約束壁 的英文怎麼說
中文拼音 [yāoshùbì]
約束壁
英文
constraining wall-
Abstract : the paper introduces a kind of method of connecting optimal design of the hydraulic manifolds and establishes the mathematical model based on the constraints of fluxing area and distance between the connecting tubes in the manifolds. a kind of algorithm is provided at the end of it
文摘:介紹了一種液壓集成塊孔道優化設計方案，建立了以通流面積和壁厚為約束條件的數學模型，並給出了相應的演算法。Taking thickness of web members and main chords as design variables and the lightest weight of crane booms as objective junction, considering constraints of rigidity and stability etc., this paper establishes the math model of optimal design
摘要選取起重機臂架的腹桿壁厚和各節臂架的主弦桿壁厚為設計變量，以最小重量為優化目標，考慮剛度和穩定性等約束條件，建立優化數學模型。When analyzing skew support continuous curved box girder bridge, curved grid girder analyzing method considering warping effect is applied. matrix displacement method is applied in analyzing skew support continuous curved thin - walled box girder bridge with restrained bearing. in order to convert original rigidity equations to structural rigidi ty equations that can be solved, bearing nodal displacement matrix can be introduced, then unknown quantities at the edge of beams can be consistent with the restrained directions of skew bearings, unit rigidity matrix and unit nodal forces can be gained. structural rigidity matrix can be composed according to matrix displacement method, so nodal displacements and inner forces on the end of the rod that are unknown can be gained calculating equations of inner forces on any cross - section can be solved
分析斜支承連續曲線箱梁橋時，採用考慮翹曲作用的曲線格子梁分析方法，應用矩陣位移法對具有約束支承形式的斜支承連續曲線薄壁箱梁橋進行分析，考慮到支座的約束條件並不與梁端彎曲角位移和扭轉角位移的方向一致，引入支座節點坐標矩陣，使得梁端的位移未知量與斜支座約束方向一致，來計算單元剛度矩陣和單元節點力，然後按照矩陣位移法組集總剛並建立結構剛度方程，根據結構剛度方程即可求解未知的節點位移及桿端力，推導出任意截面處的內力計算公式。Based on energy theory, wrinkling criterion in deep drawing for axisymmetric parts is derived to take geometry parameters, friction coefficient, material properties, and the law of critical blank - holder force ( bhf ) of side wall wrinkling in the constraint condition of initial wrinkling into account
從能量平衡原理出發，通過對屈服準則的線性化處理，推導了考慮幾何參數、摩擦系數和材料性能參數、板材皺曲時約束條件的軸對稱拉深成形過程中側壁起皺臨界壓邊力的變化規律，給出了皺曲判據。According to the classical theory of thin - walled members this paper presents the derivation of energy equation under restrainted conditions, and a elastic restrainted stiffness matrix of thin - walled members is derived. continuous restrants and discrete restraints are considered in the energy equation. euler - equation of the derived energy equation is testified
根據薄壁構件彎曲與扭轉理論，對彈性約束條件下薄壁構件的能量方程進行了推導，再根據總勢能最小值原理推導出彈性約束條件下薄壁構件的單元剛度矩陣。能量方程中考慮的約束情況有連續的線彈性約束和離散的彈性點約束。As a result, it is suggested that distortion should be taken into account to calculate the thin - walled bar with restrained torsion
因此建議，對薄壁桿件作約束扭轉分析時一定要考慮截面畸變的影響。Experimental results indicate that ( 1 ) the bearing strengths of the specimens decrease with the increase in the load eccentricity ratio while they increase with the increase in the steel ratio, and ( 2 ) binding bars help to improve the ultimate strength and the ductility of the eccentric - loaded specimens
結果表明，方形鋼管混凝土短柱試件的承載力隨著偏心率的增大而減小，隨著鋼管壁厚度（含鋼率）的增大而增大，設置約束拉桿有助於該試件極限承載力和延性的提高。In this paper, i have analyzed the distortion of continuous rigid frame bridge at the condition of temperature uniform change by displacement method and finite element method computer aided design program - sap91. it included : the distortion and inner force condition at the bottom of single pier when it is consolidated, the distortion and inner force condition of thin double piers - rigid frame bridge ; the distortion and inner force condition of thin double piers - rigid frame bridge when the consolidation is elastic consolidation and confinement adopted different rigidity factor ; and the inner force condition of thin double piers - rigid frame bridge when the distance of piers is different
本文利用位移法和結構有限元電算程序sap91 ，對連續剛構體系橋梁在受到均勻溫變情況下：墩底固接單柱墩、雙薄壁墩連續剛構橋；墩底彈性固接時的雙薄壁墩連續剛構橋採用不同轉動約束剛度系數情況；以及雙薄壁墩墩間距不同的連續剛構橋梁的受力情況進行了分析和比較。On the premise of satisfying all constraint conditions stipulated in the codes with the pipe thickness spacing, height and thickness of stiffener rings as variables and the total steel quantity per meter of pipe as objective function, the program is developed for structural stress computation and comparison of total steel quantity used so as to select the alternative with smallest total steel quantity per meter of pipe
該程序在滿足規范規定的各種約束條件下，以管壁厚度、加勁環間距、高度和厚度等作為變量，以每米鋼管的總用鋼量為目標函數，進行結構應力計算和工程量比較，從中選出用鋼量相對最小的設計方案。An optimization process of a thin - walled structure was performed by the response surface method, which took the maximum absorption energy from an impacting process as objective, the properties of the thin - walled structure as variables, and the impacting axial force as constraint
摘要運用響應面法，以碰撞吸收能量最大為目標，薄壁結構幾何尺寸為設計變量，碰撞作用力為約束，對薄壁結構進行結構優化。Apart from the institutional constraint provided for by the overall wto package arrangement, it is attributable, to a large extent, to the important achievement in the negotiation of agricultural products as well as the mutual agreements of member states on the application limitation of tbt agreement ( agreement on technical barriers to trade )
除wto總體上「一攬子」安排所提供的組織化制度約束之外，在很大程度上還要歸因於農產品談判所取得的重大成果，以及各成員在《技術性貿易壁壘協定》 （ 《 tbt協定》 ）適用范圍的局限性上所達成的共識。In this part, the paper first explores the principles of the agreement on technical barriers to trade, and then explores that the tbt agreement has some stipulations in term of preparation, adoption and application of technical regutions and standards, the procedures for assessment of conformity, information disclosure and exchage, and special and differential treatment of developing country members. the paper also makes an assessment on the tbt agreement. part iv : conclusion
這一部分文章首先闡述了wto技術性貿易壁壘協議的基本原則，然後闡述了wto技術性貿易壁壘協議通過在技術法規、標準的制定、采納和實施、合格評定程序的相互承認、信息的公開與交流、對發展中國家的區別特遇、組織保證和制度約束等方面作出相應的規定，使各國之間的技術性貿易壁壘得以相互協調，從而消除彼此之間不必要的貿易障礙Using fem, researches on the critical loads of elastic restraints thin - walled members are conducted
本文用有限單元法對彈性約束條件下薄壁構件的臨界荷載進行了研究。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。分享友人