1)  variable load
变载
2)  mutative load
交变载荷
1.
This paper contains a detailed experiment analysis on the fracture section characteristic,metallographic organization,chemical consists and mechanics property of the drill-stem subs,and performs a set of analysis calculation on the mutative load which putting on the drill-stem subs.
推断出转换接头的断裂原因:在使用过程中存在选型不合理,在弯曲、拉压、扭转、冲击、振动等交变载荷的复合作用下,在危险截面产生疲劳裂纹,从而导致转换接头疲劳断裂。
2.
This paper contains a detailed experiment analysis on the fracture section characteristic,metallographic organization,chemic consists and mechanics property of a drill pipe and a set of analysis calculation on the mutative load which putting on the drilling pipe.
在弯曲、拉压、扭转、冲击、振动等交变载荷的复合作用下,在钻杆外表面的腐蚀坑底部产生疲劳裂纹,随着裂纹的不断扩展,导致钻杆腐蚀疲劳断裂。
3)  variable load
可变载荷
1.
The key technology points are analyzed,including variable load,double derrick system,riser storage and engine room.
介绍新一代深海半潜式钻井平台的总布置理念、思路,分析可变载荷、双井系统、隔水管存放形式、机舱数目与布置等关键技术点,并对平台总布置予以综合说明。
4)  Cyclic Loading
交变载荷
1.
Because of the randomness of component chain transmission, this paper introduces the SFEM to the iterative formulas of EFEM under cyclic loading to obtain the random re.
针对复杂的交变载荷,推导了交变载荷下弹塑性随机有限元的迭代格式,迭代格式中,采用运动强化模型反映塑性变形引起的各向异性和包辛格效应,运用Jhansale模型描述材料的瞬态应力应变关系 由于链传动的随机因素,将随机有限元方法引入到交变载荷下弹塑性有限元的迭代格式中,得到局部应力应变的随机响应,为链传动铰链磨损分析提供了更精确的依
2.
The iterative formulas of elastoplastic stochastic finite element method (SFEM) under cyclic loading are deduced and the random responses of local multiaxial stress and strain are calculated.
推导了交变载荷下弹塑性随机有限元的迭代格式,计算了局部多轴应力应变的随机响应。
5)  transition load
转变载荷
1.
When the applied load was lower than the transition load,a hard mechanically mixed layer(MML) was .
在低于临界转变载荷时,复合材料的磨损表面形成硬度很高的机械混合层(MM L),改变了摩擦副的接触形式,对复合材料起到保护作用。
6)  creep load
蠕变载荷
1.
The influence of the elastic modulus of the wall rock on the creep load and distribution is investigated, and the law of elastoplastic deformation of the casing under the creep load is .
注水开发油田的套管在泥岩层中发生对称缩径变形而损坏,这是由于套损段周围的泥岩进水软化后,岩石力学特性发生变化,改变了作用在套管上的非对称外挤蠕变载荷的分布并加大了该载荷所致。
参考词条
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