Badania dynamiki konstrukcji wagonu kolejowego

Research on the dynamics of railway car construction

  • Jarosław Bednarz Akademia Górniczo-Hutnicza w Krakowie, Katedra Robotyki i Mechatroniki
Keywords: Experimental Modal Analysis, dynamics of railway vehicles


Nowadays, one of the basic criteria of the design of mechanical structures  are dynamic properties of the object. They have a significant effect on the vibration, emitted noise, fatigue strength, controllability and stability of the structure. The structural models are most often use to describe the dynamics of the structures. These models are built in accordance with the principles of the finite element method . Structural model can be used to determine the modal model which is a collection of natural frequencies and corresponding mode shapes  by an appropriate coordinate transformation model. The construction process is called the modal analysis . The article presented a method of conducting the experimental modal  studies of railway car. The aim of the study was to identify the dynamic properties including the frequency and mode shapes of the object.


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Eksploatacja i Testy/Exploitation and Tests