The results of the precise integration method agree well with the theoretical solution and have higher precision than those of the finite difference method.
数值算例表明,用精细积分法得到的解与精确解十分吻合,比有限差分法具有更高的精度。
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。
At present, the common numerical methods are finite difference, finite element, boundary element, integration equation and transmission line method.
目前,解决这类问题的数值方法主要有有限差分法、有限元法、边界元法、积分方程法、传输线法等。
The efficiency of forward calculation by finite element method is one order higher than that by immediate integration.
利用有限元方法进行正演计算的效率要比直接积分方法至少高一个数量级。
A precise time step integration method was proposed to solve the finite strain osmotic consolidation equation with varied coefficients.
提出精细积分半解析法求解变系数的以超孔压和孔隙比为控制变量的渗压固结微分方程。
A mathematical equation described by Euler method for simulating RTM process is established, and a finite element method with implicit time integration is used to solve this equation.
建立了基于欧拉方法描述树脂传递模塑(rtm)工艺充模过程的基本数学方程,并采用有限元隐式时间积分方法对基本方程进行了数值求解。
An implicit integration elastic stiffness method has been developed for the finite element analysis of rock and soil elastoplastic models.
本文提出了用于岩土弹塑性有限元分析的隐式积分弹性刚度算法。
The exact expression is obtained by integration method for a tightly wound rectangular solenoid of finite length, the result is plotted and discussed.
通过直接积分得到了有限长密绕矩形螺线管自感系数的精确表达式,并对结果进行了图示和讨论。
The transonic flow field around NACA 0012 airfoil is calculated by finite element method from pressure minimum integration, full potential equation being used.
本文采用压强极小积分有限元法计算了NACA 0012翼型的跨音速流场。出发方程为全速位方程。
This paper deals with the use of the curved finite difference scheme and two-step numerical integration method to solve the vibration problem of thin plates.
本文用曲线差分及两步数值积分法联合求解薄板的振动问题。
Finite volume method is a numerical method that discretizes the conservation laws in the integration form.
有限体积法是一种离散积分形式守恒律的数值方法。
Dynamic response of layered pavements subjected to dynamic loads is analyzed by using the three dimensional(3D) finite element method in conjunction with NEWMARK integration scheme.
应用三维有限元动力学的基本方法 ,结合Newmark积分方法逐步求解运动方程 ,对移动点荷载作用下温克勒地基上板的变形和应力响应进行了分析 。
The hierachical finite element technique has been applied in the time domain and a step-by-step integration method with high accuracy has been developed in this paper.
本文把升阶谱技术应用于时间域,建立了一种高精度的逐步积分法。
The hierachical finite element technique has been applied in the time domain and a step-by-step integration method with high accuracy has been developed in this paper.
本文把升阶谱技术应用于时间域,建立了一种高精度的逐步积分法。
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