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。
Compare to the conventional finite element method and common-used time integration methods, the space-time finite element method 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。
Then, the finite element method is used for synthetic in 2.5d space anisotropic media containing cracks. The results are showed by time snapshot.
其次，在2.5维空间，用有限元数值模拟方法模拟了裂隙各向异性介质波场，结果用波场切片做了显示。
The time difference equation derived from unsaturated flow equation can be approximated by Galerkin finite element or finite difference method for space coordinate derivatives.
所得的非饱和土壤水运动方程对时间的差分方程，在空间上不仅可用有限元法而且可用有限差分法处理。
The spline finite element procedure is used in space domain and the state space technique in time domain respectively.
对空间域采用混合样条元法，对时间域采用现代控制论中的状态空间法。
The finite element analysis is applied in space region and the state space precision method is used in time region.
对空间域采用有限元计算，对时间域采用状态空间精细法。
The spline finite element is used for space domain and the state space method is used for time domain respectively.
对空间域，采用样条有限元法；对时间域，采用现代控制论中的状态空间法。
In finite element analysis, the bandwidth of the whole stiffness matrix is reduced by optimizing the node numbering, thereby the needed memory space is saved and the calculation time is reduced.
在有限元计算过程中，可通过优化节点编号来减少整体刚度矩阵的带宽，从而节约存储空间，减少有限元分析的计算时间。
A 1d finite element method in time domain is developed, where the wave motion of free field in elastic half-space by SH wave oblique incidence is simulated.
提出了一种计算出平面SH波斜入射时弹性半空间自由波场时域计算的一维化有限元方法。
A 1d finite element method in time domain is developed, where the wave motion of free field in elastic half-space by SH wave oblique incidence is simulated.
提出了一种计算出平面SH波斜入射时弹性半空间自由波场时域计算的一维化有限元方法。
应用推荐