【摘要】 首先推导了谱元法在Helmholtz方程和热传导方程中的计算方法,然后以一个规则区域上的Laplace方程和路堤温度场分布的简化模型为算例,对比了有限元法和谱元法的计算效果,显示了谱元法在解决特定实际工程问题中的优越性。更多还原

【Abstract】 This paper firstly formulated the process of spectral element method for the Helmholtz and heat conduction equation,then used this method for the Laplace problem on a regular domain and a simplified temperature distribution model in an embankment,and compared the results with the h-type method,showing the priority of spectral element method(SEM) in certain engineering problems.更多还原