查询词典 dovetail joint

In this research we discovers that mortise and tenon joint, dovetail joint, tongue joint, finger joint, and dowelled joint are very interesting and functional joint methods.

本研究发现传统的木式结构的对接、搭接、榫接和拼接等的技法是非常有趣和极具功能性的接合方式。

For dovetail joint,the problem of elastic contact is solved using the finite element method.

针对燕尾榫连接结构，采用有限元技术求解接触问题，获得结构接触应力及接触状态量的分布，并预测裂纹萌生的位置。

In other embodiments, the flexure joint is a dovetail joint permitting one end of the mount to slip relative to the other.

在其它的实施例中，该挠曲连接部是一鸠尾连接部，它允许固定件的一端相对另一端滑动。

Distribution of contact stress and contact status of dovetail joint are obtained,and the location of fretting fatigue crack predicted.

进一步应用该位置处的应力场和接触状态进行结构的寿命预测，通过燕尾榫连接结构的低周微动疲劳试验，获得了寿命预测模型中的相关参数。

Distribution of contact stress and contact status of dovetail joint are obtained, and the location of fretting fatigue crack predicted.

针对燕尾榫连接结构，采用有限元技术求解接触问题，获得结构接触应力及接触状态量的分布，并预测裂纹萌生的位置。

A factor of friction power is considered during fatigue, and a new model for predicting fretting fatigue life under low cycle load is presented based on a nominal stress method. For dovetail joint, the problem of elastic contact is solved using the finite element method.

在低周疲劳寿命预测方法中，通过引人摩擦功因子，考虑微动作用对构件疲劳寿命的影响，对传统的名义应力法进行改进，以用于构件的低周疲劳寿命预测。

Fretting fatigue ; life prediction ; low cycle fatigue ; dovetail joint ; nominal stress method

微动疲劳；寿命预测；低周疲劳；燕尾榫；名义应力法

First, the theory of fretting wear and studies on fretting fatigue were introduced and the parametric method was used in the process of creating the model of dovetail joints in UG software. The elastic contact problem is analyzed in finite element method and is used to the parameters' distribution and contact stress of the joint are obtained on the base of ANSYS code. With the effect factor of load frequency, the prediction method of fretting fatigue life of dovetail joint under low and high/low cycle complex load is proposed. The proposed model and the approach were verified by experiments.

本文介绍了微动损伤的机理和微动疲劳寿命的研究方法；利用UG软件对燕尾榫联接结构创建了参数化实体模型；基于ANSYS软件平台求解弹性接触问题，获得了榫联接结构接触应力及接触状态量的分布；在已有微动疲劳寿命预测模型的基础上，引入载荷频率影响因子，对低周、高低周复合载荷作用下的燕尾榫联接结构进行了微动疲劳寿命的预测，与试验结果对比表明采用本文提出的方法预测榫联接结构的微动疲劳寿命是有效的。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。