鉸節點 的英文怎麼說
中文拼音 [jiǎojiédiǎn]
鉸節點
英文
hingedjoint-
In this paper, ackerman steering linkage of double - wishbone suspension is taken as the study object, choosing the splitting joint and steering lever joint to carry out the design of optimization the mathematics models are established based on the multi - body system dynamics, applying its analysis method of kinematics to study the mechanism kinetic principles owing to more spatial factors considered, and calling off many hypotheses affecting the accuracy, compared with the traditional methods, the models are better to reflect the realistic motion principles, the results are more exact and applicable moreover, the force analysis is applied to the conduct mechanism the analysis method of dynamics in the multi - body dynamics is applied to study the forces applied on every component, working out the constraint reaction force of up and down ball joints, and developing the current computation program in the end, produce the upper wishbone geometry model in the ansys software package, meshing and carrying out the fea, testifying if the intensity of the wishbone meet with the requirements
本文以雙橫臂獨立懸架的轉向傳動機構作為研究對象,選擇對斷開點和節臂球銷的位置進行優化設計,在此基礎上建立了基於多體系統動力學的導向機構和轉向傳動機構的數學模型,運用該學科的運動學分析方法研究機構的運動規律,編制了通用優化設計軟體。由於考慮了更多的空間因素,取消許多影響準確性的假設,因此建立的數學模型與傳統的方法相比更能反映實際運動規律,得到的優化結果也更加精確實用。此外,本文還針對導向機構進行受力分析,在建立該機構的空間動力學模型后,運用多體動力學中的動力學分析方法研究各個桿件的受力,計算出上下球鉸的約束反力,並開發出了相應的通用計算程序。From the analysis, some suggestion about joint rigidity design is put forward : 1. joint initial rigidity can be enhanced within the limited range when to increase end - plate thickness ; 2. the rigidity and ultimate moment can be enhanced obviously when to adopt the beam with inclined section or to add axilla at the connections between beam and column ; 3. withm the permissive construction condition, exteriorly extended end - plate inclinedly placed is suggested to be applied firstly ; 4. when the rate of joint rigidity to beam rigidity, that is called, is less than 0. 1, the joints can be regarded as zero - rigidity joints ; on the other hand, if is more than 26, it is rigid connection joints
採用斜截面梁並在樑柱交接處局部加腋能明顯提高節點剛度和梁的抗彎能力; 3在允許的施工條件下,應優先採用外伸式端板斜放節點,有利於提高節點剛度,進而提高節點的抗彎能力; 4節點剛度與其連接構件的剛度比值0 . 1時,可按鉸接節點設計; 26時,可按剛接節點設計。Pseudo - static force testing of 1 : 2 scale models of a steel frame with dog - bone connections is first carried out in china in order to obtain elastic - plastic behavior of dog - bone connections steel frames under cyclic loading as well as to analyze collapse characteristic after structural ultimate strength has lost. the influence of dog - bone connection on the coming order of plastic hinges and failure characteristic of steel frame, and the influence of dog - bone ' s shape and position on the behavior of structure is obtained
通過試驗考察了狗骨式連接平面鋼框架結構在循環荷載作用下的彈塑性性能;了解狗骨式連接對結構塑性鉸出現的順序以及結構破壞形態的影響;了解節點處與狗骨處應力發展狀況,探討狗骨削弱的形狀和削弱位置對節點性能的影響。The node that articu - lates designs beam column, can bear larger step in curved rules, the curved distance of sus - pension column is little, suits the building on soft land base
樑柱鉸接的節點設計,能承受更大的跨中彎矩,柱腳彎距小,適合於軟土地基上的建築物。At the same time, plastic hinge, rigid zone, negative stiffness, load relaxing and so on are taken into account
