Results 21 to 30 of about 113,864 (320)

Entrainment of an inertial reference frame by an accelerated gravitating shell

open access: green, 2000
For the example of an accelerated shell we show that omission of the energy-momentum tensor (EMT) of the body that causes the acceleration and the tensions due to this acceleration can lead to a paradoxical result; Namely, the entrainment of an inertial frame by the accelerated shell in the direction opposite to that of the acceleration.
Men'shikov, L. I.   +2 more
openaire   +4 more sources

An Alternative Theory on the Spacetime of Non-inertial Reference Frame

open access: goldApplied Physics Research, 2017
In present paper, we have proposed an alternative theory on the spacetime of non-inertial reference frame (NRF) which bases on the requirement of general completeness (RGC) and the principle of equality of all reference frames (PERF). The RGC is that the physical equations used to describe the dynamics of matter and/or fields should include the ...
Gordon Liu
openaire   +4 more sources

Online Handwriting Recognition Method with a Non-Inertial Reference Frame Based on the Measurement of Linear Accelerations and Differential Geometry: An Alternative to Quaternions

open access: goldMicromachines
This work describes a mathematical model for handwriting devices without a specific reference surface (SRS). The research was carried out on two hypotheses: the first considers possible circular segments that could be made during execution for the ...
Griselda Stephany Abarca Jiménez   +5 more
doaj   +2 more sources

Preliminary Development of a Database for Detecting Active Mounting Behaviors Using Signals Acquired from IoT Collars in Free-Grazing Cattle [PDF]

open access: yesSensors
This study presents the development of a database for detecting active mounts, utilizing IoT collars equipped with Inertial Measurement Units (IMUs) installed on eight Holstein Friesian cows, along with video recordings from a long-range PTZ camera ...
Miguel Guarda-Vera   +1 more
doaj   +2 more sources

Generalized q-Method Relative Pose Estimation for UAVs with Onboard Sensor Measurements [PDF]

open access: yesSensors
The q-method for pose estimation utilizes on-board measurement vectors of reference objects to calculate air vehicle position and orientation with respect to an Inertial frame.
Kyl Stanfield   +2 more
doaj   +2 more sources

THEGAIAINERTIAL REFERENCE FRAME AND THE TILTING OF THE MILKY WAY DISK [PDF]

open access: bronze, 2014
While the precise relationship between the Milky Way disk and the symmetry planes of the dark matter halo remains somewhat uncertain, a time-varying disk orientation with respect to an inertial reference frame seems probable.
M. A. C. Perryman   +2 more
openalex   +3 more sources

An Analysis of the Concept of Inertial Frame in Classical Physics and Special Theory of Relativity

open access: yesScience & Philosophy, 2022
The concept of inertial frame of reference in classical physics and special theory of relativity is analyzed. It has been shown that this fundamental concept of physics is not clear enough.
Boris Čulina
doaj   +1 more source

Rotating Newtonian Fluids in a Non-Inertial Frame of Reference

open access: goldInternational Journal of Physics and Research, 2021
Aman Mehta Aman Mehta, Tjprc
openaire   +2 more sources

A direct numerical simulation display of the rotational frame preference of turbulence

open access: yesAIP Advances, 2023
An elementary observation of a laminar cylindrical Poiseuille–Couette flow profile reveals no distinction in the parabolic streamwise profile, from one without a cross-stream flow, in whatever reference frame the observation is made.
Samuel D. Dunstan
doaj   +1 more source

Analytical Estimation of Time Dilation of a Satellite in Elliptical Orbit [PDF]

open access: yesINCAS Bulletin, 2018
This article describes the analytical estimation of time dilation along the elliptical orbit of a satellite due to effects of relativity where the functioning has been time-dependent.
G. PRASAD, P. MANIGANDAN
doaj   +1 more source

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