Problem 1 Derive the (6×6) stiffness matrix for the following element. The element has properties: E₁→00, E2=2×10¹¹ Pa, I2=2×10¯4 m², A2=104 m². (Note the direction of local coordinate system and sequence of the degree of freedoms.) 4.5 m 24 1.5 m 5 3 E2A2, E2I2 E₁A₁, E₁₁

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Problem 1
Derive the (6×6) stiffness matrix for the following element. The element has properties: E₁→00, E2=2×10¹¹ Pa, I2=2×10¯4
m², A2=104 m². (Note the direction of local coordinate system and sequence of the degree of freedoms.)
4.5 m
24
1.5 m
5
3
E2A2, E2I2
E₁A₁, E₁₁
Transcribed Image Text:Problem 1 Derive the (6×6) stiffness matrix for the following element. The element has properties: E₁→00, E2=2×10¹¹ Pa, I2=2×10¯4 m², A2=104 m². (Note the direction of local coordinate system and sequence of the degree of freedoms.) 4.5 m 24 1.5 m 5 3 E2A2, E2I2 E₁A₁, E₁₁
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