Effect of media flow velocity on limit pressure of pipes during in-service welding;
介质流速对在线焊接管道极限压力的影响
Finite element simulation of limit pressure pipeline with cracks using critical crack-tip-opening-angle;
以临界CTOA为参量的含裂纹管道极限压力有限元模拟
Based on the numerical results,the remaining strength factor of the pipe can be obtained and limit pressure can be predicted.
运用有限元法对不同壁厚的管道进行在线焊接时的温度场进行了数值模拟,内部介质流动对焊接温度场的影响通过确定介质与管壁的换热系数来考虑,并根据温度计算结果,获得管道的剩余强度因子,进而获得管道的极限压力。
The load P-δ (normal deflection of plate center) curves, ultimate pressure P_(cr) of moderately thick plates were obtained through the test.
设计了四边简支板稳定性试验的加载、支承装置及试件,进行了中厚度钛合金板面内双向受压稳定性试验,测出了相应的极限压力Pcr;并与ANSYS软件的非线性有限元计算的结果作了比较,两者基本吻合;说明中厚度钛合金板采用有限元稳定性分析,选用20节点solid186体单元并计及材料非线性,是可靠有效的。
In this paper, the finite element technique based on the hypotheses of ideal elastic plastic material and small defection was applied to systematically analyze the affections of plastic ultimate pressure, the type of the elements and constraints to the value of the numerical solution for welded pipe with T junction when the ratio of d/D is greater than or equal to 0.
5管道焊接三通的塑性极限压力及网格密度、单元类型和约束形式对数值解的影响，结果表明，在管径比 d/D≥ 0。
The effect of design on the performance of rotary plunger vacuum pump is discussed mainly by way of analyzing such influencing factors as the ultimate pressure, pumping speed,power and noise on the pump operation.
主要讨论设计参数对滑阀真空泵性能的影响,对影响滑阀泵的极限压力、抽气速率、功率及噪声等性能的因素进行了具体的分析,并提出了有利于提高滑阀真空泵性能的设计思路。
Determination of extreme pressure for in-service welding of pipelines under repair
非停输管道焊接修复极限压力设计
An numerical model is created to calculate extreme pressure of internal corroded pipeline,which is based on finite element software and adopts the model of exponential kinematic material,the method of defect dissected by orthogonal areas and entire model meshed with hexahedron.
利用有限元软件,采用幂硬化随动强化材料模型、缺陷正交面切割法和模型完全六面体单元网格化方法,建立了数值分析模型,在规范B31G的基础上求得准确度更高的内腐蚀管道极限压力拟合公式,并用实际算例对其进行了验证。
Investigation on the Limit and Burst Pressures for the Vessels with Nozzle;
带接管压力容器极限压力及爆破压力的研究
Low ultimate pressure, high pumping speed for Ar.
极限压力低、抽气压力范围宽，对氩气抽速较高。
Engineering modeling of limit pressure for pipe containing defects
含缺陷管道极限压力的工程计算模型
Finite Element Method to Calculate Extreme Pressure of Internal Corroded Pipeline
基于有限元的内腐蚀管道极限压力计算
Normal ratings( pressures, temperatures, time setting, etc.) shall be durably marked.
译:正常极限.压力.温度.时间.将执久标示.
The Ultimate Load-Carrying Capacity in-Plane of Tapered Member;
楔形压弯构件平面内稳定极限承载力
Power Transmission Tower Angli Iron Bar Critical Load of Compressive Member;
送电铁塔单角钢受压极限承载力研究
Estimation of ultimate load for a screw pile under the vertical pressure
竖向承压螺旋桩基础极限承载力判定
Ultimate Bearing Capacity of FRP-Concrete Stub Columns under Axial Compression
FRP-混凝土轴压短柱的极限承载力研究
The Research on Finite Element Plastic Limit Analysis Method Subjected to Pore Water Pressure;
考虑孔隙压力的有限元塑性极限分析法研究
UPPER BOUND SOLUTIONS OF LIMIT ANALYSIS FOR LATERAL PRESSURE OF SQUAT SILOS
浅圆仓散料侧压力的极限分析上限方法
Analysis of Prestressed Subassemblage Concrete Frame on Load-Bearing Capacity;
预压装配式预应力混凝土框架极限承载力分析
Calculation of the laying-up diameter of LV power cables by the gradual degeneration method
两端极限法计算低压电力电缆成缆外径
Limit and Shakedown Analyses of 3-D Defective Pressurized Pipelines;
三维含缺陷压力管道的极限与安定分析
Numerical Limit and Shakedown Analyses of the Pressure Vessels with Part-Through Slots;
含凹坑缺陷压力容器极限与安定性数值分析
Research on Reasonable Blank-Holder Force and Deep-drawing Limit of a Conical Part;
圆锥形零件极限拉深系数及合理压边力的研究
Ultimate Compressive Strength Study on Gusset Plate Connections to Slotted Tubes and Full-scale Experiment Research;
管板节点受压极限承载力分析及足尺试验研究
Research of Ultimate Compressive Bearing Capacity of Circular Tubular Y-Joints Reinforced with Doubler Plate;
垫板加强Y型圆钢管节点受压极限承载力研究