Reply To: How to check the boundary and conectivity?

[kengawk]

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ProfileSPDLinDirectSolver::solve() – aii < 0 (i, aii): (0,0)
domain error:argument not in valid range
while executing
“expr sqrt（$lambda）”
(“foreach” body line 2)
invoked from within
“foreach lambda $lambda (
set omega [expr sqrt($lambda)]
set period [expr 2.0*$pi/$omega]
set frequ [expr 1.0/$perild]
puts $eigFID…”
(file “jjmrr.tcl” line 75)

It seems that an unnecessary node could make the errors above when it exists in s2k file. This times it is hard to find them all out even in visualized model. In this situation, dead load analysis is failed too with the following erros.

UMD2FA:matrix is singular. Only 5244 pivots found.
WARNING UmfpackGenLinSolver::solve(void)-4 returned in factorization UMD2FA()
WARNING NewtonRaphson::solveCrrentStep()-the LinearSysOfEqn failed in solve()
StaticAnalysis::analyze()-the Algorithm failed at iteration:0 with domain at
load factor 1