参数化的
- 与 参数化的 相关的网络例句 [注:此内容来源于网络,仅供参考]
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This method is independent from flow data, having fast rendering rate and high contrast output image. The parameters have obvious physical meaning, and different vision effect visualization output results are derived from different parameters combination. This method can take full advantage of the graphic card accelerator, and has successful application in the dynamic visualization of the flow data in crystal growth experiment during task research work.
该方法具有独立于流场数据、绘制速度快、生成图像对比度高的特点,参数物理意义明显,不同参数选择可得到不同视觉效果的可视化输出结果,能够充分利用现有硬件图形显示加速设备,已经被成功应用于空间晶体生长实验流场数据的可视化,获得了较好的效果。
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This paper studies the main geometrical parameter such as angle, height, width, stagger and the upper width in dentation and trapezoid flow path, firstly, uses the single-phase numerical simulation of the computational fluid dynamics technique to analyse the influence of different geometrical parameter on discharge coefficient and flow state exponent of drip emitter. Secondly, uses the two-phases numerical simulation of CFD (1% sand content ) to analyse the influence of the above mentioned geometrical parameter on the contribution regulation of sand and anti-clogging performance. Thirdly, uses the PIV ( particle Tracking Velocimetry ) technique which can see the small-scale flow path to observe and test the trajectories and velocities of solid particles in labyrinth flow path, and analyses the basic factors which can influence the movement characteristic of solid particles and the flow state in flow path.
本文以齿形流道、梯形流道为主要研究对象,以流道转角、流道高,流道宽、偏差量及梯形流道上底宽为主要结构参数,首先应用 CFD 单相流数值模拟技术对不同结构参数灌水器流道水力性能进行模拟,分析了不同结构参数对流态指数和流量系数的影响,其次,应用 CFD 两相流(含沙量为1%)数值模拟技术分析了结构参数对含沙量分布规律和抗堵塞性能的影响,然后,应用 PIV 可视化测试方法测试了固体颗粒在流道内运行轨迹及速度,分析了影响固体颗粒运动特性及流道内流体流态的基本因素,最后,对上述流道结构形式通过模具加工及滴灌带试制,进行了标准化测试( GB/T 17187-1997 农业灌溉设备滴头技术规范和试验方法与 ISO 标准 ISO /TC23 /SC18 /WG5N4短周期堵塞测试程序),测试结果验证了 CFD 模拟结果,并提出了迷宫结构流道灌水器的抗堵塞设计方法。
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It is an important method to improve restoration quality by choosing regular parameter according to local feature of images. For example, the variance of pixel brightness in iterative process is a useful feature.
根据图像的局部特征来选取自适应变化的正则化参数是提高图像恢复质量的一个重要方法,可以根据像素在迭代过程中的亮度变化量大小来选取正则化参数。
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In this paper, method which using alkali to reticulate polyurethane foam was studied and got the sample of reticulated PU foam.
研究了碱法网化工艺制备聚氨酯泡沫的配方及工艺参数,并对不同配方及工艺条件制备的网化泡沫进行了性能测试,分析了网化工艺对网化泡沫性能的影响,优化了配方,并对网化效果进行了评
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With this interface, the setting of initial conditions, the combination of arbitrary parameters, the geometrical display of power spectrums, trochoid chart of phase portraits, Poincare mapping, analogous dynamic graph of displacements and the analogous vibration graph of mass blocks can be realized in an interactive way.
通过该可视化分析模型可以对非线性振动系统的混沌动力特性等进行全面地研究。该可视化分析模型具有操作简单、可视化程度高、可变参数调节方便、计算机仿真准确和分析问题全面等优点。
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The method is based on a variable structure to control the SVC, wherein, the variable structure control method comprises two aspects of the unbalanced load equalization compensation and the parameter control of a PI controller, wherein, the unbalanced load equalization compensation adopts the SVC compensation susceptance computational method which is based on the synchronous rotation reference coordinate transformation of a virtual symmetrical three-phase system; meanwhile, in the stabilization control of the system voltage, the ant colony algorithm optimization method is adopted to real time adjust and to optimize the parameter kp and ki of the PI controller.
本发明公开了一种静止无功补偿器的不平衡补偿和蚁群优化方法,基于变结构对静止无功补偿器SVC进行控制,其中变结构控制方法包括不平衡负荷平衡化补偿和PI控制器的参数控制两个方面,其中不平衡负荷平衡化补偿采用基于虚拟对称三相系统的同步旋转参考坐标变换的SVC补偿电纳计算方法;同时在系统电压稳定控制时,采用蚁群算法优化方法,对PI控制器的参数kp、ki进行实时调整、寻优。
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This paper, aimed at the problem of drying aluminum fluoride trihydrate, studied the most possible binding format of crystal water, and hereby deduced the process of crystal water dehydration.
本论文针对三水氟化铝的干燥脱水问题,应用晶体结构理论、价键理论以及各种相关化学原理推测了三水氟化铝可能的结晶水结合形式,并据此推断了其结晶水的脱除过程:对氟化铝干燥特性进行了实验研究,研究了温度和升温速率对氟化铝干燥效果的影响:采用非等温TG-DTG法,对三水氟化铝进行了热分解行为和热分解动力学分析,进一步验证了三水氟化铝的脱水过程,并得出了其脱水和水解过程的动力学参数及方程。
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At the meantime, the rationality of canalized regulation, the canalized design parameters, such as the canalized design flow, the design river width, the control lines, are analyzed to supply science foundation for canalized regulation.
文中对渠化治理的可行性及渠化设计流量、设计河宽、治导线等参数进行了分析,为渠化治理提供科学依据。
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E. thickness of the copper wire wall, length of the single conductor wire, height of the solenoid, the exciting current and the current density, the working temperature of the conductor, time of exciting and demagnetizing, the cooling water pressure and flux density, etc..
所建立的数学模型包含3个目标函数(即能耗极小化目标函数、铜耗极小化目标函数和纯铁用量极小化目标函数)、7个设计变量(即铜管规格参数a、b、t,线圈匝数N〓、N〓,铁铠磁通密度B〓和冷却水压p)和8类14个约束条件(即铜管壁厚、单饼导线长度、螺线管高度、激磁电流与电流密度、导体工作温度、激退磁时间,冷却水压和铁铠磁通密度等约束条件)。
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The effects of blade stiffness mistuning on the natural frequencies and mode shapes in the frequency veering region were studied based on the lumped parameter model of a bladed disk. A parameter L was introduced to define the severity of mode localization.
基于叶盘集中参数模型,分析了叶片刚度失谐对频率转向区内的系统固有频率及叶片模态振型的影响,提出了一个描述模态局部化程度的参数,仿真研究了频率转向特征对失谐叶盘模态局部化程度的作用规律。
- 推荐网络例句
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With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.
随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。
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But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.
不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。
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Closes the eye, the deep breathing, all no longer are the dreams as if......
关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。