An improved method for structural damage identification based on residual force vector is presented.
提出了一种改进的残余力向量法用于工程结构损伤识别。
The first step identifies the location of the possible damaged poles by analyzing the joint residual force vector.
在无噪声的情况下,使用任意一阶模态数据,残余力向量法都能够对损伤进行准确定位。
The high specific weight tungsten alloy material has good plasticity, large strength, large deflection and small residual force.
本发明高比重钨合金材料塑性好、强度大、变形量大及残余力小。
A new two-step damage identification method based on residual force vector considering the impact of measurement error (noise) in most cases is proposed.
提出了一个考虑模态噪声影响的基于残余力向量法的损伤识别两步法。
In recent years, the method based on residual force vector (RFV) and applied in structure damage identification has been concerned and some achievements were achieved.
近年来基于残余力向量法的损伤识别技术受到了关注并取得了一定的研究成果。
In the first step, we proposed a modification to the conventional modal residual force method, so that possibly damaged elements in a structure can be located more reliably.
在第一步骤中,我们提出了一种修改常规的模态残余力方法,使得可能损坏的元件可以位于在一个结构中的更可靠。
Thus, they sought a home, and found Nellis Air Force Base, long since left empty because of the residual radiation, which the Vault dwellers easily circumvented with the use of their Geiger counters.
所以,他们迫切需要一个家,这使他们找到了内里斯空军基地,因为辐射的关系这里一直空着,利用盖格计数器这些避难所住民很快就到达了这里。
In this paper, the influence of diamond tool sharpness on machined surface quality was studied from the viewpoints of the cutting force, surface roughness and residual stress.
本文从切削力、表面粗糙度、表面残余应力几个方面,研究了金刚石刀具刃口修锐度对切削表面质量的影响。
The residual stress produced by end-milling force and its effect on the work-piece deformation is analyzed by means of the commercial fe software ANSYS.
应用商业有限元软件AN - SYS分析了立铣切削力产生的残余应力及其对工件变形的影响。
The functional relation of the residual stresses and the skiving power and force can be applied to monitor the residual stresses pattern of automotive gears during the skiving process.
刮削残余应力与刮削功率及切削力之间的函数关系,可用作汽车齿轮制造中监测刮削残余应力状态的参考依据。
On the basis of the method of residual modal force analysis, the algorithm for determining the location of damage is presented.
基于剩余模态力分析方法,提出了确定结构损伤位置的算法。
It introduces that how to watch and measure the hysteresis loop-line, residual magnet and coercive force of ferromagnet through an oscillograph.
介绍了如何利用示波器观察和测量铁磁物质的磁滞回线、剩余磁感应强度和矫顽力。
Using experimental and finite element analysis methods, the effects of electrode forging force are investigated on residual stress and fatigue behavior of spot welded aluminum alloy joints.
采用试验和有限元分析相结合的方法,考察了锻压力对铝合金电阻点焊接头中残余应力和接头疲劳行为的影响。
The cutting force and residual stress have considerable influence on the distortion of thin-walled parts.
加工过程中的切削力、残余应力将产生零件加工变形及加工误差。
By adopting limiting equilibrium theory and transport coefficient method, landslide pushing force and residual anti-slide force before pile are calculated.
利用极限平衡理论,采用传递系数法,计算膨胀土滑坡推力和桩前剩余抗滑力。
The above FEM model is analyzed by commercial software DEFORM-2D, and some results including the chip formation, temperature distribution, cutting force variable and residual stress were obtained.
利用商业化软件DEFORM - 2d,对所建立的模型进行了有限元分析,得到了切屑成形、温度分布、切削力变化以及残余应力等结果。
The fundamental methods of our country's rural residual labor force transfer are to transfer inside the First Industry or transfer to the Second and Third Industry.
农村剩余劳动力在第一产业内部的转移和劳动力向二、三产业的转移,是我国农村劳动力转移的基本途径。
The numerical results indicate that the contact stress and strain, and the residual stress and strain increase as either of the switch gap, switch contact force, or electric current loads increase.
分析结果显示,在本文分析之范围内,微继电器开关之接触弯曲应力、应变以及残留应力、应变均会随著开关间隙、接触力以及电流负载之增加而增加。
When the coach running on the transitional curve, the residual nonbaknced inertial force is held off through the centrifugal acceleration feedback.
在过渡曲线通过时,车体残余未平衡惯性作用,通过离心加速度的反馈加以“抵制”。
Production data are used to develop rolling power consumption and force mathematical models, and the phenomenen of residual strain are thought, in establishing high temp…
在研制材料变形抗力模型时,考虑了残余应变的影响;
Conclusion the key to determine pathological affect is the degree of consciousness disorder, which can be determined by the exhaustion of mind and physical force and by residual amnesia.
结论:意识障碍程度是鉴定病理性激情的关键,而意识障碍可借助于发作后体力与精神衰竭、后继性遗忘以资鉴别。
It was improved that, only by reducing the number of the farmers and realizing the transfer of residual rural labor force to the non-agricultural can we make farmers richer.
实践表明,只有减少农民、实现农村剩余劳动力向非农的转移,才能富裕农民。
Along with the tremendous transfer of the country residual Labour force, one new social colony — children left in the rural areas, have come into being.
近年来我国农村剩余劳动力向城市的大规模转移,导致一个新社会群体“留守儿童”的产生。
New idea to control welding residual stress and distortion with trailing impactive electromagnetic force was given.
提出了基于脉冲电磁力随焊控制焊接应力及变形新方法。
Although the residual stress is self-balanced, but for steel members under the performance of the external force or have a certain influence.
残余应力虽然是自相平衡的,但对钢构件在外力作用下的性能还是有一定影响。
The stability analysis method of the two-dimensional residual down-sliding force analysis method is used in the analysis and calculation of the three-dimensional slope stability.
本文将二维余推力稳定性分析方法推广到三维边坡稳定性分析计算中。
The mitigation of residual stress decreases the driving force for crack propagation, and leads to higher fatigue…
残余应力的降低使得疲劳裂纹扩展的驱动力减小,接头的疲劳强度提高。
However, as the interface was fully damaged, shear stress would decrease to a certain degree, and the residual shear stress nearly kept a constant value which equal to the friction force.
当接触面被完全剪断后,模型中的剪切应力出现了一定程度的下降,此后的剪应力在摩擦力的作用下基本保持不变。
Good performance in adhesion, High Temperature Resistance, Solvent Resistance, Strong Holding Force, No Residual Adhesive Left. For protecting gold finger in the process of PCB.
粘性佳,耐高温、耐溶剂、保持力强、不残胶。;用于印刷线路板(PCB)过锡炉喷锡和波峰焊过程中遮蔽保护金手指。
Good performance in adhesion, High Temperature Resistance, Solvent Resistance, Strong Holding Force, No Residual Adhesive Left. For protecting gold finger in the process of PCB.
粘性佳,耐高温、耐溶剂、保持力强、不残胶。;用于印刷线路板(PCB)过锡炉喷锡和波峰焊过程中遮蔽保护金手指。
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