Low-frequency vibrations of multispan beams of regular structure
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For multispan beams of periodic structure with constant characteristics between supports we obtain closed-form expressions for the monodromy matrix and the characteristic equations for its eigenvalues. In the low-frequency approximation we establish bounds on the first zone of instability of parametric vibrations of a homogeneous multispan beam. Bibliography: 4 titles.
KeywordsPeriodic Structure Periodic System Regular Structure Constant Characteristic Elastic System
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