 10. set E 200.0e6 puts "...

Hello I am modelin a steel connection.I defind the strand parralel the beam with initstrain. then I apply cyclic load to the model. I use "constraints Lagrange" .I use hardening material for beam and column. in the first cycle, the program converge,but at second step, program not converge!...

hello I modeled the post tension steel connection with angle . I model strand with truss, angle with truss(steel02), Gap opening with zerolenght element(ENT material). beam and column with element dispBeamColumn(hardening material with Wsection).Rigid-links are used between the nodes of beam/column ...

hello I modeled the post tension steel connection with angle . I model strand with truss, angle with truss(steel02), Gap opening with zerolenght element(ENT material). beam and column with element dispBeamColumn(hardening material with Wsection).Rigid-links are used between the nodes of beam/column ...