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Lumn. When the motor rotates, try to find the maximum horizc -placement and the amplitude of the column end bending mom s known that the weight of the motor and the structure is ncentrated on the top of the column, W=20KN, the amplitude c rizontal centrifugal force of the motor FP=250ON, the motor spe =550r/min, the linear stiffness of the column i=EI,/h=5.88*10®F

Lumn. When the motor rotates, try to find the maximum horizc -placement and the amplitude of the column end bending mom s known that the weight of the motor and the structure is ncentrated on the top of the column, W=20KN, the amplitude c rizontal centrifugal force of the motor FP=250ON, the motor spe =550r/min, the linear stiffness of the column i=EI,/h=5.88*10®F

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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1. The structure shown in the figure has a motor on the top of the column. When the motor rotates, try to find the maximum horizontal displacement and the amplitude of the column end bending moment. It is known that the weight of the motor and the structure is concentrated on the top of the column, W=20KN, the amplitude of the horizontal centrifugal force of the motor FP-250N, the motor speed n=550r/min, the linear stiffness of the column i=EI,/h=5.88*10$N•cm Fp(t)=Fpcos Ot I→∞ EI El h=6 m
Transcribed Image Text:1. The structure shown in the figure has a motor on the top of the column. When the motor rotates, try to find the maximum horizontal displacement and the amplitude of the column end bending moment. It is known that the weight of the motor and the structure is concentrated on the top of the column, W=20KN, the amplitude of the horizontal centrifugal force of the motor FP-250N, the motor speed n=550r/min, the linear stiffness of the column i=EI,/h=5.88*10$N•cm Fp(t)=Fpcos Ot I→∞ EI El h=6 m
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