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Research on Planar Double Compound Pendulum Based on RK-8 Algorithm
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作者 Zilu Meng Zhehan Hu +2 位作者 Zhenzhen Ai Yanan Zhang kunling shan 《Journal on Big Data》 2021年第1期11-20,共10页
Establishing the Lagrangian equation of double complex pendulum system and obtaining the dynamic differential equation,we can analyze the motion law of double compound pendulum with application of the numerical simula... Establishing the Lagrangian equation of double complex pendulum system and obtaining the dynamic differential equation,we can analyze the motion law of double compound pendulum with application of the numerical simulation of RK-8 algorithm.When the double compound pendulum swings at a small angle,the Lagrangian equation can be simplified and the normal solution of the system can be solved.And we can walk further on the relationship between normal frequency and swing frequency of double pendulum.When the external force of normal frequency is applied to the double compound pendulum,the forced vibration of the double compound pendulum will show the characteristics of beats. 展开更多
关键词 Lagrangian equation RK-8 forced vibration beats of planar double compound pendulum
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