Abstract
Abstract A numerical analysis of the effect of temperature on the dynamics of the sandwich beam model with a viscoelastic core is presented. The beam under analysis was described with a standard rheological model. This solution allows one to study the effect of temperature on material strength properties. Calculations were performed with the Finite Element Method in the ANSYS software. The analysis of the results of the numerical calculations showed a significant influence of temperature on the strength properties of the model under test. The analysis confirmed damping properties of viscoelastic materials.
Highlights
A growing demand for lightweight and simultaneously durable materials, which can replace steel or other materials used in machine and device structures, gives rise to continuous development in this field of scientific investigations
The numerical calculations yielded values of frequencies of free vibrations and frequencies of forced vibrations excited with a harmonic sinusoidal force
A comparison of the numerical and analytical results to those obtained from the experiment showed that the resonance frequency value of the first mode was consistent
Summary
A growing demand for lightweight and simultaneously durable materials, which can replace steel or other materials used in machine and device structures, gives rise to continuous development in this field of scientific investigations. Such characteristics are met by structural composite materials. Due to their mechanical properties, composite materials are used in the aerospace, marine, automotive and space industries. They are characterized by high resistance to electrochemical corrosion, high strength and rigidity.
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