buckling stress meaning in English
挫曲应力
屈曲应力
失稳应力
压曲应力
轴向弯曲应力
皱折应力
纵弯曲应力
纵向弯曲应力
Examples
- The effects for buckling stress of the changes of the stiffener rigidity , shape , dimension , as well as its location are analyzed in this thesis
论文对帽形中间加劲肋的刚度、加劲肋的形状、尺寸和位置变化对中间加劲板件屈曲应力的影响作了分析研究。 - The use of intermediate stiffeners in the compression plate may significantly increase elastic buckling stress and ultimate capacity of the plate . however , the behavior of the plate with intermediate stiffeners would be complicated
在受压板件中设置中间加劲肋可以显著提高板件的弹性屈曲应力和极限承载能力，但是也使得板件的屈曲行为变得复杂。 - The discrete stiffener solution and orthotropic plate solution are used for analyzing the buckling behavior of intermediately stiffened plates theoretically in this paper . thus , closed - form solution of critical buckling stress and required adequate stiffening rigidity of the stiffener is obtained
本文分别用分离加劲肋法和各向异性板法对纵向中间加劲板件的屈曲性能进行了理论分析，得到了屈曲应力和理论充分加劲刚度解析表达式。 - The cold - formed square hollow section columns are widely used in various structures such as building structure , trusses , space frames and offshore plates etc . this paper is mainly doing the research on load carrying capacity of the cold - formed square hollow section columns under axial load , the paper includes the following main contents : ( 1 ) an elastic buckling stress for cold - formed square hollow section is presented by finite element analysis , and is compared with the result given by classical elastic buckling theory ; ( 2 ) the elastic - plastic non - linear behavior of the cold - formed square hollow section columns analyzed by ansys is presented ; ( 3 ) by using material model , and geometry nonlinear analysis , the cold - formed effect to stub columns of cold - formed square hollow section is studied ; ( 4 ) by using an material model , the geometry nonlinear analysis , the influence of initial geometrical imperfection to stub columns of cold - formed square hollow section is also analyzed ; ( 5 ) the load carrying capacity of the cold - formed square hollow section columns , which are including the cold - formed effect and influence of initial geometrical imperfection is analyzed by non - linear finite element , and the theoretical analysis results are compared with the results of experimental study and the results calculated by specification gb50018 - 2002
冷弯方管作为轴心压杆广泛用于房屋结构、桁架、网架、塔架以及海洋平台等结构中，本文主要研究轴心受压冷弯方管的承载力性能，内容主要包括以下一些： ( 1 )对冷弯方管的弹性临界应力进行有限元分析，并与经典理论结果进行对比，以验证有限元程序的适应性； ( 2 )阐述冷弯方管采用有限元弹塑性非线性分析理论及应用ansys软件的非线性分析方法； ( 3 )采用弹塑性模型，考虑几何非线性及材料非线性，对不同宽厚比的轴心受压冷弯方管柱的冷弯效应进行有限元非线性分析研究； ( 4 )考虑冷弯效应对屈服应力的影响，对不同宽厚比的轴心受压冷弯方管短柱在不同初始变形下的承载力性能进行有限元非线性研究； ( 5 )考虑冷弯效应、几何初始变形，对不同长细比和不同宽厚比的轴心受压冷弯方管长柱的承载力性能进行有限元非线性研究，并与试验结果以及我国现行规范gb50018 ? 2002计算结果进行对比分析。 - In the formula , our experience in structural strength design and the experimental results are considered . and such factors are also considered as differences in materials of the skin and the reinforcer , effects of bending , torsion , stretching and offcenter of the reinforcer . furthermore , through post - buckling stress analysis of the skin , it is shown that even low stress level will result in buckling of the skin , but the skin still has loading capacity
在总结过去结构强度设计和试验分析的基础上,应用扁壳理论,在广义力与广义应变关系中考虑了蒙皮与加筋不同材料以及加筋的弯曲、扭转、伸缩和偏心等的影响,推导出适合于工程应用的加筋壳结构轴压屈曲临界载荷的计算方法;并通过对薄壁结构蒙皮后屈曲应力分析,说明蒙皮在很低的应力水平时就出现失稳现象,但失稳后的蒙皮仍具有一定的承载能力。