Results 211 to 220 of about 75,020 (266)
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Vibrations of a rotating membrane with unsteady rotations of the axis of rotation
Strength of Materials, 1990A method and algorithm are developed for numerical calculation of the vibrations of a rotating circular membrane with a rigid central insert. The vibrations are caused by plane rotation of the rotation axis with a variable angular velocity. A system of differential equations is obtained to describe the motion of the membrane in relation to the stress ...
V. I. Gulyaev +3 more
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A new method for estimating the axis of rotation and the center of rotation
Journal of Biomechanics, 1999A new method is presented for estimating the parameters of two different models of a joint. The two models are: (1) A rotational joint with a fixed axis of rotation, also referred to as a hinge joint and (2) a ball and socket model, corresponding to a spherical joint. Given the motion of a set of markers, it is shown how the parameters can be estimated,
K, Halvorsen, M, Lesser, A, Lundberg
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The Determination of Rotation Axis in the Rotation Electron Diffraction Technique
Microscopy and Microanalysis, 2013AbstractMethods to determine the rotation axis using the rotation electron diffraction technique are described. A combination of rotation axis tilt, beam tilt, and simulated experimental diffraction patterns with nonintegers zone axis has been used. Accurate knowledge of the crystallographic direction of the incident beam for deducing the excitation ...
Mika, Buxhuku +3 more
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1974
The principal motions in most cutting operations are rotations: mainly the rotation of the workpiece in turning, cylindrical grinding, etc., and the rotation of the tool in boring, milling, etc.
P. Vanherck, J. Peters
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The principal motions in most cutting operations are rotations: mainly the rotation of the workpiece in turning, cylindrical grinding, etc., and the rotation of the tool in boring, milling, etc.
P. Vanherck, J. Peters
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Optical measurements of angle and axis of rotation
Optics Letters, 2008A carousel interferometer is designed to find the unknown angle and axis of rotation simultaneously. A set consisting of a compensator glass plate and a right-angle prism is placed in each of the two arms of the interferometer while located at the same rotational stage.
Ghazanfar, Hussain, Masroor, Ikram
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Measurement of the rotational transform at the axis of a tokamak
Physical Review Letters, 1987Measurements of the internal magnetic field structure of Texas Experimental Tokamak discharges are made by use of laser-induced fluorescence of an injected ${\mathrm{Li}}^{0}$ beam. From measurements near the magnetic axis, we obtain the axial safety factor, ${q}_{0}$ (or equivalently the rotational transform, \ensuremath{\iota}=2\ensuremath{\pi}/q ...
, West, , Thomas, , deGrassie, , Zheng
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Ultrasonic two-axis rotation detector
IEEE Transactions on Biomedical Engineering, 1990A two-axis rotation monitor is described which determines the relative displacement between a pair of ultrasonic detectors using the phase difference of a continuous ultrasound wave generated by a single, distant source. The monitor has been used to measure head rotations around the vertical and horizontal axes, but can easily be adopted to other body ...
Remy Rollero +4 more
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The explicit representation to the principal rotation angle and the principal rotation axis
Applied Mathematics and Mechanics, 1999zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Dui, Guansuo, Zhuo, Xiaobao
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2016
In this paper, authors discuss OC 152 as an example of the idea of modeling as it is used in the contemporary philosophy of science. In the first part, an analysis of OC 152 is supplied and three possible interpretations of the section. In the second part, Schulte’s analysis of OC 152 is presented.
Điri, Josipa +2 more
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In this paper, authors discuss OC 152 as an example of the idea of modeling as it is used in the contemporary philosophy of science. In the first part, an analysis of OC 152 is supplied and three possible interpretations of the section. In the second part, Schulte’s analysis of OC 152 is presented.
Điri, Josipa +2 more
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Two-axis euler rotation determination
Applied Mathematics and Computation, 2006Satellite orientation is usually expressed in terms of euler rotations about the three principal axes. Usually, the orientation is determined using the measurements of at least two known vectors. A variant to this problem is considered in this note.
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