Topic
Inertia
About: Inertia is a research topic. Over the lifetime, 12006 publications have been published within this topic receiving 164291 citations.
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TL;DR: In this article, a modeling method for the flapwise bending vibration analysis of a rotating multi-layered composite beam is presented, where the shear and the rotary inertia effects are considered based on Timoshenko beam theory and hybrid deformation variables are employed to derive the equations of motion.
45 citations
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07 May 2014
TL;DR: In this article, a high-precision three-dimensional posture inertia measurement system and method based on MEMS (Micro Electro Mechanical Systems), which relate to a highprecision 3D position inertia measurement method, is presented.
Abstract: The invention discloses a high-precision three-dimensional posture inertia measurement system and method based on MEMS (Micro Electro Mechanical Systems), which relate to a high-precision three-dimensional posture inertia measurement method. The system and the method disclosed by the invention aim for solving the problems that the existing three-dimensional posture inertia measurement equipment is low in cost and low in precision due to adoption of a sensor. A three-axis gyroscope sensor is used for sending measured angular speed data to an ARM (Advanced RISC Machines) processor; a three-axis accelerometer sensor is used for sending measured acceleration data to the ARM processor; a three-axis magnetometer sensor is used for sending measured magnetic strength data to the ARM processor; a temperature sensor is used for measuring and sending obtained temperature excursion data of the three-axis gyroscope sensor to the ARM processor; the ARM processor is used for processing the received data by means of front low-pass digital filtration, front-end data processing and expansion Kalman filtration respectively so as to obtain Euler angle three-dimensional posture inertia data or quaternion three-dimensional posture inertia data. The system and the method disclosed by the invention can be applied to the field of navigation control.
45 citations
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TL;DR: In this paper, the stability condition of masonry walls subjected to seismic transverse forces is investigated by translating the problem into the analysis of a fixed-free ended prismatic column undergoing static horizontal forces equivalent to the maximum inertia actions.
Abstract: The stability condition of masonry walls subjected to seismic transverse forces is investigated by translating the problem into the analysis of a fixed–free ended prismatic column undergoing static horizontal forces equivalent to the maximum inertia actions. The column is assumed to be made of a no-tension material, with a linear stress-strain law in compression. The solution is achieved by a numerical model in which the column is ideally divided into a sufficiently high number of elements, each with uniform curvature. With reference to the deformed shape corresponding to a given load condition, this approach allows the stress and strain characteristic quantities of a cross section to be expressed recursively, and the stability domain to be defined in dimensionless terms. In the general case of a column subjected to its own weight, to a concentrated eccentric compressive load acting at the top, and to the related horizontal inertia forces, the results show that large-displacement effects, due to the mater...
45 citations
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TL;DR: In this paper, the effect of wake-basing on the modified Morison equation was examined with smooth and sand-roughened cylinders moving with constant velocity in a sinusoidally oscillating flow to determine the drag and inertia coefficients.
45 citations
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TL;DR: In this paper, the Rouse model was generalized to include the inertia of the beads in the equations of motion, and the noninertial case was obtained as the zero mass limit in all steps of the development.
Abstract: The Rouse model for dilute polymer solutions undergoing homogeneous flows has been generalized to include the inertia of the beads in the equations of motion. To obtain the correct ‘‘diffusion equation’’ for the probability density distribution function in phase space, we generalize the diffusion equation derived by Murphy and Aguirre [J. Chem. Phys. 57, 2098 (1972)] from Hamilton’s equations of motion for an arbitrary number of interacting Brownian particles at equilibrium. Material functions are found, and the noninertial case is seen to be obtained as the zero mass limit in all steps of the development. In particular, the steady‐state shear results are unaffected by the inclusion of inertia. It is also shown how two assumptions, ‘‘equilibration in momentum space,’’ and the neglect of acceleration, made independently by Curtiss, Bird, and Hassager in their phase‐space kinetic theory, are actually the result of assuming zero mass.
45 citations