coulomb friction meaning in Chinese
库伦摩擦
库仑摩擦
Examples
- Coulomb friction model with high accuracy is proposed so that more accurate equations of motion can be established for the transient response of the single - disk rotor which drops onto the back - up bearing as soon as amb shuts down
摘要就磁轴承发生故障时转子坠入备用轴承所?生的非线性瞬态响应，提出了摩擦力的计算模型，从理论上建立了更为精确的运动微分方程。 - A coulomb friction model with high accuracy is proposed so that more accurate equations of motion can be established for the transient response of the single - disk rotor which drops onto the back - up bearing as soon as amb shuts down
摘要就磁轴承发生故障时转子坠入备用轴承所?生的非线性瞬态响应，提出了摩擦力的计算模型，从理论上建立了更为精确的运动微分方程。 - By considering the contact between the teeth and utilizing the face to face contact model with contact element and coulomb friction model , the author have developed a computing method for plastic load of tooth - locked quick actuating pressure vessel based on finite element stress analysis and stress categorization
摘要通过接触单元来数值模拟啮合齿的接触过程，建立了基于整体有限元分析的齿啮式快开压力容器塑性载荷计算方法。 - Fist of all , on the basis of the research of agone boffins , this author investigates the interaction mechanism of bolts and rock , and introduces the elastic ? lastic analytical resolution which is consist of the liner structure , the equivalent reinforced wall rock and the original wall rock in the simple loading from the equivalent well - proportioned view ; this solution is very important meaning for the engineering design . on the basis of coulomb friction model , the author introduces the finite element equation of the contact problem in order to provide the academic foundation for the application of msc . marc . finally , combining the engineering practice of the non - linear analysis of shield tunnel through yellow river of the south - north water transfer and using the model of friction , the author researched the evolution law of stress and displacement field in the structure of grouted rock bolts , and analyzed the effect to the stress and deformation of surrounding rock mass due to anchor supports
首先，在前人研究成果的基础上，对锚杆与围岩的相互作用机理进行研究，利用全长锚固锚杆的中性点理论，从等效均化的角度来考虑锚杆对围岩的加固作用，并推导了在简单荷载作用下，含有衬砌、等效加固后的围岩、原始围岩三者的弹塑性解析解，对工程设计有着重要的参考意义；在数值模拟方面，以考虑锚固围岩满足规则化库仑摩擦模型为基础，利用虚功原理推导了接触问题的有限元方程的计算格式，为开发运用大型商用有限元软件msc . marc提供了理论根据，也形成了本文的理论基础：最后，论文以南水北调东线穿黄隧洞稳定性分析项目为工程实例，利用本文所述的接触问题的摩擦模型理论，对锚杆支护结构的应力场、位移场的变化规律进行了研究，分析了加锚支护对隧洞围岩应力、变形的影响。 - The main research results are as follows : the friction contact between teeth in the tooth - locked quick closure device is studied , and the simulation is made to the contact conduct between the teeth utilizing the face to face contact model with contact element and coulomb friction model , the whole finite element model of tooth - locked quick closure device is created
本文主要有以下成果： ( 1 )对齿啮式快开装置中啮合齿间存在的摩擦接触现象进行了研究，利用接触单元法采用面-面接触模型和库仑摩擦模型对齿间的接触行为进行数值模拟，建立了齿啮式快开装置的整体有限元模型。