Irregular vibrations in multi-mass discrete-continuous systems torsionally deformed
AUTOR(ES)
Pielorz, A., Sado, D.
FONTE
Lat. Am. j. solids struct.
DATA DE PUBLICAÇÃO
2013-01
RESUMO
In the paper irregular vibrations of discrete-continuous systems consisting of an arbitrary number rigid bodies connected by shafts torsionally deformed are studied. In the systems a local nonlinearity described by the polynomial of the third degree is introduced. It is assumed that the characteristic of the local nonlinearity is of a hard type. Governing equations are solved using the wave approach leading to equations with a retarded argument. Exemplary numerical calculations are done for the three-mass system. The possibility of occurring of irregular vibrations is discussed on the basis of the Poincaré maps, bifurcations diagrams and the exponents of Lyapunov.
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