Dynamic Responses of Connected Bars to Impact Loads with Consideration of Shearing Deformation and Rotatory Inertia

抄録

This paper deals with a transient response problem of connected bars excited by the impact loads at rigid joints. In the analysis, an improved beam theory considering the effects of shearing deformation and rotatory inertia is applied to a bending motion of the bars. As a numerical example, we examine the dynamic response of an L-Bar to a step-function load to clarify the influence of the angle between its legs and slenderness ratio on the dynamic behaviors of the bar. The free vibration of the bar is also treated, and the results obtained from the improved theory are compared with those from the elementary one.