4. Using symmetry on the frame shown below, solve for the unknown displacements and rotations. When setting up the stiffness matrix you may neglect terms that would be used to find the reactions. Use a consistent unit system from the table below. Note, the connections at nodes 2 and 4 are pins that do not allow X and Y displacements but do allow rotations.
4. Using symmetry on the frame shown below, solve for the unknown displacements and rotations. When setting up the stiffness matrix you may neglect terms that would be used to find the reactions. Use a consistent unit system from the table below. Note, the connections at nodes 2 and 4 are pins that do not allow X and Y displacements but do allow rotations.
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Transcribed Image Text:4.
Using symmetry on the frame shown below, solve for the unknown
displacements and rotations. When setting up the stiffness matrix you may neglect
terms that would be used to find the reactions. Use a consistent unit system from the
table below. Note, the connections at nodes 2 and 4 are pins that do not allow X andY
displacements but do allow rotations.
60 kN
6 m
6 m
E- 210 GPa
| - 1.0 x 10m
A - 1.0 x 10-m
100 kN-m
100 kNm
6 m
Consistent Units
MASS
LENGTH TIME FORCE
STRESS
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