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损伤模拟
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  damage simulation
     Threat assessment is one of the most important researching contents of battlefield damage simulation.
     威胁评估是战场损伤模拟研究的重要内容之一,对于开展更为深入的战场损伤模拟研究是非常重要的。
短句来源
     Application of Neural Networks in Structure Damage Simulation
     神经网络在结构损伤模拟中的应用
短句来源
     The damage simulation results are in good agreement with the ultrasonic C scan results.
     损伤模拟结果与超声C扫描的结果吻合较好。
短句来源
     Experiment and Damage Simulation Studies of Composite Structure with Plies Drop-off
     复合材料斜削结构试验和损伤模拟研究
短句来源
     The research of battle damage simulation is one of the basic contents in BDAR, and assume importance to prove the reliability and maintenance of the equipment.
     装备损伤数据通过建立装备、威胁描述和战斗损伤模拟等模型,输入模拟装备数据、威胁数据、环境因素等简化模型,进行损伤仿真试验得到。
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  injury simulation
     Head and engine hood impacting injury simulation
     头部撞击发动机罩板的损伤模拟
短句来源
  damage states simulation
     At the same time, simple evaluation is given to the present methods of damage states simulation and points out that this kind of damage states appears as a abrupt result, which doesn' t come up to the fact for the actual damage states have to experience a course of damage accumulation, so it breaks the continuance of feasibility verifying and makes only two points, namely pre-damage and step-damage, is checked.
     同时对现行的损伤模拟方法进行了简单评价,指出这些方法所模拟的损伤是以一种突变的形式出现的,使得检验过程演变为对损伤前后两种状态下损伤诊断方法的有效性进行检验,这与结构损伤程度逐步加深的实际情况不符,且导致了检验过程的不连续。
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  “损伤模拟”译为未确定词的双语例句
     Study of brain MRI signal changes of rat model of Alzheimer's disease by transected unilateral fimbria-fornix
     穹窿海马伞损伤模拟Alzheimer's病模型大鼠脑MRI研究
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     Through modifying the constants of the materials with damaged layers,it simulated the impact of local stiffness degradation caused by laminate damage on transverse indentation processes.
     在损伤模拟过程中采用机体开裂和分层扩展判据,分类考虑了不同的损伤形式,通过修正损伤层材料的常数来模拟层板损伤所造成的局部刚度下降对横向压痕过程的影响。
短句来源
     Thermal damage experiment of the JB-9014 explosive was carried out under 200℃ for two hours.
     在200℃高温条件下恒温2 h,对JB-9014炸药进行了热损伤模拟实验。
     Thermal damage experiment of the JB-9014 explosive was carried out by keeping it under 200℃ for two hours.
     采用在200℃高温条件下恒温两个小时的方法,对JB-9014炸药进行了热损伤模拟实验。
短句来源
     METHODS Basal forebrain of rats were injured by 10 μg ibotenic acid (IBO) injection in each side.
     方法采用鹅膏覃氨酸(IBO)基底前脑注射造成模型大鼠脑内胆碱能系统损伤,模拟老年性痴呆动物模型。
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  damage simulation
Results of flood-damage simulation studies carried out in the laboratory on wheat, rapeseed and flax generally confirmed those from the field.
      
In the proposed damage simulation algorithm, the Nmin parameter determines the manner in which elementary damages are grouped into lesions.
      
The experimental procedure includes the damage simulation using a knife indenter and surface mapping of the damaged region.
      
The natural hazard is designed for storm throw damage simulation.
      
The second major step in the damage simulation algorithm is the grouping of elementary damages into lesions.
      
  injury simulation
However, few studies have examined the role of motor performance in patient effort, and no studies have examined motor functioning in an injury simulation.
      
Both limit the risk that an injury simulation is an academic exercise, not applicable to real world conditions.
      


In this paper, by using the shaking table test of one-story and multi-storyR.C frame models, the effect of their earthquake damage on the dynamical properties is brougth to light. Then, in accordance with the fundamental theory of dam age mechanics, an earthquake damage model experessed by the identificableparameter is presented. Thirdly, an identification method of the damage stateparameters of struCture is proposed to evaluate the structural earthquake damageTherefore, a theoretical foundation is provided...

