Three-parameter and four-parameter models of mechanical systems were analyzed to assess the physicomechanical properties of polymer materials.An electromechanical analogy method was developed for characterizing the physicomechanical properties of polymer and fibre materials;one feature of the method is the physical directivity,i.e.,representation of the elements of mechanical systems in the form of equivalent electrical circuits.The quadrupole method was used for creating electrical models of the mechanical systems examined,which consisted of elastic,inertial,and friction elements.
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