查询词典 numerical analysis

The analysis of numerical dispersion and stability has been made in this dissertation.

将这种方法应用到时域有限差分法中，建立了一种新的时域算法格式，分析了算法的稳定性条件以及色散关系。

Numerical analysis is performed to study the effects of some physical parameters to the displacement of surface soil.

通过数值计算分析，进一步研究了各物理参数对地基动力响应的影响规律。

The numerical solution shows that temperature distribution rule on every cross-section of cold plate agree with conclusions of theory analysis.

数值计算结果表明，均热板底板各截面的温度分布规律符合理论分析的结论。

The kinematics parameters were firstly presented by establishing the mechanical model of relation between the vibration screen and particle to deduce periodicity condition of particle motion,then disturbing function of particle motion for periodic motion was educed by using Poincaré mapping method,and studied motion characteristics of particle in vibration screening in terms of numerical analysis.

利用振动筛与颗粒之间关系的运动学模型，导出颗粒运动的周期性条件；然后利用Poincaré映射方法，推导出颗粒的运动对周期运动的扰动方程；最后对振动筛分过程中颗粒运动特性进行了数值计算研究，得出了筛面上颗粒运动是经周期分叉和概周期分叉通向混沌的演化过程。

The traditional tunneling technology is dominantly based on experience analogy and small amount of numerical analysis, which severely restricts the development of the tunneling technology.

目前，传统隧道的相关技术主要依靠经验类比和少量的数值分析，其局限性将会大大限制隧道技术的发展。

Based on the theory of heat transfer, hydrodynamics and the theory of metal solidification, by using numerical analysis technology, database technology and visual technology, this paper provided a simulation and check method for the process design to simulate the fluent field and temperature field of the filling solidification and cooling, and can predict the casting quality according to these fields, thus, by this way, improved the quality of casting draft design.

该课题就是为工艺设计提供模拟和校核手段，以传热理论、流体力学及金属凝固理论等为基础，利用数值分析技术、数据库技术和可视化技术等对铸造过程进行仿真，从而模拟出在铸件充型、凝固和冷却中的流场和温度场，并根据这些物理场对铸件质量进行预报，从而提高铸件工艺设计的质量。

It is confirmed from both the experimental investigation and numerical analysis that the constitutive correlation of the drift velocity in which the effect of the gravitational force and the acceleration of fluid flow on the drift velocity of the vapor phase is taken into account has reasonable accuracy and it can be used to determine the drift velocity of the vapor phase of two-dimensional and three-dimensional two-phase flow.

本文结合实验测量和数值计算两方面，验证了同时考虑重力和流体本身加速作用对汽相漂移速度的影响是合理的，这种漂移速度结构关系式可以用来计算二维和三维汽相漂移速度。

Furthermore, the numerical analysis of mode Ⅱ Dugdale crack is rarely seen in former research works to our knowledge.

值得一提的是，对Ⅱ型Dugdale模型的数值计算在以往的研究中还没有见到。

Both theoretical analysis and numerical examples show that EEP method also works very well for these problems.

本部分工作为EEP法广泛应用于一般一维问题的有限元法的超收敛计算打下了良好的基础。

Use of the numerical analysis of the general principles calculation of electromagnetic field procedures.

利用普通的数值分析原理计算电磁场中的问题的程序。

Objective:To explore the feasibility of laparoscopy in diagnosing and treating of abdominal diseases.

目的：探讨腹腔镜用以诊断腹部外科疾病及选择治疗方案的可行性。

The lifetime of nylon 1010 and nylon 1010/POSS composites decreased with increasing temperature.

热重-红外联用分析表明尼龙1010在氮气气氛下的降解产物主要为小分子的低聚物，POSS并不改变尼龙1010降解产物的组成。