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Determine the natural frequencies and mode shapes

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Reference no: EM13862513

A two-story building frame is modeled as shown in Fig. The girders are assumed to be rigid, and the columns have flexural rigidities El1 and El2, with negligible masses. The stiff¬ness of each column can be computed as

24Eli /hi3,      i= 1, 2

For m1 = 2m, m2 = m, h1=h2= h, and Eli = El, determine the natural frequencies and mode shapes of the frame.

543_building frame.png

Reference no: EM13862513

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