研究了一类非线性尘埃等离子体孤波解.首先构造一个变分迭代,其次决定系统的初始近似,最后通过变分迭代方法得到了对应模型的各次近似解.
A class of nonlinear solitary waves in dusty plasma is considered. Firstly,a variational iteration is constructed. Then the initial approximate solution is determined. Finally,using the method of the variational iteration,each degree approximation for corresponding model is found.