"analyze 1" error
Moderators: silvia, selimgunay, Moderators
Re: "analyze 1" error
you could have also just used the Penalty method instead of the Plain method to enforce the constraints.
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- Posts: 3
- Joined: Sun Nov 06, 2011 6:25 am
- Location: Shahid Bahonar University Of Kerman
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Errors in 3D truss modelling or analysis
Hi to all.
My goal is doing an IDA analysis on Domes (spatial/space one), but in modelling I faced errors in doing a simple linear static analysis.
Errors like these:
"WARNING BandGenLinLapackSolver::solve<> -LAPACK routine returned 8
WARNING NewtonRaphson::solveCurrentStep<> -the LinearSysOfEqn failed in solve <>
StaticAnalysis::analyze<> - the Algorithm failed at iteration: 0 with domain at load factor 0.1
OpenSees > analyze failed, returned: -3 error flag
done with analysis"
I made a simple 3D truss for solving this error more easily.
Can you check this model in OpenSees and solve its problem?
I know this is a big requeat from me but it's very important.
Thank you so much.
# Units: kg, m, sec
model BasicBuilder -ndm 3 -ndf 6
node 1 0 0 1
node 2 0 1 0
node 3 1 0 0
node 4 1 1 0
node 5 0 0 0
fix 2 1 1 1 0 0 0
fix 3 1 1 1 0 0 0
fix 4 1 1 1 0 0 0
fix 5 1 1 1 0 0 0
pattern Plain 1 "Linear" {
load 1 0.0 0.0 -1 0.0 0.0 0.0
}
puts "ok1"
mass 1 0.5 0.5 0.5 0.000000001 0.000000001 0.000000001
uniaxialMaterial Steel02 1 24e6 2.1e10 0.01 10 0.925 0.15 0.005 0.01 0.005 0.01
element truss 1 1 2 0.001 1
element truss 2 1 3 0.001 1
element truss 3 1 4 0.001 1
element truss 4 1 5 0.001 1
constraints Transformation
numberer RCM
system BandGeneral
test NormDispIncr 1.0e-6 30
algorithm Newton
integrator LoadControl 0.02
analysis Static
recorder Node -file nodeDisp.out -load -node 1 -dof 1 2 disp
analyze 1
print node 1
My goal is doing an IDA analysis on Domes (spatial/space one), but in modelling I faced errors in doing a simple linear static analysis.
Errors like these:
"WARNING BandGenLinLapackSolver::solve<> -LAPACK routine returned 8
WARNING NewtonRaphson::solveCurrentStep<> -the LinearSysOfEqn failed in solve <>
StaticAnalysis::analyze<> - the Algorithm failed at iteration: 0 with domain at load factor 0.1
OpenSees > analyze failed, returned: -3 error flag
done with analysis"
I made a simple 3D truss for solving this error more easily.
Can you check this model in OpenSees and solve its problem?
I know this is a big requeat from me but it's very important.
Thank you so much.
# Units: kg, m, sec
model BasicBuilder -ndm 3 -ndf 6
node 1 0 0 1
node 2 0 1 0
node 3 1 0 0
node 4 1 1 0
node 5 0 0 0
fix 2 1 1 1 0 0 0
fix 3 1 1 1 0 0 0
fix 4 1 1 1 0 0 0
fix 5 1 1 1 0 0 0
pattern Plain 1 "Linear" {
load 1 0.0 0.0 -1 0.0 0.0 0.0
}
puts "ok1"
mass 1 0.5 0.5 0.5 0.000000001 0.000000001 0.000000001
uniaxialMaterial Steel02 1 24e6 2.1e10 0.01 10 0.925 0.15 0.005 0.01 0.005 0.01
element truss 1 1 2 0.001 1
element truss 2 1 3 0.001 1
element truss 3 1 4 0.001 1
element truss 4 1 5 0.001 1
constraints Transformation
numberer RCM
system BandGeneral
test NormDispIncr 1.0e-6 30
algorithm Newton
integrator LoadControl 0.02
analysis Static
recorder Node -file nodeDisp.out -load -node 1 -dof 1 2 disp
analyze 1
print node 1