To realize the prediction that there exists an optimal normal force between contacting surfaces for the least response, the powell penalty method is used with the combination of optimization theory and damped blade dynamic characteristic calculation.
为了把“接触器端面正压力存在一个可使得响应最小的最佳值”的理论变为实际可行的操作 ,通过将最优化理论与阻尼叶片动力特性计算相结合 ,运用鲍威尔惩罚函数法 ,以系统在不同激振频率下叶顶响应位移的最大值为目标函数 ,通过调整相邻阻尼器之间的间隙和安装位置 ,以及阻尼器的结构尺寸如直径、厚度、宽度和位置等系统结构参数 ,使系统具有优良的动力特性 ,并结合某厂的 90 0等级叶片进行了具体的优化研究 。
Research on the temperature distribution in the precision forging process of the blade with a damper platform;
带阻尼台叶片精锻过程温度场分布规律研究
Influence of the upper die velocity on the precision forging process of the blade with a damper platform;
上模压下速度对带阻尼台叶片精锻影响的研究
The software has been used in 3-D FEM numerical simulation of the precision forging process of a blade with a damper platform.
开发了用 FORTRAN语言实现的波前法求解有限元线性化方程组的完整系统 ,并应用在形状复杂的带阻尼台叶片的精锻过程的三维有限元分析中对其进行了考核。
At first, the mechanical structure and working principle of a damp tab were introduced.
为了减少多种因素造成的落点误差,提出了一种阻尼片技术。
Studies on Stick-Slip Periodic Vibration of Dry-Friction Damper Turbine Blades;
干摩擦阻尼叶片的黏滑周期振动研究
Resonances of Dry-friction Damper Turbine Blades under Multi-harmonic Excitation;
多频激励下干摩擦阻尼叶片的共振响应
Application of Alternating Frequency/Time Domain Method to Vibration Analysis on Damping Blade Systems Based on Microslip Dry Friction Model
时频域交互法在微滑移干摩擦阻尼叶片振动分析中的应用
Analysis of Damping Characteristics and Experiment on Controllable Damping Vane Damper
叶片式可控阻尼减振器阻尼特性分析与试验
Analysis of damp trial result of Ti17 simulation blade in air
Ti17模拟叶片在空气中的阻尼试验
The Numerical Simulation of Precision Forging Process of the Blade with a Damper Platform;
带阻尼台叶片锻造过程有限元数值模拟
Aerodynamic Optimization Design and Analysis of Aerodynamic Damping of Wind Turbine Blade
风力机叶片气动优化设计及气动阻尼分析
Damping ratio experiment study on rotary blade based on distributing excitation unloaded instantaneously
基于分布激励突卸的转子叶片阻尼比试验
Coupled Thermal-mechanical Numerical Simulation of Precision Forging Process for Blade with A Damper Platform
带阻尼台叶片精锻过程热力耦合数值模拟
The Research on Precision Forging Laws of the Blade with a Damper Platform Based on the Coupled Thermo-Mechanical Simulation;
基于热力耦合模拟的带阻尼台叶片精锻成形规律研究
The abaxial stomatal resistance was smaller than the adaxial.
叶片正面的气孔阻力小于叶片反面对应部位的气孔阻力。
Elastic damping leaf coupling
GB/T12922-1991弹性阻尼簧片联轴器
Elastic damping leaf damper
GB/T14654-1993弹性阻尼簧片减振器
A SOLUTION FOR DYNAMIC RESPONSE OF SHROUDED BLADED DISC WITH COULOMB DAMPING
考虑库仑阻尼时叶盘系统振动响应的求解方法
Experiments of Vibration Reduction Effect of Particle Damping on Helicopter Rotor Blade
颗粒阻尼对直升机旋翼桨叶减振效果的试验
Research on Mechanism of Noise Reduction by Damping and Damping Diamond Saw Blade;
阻尼降噪机理及消音金刚石锯片的研究
Response of Electrical Impedance Spectroscopy Parameters of Wheat(Triticum aestivum L.)Leaves to the Stress of Heavy Meatals
小麦叶片电阻抗图谱参数对重金属胁迫的响应
Effect of salt stress on electrical impedance spectroscopy parameters of wheat(Triticum aestivum L.) leaves
盐胁迫对小麦叶片电阻抗图谱参数的影响