A finite element method with high accuracy is presented in this paper, which is used to form the finite element difference method.
给出了一种有限元高精度方法，即有限元差分法的一般构造原理。
Though the calculation of a piece of box culvert with a special-shaped structure the paper compares the difference between the traditional calculation method and solid finite element calculation.
通过对一块异形结构箱涵的计算，比较了传统计算方法与实体有限元计算的差异；
The natural vibration problem of the rod can be treated by discretion as a natural vibration problem of a spring-mass system, using finite element method or finite difference method.
杆件的固有振动问题，可用有限元方法或差分法离散化为一个弹簧-质点串联系统的固有振动问题。
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