elastic residual stresses 中文意思是什麼
elastic residual stresses
解釋
彈性殘余應力-
In the analysis of the elastic local buckling strength of the plates in stiffened plates, an analytical expression is derived for calculating the local strength of a stiffened plate subjected to biaxial thrust considering plate / stiffener interaction and welding residual stresses and initial deflection
由於船體中的加筋板結構的受力情況是十分復雜的，除了主要受到由於總縱彎曲而產生的縱向壓力以外，還會受到橫向的壓力以及垂向壓力。 -
There are three types of wrinkle which frequently occur in the sheet metal forming process : flange wrinkling, wall wrinkling, and elastic buckling of the undeformed area owing to residual elastic compressive stresses
在金屬板料成型加工中通常存在三種類型的起皺現象：法蘭起皺，側壁起皺，和由於殘余壓應力在未變形區產生的彈性變形。 -
The effect of different sizes of sections, modes and values of residual stresses are studied. through the analysis, the conclusion is arrived at that the universal slenderness ratio should be used to better correlate the stability of box section beams with the member length instead of the out - of - plane slenderness, and the stability coefficient is taken to be 1. 0 for practical used box girder. then, the elastic critical loads of box section beam - columns are obtained based on the gjelsvik theory, and the relationship between axis force p and moment m is given
最後，運用ansys通用有限元程序的beam189單元，引入初彎曲和殘余應力的影響，用考慮幾何和材料雙重非線性的有限元求解格式求得箱形柱在不同軸力和彎矩比例作用下的彈塑性極限承載力，通過對十幾個不同截面尺寸構件在不同長細比下的承載力計算，發現在軸力p遠大於彎矩m時，構件將是平面外失穩控制，而當軸力p遠小於彎矩m時，構件則以平面內失穩為主。 -
Because of its simplicity of the critical moment and the good precision, the solutions based on gjelsvik theory are used in the elastic - plastic phase. the ultimate load carrying capacity of box section beams are calculated considering the effect of plasticity and residual stresses
其次，運用基於gielsvik約束扭轉理論推導了箱形偏壓桿的彈性彎扭屈曲荷載，同時給出了壓彎桿在彈性彎扭屈曲的軸力和彎矩相關關系。 -
Finally, this paper calculates the residual stresses distribution of multilayered graded coating structures with the theoretical model built in the paper and the elastic model, and it discusses the influences of material ' s plasticity to the thermal stresses of the graded coating
最後，本文分別用在文中建立的理論模型和完全彈性模型對多層梯度塗層結構的殘余應力分佈進行了計算，討論了材料的塑性行為對梯度塗層熱應力的影響。 -
Finally, the technic route for the research of milling distortion is proposed. in chapter 4, the effect of tool path and clamping schemes on residual stresses as well as machining distortion are analyzed by using three - dimensional elastic - plastic fem ( finite element method ). the distortion variation tendency under four typical tool paths, the pressing - plate clamping and stretched fixation is obtained respectively
第四章基於上述理論基礎，利用三維彈塑性有限元技術分析了走刀路徑和裝夾方案對銑削加工殘余應力分佈和變形的影響，得到了四種典型的走刀路徑以及壓板式裝夾和拉伸裝夾對加工變形的影響趨勢。
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