Review of approximate equations for the pendulum period

PF Hinrichsen - European Journal of Physics, 2020 - iopscience.iop.org
Precision measurements of the pendulum period as a function of the amplitude can now be
made with a variety of instruments including MEMs gyro/accelerometers, and thus …

An analytical solution to the equation of motion for the damped nonlinear pendulum

K Johannessen - European Journal of Physics, 2014 - iopscience.iop.org
An analytical approximation of the solution to the differential equation describing the
oscillations of the damped nonlinear pendulum at large angles is presented. The solution is …

[HTML][HTML] Approximate solutions for the nonlinear pendulum equation using a rational harmonic representation

A Beléndez, E Arribas, M Ortuño, S Gallego… - … & Mathematics with …, 2012 - Elsevier
The exact expression for the maximum tension of a pendulum string is used to obtain a
closed-form approximate expression for the solution of a simple pendulum in terms of …

Dynamic behavior of a masonry bell tower subjected to actions caused by bell swinging

E Nochebuena-Mora, N Mendes, PB Lourenço… - Structures, 2021 - Elsevier
Seismic response of masonry towers has been widely studied, whereas research on their
behavior under other dynamic forces is not common. The aim was to study the dynamic …

Investigating the large angle of a physical pendulum using a smartphone's sensors

T Chatchawaltheerat, S Khemmani… - Physics …, 2021 - iopscience.iop.org
This paper demonstrates the use of a smartphone's sensors in recording experimental data
for investigating the large angle of a physical pendulum. The smartphone (iPhone 5s) was …

Resonance oscillation of a damped driven simple pendulum

D Kharkongor, MC Mahato - European Journal of Physics, 2018 - iopscience.iop.org
The resonance characteristics of a driven damped harmonic oscillator are well known.
Unlike harmonic oscillators which are guided by parabolic potentials, a simple pendulum …

The local period function for Hamiltonian systems with applications

CA Buzzi, YR Carvalho, A Gasull - Journal of Differential Equations, 2021 - Elsevier
In the first part of the paper we develop a constructive procedure to obtain the Taylor
expansion, in terms of the energy, of the period function for a non-degenerated center of any …

Analytical Approximate Solutions for the Cubic‐Quintic Duffing Oscillator in Terms of Elementary Functions

A Belendez, ML Alvarez, J Francés… - Journal of Applied …, 2012 - Wiley Online Library
Accurate approximate closed‐form solutions for the cubic‐quintic Duffing oscillator are
obtained in terms of elementary functions. To do this, we use the previous results obtained …

[HTML][HTML] Simple but accurate periodic solutions for the nonlinear pendulum equation

F Lima - Revista Brasileira de Ensino de Física, 2018 - SciELO Brasil
Despite its elementary structure, the simple pendulum oscillations are described by a
nonlinear differential equation whose exact solution for the angular displacement from …

A Padé approximant approach to two kinds of transcendental equations with applications in physics

Q Luo, Z Wang, J Han - European Journal of Physics, 2015 - iopscience.iop.org
In this paper, we obtain the analytical solutions of two kinds of transcendental equations with
numerous applications in college physics by means of the Lagrange inversion theorem …