In this paper, by using the shaking table test of one-story and multi-storyR.C frame models, the effect of their earthquake damage on the dynamical properties is brougth to light. Then, in accordance with the fundamental theory of dam age mechanics, an earthquake damage model experessed by the identificableparameter is presented. Thirdly, an identification method of the damage stateparameters of struCture is proposed to evaluate the structural earthquake damageTherefore, a theoretical foundation is provided for the identification of R.C. structural earthquake damage and for the structural retrofit.

通过单层及多层钢筋混凝土框架模型的地震损伤模拟试验,揭示了钢筋混凝上结构地震损伤与动力特性变化的关系;根据损伤力学方法,建立了利用可识别参数的地震损伤模型;提出了结构损伤状态参数的识别方法和以此为基础估计结构地震损伤的方法,从而为钢筋混凝土框架结构的震后损伤识别和修复加固提供了理论依据.

In this paper, the effect and the feasibility of seismic retrofit of R.C. frame using energy dissipation device are presented. In the experiment, a two-story and a three-story shear type R.C. frame are made. Firstly, a simulative earthquake damage test is carried out. Then, the method of parameter of earthquake damaged structure is established. The retrofit design rule with energy dissipation device is set up. Based on these results, two damaged R.C. frames are retrofitted. Again the retrofitted frame are tested...

In this paper, the effect and the feasibility of seismic retrofit of R.C. frame using energy dissipation device are presented. In the experiment, a two-story and a three-story shear type R.C. frame are made. Firstly, a simulative earthquake damage test is carried out. Then, the method of parameter of earthquake damaged structure is established. The retrofit design rule with energy dissipation device is set up. Based on these results, two damaged R.C. frames are retrofitted. Again the retrofitted frame are tested on the shaking table.The test results show that the retrofit method is feasible.

本文通过地震模拟振动台试验研究用耗能减震装置修复震后有损伤钢筋混凝土框架的效果和可行性。文中制作了两层和三层两座钢筋混凝土剪切型框架,首先进行了地震损伤模拟试验;其次提出了震后有损伤结构的参数识别方法、修复准则和修复用耗能减震装置的设计准则;在此基础上,采用了软钢屈服型耗能器对两座试验框架在地震损伤后进行修复,并再次对修复后的框架模型进行地震模拟试验,证实了采用这种修复措施可以恢复震后有损伤结构的抗震能力。

Based on the analysis of the motion state of foreign objects to compressor blades, the impact energy equivalent method is suggested for the simulation of foreign objects to compressor blades in which the potential energy of the hammer and the kinetic energy of the foreign objects to the blades is equivalent. Moreover, a hammer set is designed and manufactured. The relation between the damage pattern and the impact energy by experiments is observed. With the increasing of the impact energy, the damage pattern...

Based on the analysis of the motion state of foreign objects to compressor blades, the impact energy equivalent method is suggested for the simulation of foreign objects to compressor blades in which the potential energy of the hammer and the kinetic energy of the foreign objects to the blades is equivalent. Moreover, a hammer set is designed and manufactured. The relation between the damage pattern and the impact energy by experiments is observed. With the increasing of the impact energy, the damage pattern appeared in order as dent→flange→crack→flange shearing rupturing at 45° which is as same as the damage pattern in the leading edge of the blade obtained in out field. Meanwhile, the corresponding high cycles fatigue tests on TC4 compressor blades are done to verify the validity of method. It points out that the method suggested is good for the investigation for foreign objects damage to compressor blades.

在分析外物与叶片间的运动态势后,提出压气机叶片外物损伤模拟的撞击能量当量法,即使得摆锤的势能与外物撞击叶片时可能达到的动能相等。据此,设计并制作了摆锤装置,并实验观察到钛制压气机叶片损伤形态与撞击能量间的变化关系,即随着撞击能量的增加,损伤形态产生的顺序为:压痕→突缘→裂纹→突缘呈45°剪切破坏。这与外场收集到的叶片的前缘损伤形态一致。同时,采用TC4压气机叶片进行了相应的高周疲劳试验,验证了方法的正确性。本文方法为研究压气机叶片外物损伤提供了良好的手段。

 
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