目的为将水波绕射问题转化为一个二维的Helmhohz方程来求解。方法应用Nystrom方法来求解二维的Helmholtz方程。结果给出数值例子,并给出了数值解与解析解的对比结果。结论给出的数值模型有很高的精度。
Aim To deal with the linear wave diffraction,this problem into a two dimension Helmholtz equation by the airy wave theory. Methods A Nystrom method was preseneed to solve the two dimemsion Helmholtz equation.Results The result of the comparison of the accurate resolved and the numerical solves is presented. Conclusion Numerical examples illustrate the accuracy of the method.