给出一个适用于平面断裂力学分析的新边界积分方程，在此方程的基础上建立了边界元数值计算方法。
A new boundary integral equation is introduced to analyze plane elastic problems with cracks, and the boundary element numerical method based on this equation is established.
结合大功率柴油机性能强化的数值计算，在考虑螺纹的基础上建立了气缸盖螺栓的CAD装配体模型；
With the numerical simulation of heavy-duty diesel engine to strengthen performance, a CAD assembly model of cylinder head bolt is built based on the thread.
采用这种数值模式进行计算，得到了1998年5月1935卡林顿周稳定和自洽的背景太阳风，这为模拟CME事件打下了基础。
With the numerical model, we get a stable and self-consistent background solar wind of Carrington rotation 1935 at May 1998. This makes a foundation for simulating CME events.
在数值模拟和室内离心机模型试验的基础上，提出了高填方涵洞顶部土压力简化计算方法。
The paper puts forward the simplified calculating method of soil stress of the culvert top on the foundation of numerical simulating and centrifuge modeling.
此外，采用本文程序对不同荷载量级及倾角下群桩基础的内力进行了大量的数值计算。
Furthermore a mass of numerical calculations of the internal force of pile group under different magnitude and obliquity loads is made by the program.
建立了钢筋混凝土梁截面抗弯刚度全过程分析的力学模型，在理论分析的基础上编制了相应的数值计算程序。
The mechanics model of whole process of reinforced concrete beam section flexural rigidity is founded, based on the theoretical analysis the corresponding numerical calculation program is developed.
本文在参考目前预应力碳纤维布加固梁试验研究成果的基础上，对加固梁进行数值模拟和理论计算。
Numerical simulation and calculation in theory are done for the beams strengthening with prestressed CFRP sheets in this paper base on the present experimental results.
本文的结果对地下工程进行粘弹性数值计算提供了基础，具有重要的实用价值。
The results deducted in the paper provide a basis for underground engineering on viscoelastic numerical calculation, having practical application value.
测温实验是数值计算的基础。
Temperature measuring experiment is the foundation of numerical calculation.
在与实验结果对比的基础上，对某建筑小区环境下有害气体连续泄出的扩散迁移过程进行了初步数值计算。
By comparison with the experimental results, a primary numerical calculation was carried out, for which gas diffusion moves around a building when poisonous gas leakage occurred.
在理论计算的基础上，给出了话音编码速率和分组开销为不同数值时的最佳话音分组长度。
On the basis of theoretical calculation the optimum voice length is obtained for different voice signal coding rates and packet overheads.
以柱形颗粒的衍射理论为基础，提出了适用于非球形颗粒衍射模型的数值计算方法。
Based on the theory of cylindrical particle diffraction, a numerical calculation method that can be used to measure non spherical particles is presented.
数值计算模型和参数的确定，是三相同壳结构GIS快速暂态过程行波分析的基础。
Transient parameters and numerical calculation model are fundamental to evaluate the traveling wave on very fast transients in three-phase enclosed GIS.
在诸如预测模型的构造和模拟、能源勘探、数值气象预报以及基础理论研究领域中都对计算提出了极高的要求。
Scientific research areas such as model construction energy resource detecting, meteorology forecast and research of basic theory require extremely high computing capability.
本文在格胞理论的基础上，用新的数值方法计算这些效应。
On the basis of the cell theory, new numerical method is presented, which are used tocalculate these effects.
MC方法是以概率和统计学的理论、方法为基础的一种数值计算方法。
MC simulation method is a numerical calculation technique founded on probability and statistics theories.
在此基础上，利用数值计算方法，分析了钢管混凝土受火时间对构件火灾后剩余承载力相关曲线的影响。
The influence of fire duration on the residual bearing capacity correlative curves after fire are analysed by using the numerical model.
数值风洞模拟要想获得理想的计算精度，依赖计算人员的理论基础及其在具体操作中对各种重要因素的选择。
The theoretical foundation of the user and the selection of some factors determine the calculation accuracy in the simulation of the architectural numerical wind tunnel.
在非结构化网格中，数值求解标量扩散方程(导热方程)是当今数值计算的基础问题。
It is one of the basic problems to study the heat conduction equation (the diffusion equation) using numerical method on unstructured grids.
对计算机浮点数算术运算的舍入误差进行分析，是对数值计算方法作误差分析的基础。
To analyze the rounding error of calculator floating-point Numbers arithmetic operation is the foundation of numerical calculation method's error analysis.
我们在讲非计算机专业的计算机文化基础“时，从逻辑代数讲起，阐明计算机是如何用逻辑运算完成数值计算的。”
We gave the lecture on the basis of logical algebra in order to illustrate how the computers operate numerical calculation by means of logical calculation.
本文在对耦合波理论和级连模匹配技术的理论推导的基础上，编制了数值求解各个模式在喇叭中耦合过程的计算程序。
The program that can numerically solver the question of mode coupling in horn has been programmed according to the coupling wave theory and mode matching technology.
所提方法和公式均通过理论、数值验证，是现浇空心板结构计算的理论基础。
The proposed methods and formulas are carefully verified by both theoretical and numerical means, and they may serve as a foundation for structural analysis of cast-in-situ hollow slabs.
在理论分析的基础上对其进行了数值计算与模拟，并将数值结果与理论分析相比较，进行分析讨论。
Numerical calculation and simulation are developed on the basis of theory analysis, numerical result and theory analysis are compared and discussed.
数值风洞技术是以计算流体力学为基础进行风场研究的有效方法。
Numerical wind tunnel technology based on computational fluid dynamics is an effective method for the study of the wind field.
本文以达西定律为基础，建立了煤层瓦斯流动方程，并利用电子计算机进行了数值求解。
This paper has established a gas flow equation based on Darcy Law, and solution of values is made by using a computer.
本文在建立了自蔓延高温合成过程燃烧动力学模型的基础上，用数值计算和计算机模拟方法，对燃烧波特征及其变化规律进行分析模拟。
On the base of combustion dynamical model of SHS process, the characteristics of combustion wave and its change were analyzed by numerical calculation and computer simulation.
弯道急流数值计算可以对工程设计及安全评估提供水流模型基础。
Numerical simulation on supercritical flow at river bend can provide bases for engineering design and safe evaluation.
弯道急流数值计算可以对工程设计及安全评估提供水流模型基础。
Numerical simulation on supercritical flow at river bend can provide bases for engineering design and safe evaluation.
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