Analysis failed

[lpockels]

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Hi, I am having the following error. Do you have any idea as to what would be the cause of it?:



loaded symbol "H5T_NATIVE_INT_g".
loaded symbol "H5T_IEEE_F64LE_g".
loaded symbol "H5T_NATIVE_DOUBLE_g".
loaded symbol "H5T_C_S1_g".
loaded symbol "H5P_CLS_FILE_CREATE_ID_g".
loaded symbol "H5P_CLS_FILE_ACCESS_ID_g".
loaded symbol "H5P_CLS_GROUP_CREATE_ID_g".
Increment: 1. time_increment = 0.005. Current time = 0.0
WARNING: numeric analysis returns -1 -- Umfpackgenlinsolver::solve
WARNING Linear::solveCurrentStep() -the LinearSOE failed in solve()
DirectIntegrationAnalysis::analyze() - the Algorithm failed at time 0.005
OpenSees > analyze failed, returned: -3 error flag
ERROR: the analysis did not converge
while executing
"error "ERROR: the analysis did not converge""
("for" body line 25)
invoked from within
"for {set increment_counter 1} {$increment_counter <= $initial_num_incr} {incr increment_counter} {

if {$process_id == 0} {
puts "Increment: $incr..."
(file "analysis_steps.tcl" line 4861)
invoked from within
"source analysis_steps.tcl"
(file ".\main.tcl" line 19)
Press any key to continue . . .

[STKO Team]

It is saying that the numerical analysis failed. It means your model is not properly constrained.