ZERO STIFFNESS IN DIRECTION 2 AT JOINT 29262 EQN.NO. 3665
LOADS APPLIED OR DISTRIBUTED HERE FROM ELEMENTS WILL BE IGNORED.
THIS MAY BE DUE TO ALL MEMBERS AT THIS JOINT BEING RELEASED OR
EFFECTIVELY RELEASED IN THIS DIRECTION.
ZERO STIFFNESS IN DIRECTION 6 AT JOINT 29262 EQN.NO. 3669
ZERO STIFFNESS IN DIRECTION 2 AT JOINT 29300 EQN.NO. 3677
ZERO STIFFNESS IN DIRECTION 6 AT JOINT 29300 EQN.NO. 3681
ZERO STIFFNESS IN DIRECTION 2 AT JOINT 29270 EQN.NO. 3701
ZERO STIFFNESS IN DIRECTION 6 AT JOINT 29270 EQN.NO. 3705
ZERO STIFFNESS IN DIRECTION 2 AT JOINT 29302 EQN.NO. 3707
ZERO STIFFNESS IN DIRECTION 6 AT JOINT 29302 EQN.NO. 3711
ZERO STIFFNESS IN DIRECTION 2 AT JOINT 7241 EQN.NO. 3731
ZERO STIFFNESS IN DIRECTION 6 AT JOINT 7241 EQN.NO. 3735
ZERO STIFFNESS IN DIRECTION 2 AT JOINT 29263 EQN.NO. 3755
ZERO STIFFNESS IN DIRECTION 6 AT JOINT 29263 EQN.NO. 3759
**WARNING - THERE WERE MORE THAN 12 DOF WITH ZERO STIFFNESS.
THE FIRST 12 ARE LISTED ABOVE.
TOTAL # TRANSLATIONAL= 7 TOTAL # ROTATIONAL= 7
***WARNING - INSTABILITY AT JOINT 29881 DIRECTION = MZ
PROBABLE CAUSE SINGULAR-ADDING WEAK SPRING
K-MATRIX DIAG= 8.0266941E+02 L-MATRIX DIAG= 5.7419811E-09 EQN NO 1455
***NOTE - VERY WEAK SPRING ADDED FOR STABILITY
**NOTE** STAAD DETECTS INSTABILITIES AS EXCESSIVE LOSS OF SIGNIFICANT DIGITS DURING DECOMPOSITION. WHEN A DECOMPOSED DIAGONAL IS LESS THAN THE BUILT-IN REDUCTION FACTOR TIMES THE ORIGINAL STIFFNESS MATRIX DIAGONAL,STAAD PRINTS A SINGULARITY NOTICE. THE BUILT-IN REDUCTION FACTOR IS 1.000E-09
THE ABOVE CONDITIONS COULD ALSO BE CAUSED BY VERY STIFF OR VERY WEAK ELEMENTS AS WELL AS TRUE SINGULARITIES.
