• The binomial tree is one of the numerical methods in common use.

    二叉树方法就是比较常用的数值方法之一。

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  • The theoretical and numerical methods of structural design optimization for offshore platforms are studied in this thesis.

    本文主要研究了导管架海洋平台结构系统优化设计的理论与数值计算方法。

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  • The formulation for these problems has been perfected gradually, and there have been important advances in the existence of a solution and the numerical methods of these problems in the last 20 years.

    最近20年,对这些问题的提法逐渐完善,解的存在性和数值方法方面已取得了许多重要进展。

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  • A mathematical model for thermal process is established and the process is simulated by numerical methods such as finite element method etc.

    建立了热过程的数学模型,并采用有限元等数值方法模拟其热过程。

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  • This paper presents some numerical methods to calculate the control laws for these control problems.

    本文提出一些数值方法来计算这些控制问题的控制规律。

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  • In solving the mathematical model, two time-saving and effective numerical methods have been tested and compared with the finite difference method commonly used.

    对动态数学校型的数值求解,试验了两种颇为有效的方法,并将这两种方法和常用的有限差分方法作了比较。

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  • The nonlinear mathematical models with wellbore storage and skin effects under several boundary conditions were established and solved by using numerical methods.

    建立了各种边界条件下考虑井筒储存效应和表皮效应的非线性不稳定渗流数学模型,并用数值法对其求解。

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  • Numerical methods are adopted in this thesis to investigate the stability behavior of thin cylindrical shells with rectangular openings subject to axial compression.

    本文利用数值方法系统研究了开有矩形孔的薄壁圆柱壳在轴压作用下的稳定性能。

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  • Up to now, most of numerical methods for solving limit and shakedown problems are based on finite element method.

    到目前为止,绝大多数求解结构极限与安定问题的数值方法都基于有限元方法。

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  • Therefore, it is necessary to study numerical methods which preserve the symplectic structure of the Hamiltonian system.

    因此,研究保持哈密尔顿系统的辛几何结构特征的数值方法是必然的。

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  • Therefore, the bearing kinematics must be iteratively determined by numerical methods.

    因此,举止运动学一定反复地被数字方法决定。

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  • This kind of systems frequently arises in practical applications mainly related to solving differential equations by discrete numerical methods.

    这类方程组常在主要与用离散数值方法解微分方程有关的实际应用中提出来。

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  • The precision and other problems in calculating response spectra by using precision method and other numerical methods are discussed.

    定性讨论了采用精确法和其它数值方法计算地震动反应谱的精度和与之相关的问题。

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  • This dissertation established numerical methods in the fuzzy structural analysis on the basis of fuzzy variational principle and peak fuzzy number.

    本文依据模糊变分原理以及峰型模糊数的运算法则,建立了模糊结构分析的数值理论和方法。

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  • First, now in all common numerical methods for the satellite dynamics equations the most important problem that needs to be improved is stability problem.

    首先,目前在卫星动力学中常用的所有人造卫星运动方程的数值解法有待改进的最重要的问题就是稳定性问题。

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  • The calculated results agree well with the test results and it shows that the numerical methods can be used for the study of the supersonic ejector.

    计算结果与实验结果符合较好,这表明该数值方法是研究超声速引射器的一种重要研究手段。

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  • Several direct iterative numerical methods for optimal approximation are described in this chapter.

    一些直接迭代数值方法最佳逼近中描述这一章。

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  • The emphasis is placed upon the numerical methods, including finite difference method, finite element method, boundary element method and so on.

    着重讨论了包括有限差分法、有限元法和边界元法等在内的数值方法。

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  • The interfacial shear stress of FRP concrete hybrid beams is investigated with analytical and numerical methods.

    采用解析和数值方法研究FRP -混凝土杂交梁的界面应力问题。

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  • Mathematical model and numerical methods of stress field simulation during foundry process are studied, future research emphasises are pointed out.

    分析了应力场数值模拟采用的数理模型和数值方法,指出了存在的问题,明确了今后的研究重点。

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  • In present research on fracture dynamic problems, Laplace or integral transformation was generally used, and numerical methods had to be adopted to solve the loop integral.

    在现有断裂动力学问题文献中,一般采用拉氏变换与积分变换方法,得到的回路积分最后还需借助于数值方法求解。

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  • By using dynamical and numerical methods, several response modes of tropical ocean to the southern Asia monsoon and the Pacific trade wind forcing are discussed.

    应用动力学分析和数值计算的方法讨论了热带海洋对南亚季风和太平洋信风强迫的几种响应模态。

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  • Recent progress in density functional theory (DFT) and its numerical methods is briefly reviewed.

    综述了密度泛函理论及其数值方法的最新进展。

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  • The contact stress distribution in the rabbet of the aircraft engine blade was determined by combining the experimental and numerical methods.

    文中将实验检测技术与数值计算方法相结合,求解飞机发动机叶片榫头上的接触应力分布。

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  • This article from the numerical status of skills development and practice of teaching thinking skills development discussed the numerical methods and countermeasures.

    本文从数控技能培养的现状及实践教学思路方面讨论了数控技能培养的方法、思路及对策。

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  • This dissertation establishes numerical methods in structural analysis on the basic of variation principle, finite member element method, spline function, etc.

    本文利用变分有限元法、样条函数等,提出了薄壁箱梁结构分析的数值理论和方法。

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  • Dynamic and numerical methods are used to discuss the atmospheric response imposed by SST thermal forcing.

    用动力分析和数值计算的方法讨论了大气对海温热力强迫的响应。

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  • This paper aims to review systematically the theory and numerical methods fordynamic contact problems over the recent twenty years.

    本文试图对近二十年来,动接触问题的理论及数值计算方法进行全面系统地总结。

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  • Using numerical methods, the effect of bolt supporting parameters to the stability of soft rock roadway intersection is studied in deep underground.

    采用数值模拟研究方法,研究了锚杆支护参数对深井软岩巷道交岔点稳定性的影响。

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  • Also this paper presents the structure of mathematical vessel-model and the existence and uniqueness of the solution and introduces a set of numerical methods to solve the smoothed-spline Surface.

    探索和研究了数学船型构造及解的存在、唯一性,且建立了一套求光顺样条曲面的数值方法。

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