Abstract
Euler-Bernoulli beam model is used to analyze the thermal vibration of cracked metallic and laminated composite beam with fully clamped ends. An analytical solution technique is proposed to investigate the natural vibration of cracked beam subjected to axial thermal load. An open and stable crack is considered perpendicular to the beam axis. In this study, three different types of material such as steel, copper and aluminum and their composition are used to analyze the thermal effect on different modes of frequency. The effects of thermal stress on the vibration of cracked metallic and composite fully clamped beam are revealed. The results show that the effect of temperature is significant on the natural frequency of cracked metallic and composite beam.
Highlights
Effect of temperature is one of the important features for designing of structures efficiently
Euler-Bernoulli beam theory is employed to develop an analytical technique for analyzing thermal effect on dynamic behavior of cracked metallic and composite beam
The results are presented for three different types of material and their composite
Summary
Effect of temperature is one of the important features for designing of structures efficiently. The expansion and contraction of the element due to the temperature is proportional to the change of temperature This proportionality depends on the coefficient of linear thermal expansion of the material [2]. Lia and Zhang [10] investigated the thermal effect on EFFECT OF TEMPERATURE ON DYNAMIC BEHAVIOR OF CRACKED METALLIC AND COMPOSITE BEAM. Their results revealed that the dynamic behavior of structural elements is significantly affected by thermal effects. The effects of temperature on the dynamic behavior of cracked metallic and composite beam are investigated. The effect of temperature on the vibration of the cracked composite beam is analyzed and compared with the metallic beam in detail
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