Non-uniform loading can reduce the collapse resistance of worn casings.
针对非均匀载荷下套管磨损后抗挤强度降低的问题,将磨损简化为套管的壁厚不均度和内壁不圆度几何缺陷。
API casing bulletin gives the formulas and calculations of casing collapsing strength under uniform loading,but the effect of non-uniform loading on casing collapsing strength has been hardly researched.
API套管规范确定了套管在均匀流体静压载荷作用下的抗挤强度计算方法 ,而非均匀载荷对套管抗挤强度的影响几乎没有进行研究或作出规定。
When analyzing the strength of casing in the high-temperature and high-pressure well, the effects of the creep of the casing as well as the non-uniform loading caused by the creep of wall rock are very important.
高温高压井强度分析设计时,围岩蠕变引起的非均匀载荷和套管的长期蠕变等因素对结果的影响很大。
Computation of casing strength under non-uniform load;
非均匀载荷下套管强度的计算
Based on the model of the non-uniform load, the paper researched the collapsing strength of the slotted casing with N80 steel and established 3D finite element model by adopting the finite element method.
研究表明,管体抗非均匀载荷的能力远远低于抗均匀载荷的能力,非均匀载荷作用下不均匀系数是影响强度的关键因素。
The N80 perforated casing is studied based on the establishment of the non-uniform load model.
依建立的三维有限元模型及弹塑性理论为基础,借助有限元软件,对射孔管体抗非均匀载荷能力进行了数值模拟。
The situation of casing collapse is serious in creep formations,and the mainly reason is the nonuniform loading distributed.
蠕变地层套管损坏的主要原因是套管外壁受到蠕变地层的非均匀载荷作用,套管本体抵抗非均匀载荷能力远远低于套管抗挤强度而产生缩径变形。
In this thesis, it will be researched against the strength and stability of the cylindrical shell under nonuniform loading and the transition structure models of the cylindrical shell, using the finite element analysis software ANSYS.
本论文主要针对圆柱壳在各种非均匀载荷作用下，以及不同直径圆柱壳过渡段结构型式，进行了应力强度和稳定性分析与研究，并结合通用有限元软件ANSYS对圆柱壳结构进行建模计算和对比分析。
The Uniform Load Type Water Wall Supporting Structures for Supercritical Once-through Boilers
超临界直流锅炉均匀荷载水冷壁支撑结构特性研究
irregularly distributed load
非匀布荷载;不规则分布荷载;不均匀分布荷载;不平匀分布荷重
Bending and Torsion problems of Non-homogeous Elastic Circular Ring with Variable Cross-Section under
载荷垂直于非均匀变截面弹性园环的弯扭问题
Study on the Strength for the Cylindrical Shell under the Nonuniform Loading;
圆柱壳结构在非均匀载荷作用下的强度分析
Study on Shape of Membrane Mirror Applied by Uniform Load
均匀载荷作用下膜基反射镜面形分析和研究
Research on vibro-acoustic performance of sonar dome under uniform surface load
均匀面载荷激励下潜艇透声窗振声性能研究
ANALYSIS OF CRACKS UNDER NON-UNIFORMLY APPLIED LOADINGS IN MAGNETOELECTROELASTIC MEDIA
电磁固体非均匀载荷作用下的裂纹分析
ANALYSIS OF AXIALLY LOADED SINGLE PILE AND PILE GROUP IN NON-HOMOGENEOUS SOIL
轴向荷载作用下非均匀地基中单桩及群桩分析
RESEARCH ON STRESS OF SLOTTED PIPE UNDER UNIFORM DISTRIBUTION LOADING
均匀载荷作用下割缝筛管的应力分析研究
The simplest imposed conditions are those in which the loading is periodically and uniformly repeated.
最简单的加载情况是周期地、均匀而重复地施加的载荷。
The purpose of a foundation is to carry the load of a structure and spread it over a greater area, evenly and without undue settlement, to the ground beneath.
基础的作用是承受结构的荷载,并将其均匀地向更大更深的范围传递,避免不均匀的沉降。
The presented feedrate scheduling characterized by balancing the cutting-loads in die-cavity roughing will be more significant in high speed machining.
该策略对切削力载荷要求尽量均匀的模具型腔高速加工更有意义。
A homogeneous structure of beam is in continuation and bears additional load; and the displacement of the beam is converted into periodic function.
将均匀梁结构延拓并加上附加载荷 ,使梁的位移化为周期函数 .
Study on Stress and Displacement Fields in Semi-Infinite Foundations under Different Loads;
不同类型荷载作用下半无限域非均匀地基的应力位移场
Experiment and Numerical Research of Hydrodynamic Force Acting on a Cone-Shaped Rectangular Cylinder in the Even Flow;
四边形锥柱在均匀流中流体载荷的实验与数值计算研究
Nonlinear Bending Analysis of Simply Supported Plates with Immovable Edges by Using the Perturbation Differential Quadrature Method;
承受均匀载荷的固定夹紧板的非线性弯曲的摄动DQ解
Analysis of Load Strain of Cement Concrete Pavement on Uneven Supporting Foundation
地基不均匀支承水泥混凝土路面板的荷载应力分析
Impact Factor Analysis of Spring-Supported Beam Traversed By Uniformly Distributed Load
匀速移动均布荷载作用下弹性支座简支梁冲击系数研究
