1) Ice-induced Fatigue
冰振疲劳
1.
Study on Ice-induced Fatigue Characteristic of Jacket Platform;
导管架平台冰振疲劳特性研究
2) ice-induced fatigue
冰激疲劳
1.
The strength of legs of a jack-up drilling platform serviced in Bohai Sea is evaluated and the ice-induced fatigue damage of the platform leg under different ice parameter was determined.
对渤海某自升式钻井平台桩腿进行了强度校核,计算出不同海冰参数下平台桩腿的冰激疲劳损伤。
2.
The strength of a jack-up platform serviced in Bohai Sea is checked by using the method proposed in this paper,the ice-induced fatigue damage of the platform leg under different ice parameter is calculated.
方法对渤海某自升式平台桩腿进行了强度校核,计算了不同海冰参数下平台桩腿的冰激疲劳损伤。
3.
The detailed process of fine assessment on the time-field of ice-induced fatigue on the offshore platform is presented in order to evaluate the safety reliability of offshore platform in the ice region within the service period.
为了评估冰区平台在服役期内的安全可靠性,给出了平台冰激疲劳时域精细评估的详细流程。
3) vibration fatigue
振动疲劳
1.
Analysis on vibration fatigue and heat transfer enhancement technology of shell and tube heat exchangers;
管壳式换热器振动疲劳与强化传热技术评析
2.
The results show that the fracture mode of blade is vibration fatigue and the main cause of initiation of fatigue crack is the mismatch between rabbet and tongue-and-groove.
结果表明,叶片的断裂模式为振动疲劳,叶片榫头与榫槽配合不当是萌生疲劳裂纹的主要原因。
3.
An advanced global/local finite element modeling (FEM) technique combined with superelement technique was used to study SMT solder joint vibration fatigue on the basis of an example of Flip Chip assembly.
应用超单元技术并结合局部 /整体三维有限元模型 ,以 Flip Chip封装体系为例 ,对 FlipChip焊点的振动疲劳可靠性问题进行研究 。
4) wind-induced fatigue
风振疲劳
1.
The wind-induced fatigue of guyed masts is a process of the wide-band stochastic fatigue.
桅杆结构随机风振疲劳是宽带随机疲劳过程。
2.
The joint distribution of wind speed and direction is one of prime characters of wind load,the distribution function at the location of building have to be acquired before wind-induced fatigue life or reliability of the building is studied.
风速风向联合分布是风荷载基本的特征之一,在进行结构风振疲劳寿命或者风振可靠性分析时,需要先求得建筑结构所在位置处的风速风向联合分布函数。
3.
According to the basic theory of fatigue,we got the stress amplitude and the number of circulation by analyzing the process of the most dangerous element stress with the rain flow method and calculated the fatigue life of the windbreak based on the linear cumulative damage Miner theory by compiling the procedure of ANSYS wind-induced fatigue.
结合疲劳分析的基本理论,应用雨流法统计最危险单元的应力时程,得到应力循环次数及应力幅大小,根据Miner线性累积损伤准则编写ANSYS的风振疲劳程序,计算得到防风网结构的疲劳寿命。
6) sea ice fatigue parameter
疲劳海冰参数
补充资料：点振子振动和点电极振子振动
分子式：
CAS号：
性质：又称点振子振动和点电极振子振动。振动能量绝大部分集中在点电极范围内，形成“能量封闭”的振动模式。振子电极面远小于压电陶瓷片的总面积，且与厚度有适宜的匹配关系。在交变电场作用下，沿厚度方向产生振动，其振幅随着至电极中心距离的增加，呈指数式衰减。谐振频率与压电陶瓷片的厚度有关。为提高频率通常将压电陶瓷片磨得很薄，有时考虑到压电陶瓷自身强度太低，可用特制的陶瓷片作垫片来防止压电陶瓷片损坏。常用于高频场合。
CAS号：
性质：又称点振子振动和点电极振子振动。振动能量绝大部分集中在点电极范围内，形成“能量封闭”的振动模式。振子电极面远小于压电陶瓷片的总面积，且与厚度有适宜的匹配关系。在交变电场作用下，沿厚度方向产生振动，其振幅随着至电极中心距离的增加，呈指数式衰减。谐振频率与压电陶瓷片的厚度有关。为提高频率通常将压电陶瓷片磨得很薄，有时考虑到压电陶瓷自身强度太低，可用特制的陶瓷片作垫片来防止压电陶瓷片损坏。常用于高频场合。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条