搜索结果: 1-9 共查到“机械工程 mechanisms”相关记录9条 . 查询时间(0.062 秒)
Mechanisms of axis-switching and saddle-back velocity profile in laminar and turbulent rectangular jets
axis-switching saddle-back
2015/1/12
e numerically investigate the underlying physics of two peculiar phenomena, which are axis-switching and saddle-back velocity profile, in both laminar and turbulent rectangular jets using lattice Bolt...
Configuration Analysis of Metamorphic Mechanisms Based on Extended Adjacency Matrix Operations
metamorphic mechanism configuration transformation extended adjacency matrix
2011/6/15
The adjacency matrix operations, which connect with configuration transformation correspondingly, can be used for analysis of configuration transformation of metamorphic mechanisms and the correspondi...
Structure Synthesis of Compliant Metamorphic Mechanisms Based on the Adjacency Matrix Operation
compliant metamorphic mechanism structure synthesis topological graph
2011/6/2
A compliant metamorphic mechanism is evolved from a rigid metamorphic mechanism, in which at least one compliant component should be included to deliver movement, force or energy and at least one rigi...
Structure Synthesis of Compliant Metamorphic Mechanisms
compliant metamorphic mechanism structure synthesis
2011/1/24
A compliant metamorphic mechanism is evolved from a rigid metamorphic mechanism, in which at least one compliant component should be included to deliver movement, force or energy and at least one rigi...
Abrasive Wear Mechanisms of Sand Particles Intruding into ATM Roller-Scraper Tribosystem
Tribosystem Abrasive Wear Mechanism
2011/1/19
The roller-scraper tribosystem of Automatic Teller Machine (ATM) plays an important role in reliable cash requests. However, the abrasive wear of the polymer tribosystem becomes a prominent problem wh...
Topology Optimization of Compliant Mechanisms with Geometrical Nonlinearities Using the Ground Structure Approach
compliant mechanisms topology optimization geometrical nonlinearities
2011/1/18
The majority of topology optimization of compliant mechanisms uses linear finite element models to find the structure responses. Because the displacements of compliant mechanisms are intrinsically lar...
Kinematics Analysis of Mechanisms Based on Virtual Assembly
assembly constraint constraint degree eliminating element method
2010/11/5
Currently, virtual assembly technology has attracted increasing attention due to considerations of solving assembly problems in virtual environment before actual assembly in manufactory.
不完全分布柔度全柔性机构拟柔性模型研究（Imitate-compliant-body Model for Fully Compliant Mechanisms of Incomplete Distributed Compliance）
全柔性机构 伪刚体模型 拟柔性模型
2009/5/22
不完全分布柔度全柔性机构是介于具有集中柔度和分布柔度之间的一类全柔性机构，根据这类机构的特点，在伪刚体模型的基础上，提出了拟柔性模型的分析方法，建立了直梁型柔性铰链与构件的拟柔性模型，同时定义了拟柔性模型的外载荷力比值系数μF和模型的修正系数μλ。给出了一组实例的拟柔性模型计算结果，通过该组实例的实验测试以及对测试结果和计算结果的分析比较，验证了该模型的有效性。
齿轮五杆曲柄滑块机构的轨迹综合（Path Synthesis of Geared Five-bar Crank-slider Mechanisms）
齿轮五杆曲柄滑块机构 轨迹综合 数值图谱
2009/5/22
分析了一类齿轮五杆曲柄滑块机构的尺寸约束条件，利用复矢量理论和Fourier级数理论建立了机构连杆轨迹的数学模型，推导出计算机构实际尺寸和安装位置参数的数学公式，根据曲柄和连杆间传动比的不同分别建立了相应机构连杆转角算子谐波特征参数的数值图谱库。利用数值图谱法实现了齿轮五杆曲柄滑块机构连杆轨迹的尺度综合，综合算例证明了该方法的实用性和有效性。