SIMULACION DEL MOVIMIENTO DE UN PÉNDULO DOBLE EN UN MEDIO VISCOSO
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Revista Boliviana de Física
Abstract
Se presentan las ecuaciones de movimiento de un pendulo doble con una resistencia proporcional a la velocidad usando el formalismo lagrangiano (este sistema de pendulo doble se simula con el lenguaje "yabasic"). Se resuelve dichas ecuaciones utilizando el metodo numérico de Runge-Kutta; como resultado se calcula el coeficiente de resistencia del medio mediante datos experimentales tomando como referencia un pendulo simple. Codigo(s) PACS: 45.20.Jj - 02.60.Cb Descriptores: Mecanica lagrangiana y hamiltoniana - Simulación numérica; solución de ecuaciones.
We present the movement equations of a double pendulum with a resistance proportional to the velocity using the lagrangian formalism (the double pendulum system is simulated with the "yabasic" language). We solve these equations using the Runge-Kutta numerical method; as a result, we calculate the resistance coefficient of the medium using experimental data taken from a simple pendulum as a reference. Subject headings: Lagrangian and Hamiltonian mechanics - Numerical simulation; solution of equations
We present the movement equations of a double pendulum with a resistance proportional to the velocity using the lagrangian formalism (the double pendulum system is simulated with the "yabasic" language). We solve these equations using the Runge-Kutta numerical method; as a result, we calculate the resistance coefficient of the medium using experimental data taken from a simple pendulum as a reference. Subject headings: Lagrangian and Hamiltonian mechanics - Numerical simulation; solution of equations
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Vol. 25, No. 25