Search found 4 matches

by cdickof
Wed Apr 18, 2012 3:32 pm
Forum: OpenSees.exe Users
Topic: Help - Convergence with ElasticPPGap material
Replies: 1
Views: 1953

Re: Help - Convergence with ElasticPPGap material

I managed to fix part of the problem, but it is still not converging. I changed the nodes 303 and 302 to match the location of 103 and 102 and gave them equalDOFs in the x and y, and then I changed node 204 to be fixed instead of 202. When I run it not with a 0.0 initial gap, it runs, but when I giv...
by cdickof
Wed Apr 18, 2012 1:01 pm
Forum: OpenSees.exe Users
Topic: Help - Convergence with ElasticPPGap material
Replies: 1
Views: 1953

Help - Convergence with ElasticPPGap material

I have built a 2D frame connected to a quad element within the frame bay using twoNodeLink elements with elasticPPGap material. When I run it it fails and I get the following errors: WARNING BandGenLinLapackSolver::solve() -LAPACK routine returned 5 WARNING NewtonRaphson::solveCurrentStep() -the Lin...
by cdickof
Tue Jan 10, 2012 1:34 pm
Forum: OpenSees.exe Users
Topic: twoNodeLink Elements and SAWS hysteretic model
Replies: 1
Views: 1940

twoNodeLink Elements and SAWS hysteretic model

Hi, I am trying to put a twoNodeLink element into my program and cant seem to get it to work. I want to use the uniaxial SAWS hysteretic model that has been developed, but for some reason this element type doesnt work with that. IT doesnt even return any errors, it just never creates the elements an...
by cdickof
Wed Dec 07, 2011 6:27 pm
Forum: OpenSees.exe Users
Topic: Modelling concrete slabs
Replies: 12
Views: 14970

Re: Modelling concrete slabs

I have been trying to do the same thing and been getting the same error. I tried to input the solution above but got a new error: "WARNING block2D numX? numY? startNode? startELE? eleType? eleArgs? : invalid number of node args: 1" can anyone tell me how to fix this? My code is below: #SET...