A Newton solution for 3 coupled nonlinear elements has failed to converge within the iteration limit MAXZNO = 50.2 ^8 u/ s3 O. I
The current residual is 3.77841495E+02, which exceeds the sloppy convergence tolerance EPSTOP = 1.00000000E-01. The first of ' e. i, E e8 \4 ?0 athe coupled, true, nonlinear elements (in order of data input) is located in row 7 of the nonlinear element table, and it9 x) \3 v6 l( S1 ?2 k8 L) N
connects node "X0007C" with node " ". The final coupled element is in row 9, and the matrix rank is 3. Finally, the; N. }/ C" I/ [! V
simulation time is T = 1.08700000E-05. Possible corrective actions include a decrease in the time-step size DELTAT, an increase % `4 F* B) Z4 i9 fin the iteration limit MAXZNO, an increase in the divergence tolerance EPSTOP, and artificial splitting of the subnetwork in' ?8 M/ {$ d$ g4 B
question by distributed-parameter lines (to reduce the number of coupled elements). In addition, it is possible for the user to2 p6 I% Y5 w* M0 {4 Y
make a solution impossible by unrealistically limiting the Newton corrections. The user should remember that there can be no p( p6 ]+ D3 A
solution if his bound on arrester voltage is less than the true solution voltage. The bound has a default value of 1.5 per unit, $ H" s- H* }" O2 s" |& ualthough it can be changed by a"ZINC OXIDE" special request (columns 57-64, variable ZLIN(2)). Is this parameter involved? The : }0 g$ y! L( v, w* qnumber of solution variables that are being limited this way is 0. If this value is positive, think hard about ZLIN(2).