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Optical absorption tunability and local electric field distribution of gold-dielectric-silver three-
The effects of inner nanowire radius,shell thickness,the dielectric functions of middle layer and surrounding medium on ......
Formability of AA 2219-O sheet under quasi-static,electromagnetic dynamic,and mechanical dynamic ten
The mechanism by which electromagnetic forming(EMF)enhances the formability of metals is unclear owing to the coupling e......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Theoretical analysis on quasi-static lateral compression of elliptical tube between two rigid plates
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Temperature Effect on the Mechanical Behavior of Acrylic Polymers under Quasi-static and Dynamic Loa
In this paper, the mechanical behavior of acrylic polymers at elevated temperature was investigated. Four acrylic polyme......
通过两组钢板夹芯混凝土组合剪力墙的拟静力试验,对双向压弯荷载作用下钢板混凝土组合剪力墙的承载能力、变形能力和破坏模式进行......
Quasi-static Analysis of Thrust-loaded Angular Contact Ball Bearings Part Ⅰ: Theoretical Formulation
Ball bearings play an important role in various rotating machineries,but the complicated kinematic and tribological feat......
Ball bearings are widely employed mechanical components characterized by high precision and quality,and usually play imp......
Quasi-static and high strain rate compressive experiments on vinyl ester casting were carried out by means of MTS (Mater......
为了探究地震作用下,不同连接形式对混凝土桥墩抗震性能的影响,设计了预应力连接型装配式混凝土桥墩与整体现浇桥墩两种连接形式的......
为了提高便携式落锤弯沉仪(PFWD)测定高液限土路基回弹模量的精度,考虑变形滞后效应对反算结果的影响,提出了一种基于Kelvin粘弹性......
高效计算并整体分析软体尺蠖机器人的运动规律和行进步态是个具有挑战性的难题.在准静态条件下,建立了一个由刚性滑块和曲梁构成的......
封闭空间发生内爆炸时.由于受到周围墙体的限制.作用荷载得以加强。文中分析了结构内爆炸荷载的组成,提出了内爆炸荷载作用下抗爆墙设......
对φ70mmC60、C100混凝土试样,在φ74mm直锥变截面式SHPB进行动态压缩试验;并在MTS810电液伺服材料试验机上进行准静态压缩试验作......
The J Integral of an elastic-plastic curved crack under quasi-static loads has been mainly worked in the paper,and the J......
采用扁平闭合帽形试样,利用材料试验机(MTS)和分离式霍普金森压杆(SHPR)作为加载手段,结合数字图像相关法(DIC)和金相分析,研究准......
Temperature Effect on the Mechanical Behavior of Acrylic Polymers under Quasi-static and Dynamic Loa
In this paper, the mechanical behavior of acrylic polymers at elevated temperature was investigated. Four acrylic polyme......
Hydro-mechanical interaction effects and channelling in threedimensional fracture networks undergoin
The flow properties of geomechanically generated discrete fracture networks are examined in the context of channelling.F......
以准静态隧道电离理论为基础,计算并讨论了不同激光偏振参量对基于光场感生电离电子碰撞机制的系统的电离电子能量的影响,结果表明......
为说明角联锁机织复合材料在准静态拉伸加载下的破坏行为,通过实验分析的方法,考察了材料的应力一应变曲线以及破坏形态,说明了角联锁......
针对液压挖掘机动臂下放时大量势能转化为热能的问题,提出一种同时采用进出口独立节流调节、流量再生和能量回收的新型动臂节能系......
Effect of particle gradation of aluminum on the explosion field pressure and temperature of RDX-base
To optimize the energy output and improve the energy utilization efficiency of an aluminized explosive,an explosion devi......
对304不锈钢半球壳进行了2种边界条件下的准静态压缩实验,实验结果发现了2种不同的变形模态:环扣边界下的变形模态为六边形,自由边......
BUBBLE POINT PRESSURE MEASUREMENT FOR ISOTHERMAL QUATERNARY SYSTEM AND PREDICTION OF VAPOR-LIQUID EQ
1 INTRODUCTIONVapor-liquid equilibrium(VLE)relations are required for practical use,such as in the designand operation o......
