New numerical computation method : meshless methods 无网格法
In this background, the lattice boltzmann method comes forth and progresses rapidly as an attractive numerical computation method 格子法就是在此背景下孕育发展起来的一种极具魅力的数值计算方法。
The finite element method has gained wide application as a numerical computation method . and many finite element softwares have come forth 有限单元法作为一种数值计算方法现已得到广泛的应用,相应的有限元软件也早已出现。
Finite element method is an excellent numerical computation method . several problems about the electric field in the field emission have been simulated with the finite element method 有限元法是非常优秀的数值计算方法之一,用有限元法对场发射中与电场有关的几个问题进行了模拟。
By use of the finite element method, the numerical computation methods of the pressure distribution, the dynamic characteristics and the static characteristics of bearing are presented 5采用有限元方法对油膜进行分析,给出了数值计算方法。6对紊流工况下两相流润滑进行了初步的理论研究。
Discrete element method is one of numerical computation method analyzing mechanics of rock originally, now it has be an effective approach for simulating damage process of structures or components 离散单元法原本是一种分析节理岩石的数值计算方法,现在也发展成为模拟结构或构件破坏的一种有效的分析方法。
A new force suddenly rises, the computational fluid dynamics, as the organic union of classic fluid mechanics, numerical computation methods and computer science, develops to become the efficient means of both science research and engineering design 作为经典的流体力学、数值计算方法和计算机技术三者的有机结合体,计算流体力学异军突起,得到不断发展和壮大,成为科学研究和工程设计的有效手段。
The linear coupling of microwave into a vacuum cavity with a slot is simulated at the beginning of this thesis . the resonant effect is verified, and the results show that the reflection of the cavity has little influence on the resonant effect . the numerical computation method is used to study the microwave coupling into slot on a cavity with a block inside 本论文首先模拟了微波脉冲与带缝空腔线性耦合的情况,验证了共振增强作用,结果表明腔体的反射对共振增强作用影响很小,然后用数值模拟方法研究了微波脉冲与内置物质块带缝腔体线性耦合的问题。
It takes good use of these two numerical computation methods merits and it is valuable for defmiting the computation model of pile ? oil; at the same time, it builds the computation model of compound pile foundation and uses the software ansys which is about finite element to build the mechanics model . in regular quality soil, the result worked by this way has good unanimity with traditional results, so it applies us strong evidence for using the way which this article tells us to solve problems which is difficult to handle in compound pile foundation, such as irregular quality, layer quality of the soil . at last, taking foundation soil's measuring data of liaoning technology university's test building for example, and using the way this article tells us to build compution module, we solve the sharing ration of pile and loading board 本文利用有限元与边界元耦合的方法求解桩土相互作用问题,充分利用两种数值计算方法的优点,对确定桩土相互作用计算模型是一次有益的尝试;同时建立了群桩相互作月的数学模型,并利用有限元分析软件ansys建立其力学模型,在均质土体中取得了与传统解答较好的一致性,从而为拓展利用本文所述建模方法,解决群桩作用机理研究中难以处理的土体成层、非均质等性质,提供了有力的根据;最后,以辽工大实验馆地基土实测资料为例,利用本文建模方法,求解出承台与桩的荷载分担比,对安全、经济地进行群桩基础设计具有重要指导作用和应用价值。
Using the numerical computation method to simulate the pure air flowing in the plasma generator and using zero dimension theory and continuous medium hypothesis to establish the mathematical model of the plasma generator and applying the curvilinear coordinate to disperse the space of the plasma generator, applying simplec method to solve the set of discredited equations 应用数值计算的方法模拟了等离子发生器内部的纯空气流动,应用零维理论分析模型和连续介质假设建立了描述等离子发生器内部流动和传热的数学模型;采用贴体坐标系对等离子发生器的流场空间进行空间离散;采用simplec算法来求解离散方程,获得流场的数值解。