等效結點力 的英文怎麼說

中文拼音 [děngxiàojiēdiǎn]
等效結點力 英文
equivalent joint force
  • : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
  • : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
  • : 結動詞(長出果實或種子) bear (fruit); form (seed)
  • : Ⅰ名詞1 (液體的小滴) drop (of liquid) 2 (細小的痕跡) spot; dot; speck 3 (漢字的筆畫「、」)...
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  1. They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem

    本研究以重慶市的南川金佛山(自然保護區) 、黔江武陵山(國家重退耕還林示範縣,森林覆蓋率50以上)和北碚中梁山(遭人為破壞嚴重)典型巖溶區為對象,選擇了幾種重要的利用方式,包括林地、果園、耕地、棄耕地和灌草坡,採用野外巖溶生態調查和室內試驗測量分析相合的方法,以不同土地利用方式巖溶土壤肥為重,對不同土地利用方式土壤肥特徵進行量化分析,找出巖溶土壤肥差異的主要方面及其根本原因,論文主要從土壤剖面物理退化指標(有土層厚度、有機質層厚度、質地、團聚體、水分含量) ,化學肥退化指標(有機質、全n 、全p 、全k 、堿解n 、速p和速k) ,樣地土壤微生物指標(細菌、真菌、放線菌數量及總量)以及樣地土壤種子庫植物群落多樣性4個方面對重慶典型巖溶區的土壤肥特徵進行了較為詳細的分析研究,為巖溶地區士壤資源的合理利用及構的調控管理提供依據。
  2. Fist of all, on the basis of the research of agone boffins, this author investigates the interaction mechanism of bolts and rock, and introduces the elastic ? lastic analytical resolution which is consist of the liner structure, the equivalent reinforced wall rock and the original wall rock in the simple loading from the equivalent well - proportioned view ; this solution is very important meaning for the engineering design. on the basis of coulomb friction model, the author introduces the finite element equation of the contact problem in order to provide the academic foundation for the application of msc. marc. finally, combining the engineering practice of the non - linear analysis of shield tunnel through yellow river of the south - north water transfer and using the model of friction, the author researched the evolution law of stress and displacement field in the structure of grouted rock bolts, and analyzed the effect to the stress and deformation of surrounding rock mass due to anchor supports

    首先,在前人研究成果的基礎上,對錨桿與圍巖的相互作用機理進行研究,利用全長錨固錨桿的中性理論,從均化的角度來考慮錨桿對圍巖的加固作用,並推導了在簡單荷載作用下,含有襯砌、加固后的圍巖、原始圍巖三者的彈塑性解析解,對工程設計有著重要的參考意義;在數值模擬方面,以考慮錨固圍巖滿足規則化庫侖摩擦模型為基礎,利用虛功原理推導了接觸問題的有限元方程的計算格式,為開發運用大型商用有限元軟體msc . marc提供了理論根據,也形成了本文的理論基礎:最後,論文以南水北調東線穿黃隧洞穩定性分析項目為工程實例,利用本文所述的接觸問題的摩擦模型理論,對錨桿支護構的應場、位移場的變化規律進行了研究,分析了加錨支護對隧洞圍巖應、變形的影響。
  3. When reinforced concrete upper structure - piled raft - subsoil system is studied, every part of this system is looked upon homogeneous discrete space. accofding to static equivalent principle, equivalent node loads are calculated, and load embattle is integrated with element equivalent node force and directly bearing load

    在分析時,本文將鋼筋混凝土上部構和地基、基礎的研究問題視為各向同性空間問題,且按靜原則計算荷載,荷載列陣由單元等效結點力和直接作用於單元荷載集成而得。
  4. Strip - shape underground structures such as the tunnels and tubes for various uses can be treated as a beam on elastic foundation under earthquake condition , although there exists soil - structure interaction , the foundation soil vibration is dominant in other words , analysis of earthquake response of the soil is essential to this end , simplified models , ( i. e equivalent mass system models based on some equivalence criteria ) are proposed , instead of a general 3 - d continuum model in this study , equivalence criteria are proposed and the simplified models are compared the single - mass - string model is proved to be valid and therefore applied to the analysis of earthquake response of the pearl river immersed tunnel

    條裝地下構如隧道、各種埋設管道一般可看作彈性地基梁進行靜及動分析在地震條件下,構與土相互作用,但土的振動成為主要因素為分析土的地震響應需把基土這一三維連續體作簡化處理,簡化成為多質模型本文著重探討這種簡化模型的建立方法,推導方程,通過幾種簡化體系的分析比較,論證單質串體系的合理性,並將其應用到廣州黃沙芳村珠江水下隧道工程的地震響應分析,為抗震設計提供依據
  5. On the basis of modern blasting theories, the moving process of explosive stress field of multi - row and simultaneity is analyzed and the characteristics of stress field inspired by equivalent effect cell of globosity charge in cylindrical charge structure are considered. thus energy distributing equation of detonator explosion is established and the explosive energy utilizing rate factors are known. so the moving process model of the hole filling is constructed and the equation of calculating reasonable filling length is produced

