The method to calculate temperature profile is to combine finite difference of time with finite element of space.
温度场的计算采用时间域上的有限差分及空间域上的有限元相结合的方法。
2
Compare to the conventional finite elementmethod and common-used time integration methods, the space-time finite elementmethod has some advantages in precision and stability.
与传统的有限单元法和常用的时间积分法相比，时空有限元在精度和稳定性方面具有一定的优越性。
3
The time difference equation derived from unsaturated flow equation can be approximated by Galerkin finite element or finite difference method for space coordinate derivatives.