采用差商-数值积分法求解辐射迁移问题。
A difference quotient-numerical integration method is adopted to solve radiative transfer problems in an anisotropic scattering slab medium.
边界型求积公式是数值积分法研究方向早就被注意的问题。
The construction of boundary type cubature is a problem that has been noticed for a very long time in numerical integration.
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。
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.
本文应用复化数值积分法，分析对比了两种弹道一致性试验检验法的接受判据；
The acceptability criteria of two testing methods for ballistic match are compared through numerical integration.
因为不要求实时性，所以数值积分法在计算精度、收敛速度和适用性上有很大改进空间。
For no requirement of real-time, numerical integration method has a great room for improvement in accuracy of calculation, rate of convergence and applicability.
本文采用数值积分法计算MCZ单晶炉内的磁场。文中给出了计算程序框图及数值解。
Numerical integral method to compute magnetic field in MCZ monocrystal furnace is applied and the computing program flowchart and numerical solutions are given in this paper.
采用多项式迟滞非线性模型建立二元机翼气动弹性运动方程，并用数值积分法进行求解。
The dynamical equation of a two-dimensional airfoil with polynomial hysteresis nonlinearity in pitch is solved using Runge-Kutta time marching integration.
该转换表达式避免了数值积分法求解蠕变柔量值产生舍入误差和采用拉氏变换的繁琐计算。
This expression avoids rounding error brought by numerical integral method and complex calculation of Laplace transforms.
采用数值积分法，根据储罐容积、液化石油气质量、组成、环境温度等条件计算其气化参数。
Its vaporization parameters are calculated with the method of digital integration based on volumes of tank, mass and composition of LPG, ambient temperature and other conditions.
数值积分法通过求解电力系统的动态方程组分析暂态稳定性，因此需要建立电力系统的动态数学模型。
Transient stability analysis based on numerical integration method is applied by solving the dynamic equations, so models of power system are required.
根据涡流无损检测中的几组典型数据，比较了用该文方法和直接数值积分法计算并矢格林函数的精度和求解速度。
The paper deals with evaluation of dyadic Green's functions that arise in eddy current testing for a conductive plate.
目前，数值积分法在结构分析中的应用本质上没有突破构件的范畴，其主要原因是技术处理存在局限性，计算速度难以使人接受。
The ordinary numerical integration method has only been adopted for the analysis of the stability of steel members so far due to its limitations of handling technology and its slow computative speed.
从建立观测方程的角度来说，主要研究了三种恢复地球重力场的方法：(1)数值微分法，(2)能量守恒法，(3)数值积分法。
Three methods for gravity field recovery are mainly studied from the views of observation equation, (1) numerical differential method, (2) energy balance approach, (3) numerical integration 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。
The results of the precise integration method agree well with the theoretical solution and have higher precision than those of the finite difference method.
数值模拟的结果表明新的路径积分法对研究船舶非线性横摇运动概率密度分布是十分有效的。
The results indicate that the new path integration method is efficient in the studying the probability distribution of ship nonlinear roll motion from the numerical simulation results.
然后利用数值模拟软件中的弹塑性模型和流变模型及概率积分法开展煤层开采对西淝河左大堤安全的影响评价。
The impacts on the security of Xifeihe River left embankment under coal mining are evaluated with elastoplastic model, two-exponent rheological model and probability integral method.
用控制容积积分法导出了离散方程，并用数值方法进行了求解。
The discrete equation was deduced by control volume integral method, and realized by numerical method.
精细积分法是求解常微分方程的一种成熟的数值算法。
Time precision integration method is a mature numerical algorithm to solve the ordinary differential equation.
文中给出一个算例，其数值结果与直接积分法、精细积分法作了比较，文中方法对结构动力响应计算是十分有效的。
A numerical example is given, the results are compared with direct integration method and precision integration method. It is quite effective for computing the structural dynamic response.
对线性定常结构的动力系统提出的精细积分法，能得到在数值上逼近于精确解的结果。
The precise integration method proposed for linear-invariant dynamic system can give precise numerical results approaching to the exa ct solution at the integration points.
运用两端边值问题的精细积分法，通过MATLAB语言编制计算程序求解出相应问题的高精度数值解。
The precise integration method of two end boundary conditions is adopted to realize the high-precision numerical solution of the question by means of computer program with MATLAB.
利用尾迹积分法按阻力产生的物理机制，将阻力分解为熵增阻力和诱导阻力进行数值计算。
Drag was decomposed to entropy drag and induced drag, according to the physical mechanism of drag production, based on the wake integral method, which was very useful for drag reduction design.
将小波配置方法和精细积分方法相结合，提出了一种对水土侵蚀模型进行数值分析的新方法——小波精细积分法。
A new numerical method on rill erosion model was proposed by combining the wavelet collocation method with the precise integration method, which is called wavelet precise integration method (WPIM).
采用多尺度法研究拉索大幅振动的各种可能性，运用精细时程积分法数值求解振动方程。
The multiple scale method (MSM) is introduced to analyze the characteristics of cable's vibration, and the precise time-integration method (PTIM) is used to solve vibration equations.
文末的数值算例进一步表明，精细积分法对大的时间步长和长时间计算均有效，因此是一种很实用的方法。
Results show that this method has high accuracy even for very large time-step sizes, and possesses excellent long-time numerical calculation behavior.
最后由加权积分法给出均布载荷作用下周边固定和周边不动简支圆板的解析数值结果。
The analytical numerical results for circular plates of clamped and immovable simply supported edges, under uniform distributed load, are presented by using the method of weighted residuals.
目前的数值积分方法包括显式积分法与隐式积分法两大类。
Currently, numerical integration methods are explicit method and implicit method.
论文首次运用精细时程积分法(PIM)对柴油机裂纹轴系扭转振动进行时域数值模拟，并对裂纹所导致时变刚度的动态性质作了分析。
The precision time step integration method (PIM) is used for the torsion vibration numerical simulation of diesel engine cracked shafting first, and the dynamic stiffness caused by crack is analyzed.
与减缩积分法不同，本方法采用多套函数去逼近单元的应变，而不涉及形成单刚时所采用的数值积分的阶次。
Unlike the reduced integration methods, the QCE technique USES multiple sets of functions to approximate strain and has no concern with the integration order.
介绍了钻柱系统动力学模型以及其数值算法，对直接积分法中的NEWMARK法和HHT法的计算过程进行了详细的阐述。
Describes drill string dynamics system models and numerical algorithms. And describes the details of NEWMARK method and HHT method.
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