    本文在現代爆破理論的基礎上,分析了多排同段爆炸應場的作用過程以及柱狀裝藥構中單元球狀藥包所激發的應場特,建立了炸藥爆炸能量分佈方程,明確了影響爆炸能量利用率的因素,構建了炮孔充填物運動過程模型,得出計算合理充填長度方程。
  6. The characteristics of high pressure gyratory sprayed pumping discusses is presented, which is applicable in wide range of scope and ground layers, convenient for construction, long durability, wide source of materials. mechanism for subgrade strengthening : complex foundation of cement solid and earth between piles was formed by pulsant load of flowing pressure and spraying flow, water wallop, cavitation phenomenon, water wedge effect, extrusion force and air flow agitation etc so as to enhance foundation bearing force and reduce settlement and deformation

    高壓旋噴注漿技術具有適用范圍、適用地層較廣,施工方便,耐久性好,材料廣闊;其加固地基機理主要是通過流動壓、噴射流的脈動負荷、水塊的沖擊、空穴現象、水楔應、擠壓、氣流攪動應形成水泥固體與樁間土的復合地基,從而提高地基承載,減少沉降變形。
  7. Correct measures are essential to carry out the peoples equality and development policy and pertinent religion policy in the multi - nation - state ; to form a correct concept of people and to publicize correct ethos by combining nationalism with patriotism ; to prevent and expose the western countries " factionalism on the peoples issues to the multi - nation - state ; to set down the active and effective measures aimed at the terrorist character of the peoples separatist forces. due to the pervading existence of the peoples separatist forces in the world, different countries need to reach the common conclusion to strike the peoples separatist forces ; to cut the capital resources of the peoples separatist forces and terrorist activities, to root out the basement of them, with the lead of un, strike the international support to them ; besides, different countries should strengthen nation security protection, form a new concept of national security, get international and organizing cooperation and get rid of every form of hegemony and power politics

    在民族國家內部應正確實施民族平、各民族共同發展的民族政策及相關的宗教政策;樹立正確的民族觀,把民族主義與愛國主義相合,進行正確的民族主義思想理論宣傳;防止和揭露西方國家對其他多民族國家實行的民族分裂政策;針對民族分離主義恐怖主義活動的特,制定出積極、有的防範措施。由於民族分離主義勢在世界范圍內具有普遍性,因此,各國應求同存異,尋求打擊民族分離主義及恐怖主義活動的國際共識;切斷民族分離主義分子進行民族分離活動和恐怖活動的資金來源,鏟除國際民族分離主義活動的基地,並充分發揮聯合國主導作用,打擊國際不法組織和個別國家對恐怖活動的支持;此外,各國還應共同加強國家安全工作,樹立新的國家安全觀,進行有組織的國際安全合作,戒除一切形式的霸權主義、強權政治。
  8. All the results can be utilized by engineers, during the designing and construction. the main conclusions are listed as follows : ( 1 ) based on the shortest line between weak interbed and limit of excavation and the location of point of intersection between limit of excavation, classification of weak interbed distribution is set up, and the distance of distribution is defined ; ( 2 ) according to the strength and deformation equivalent principle, influence zone of weak interbed is introduced, and a new method to simulating the weak interbed with thickness is built ; ( 3 ) some quantificational results on influence of weak interbed respectively at crown, right shoulder and right wall are summarized ; ( 4 ) some quantificational results on influence of weak interbed with the distance between weak interbed and limit of excavation 0. 2d, 0. 5d, l. od are gained ; ( 5 ) some quantificational results on influence of weak interbed in the rock mass with confining coefficient 0. 38, 1. 0, 1. 5, 2. 0, 3. 0 are summed up ; ( 6 ) some quantificational results are summarized on influence of the underground surrounding rock mass stability with weak interbed, in the representational surrounding rock mass graded ii, iii, iv ; ( 7 ) according to the studying results some advices are suggested on designing of underground engineering

