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- W3004524094 abstract "The free oscillations of a system with one degree of freedom are considered under the assumption that the elasticity of a spring is proportional to the cubic root of its deformation. Two forms of the analytical solution of the nonlinear differential equation of motion of the oscillator are obtained. In the first displacement of the oscillator in time is expressed in terms of incomplete elliptic integrals of the first and second kind. In the second form, the solution is expressed in terms of periodic Ateb-functions. The tables of the involved functions are made, which simplify the calculation. Formulas are also derived for calculating the oscillation periods when the oscillator is signaled or the initial deviation from the equilibrium position or the initial velocity (instantaneous pulse) in this position. The dependence of the oscillation period on the parameters of the oscillator and the initial conditions is established. Examples of calculations of oscillations are presented with the use of compiled tables of special functions and using the proposed approximations of the Ateb-functions. Comparison of numerical results obtained by different methods is made." @default.
- W3004524094 created "2020-02-14" @default.
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- W3004524094 date "2017-05-25" @default.
- W3004524094 modified "2023-09-27" @default.
- W3004524094 title "Modeling the motion of an oscillator with a soft elastic characteristic" @default.
- W3004524094 doi "https://doi.org/10.15407/fmmit2017.25.113" @default.
- W3004524094 hasPublicationYear "2017" @default.
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