A two-storey building structure is shown in Figure 5. The beams are assumed as rigid and the flexural rigidity of the columns is given in the figure. a) determine vibration frequency and mode shape of the structure; b) check the orthogonality condition of the derived mode shape; and c) determine the Rayleigh damping matrix of the system with 5% damping for both modes.
A two-storey building structure is shown in Figure 5. The beams are assumed as rigid and the flexural rigidity of the columns is given in the figure. a) determine vibration frequency and mode shape of the structure; b) check the orthogonality condition of the derived mode shape; and c) determine the Rayleigh damping matrix of the system with 5% damping for both modes.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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![A two-storey building structure is shown in Figure 5. The beams are assumed as rigid and the flexural
rigidity of the columns is given in the figure. a) determine vibration frequency and mode shape of the
structure; b) check the orthogonality condition of the derived mode shape; and c) determine the Rayleigh
damping matrix of the system with 5% damping for both modes.
M=10000 kg
El=10,000 kNm
El=10,000 kNm
3m
М-20000 kg
EI=30,000 kNm
EI=30,000 kNm
3.0m
Figure 5](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F38202e90-57c1-42e0-910e-a2697e3ac85b%2Fd7bf9c47-5356-42a7-b1ea-4aa6cf197300%2F6ppqo0l_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A two-storey building structure is shown in Figure 5. The beams are assumed as rigid and the flexural
rigidity of the columns is given in the figure. a) determine vibration frequency and mode shape of the
structure; b) check the orthogonality condition of the derived mode shape; and c) determine the Rayleigh
damping matrix of the system with 5% damping for both modes.
M=10000 kg
El=10,000 kNm
El=10,000 kNm
3m
М-20000 kg
EI=30,000 kNm
EI=30,000 kNm
3.0m
Figure 5
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