    主要論如下: ( 1 )以軟弱夾層到開挖輪廓線最短距離和最短距離線與開挖輪廓線的交位置為指標對軟弱夾層的分佈部進行了分類,並確定了軟弱夾層分佈距離; ( 2 )根據強度和變形的原則,引入了軟弱夾層影響帶的概念,建立了模擬軟弱夾層厚度的一種新方法; ( 3 )總出了軟弱夾層分佈在拱頂、右拱肩、右邊墻時對地下洞室穩定性影響的量化指標; ( 4 )分析出了軟弱夾層距開挖輪廓線0 . 2d 、 0 . 5d 、 1 . 0d三種情況對地下洞室穩定性影響的量化指標; ( 5 )總出了在不同的側壓系數( 0 . 38 、 1 . 0 、 1 . 5 、 2 . 0 、 3 . 0 )地應場中軟弱夾層對穩定性影響的量化指標; ( 6 )得出了在、 、代表性圍巖中軟弱夾層對穩定性影響量化果; ( 7 )根據數值試驗成果提出了在有軟弱夾層圍巖中地下洞室設計原則的幾新內容。
  9. This paper deals with seismic response of a tunnel - soil system immersed tunnel , as an underground structure , must be compatible with the deformation of the surrounding soil thus the simplified model for a tunnel - soil system is established through two steps at the first step , an mdof system is developed for modeling the foundation soil to this end , dynamic behavior of the foundation soil is analyzed a typical section of the foundation soil simplified as a single mass - spring system on the basis of some equivalent criteria those mass are linked longitudinally by elastic springs to form an mdof system at the second step , the tunnel is treated as a beam on elastic foundation ; that is , the tunnel is connected with the soil massed to form a tunnel - soil system this model has been applied to the seismic analysis of huangsha fangcun immersed tunnel across the pearl river in guangzhou design recommendation is proposed on the basis of this analysis

    研究沉管隧道在地震條件下整體受的分析方法分兩步建立計算模型第一步通過分析場地地基土切片的動特性,根據原則將其化為單質體系,然後在縱向用彈簧連接而成為多質體系的地基土計算模型;第二步將隧道看作彈性地基梁與上述多質體系通過彈簧連而得到土隧道體系的計算模型本文合廣州黃沙芳村珠江水下隧道工程實例建立了具體的計算模型並對多種不同的約束條件,進行了縱向與橫向地震響應時程分析,為該隧道的抗震設計提供依據
  10. According the key factors we find, we bring forward a new conception : multilevel suppressor and design a new high performance suppressor whose ion - exchange membrane has bigger areas and using three electrodes including one cathode ( anode ) and two anodes ( cathode ), at the same time we fill the suppression compartment with one kind of ion exchange resin which has moderate exchange capacity. according to our experiment ' s results, we find the new type suppressor has quite high working current efficiency and suppressing capacity. in most cases, the suppressor ' s current efficiency is over 90 % ; the suppressor can transform the naoh ( concentration : 200mmol / l, flow rate : i. oml / min, conductance : over 10000 i - i s cm " ) to pure water ( conductance : 8. 9 it s cm in chapter 3, the high performance suppressor is applied in determination some trace - amounts ions in plating solution, sewage. in this chapter, we also have a research on the gradient ion chromatography

    第二章首先以xyz - 1型電化學抑制柱為例,分析了電化學抑制柱的抑制過程得出影響抑制容量的主要因素主要是抑制柱的電流率和離子交換膜的極限電流密度,因此採用中交換能的離子交換樹脂作為抑制室的填料以提高電流率,在通常情況下電流率可達到90以上;在選用同種離子交換膜的前提下,可通過增加離子交換膜的有面積達到提高極限電流的目的從而提高抑制柱的抑制容量,因此提出了多級抑制的概念並據此研製了共電極式高容量電化學抑制柱,該抑制柱最高可將流速為1 . 0ml / min ,濃度為200mmol / l電導率超過10000 s ? cm ~ ( - 1 )氫氧化鈉溶液抑制為電導率低至8 . 9 s ? cm ~ ( - 1 )的純水,並且具有穩定性高、分析果準確
  11. Much works has been distributed to the development of a vacuum system to simulate the outer space and a measurement system to test the arcjet performance. ignition experiments in various operational modes have been done with argon as propellant. macroscopical working parameters including thrust, mass flow rate, voltage, current, inlet pressure and vacuity are obtained by the test measurement system and actual performance parameters including specific impulse, thrust efficiency, ratio of thrust and power and ratio of power and mass flow are calculated

    以氬氣作為推進劑,在不同工況下進行火實驗,測量獲得了其工作推、電弧電壓和電流、推進劑流率和弧室壓宏觀參數,得到了不同實驗條件下其工作的實際比沖、推率、推/功率比以及比功率性能參數,分析了推進劑質量流率、電弧功率、電弧加熱發動機電弧室構尺寸因素對其性能的影響,為數值模擬研究和實際的低功率電弧加熱發動機優化設計及研製提供了實驗基礎。
  12. In view of the defects of the available bridge girder models , this paper proposes a new double - girder model adapted to composite bridge sections for the dynamic analysis of long - span cable - stayed bridges in the proposed model , the equivalence of the stiffness and mass systems of the bridge girders can be satisfied and the nodes and elements can be maintained in lower numbers the dynamic behavior of a cable - stayed bridge is analyzed by the new double - girder model and the conventional triple - girder model respectively the numerical results show the accuracy and efficiency of the proposed model

