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时间:2017-08-11 数学毕业论文 我要投稿

摘 要


关 键 词:有限元法;Fortran;Laplace方程


    This article discussed in the value computational method finite element method in view of the Laplace equation. The paper divides into two parts, the preceding part first elaborated the finite element method principle, the trend of development and the merit, the key elaboration finite element method problem solving thought and the general step, namely (this article used triangulation) from grid cutting in half to the final system of linear equations value solution, also has before this introduced some preparation knowledge introduction. Then carries on using the Fortran language the algorithm the realization, and (here after Guass order elimination) solves the system of linear equations using the direct method which the finite element separate obtains; The latter part narrated the value experiment, mainly has included the model question (variation question and finite element equation), the flow chart and some value experiment result analysis. The paper finally has also made the summary to this design, including the place which some attainments and the experience as well as needed to improve.

Keywords:Finite Element Method;Fortran;Laplace equation

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