推导了交变载荷下弹塑性随机有限元法迭代格式。
The iterative formulas of elastoplastic stochastic finite element method under cyclic loading were deduced.
本文主要研究波浪交变载荷对挖泥船定位桩疲劳强度的影响。
This paper mainly study the influence of wave alternating load on the strength of cutter suction dredger spud.
介绍了一种预测受多轴交变载荷工程构件的低周疲劳寿命的方法。
A method is outlined for making low cycle fatigue life prediction for engineering components subject to multiaxial loading.
该工艺可推广到承受较大交变载荷场合下零件的磨损、压痕的修复。
This technics also extends to the renovation of accessory's abrasion and scars in the situation of big alternant load.
交变载荷不但影响了材料的内部,同时也影响了腐蚀表面的表面状态。
The cyclic loading not only affect the inner part of the material but also the surface state of the corroding surface.
针对复杂的交变载荷,采用运动强化模型反映塑性应变引起的各向异性和包辛格效应。
The (aeolotropism) and Bauschinger effect resulted from plastic deformation under cyclic loading were reflected by the kinematic hardening model in the SFEM.
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。
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.
对于那些长期经受交变载荷作用的机械零件和工程构件,疲劳破坏是一种主要的破坏模式。
Fatigue damage is the main destroy mode for the machinery parts and engineering structures under alternate loading over a long period of time.
因液体压力脉动形成的作用于液压导管的交变载荷是造成液压导管疲劳破裂的主要因素之一。
The variational load engendered by hydraulic pressure undulation is one of the main factors of hydraulic pipe fatigue break.
在齿形链传动中,链条承受周期性的交变载荷,其中链节啮入轮齿时产生的冲击载荷影响较大。
In odontoid chain drive, the chain bears a periodical alternating load, in which the impact load produced while the link meshes into the tooth of sprocket makes comparatively big effect.
本文基于小孔释放法测量残余应力的方法,通过实验研究了交变载荷对焊接残余应力场产生的影响。
Based on the blind-hole method, series of experiments are carried out to analyze the effect of alternate loading to the redistribution of residual stress.
凹模在使用过程中,由于交变载荷的作用,使碳化物的棱角处应力集中出现裂纹,最终导致凹模开裂。
The crack appears at the edge angle due to stress concentration caused by alternating load, which finally leads to the fissuring of die plate.
结果表明:交变载荷对铝合金板表面残余应力松弛的影响主要取决于加载应力与残余应力的矢量叠加;
The results show that the effect of alternate load on surface residual stress relaxation of aluminum alloy plate mainly depends on the vector superposition of load stress and residual stress;
采用损伤力学理论,研究了P 355nl1钢含沟槽轴对称试件在交变载荷作用下的疲劳损伤破坏过程。
Based on the continuum damage mechanics, the fatigue damage behavior of a P355NL1 steel specimen with notch under cyclic load was discussed.
热轧带钢工作辊在轧制生产中,承受较大的交变载荷作用,在轧制生产中如果控制不当,极易出现轧制事故。
Hot strip working roller endure the major alternating load on line, if control unsuitable easy to cause accident occurrence.
疲劳性能试验检验材料在交变载荷作用下抵抗破断能力的一种试验,其试验的疲劳极限作为工程构件的设计依据。
The fatigue function test is the one that to examine resist burst function on the change force. It's basis engineering component design which the fatigue limit by test.
考虑零构件的随机因素,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,为低周疲劳可靠性分析提供了更精确的依据。
The component randomness is considered. The SFEM is introduced in the iterative formulas of EFEM under cyclic loading to obtain the random response of local stress and strain.
发动机曲轴是发动机中最重要的部件之一,它承受复杂、交变的冲击载荷,是发动机设计的重点和难点。
The crankshaft is one of the most important components of engine, it endures complex and alternate load and it is the key point and difficulty of the engine design.
汽车发动机链条的高速多冲特性以及速度与载荷的交变特性,是影响其耐磨性能和多冲抗力的关键因素。
The high-speed multicycle impact and speed, load fluctuant characteristics is a key factor that has influence on resistance to wear and resistance to multicycle impact for automotive engine chain.
这些接头和接箍在长期承受交变、冲击和振动载荷的工作条件下经常发生脱扣,甚至断裂。
Those tie-in and adaptor regularly drop out on secular cyclical loading, impulsion and vibration force, even breaking.
推力球轴承能承受两个方向的交变轴向载荷。
Thrust ball bearing is separable bearing and only can be subject to axial load.
铁路钢桥承受的载荷是往复的交变荷载,其主要的破坏形式之一是疲劳和断裂。
The loads on railway steel Bridges are repetitive, the fatigue and fracture are the main reasons that engineering constructions lose their capability.
铁路钢桥承受的载荷是往复的交变荷载,其主要的破坏形式之一是疲劳和断裂。
The loads on railway steel Bridges are repetitive, the fatigue and fracture are the main reasons that engineering constructions lose their capability.
应用推荐