模型工

Considering the loading and boundary conditions of the model finite element calculation is carried out. Both for the working conditions of prestress and load, the finite element model of the box beam is approved to be suitable and correct by the actual test results.

考虑模型的载荷及约束进行有限元计算，在预应力和载荷两种工况下，利用实测结果论证了箱型梁的有限元分析模型是合适和准确的。

The paper establishes stress-model about the roller bra ke tester and the flat brake tester, Moreover analyzes the model and compares their strongpoint and disadvantage t hrough simulating their actual work condition, At last educe their use range and their integrated use in brake force test.

建立了滚筒制动试验台和平板制动试验台受力分析模型，并通过模拟它们的实际工况来分析它们的受力模型，比较它们各自的优缺点，最后得出了它们的使用范围，以及在制动力检测时它们的结合使用。

Evaluates the zero-equation model provided by Chen based on CFD simulation of three typical airflows(forced convection,mixed convection and natural convection)in air-conditioned and ventilated rooms.

为了对Chen提出的零方程模型进行评价，研究了三种典型的空调通风房间气流组织工况(强迫对流、混合对流和自然对流)，同时采用Prandtl的混合长度理论和双方程K-ε湍流模型的计算结果作为比较。

Control algorithm as conceived by Smith with predictive functions for compensating first order delay is used to effectively overcome the large time lag and big inertia of the study object. The output of the controller is made to be attempered to the time changing property of the parameters by setting up several fixed models for the typical operating conditions and their control weightiness determined by online calculating their degree of mutual matching.

使用带有Smith预估补偿思想的一阶时滞对象预测函数控制算法，来有效克服对象的大时延、大惯性；并通过建立若干典型工况的固定模型，在线计算其模型匹配度确定控制权重，从而得到控制器的输出的方法，能适应参数的时变。

This paper performs a dynamic modeling of the reservoir with an angles of 0°and 45°between artificial fractures and well arrays in five-spot and inverted nine-spot patterns using a 3D two-phase reservoir numerical simulation model with artificial fractures of 0.3-0.8mm, economic evaluation model and overall optimization software.

利用带有0.3～0.8 mm人工裂缝的三维两相油藏数值模拟模型、经济评价模型和整体优化软件，对五点法和反九点法井网中人工裂缝与井排夹角为0°和45°的油藏开采进行动态模拟。

The Unified Tire Model for combined slip considering the anisotropy of slip stiffness and friction coefficient is established in chapter three. A more general tire model considering the complex deformation of tire carcass is presented as well.

第三章推导了考虑轮胎纵滑、侧偏刚度明显不同以及摩擦系数各向异性时的联合工况下的统一模型，并给出了考虑胎体复杂变形的更一般情况下的轮胎模型。

In this thesis, downstream energy dissipation and erosion control problem of Yingping power station is studied in the concrete, building the unitary hydraulic model in the laboratory. The scale of this model is 1:40. The energy dissipation effect of this layout in preliminary design is validated and optimized by model experiment. During the test, setting assistant energy dissipation training frusta is put forward and the energy dissipation problem of the project is well settled.

本文以阴坪水电站消能防冲问题为具体研究对象，在实验室建立几何比尺为1：40 的正态水工整体模型，对其初步设计的消能布置方案的消能效果进行模型试验验证与优化研究，提出了设置辅助消能工导流墩的方案，很好地解决了该工程的消能防冲实际问题。

A simulation model of the compressing hay in high density baler is established. VC++6.0 and 3D Modeling technology are used as an instrument to simulate the actual compressing hay in high density baler. The results of simulation prove that the simulation model is correct, and the simulation model can show the correlative data and its rule of variety.

建立牧草高密度压捆过程计算机仿真模型，使用VC++6.0软件开发工具和三维建模技术对牧草在高密度压捆机中实际工况进行仿真，根据仿真结果对仿真模型进行验证，同时反映系统的相关数据及其变化规律。

A simulation model of the compressing hay in high density baler is established. VC++6.0 and 3D Modeling technology are used as an instrument t o simulate the actual compressing hay in high density baler. The results of simulation prove that the simulation model is correct, and the simulation model can show the correlative data and its rule of variety.

建立牧草高密度压捆过程计算机仿真模型，使用VC++6.0软件开发工具和三维建模技术对牧草在高密度压捆机中实际工况进行仿真，根据仿真结果对仿真模型进行验证，同时反映系统的相关数据及其变化规律。

The temperature change factor in heat exchange process of engine practical cycle was considered in the model.

模型考虑了发动机实际循环工质吸、放热过程温度变化的因素，比现有的等温换热循环有限时间热力学模型更接近实际循环，模拟精度更高。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。