【摘要】 对孤立波在一维带电颗粒链中的传播进行了数值研究.结果表明,颗粒所带电荷量越大、杨氏模量越大或阻尼系数越小,产生的孤立波振幅越大.随着时间增加,孤立波振幅呈指数式衰减.颗粒所带电量及阻尼系数对衰减率具有明显影响,而杨氏模量的影响则相对较小.更多还原

【Abstract】 The propagation characteristics of solitary waves in a one-dimensional charged granular chain have been investigated numerically.The results show that the more charge quantity,the larger the amplitude of the solitary waves,as well as the Young’s modulus of the particles.However,weaker damping coefficient lead it larger.The amplitude of the solitary wave decays exponentially as time goes.It is also found that the charge quantity of particles and the damping coefficient affect the attenuation rate of the amplitudes significantly,but the influence of the Young’s modulus is not obvious.更多还原