elastic adj. 1.有彈力[彈性]的。 2.伸縮自如的,靈活的。 3.機變的,輕快的。 an elastic body 彈性體。 elastic braces 松緊吊褲帶。 elastic force 彈力。 an elastic principle 靈活性的原則。 elastic ribbon 松緊帶。 an elastic temperament 開朗的性格。 n. 橡皮線,松緊帶,橡皮圈。 adv. -ally
Elastic buckling behavior of steel plate shear wall with cross or diagonal stiffeners 加勁鋼板剪力墻彈性抗剪屈曲性能研究
The stability of arch dam against elastic buckling has always been ignored 摘要拱壩的抗屈曲穩定性一直是未被重視的問題。
Effect of torque on the elastic buckling of 3d spatial thin rods with circular cross - sections 扭矩對三維空間圓截面曲桿彈性屈曲的影響
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,和由于殘余壓應力在未變形區產生的彈性變形。
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 在受壓板件中設置中間加勁肋可以顯著提高板件的彈性屈曲應力和極限承載能力,但是也使得板件的屈曲行為變得復雜。
Based on the arch - cantilever method , the stability of arch ring and cantilever beam against elastic buckling in arch dams are analyzed with the theory of elastic stability , and the conclusion is drawn that the stability of arch dam against elastic buckling is governed by the top arch ring 按照拱梁分載法的思想,用彈性穩定理論分別對拱壩的拱圈和懸臂梁的抗屈曲穩定性進行了分析,得出拱壩的抗屈曲穩定性由壩頂拱圈控制的結論。
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 冷彎方管作為軸心壓桿廣泛用于房屋結構、桁架、網架、塔架以及海洋平臺等結構中,本文主要研究軸心受壓冷彎方管的承載力性能,內容主要包括以下一些: ( 1 )對冷彎方管的彈性臨界應力進行有限元分析,并與經典理論結果進行對比,以驗證有限元程序的適應性; ( 2 )闡述冷彎方管采用有限元彈塑性非線性分析理論及應用ansys軟件的非線性分析方法; ( 3 )采用彈塑性模型,考慮幾何非線性及材料非線性,對不同寬厚比的軸心受壓冷彎方管柱的冷彎效應進行有限元非線性分析研究; ( 4 )考慮冷彎效應對屈服應力的影響,對不同寬厚比的軸心受壓冷彎方管短柱在不同初始變形下的承載力性能進行有限元非線性研究; ( 5 )考慮冷彎效應、幾何初始變形,對不同長細比和不同寬厚比的軸心受壓冷彎方管長柱的承載力性能進行有限元非線性研究,并與試驗結果以及我國現行規范gb50018 ? 2002計算結果進行對比分析。
( 2 ) the finite element program ansys is used to analyze the elastic buckling of rectangular tube , consequently the buckling load pcr and the simulating formula for the restraint coefficient & , is obtained . the results derived from the program are compared with the british standard and china standard ( 2 )采用有限元程序ansys對矩形鋼管板組進行了彈性屈曲分析,得出其臨界荷載p _ ( cr ) ,彈性屈曲模態與解析法所作假設相符,并擬合出均勻受壓下的矩形鋼管約束系數k _ 1的公式,并與英國規范和我國規范進行比較。
Several numerical results of elastic restrainted thin - walled members involving bending , torsional , and flexural - torsional elastic buckling failure modes are presented to demonstrate the accuracy , efficiency , and versatility of the method . comparisons with published analjtical and semi - anaiftical solutions are made using some of the obtained results 對彈性約束下軸心受壓構件、受彎構件和壓彎構件的算例表明,用本文推導的單元剛度矩陣計算約束條件下薄壁構件的臨界荷載準確、有效,具有通用性。