該方法一併考慮了塑性鉸、節點剛域、負剛度及單元卸荷等問題。To completely avoid producing elements jointed at their corner nodes and checkerboard patterns, which frequently occur when the topology optimization of plane continuum is studied, the theory of topology analysis of plane continuum in topology optimization process and the simple algorithm for programming are studied. according to algebraic topology theory, the boundary of elements and plane continuum are operated as a one - dimensional complex. by use of the adjacency vector in graph theory, the structural topology is described and the topological operation is achieved on a computer. by above, the structural topological feature in the evolutionary process is gained. these methods are effcient and reliable. under topology constraints, according to the results of stress analysis, by deleting elements and moving nodes at the boundary, more satisfactory results can be gained by using a few numbers of elements and iterations. to demonstrate the efficiency of these methods, solutions including some well - known classical problems are presented
避免目前平面連續體結構拓撲優化過程中經常出現的單元鉸接以及「棋盤格」等現象,研究了連續體結構拓撲優化過程的拓撲分析方法,以及在計算機上實現的簡便演算法.根據代數拓撲理論,單元及連續體的邊界作為1 -復形進行運算.利用圖論中的鄰接向量概念,在計算機上實現了結構的拓撲描述及拓撲運算,得到了結構在拓撲演化過程中的拓撲特性,方法簡單、可靠.在一定的拓撲約束下,根據應力分析結果,採用刪除單元、單元退化、移動節點等方法,可以用較少單元得到更為滿意的結果,提高計算效率.為演示方法的有效性,給出幾個包括常見經典問題的解答However, as is evident from experimental observations, all beam - to - column connections used in current practice possess some stiffness that falls between the two extreme cases of fully rigid and ideally pinned
實驗結果已經證明,在荷載作用下,沒有一種連接是完全剛接或理想鉸接的。因為剛性連接具有一定的柔度,而鉸接節點具有一定的剛度。Taking into consideration, the hardening of material nonlinear, generic nonlinear, unprotected second beams as well as pin for beams and column, this paper makes finite element analysis of thermo - mechanical couple behavior for steel structure resistance fire
摘要對鋼結構火災下的熱機耦合響應進行了非線性有限元分析,考慮了幾何非線性和材料非線性,對次梁採用了不做防火保護以及梁和柱的節點用鉸接的方法來進行計算。Because of cold formed thin - walled light steel structure ' s special construction, if draws the mechanics model according to the rigid connection frame, that will be over - evaluated the bearing capacity of the structure ; and if draws mechanics model according to the pinned connection frame, when the foot also adopts this kind of structural form according to the frame connections, that will form organization, and the calculation will be unable to go on
由於冷彎薄壁輕鋼龍骨結構體系的特殊構造,如果按節點剛接的框架提取力學模型,將高估結構的承載能力;而如果按節點鉸接的排架提取力學模型,當柱腳也採用此種構造形式時,又會形成機構,使計算無法進行。Connection in steel structures is divided into three types by rotating rigid : rigid connection, semi - rigid connection and ideal pin connection
高層鋼結構框架中梁與柱連接節點,按其轉動約束剛度可分為三類:剛性節點,半剛性節點和鉸接節點。The two kinds of joint connection half - rigidity characteristic about gabled frames are discussed. the criterion among rigid connection, zero rigidity connection, half rigidity connection is determined ; the joint ' s moment and rotation angle curve is analyzed ; the calculation method about joint initial rigidity is brought forward ; the ultimate moment ' s calculation formula is deduced ; the result calculated by the formulas is compared to one calculated by the norm ' s formulas
探討了門式剛架兩種端板節點連接的半剛性特性,確定了節點剛接、鉸接和半剛接劃分的標準;分析了節點受力時的彎矩轉角曲線關系;提出了節點的初始剛度的計算方法;提出了節點極限彎矩的計算公式,並與規范關于節點抗彎承載力計算的結果進行了比較。Moreover, the detailed calculation and contrastive analysis are carried out by using the software ansys. theoretical calculation and testing results show that adopting the connection construction with a hole on the web can alleviate the stress state greatly and transform the failure mode of the connection from brittle fracture to local buckling damage on beam, reduces the possibility of brittle fracture by welding and improve the ductility performance of connection to a great extent
結果表明,採用腹板開孔的節點形式,可以使梁的塑性鉸位置由梁根部向中部偏移,達到了有效控制塑性鉸位置的目的;同時,採用這種節點構造可以改變節點附近的梁截面應力分佈狀態,降低了節點脆性破壞的可能性,使節點的破壞模式從脆性破壞轉變為梁的局部屈曲破壞,很大程度上改善了結構的延性。分享友人