查询词典 fractional

Fractional derivative is the concept of extension of the integral order.And it has a wide range of real meaning,it can describe many phenomenon of the natural world.

分数阶导数是整数阶导数的概念的延伸，其具有广泛的实际意义，它能描述自然界的许多现象。

In TFDE, the first-order timederivative is replaced by a fractional derivative, making the problem global in time.

对于前者，时间上的一阶导数被分数阶导数所代替，使得问题在时间上是全局的。

The velocities of the starting-up flow and the oscillating flow of the fractional derivative Maxwell fluid are solved.

求解了该流体的启动流和振荡流的速度。

Based on the current development of VED in structural control and its fractional derivative model, the finite element formula of VED is erected by using three different assumptions of the shear strain.

针对粘弹性材料的分数导数模型，采用不同的剪应变的假设，推导了粘弹性阻尼器的有限元计算公式，通过粘弹性阻尼器在一单自由度系统的控制上的应用，确定了其计算模型。

Furthermore, a calculating method of the dissipated energy of the viscoelastic damper modeled by the fractional derivative Maxwell model is supplied.

此外给出了分数微分Maxwell模型建模的粘弹性缓冲器耗散能量的计算方法。

And the reliability of the fractional derivative Maxwell model to model the elastomer is validated by the shear rheological test.

并且用剪切流变试验验证了用分数微分Maxwell模型建模胶泥材料的可行性。

In this dissertation,the fractional derivative constitutive relations are applied tostudy the static and dynamical problems of viscoelastic structures in theoreticalanalysis and numerical simulation.

利用分数微分型本构关系，对粘弹性结构的静、动力学行为进行理论分析和数值模拟。

In order to simplify analysis of the mechanical characteristics of the damper for vibration, which is modeled by the fractional derivative Maxwell model, a sinusoidal algorithm is derived. The credibility and the advantage of this algorithm are validated by comparing the calculating results of this sinusoidal algorithm with the existing theoretical and experimental results.

为了简化振动环境下用分数微分Maxwell模型建模的缓冲器的力学特性分析，提出了一种正弦算法，并将该算法计算的结果与已有的计算结果和试验结果分别比较，证明了该算法的可靠性，突出了其优越性。

The pipe flow of the fractional derivative Maxwell fluid has been investigated, which supplies a theory base for the model of the elastomer damper.

研究了分数微分Maxwell粘弹性流体的管道流，为胶泥缓冲器的建模提供了理论基础。

The weather and climate comply with the fluid dynamical equation and appear stochastic. In order to explore the relationship between weather and climate, the fractional derivative and integration are introduced. Physically, the stochastic degrees of weather and climate are different.

天气和气候虽然遵从流体力学规律，但是却显示出随机性，研究天气和气候之间的关系必须引入分数阶的导数和积分，从物理上讲不外乎说明天气和气候的随机程度是不相同的。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。