Topic
Bending moment
About: Bending moment is a research topic. Over the lifetime, 14577 publications have been published within this topic receiving 158834 citations. The topic is also known as: bending moment.
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TL;DR: In this paper, a smart structure was tested for active vibration control of frame structures in which the bending moment of the columns was controlled by stack-type piezoelectric actuators integrated into the columns.
Abstract: A smart structure was tested for active vibration control of frame structures in which the bending moment of the columns was controlled by stack-type piezoelectric actuators integrated into the columns. Excitation tests were carried out for a model of a four-storey building 3.7 m in height and 2000 kg in total weight in which thirty-two piezoelectric actuators were used for bending moment control. The actuators were installed in two ways: in one case eight actuators were attached to each column of the first storey, and in the other case four actuators were attached to each column of the first and second storeys. Two control strategies, a model-matching method and the control theory, were examined for the smart structure. The tests showed that the smart structure could effectively reduce the responses of the building model, and all combinations of actuator installation method and the control strategy yielded almost the same performance.
87 citations
TL;DR: In this paper, a nonlinear finite element model of a hull girder under different hold loading conditions is presented, and a mesh convergence study is carried out to find the appropriate mesh for the model.
86 citations
TL;DR: The strong mode preferences show by curvature-controlled flagellar models, in contrast to the weak or absent mode preferences shown by real flagella, therefore do not demonstrate the inapplicability of the moment-balance approach to real flaglla, but indicate a need to specify additional properties of real flageslla that are responsible for selecting particular operating points.
86 citations
TL;DR: In this article, the authors investigated the effect of input motion frequencies on the seismic behavior of a square tunnel with isolation layer around its outer surface and showed that the bending strains of tunnel with isolating layer around the outer surface are lower than those of tunnel without isolation layer, which indicates that isolation layer has positive effect on moment reduction, especially at corners.
86 citations
TL;DR: In this paper, an analytical solution is derived to investigate the seismic response of long tunnels, built in non-homogeneous ground, subjected to sinusoidal shear motions, where the tunnel is excavated in two different soil deposits that have a sharp contact and there is a transition zone through the contact.
86 citations