In numerical computation by the finite element method it is also convenient to use the loading-unloading criteria and the constitutive equations formulated in strain space.
在有限元方法的数值计算中使用应变空间表述的加-卸载准则和本构方程也是很方便的。
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。
The structure scheme of baffle for space optical remote sensor is selected by means of finite element method.
利用有限元工程分析技术对空间光学遥感器的遮光罩结构方案进行了选择。
Aiming at sheet space structure system, the finite element method in quantitative analysis about contact problem is studied in this thesis.
针对板片空间结构这一结构形式，研究了接触问题定量化分析的有限元方法。
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。
Professor chan specializes in structural engineering , his main research interests are in the areas of higher order finite element method , shearwalls and corewalls , and plate and space structures.
陈教授为结构工程学专家，主要研究领域包括高级有限元分析法剪力墙和核心墙板和空间结构。
The phase-space finite element method is applied to the multigroup neutron transport equation in cylindrical critical systems.
本文采用相空间有限元方法求解了柱形临界多群中子输运问题。
Based on a special method of Neural Networks, the finite element model about a larger complex space latticed truss structure was corrected.
依据神经网络的方法完成了对大跨度复杂体型网架结构有限元模型的修正。
The mechanics analysis for the primary mirror used in the space camera under the processing conditions is first carried out by finite element method.
本文用有限元法首次对正在加工中的空间相机主镜进行力学分析。
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。
Numerical examples show that the incremental finite element method presented in this paper can analyse the geometrically nonlinear problems of space trusses satisfactorily and effectively.
算例表明：采用本文理论可以极为有效地分析各类空间桁架几何非线性问题。
Secondly, the use of space finite element method, the structure under different temperatures in response to the analysis.
其次，利用空间有限元方法，对结构在不同温度作用下的响应进行了分析计算。
The Galerkin finite element method is applied to obtain simultaneous solutions in the space domain to the governing equations where the displacements and the fluid pressures are the primary unknowns.
利用有限元方法得到了控制方程中未知的位移和流体压力在几何域上的耦合解。
With the example of space charge measured by PEA, the distribution of electrical stress in sample due to space change is analyzed and calculated in detail using finite element method.
用有限元法分析、计算试样中空间电荷引起的电场畸变方便、迅速，表现直观。
This paper describes a suitable method of optimum design adopting systematic iteration on composite space truss, and the finite element analysis and the optimum technology are applied in the method.
结合有限元分析和最优技术给出适合工程应用的组合网架优化设计方法。
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 this paper, a finite element method with lumped mass formulation is applied to analyse the transient SH wave propagation in an elastic half-space with a dipping layer.
本文采用一种类似于差分方法的集中质量有限元模型和人工边界透射理论分析倾斜成层弹性半空间中瞬态SH波的近场波动问题。
Use of the finite element method, the thermal environment of space under the support of the inflatable antenna and the temperature distribution and thermal deformation.
利用有限元方法，分析了空间热环境下的支撑管和充气天线的温度场分布和热变形问题。
In computation, an improvement was made for the current finite element method; the space of storage was decreased and the computing speed was increased.
在计算方法上，本文对流行的有限单元方法进行了改进，使存贮减少，并提高了计算速度。
Based on strength reduction method, simplified the space problem as plane axisymmetric problem, the finite element method is used to evaluate the base stability of circular foundation pit.
基于强度折减法，将空间问题简化为平面轴对称问题，利用有限元方法对圆形基坑的稳定性问题进行了分析。
Based on the finite element method (FEM), the negative-refraction (NR) property is demonstrated when the electromagnetic wave penetrates through free space into such SNG lamellar structure.
基于有限元方法，验证了当电磁波穿过此结构时的负折射性质。
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。
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