    針對大跨度斜拉橋動分析的現有橋面系模型的不足,提出了一種適用於疊合梁橋面系的新型雙主梁模型該模型既保證了橋面系剛度系統和質量系統的性,也使模型的節數和單元數維持在一個較少的水平,提高了計算率採用文中提出的雙主梁模型和傳統的三主梁模型對廣州鶴洞大橋進行了動特性分析,果顯示了本文模型的正確性和實用性
  13. Some methods are used to increase the parallel computation efficiency, such as the data cyclic distribution, overlapping of communication and computation, load - balancing in accordance with the computation ability of the dawn - 2000 node, communication mergence and so on

    採用循環帶狀劃分、計算與通信重疊、根據曙光2000機計算能分配任務量、合併通信技術有地提高了并行演算法率。
  14. The analysis in this paper have been verified by experiment firstly, the structure and mechanical characteristics of sliding - plug door are described in this paper. secondly, on the base of the study of the work condition and limited load, the dynamic load - time curve is created. and then the finite element model of sliding - plug door is built by using material equivalent

    本文首先總和探討了塞拉門的構特學特性;然後探討了塞拉門的極限工況,即列車交會壓波的作用形式,建立了簡化的作用於塞拉門上的動學載荷曲線;其次研究了復雜形狀復合材料層合板構的建模方法,採用物理方式減小了計算規模,建立了復合材料門板的有限元模型,並對各種設定的載荷形式進行了數值模擬。
  15. The dissertation discusses some theories of computation including the unit stiff matrix of the spatial member in the local coordinates , the coordinate transformation, the integration of the integer stiff matrix , the equivalent joint load , the introduction of the boundary condition , the computation of the unit internal force and support reaction , the stableness of the spatial stiff frame. the dissertation also discusses the methods of dealing with several unusual problems such as combined structure, temperature stress , elastic bearing

    本文論述了空間桿件局部坐標單元剛度矩陣、坐標轉換、整體剛度矩陣的集成、荷載、邊界條件的引入、單元內與支座反計算、空間剛架穩定的計算理論,以及組合構、溫度內、彈性支承幾個特殊問題的處理方法。
  16. ( 3 ) fem basic theory of foundation pit excavation stimulation is expounded, numerical model and method of construction simulation are determinated, which includes simplification of two - dimension problem and constitutive model of soil mass i. e. constitutive model of duncan - chang hyperbola model, numerical ways of initial situ stress, stimulation of equal nodal load of foundation pit excavation, nonlinear solutions of basic equations, fem disposing of inner supporting and pre - axial force etc. further fem code of stimulation of foundation pit excavation is compiled

    闡述了基坑開挖模擬的有限元基本理論,確定計算模型及施工模擬方法。包括二維問題的簡化、土體的本構模型,即鄧肯-張雙曲線本構模型、初始地應場的計算方法、基坑開挖荷載模擬、基本方程的非線性解法、內支撐及預加軸的有限元處理,並編制了模擬基坑開挖的有限元程序。
  17. 2. based on the muller - breslau principle, formulars of equivalent nodal loads for the curved - and straight - beam element while occuring unit relative constrained displacement have been deduced. the influence surface of the internal force for grillage has been analyzed by combining kinematic method with finite element static method, using the superposition principle applied to little deformation

    根據米勒-布雷斯勞原理,推導了曲梁、直梁截面發生單位強迫相對位移時的荷載計算公式,運用小變形的疊加原理,將梁格機動分析與梁格有限元靜分析相合建立了內影響面。
  18. Equivalent node load can well simulate the effect of prestressing force, and the lost of prestressing force can be well considered by dividing it into two sort. according as the field situation, three - dimensional model was set up to analyze the stress state during building pylons of wenhui bridge with degenerated solid elements

    對預應混凝土橋梁構空間分析中的預應應模擬問題進行了研究,提出了用荷載來模擬預應應、將預應損失分成兩類來考慮,解決了空間分析預應應的模擬問題。
  19. The research is carried on the drop of bending rigidness if bolted joint loose and the equivalent reduced mechanical model is established. the comparisons beween the finite element model and the reduced mechanical demonstrate that the reduced mechanical model is right

    本文還對螺栓松動對桿件節抗彎剛度折減進行了研究,建立了學模型,計算表明模型是正確可行的。
  20. Many iterations are conducted in each time step. stiffness is constant in each iteration. nonlinear effect is transformed to equivalent unbalanced node force

    該演算法在每一時間增量內進行多次迭代,迭代過程中採用常剛度格式,把非線性應轉化為的右端不平衡
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