1392/2/13 ، 10:41 صبح
لطفا سازه زیر رو برسی کنید در ضمن راه حل از بین بردن وارنینگ ها چی هستش
http://www.4shared.com/rar/giWrrelp/a-2.html?
* * * W A R N I N G * * *
NEGATIVE STIFFNESS FOUND DURING SOLUTION FOR DOF UZ OF JOINT 431
LOCATED AT X = 1093.667, Y = 730.000000, Z = 960.000000,
STIFFNESS MATRIX DIAGONAL VALUE = -0.007099,
* * * W A R N I N G * * *
THE STRUCTURE IS UNSTABLE OR ILL-CONDITIONED !!
CHECK THE STRUCTURE CAREFULLY FOR:
- INADEQUATE SUPPORT CONDITIONS, OR
- ONE OR MORE INTERNAL MECHANISMS, OR
- ZERO OR NEGATIVE STIFFNESS PROPERTIES, OR
- EXTREMELY LARGE STIFFNESS PROPERTIES, OR
- BUCKLING UNDER P-DELTA LOADS (IF ANY), OR
- AN EIGEN SHIFT (IF ANY) ONTO A NATURAL FREQUENCY
http://www.4shared.com/rar/giWrrelp/a-2.html?
* * * W A R N I N G * * *
NEGATIVE STIFFNESS FOUND DURING SOLUTION FOR DOF UZ OF JOINT 431
LOCATED AT X = 1093.667, Y = 730.000000, Z = 960.000000,
STIFFNESS MATRIX DIAGONAL VALUE = -0.007099,
* * * W A R N I N G * * *
THE STRUCTURE IS UNSTABLE OR ILL-CONDITIONED !!
CHECK THE STRUCTURE CAREFULLY FOR:
- INADEQUATE SUPPORT CONDITIONS, OR
- ONE OR MORE INTERNAL MECHANISMS, OR
- ZERO OR NEGATIVE STIFFNESS PROPERTIES, OR
- EXTREMELY LARGE STIFFNESS PROPERTIES, OR
- BUCKLING UNDER P-DELTA LOADS (IF ANY), OR
- AN EIGEN SHIFT (IF ANY) ONTO A NATURAL FREQUENCY