• 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,精细积分得到精确解十分吻合有限差分具有更高精度

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  • 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.

    传统有限单元常用时间积分相比,时空有限元精度稳定性方面具有一定优越性

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  • At present, the common numerical methods are finite difference, finite element, boundary element, integration equation and transmission line method.

    目前,解决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。

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  • 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效率要比直接积分方法至少一个数量级

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  • 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求解系数的以超孔压孔隙比为控制变量的固结微分方程

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  • 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采用有限元时间积分方法基本方程进行了数值求解

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  • An implicit integration elastic stiffness method has been developed for the finite element analysis of rock and soil elastoplastic models.

    本文提出用于岩土弹塑性有限元分析隐式积分弹性刚度算法

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  • The exact expression is obtained by integration method for a tightly wound rectangular solenoid of finite length, the result is plotted and discussed.

    通过直接积分得到有限矩形螺线管自感系数精确表达式,并结果进行图示讨论。

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  • 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计算了NACA 0012型的跨音速。出发方程为全速位方程。

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  • 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.

    本文曲线差分两步数值积分联合求解薄板振动问题

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  • Finite volume method is a numerical method that discretizes the conservation laws in the integration form.

    有限体积一种离散积分形式守恒数值方法

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  • 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 ,移动点荷载作用下温克勒地基上板变形应力响应进行了分析

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  • 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.

    本文升阶谱技术应用时间,建立了一种高精度的逐步积分

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  • 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.

    本文升阶谱技术应用时间,建立了一种高精度的逐步积分

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