近场动力学(Peridynamics,PD)是一种新兴的基于非局部模型描述材料特性的数值计算方法。该方法假定位于连续体内的粒子通过有限的距......
为了提高防刺服的防刺性能,减轻其质量并减小厚度,采用碳化硼(B4C)/环氧树脂涂层的方式制备防刺织物。选择粒子直径、质量分数和搅......
以哈尔滨工业大学宇航空间机构及控制研究中心研制的四腿桁架式月球着陆器样机为研究对象,通过简化模型,导出了着陆器着陆过程中各......
考虑轴承接触角的变化,推导了向心球轴承在承受径向、轴向以及弯矩载荷作用下的力学平衡方程。基于拟静力学法建立了向心球轴承的......
从自由段导弹目标的运动特性出发,对沿椭圆轨道高速运动并伴有进动的弹头雷达回波特性进行分析.建立了导弹的最小能量弹道模型和进......
爆破振速幅值的控制对边坡的稳定性起着重要的作用,以峨眉黄山石灰石矿山台阶边坡为例,采用拟静力法研究含软弱层边坡,倾角θ=15°......
随着我国核电的快速发展,对后处理能力有了越来越大的需求。更大的后处理能力,意味着对于临界安全提出了更高的要求。因此需要对核......
准静态分析是一种通过限制加载速率,使动力学因素在结果中的影响控制在可接受的范嗣内的动力学分析疗法。为了求解承受轴压载荷的加......
针对安全带固定点强度试验这一准静态过程,通过对比分析弹性动力学中中心差分法(显式)和Newmark法(隐式)的优劣,选用LS-DYNA的显式求解......
本文介绍了一种可以对连续,质轻的蓬松状物为进行准确计量和控制的准静态计量系统,详细论述了如何采用最优控制方法和软件编程技巧,将......
本文简要论述了机器人功率行为这一新概念,它为准静定功率行为的研究提供了理论基础,对改善机器人工作能力、效率以及动态特性等具......
Flexible pipelines are often used to connect hard pipes from a foundation to a superstructure to accommodate large defor......
采用熔体发泡法,以原位自生Mg2Si/Al复合材料为基体,CaCO~作发泡剂,通过控制温度和搅拌参数,成功制备出不同密度的闭孔泡沫铝。通过静态......
为研究预制叠合整体式剪力墙的滞回性能,对 1 块现浇剪力墙及1 块预制叠合整体式剪力墙试件进行低周往复荷载试 验,分析其在荷载作......
过电压保护规程和电磁场分析法在处理杆塔雷电反击特性时存在一定的缺陷。文中采用感应电荷法分析和计算线路杆塔雷电反击特性以及......
采用模压烧结法制备Al/Fe2O3/聚四氟乙烯(PTFE)反应材料。通过万能实验机、落锤仪以及高速摄影仪对不同配比及烧结温度下成型Al/Fe2O......
采用流体计算软件模拟非满载充液罐车的转弯过程,监测不同充装率下瞬时液体质心坐标、冲击载荷和侧翻力矩,并与准静态法(QS)估计值......
针对混合光交换设备利用率较低的问题,提出了一种应用于电路与分组混合光交换中的准静态时隙分配方案,分析了采用该方案的交换机性......
对弹道导弹目标的运动特性和散射特性进行分析,建立了弹头的微动模型,并较为逼真地仿真了弹头的轨道运动轨迹,在此基础上引入准静......
为研究土壤准静态的压缩力学性能,利用电子万能试验机对土壤进行了准静态压缩实验,分析了其密度、质地、水的体积分数等参数对静态......
采用一种新的弹性一粘塑性模型,对弹性一粘塑性介质中准静态Ⅲ型扩展裂纹进行了渐近分析.分析计算结果表明,在裂纹尖端附近应力和......
This paper presents a study of the quasistatic and dynamic deformation behaviors of conventional and microalloyed medium......
In this study, AA2519 alloy was initially processed by multi axial forging (MAF) at room and cryogenic temperatures. Sub......
Ball bearings play an important role in various rotating machineries,but the complicated kinematic and tribological feat......
Ball bearings are widely employed mechanical components characterized by high precision and quality,and usually play imp......