该方法将原参数非定常欧拉方程组重新组合成以广义黎曼变量表示的欧拉方程组,再用二点二步迎风格式离散求解。
Euler equations of generalized Riemann variable are derived from unsteady primitive variable Euler equations and solved by using two - a point-two-step upwind finite difference method.
这里要注意一点:如果采用这种方法,就必须修改对原udf的调用,改为执行存储过程并提供一个额外的OUT参数。
A point to note here is that if this approach is followed, the calls to the original UDF will have to be modified so that they now execute the stored procedure, and supply an extra OUT parameter.
这个扩展Box的问题是,只能将内容放到类型参数与原 box完全相同的 Box 中。
The problem with this extended Box is that we can only put the contents in a Box whose type parameter is exactly the same as the receiving box. So, for example, the code in Listing 3 won't compile
新的分级标准或技术参数基准将取代原标准,对一系列运行环境进行要求。新标准将针对每种运行环境。
New tiered standards, or technical benchmarks to be used in lieu of standards, would describe a range of operating environments and, for each such environments, would specify.
纤维拥有显著的原纤化结构,并具有极高的取向度,最高取向参数高达0 . 99。
The fibers have obvious fibrillar structure and extremely high orientation with the highest orientational factor up to 0 99.
而另一个重要原因是原汽油机的结构和参数是针对汽油的燃烧特性而设计的,并不适合于液化石油气的燃烧做功。
Another important reason is that the structural parameter of original gasoline engine is designed to aim at the combustibility of gasoline and it misfits the combustion of LPG.
目的:探讨乳腺癌患者血浆纤维蛋白原和外周血参数的临床意义和预后价值。
Objective: to investigate the clinical significance and prognostic value of plasma fibrinogen and peripheric hematologic parameters in patients with breast cancer.
含有参数的该函数用来清除原对象后面的指定的字符或字符集。
Use the versions of this function that accept parameters to remove a particular character or a particular group of characters from the end of a string.
仿真实验表明,在参数个数相同的情况下,使用新模型的逼近算法在逼近精度与预测误差两方面都优于使用原模型。
In simulation, with the same number of parameters, the new algorithm gets better approximation precision and less prediction error than those of the hinge-finding algorithm.
介绍了承钢从原西德引进的热轧棒材生产线的工艺布置、主要设备参数、特点以及技术改造情况。
The plant layout, main equipment parameters of hot bar production line, Chengde-Steel, imported from Germany, are introduced in this paper.
如果将一个数组引用作为方法调用的参数,则传递了一个原数组的新引用。
When you pass a reference to an array as an argument to a method call, you pass a new reference to the original array.
在对原淀粉进行预处理的基础上,详细叙述了AM接枝淀粉接枝工艺路线、共聚单体与工艺参数的选择。
According to the pre-treatment of original starch, the writers give the selections of grafting process, copolymer monomer and processing parameters of am grafting starch.
通过引入一个灵敏度参数,将原最优输出跟踪控制问题转化为不含超前项和时滞项的一族两点边值问题。
By introducing a sensitivity parameter, the original optimal output tracking control problem is transformed into a series of two-point boundary value problems without time-advance or time-delay terms.
当非退化条件成立和磨光参数趋于零时,证明了原问题的S -稳定点与磨光非线性规划的KKT点等价。
As the non-degeneracy condition holds and the smoothing parameter tends to zero, an S-stationary point of the MPCC problem is equivalent to a KKT point of the smoothing nonlinear programming.
优化计算结果显示,技术性能较原常用机构有明显提高,所获几何参数对工程设计有一定参考价值。
The optimization calculation shows that the technical property of this mechanism is distinctly improved. The resulted geometric parameters are useful as reference value for some engineering designs.
虚拟支路的导纳参数可由目标分流系数、戴维南等效阻抗及原潮流越限支路导纳获得。
Admittance parameters of the virtual branch can be obtained by object shunting coefficient, Thevenin's equivalent resistance and the admittance of the primary branch of power flow off-limit.
因此可先在粗尺度上迭代反演,得到一个较好的参数估计,再将这个估计作为较精细尺度的初值进行反演,直至原问题的全局最优解。
So firstly to get a better estimation of parameter using iterate inversion on wide scale, then using this estimation as initial value on mini scale till to get global optimum of original problem.
然后通过调节同伦参数,对每个不同的参数用复制子等式进行求解,从而得到原二次规划模型近似解。
The approximation of the primal quadratic optimization model can be obtained by solving the regularized one and adjusting the homotopy parameter.
然后通过对新的SIMO模型先估计分子参数、后估计分母参数的方法,即可获得原SISO模型的参数估计。
The parameter estimate of the original SISO model is obtained by first estimating the numerator of the new SIMO model transfer function and then the common denominator.
其电气性能参数,使用材料,涂覆及执行标准与原系列产品一致。
Its electric performance parameters, use material, coating and carry out standard keep the same with original series of products.
在原直叶片与三维风扇叶片的基础上,通过编程设计手段改变其设计参数,使得叶片的展弦比,最大相对厚度与稠度等参数发生改变。
Based on the straight cascade and the fan cascade, the design parameter of aspect ratio, maximum relative thickness and solidity were remodeled by programmed design method.
为解决原系统所存在的结构合理性、电流断续和参数选择等问题,提供了合理方案和可靠依据。
The rational scheme and reliable basisare provided for solving the problems about the rationality of constructions, current cutting-out and parameter setting existing in the primary system.
分析了电流舵型数模转换器(DAC)通过增加一路电流以扩展位结构,其最大弊端是降低了原DAC的静态误差参数。
The analysis of the structure of adding current-steering to extend DAC-bits is presented, of which the main shortcoming is the decline of the static parameters.
剑杆织机应发挥先进设备的最佳性能,合理地配置工艺参数,以提高生产效率和原布下机实物质量。
The rapier loom must develop the best function of it, and reasonably dispose the technological parameter in order to enhance the productive efficiency and the quality of grey cloth.
文章对产生纬向停台的原因及相应解决措施进行了详细讨论,指出合理设置纬向工艺参数、减少纬纱张力负荷以及把好原纱质量关是降低纬向停台、提高织机效率与效益的重要途径。
It points out that rationally setting weft-related process parameters, reducing weft tension and taking strict control over the quality of filling yarn are effective measures for r.
根据协调映射及相关理论,建立了原网格曲面和参数域曲面的路径间距及步长的对应关系。
According to conformal map and relative theory, the relation of path interval between triangular meshes and parametric region is built.
我们所提供的配件主要来源于中国、欧洲、北美及日本。我们的工程师对每一个配件进行测试以确保其性能参数满足或优于原厂配件的性能参数。
We source spare parts in China, Europe, North America and Japan. Our engineers test every part to ensure they meet or exceed the performance specifications of the original parts.
结果表明:变压器层间电压分布随时间变化,且与电路外部参数如失谐、原边电容电压等存在关系。
The results show that the voltage distribution varies with time, and it is influenced by circuit extrinsic parameters such as circuit mismatch, primary capacitor voltage, etc.
铜铝管焊接的关键是对焊接参数的控制,原控制系统采用时间继电器控制焊接参数。
The key of Cu-Al pipe butt welding is to control the welding parameters. In the original control system, all welding parameters were controlled by time-relays.
介绍原山东工业大学小型低速风洞的技术参数、数据采集与处理系统的硬件结构和软件设计。
The technical parameter, hardware structure and software design of the data acquiring and processing system of the small Low Speed Wind Tunnel in Shandong University of Technology are introduced.
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