間斷性應力 的英文怎麼說

中文拼音 [jiānduànxìngyīng]
間斷性應力 英文
discontinuity stress
  • : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
  • : Ⅰ動詞1 (分成段) break; snap 2 (斷絕;隔斷) break off; cut off; stop 3 (戒除) give up; abstai...
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
  • : 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...
  • 間斷 : be disconnected; be interrupted; interval; leapfrogging; disjunction; break hiatus; hiatus; inter...
  1. Furthermore, the dq value ranges of profile multifarctal spectra in different landform types and in different directions of the same sections perform different properties and anisotrpies. it can be concluded that the landscape fractal properties depends closely on the int ensity, manner and inhomogenity of exogenic and inogenic processess, and with the properties, we can study quantatively the dynamic geomorphic process. by using the same methods just above, local fractal dimensions d, crossover length tc and the multifractal spectra dq - q of two large - scale landform profiles ( across and along tianshan mountain ranges respectively ) are calculated. the results show that in the studied scaling range the two profiles perform different scaling properties, and both of them can be divided to three evident different linear scaling subsections

    不同類型地貌區二維地貌表面也表現出多度域分形特徵,而且隨著觀測尺度的增加,每個區的分維值均表現為依次減小,表明外營作用的影響逐漸被內營作用所取代:不同類型地貌區在相的分維值表現為高山區中低山區盆地區,體現了不同類型地貌表面粗糙或復雜的差異,因此分維值大小可作為地貌表面外營侵蝕作用強度的重要指標:利用標度區的點和各種地貌類型表面分維值或宏觀效趨於一致,提出5 - 6km左右可作為地貌的宏觀臨界點,並且與利用地貌剖線研究所得到的5km這一數值是基本吻合的。
  2. In this paper, the finite - element numerical analysis calculation is applied to the foundation of high - rise and multi - floor building and the evolvement law of stress and displacement of tunnel used by urban traffic to explore the mutual influence between the wall rock of underground space and high - rise building foundation, taking account of the specific construction situation in the " sanmu garden " project in dadukou district in chongqing, from the perspective of underground space static - force structure stability analysis to open a underground tunnel with 6m in span and 7. 5m in height for track traffic 20m below the surface. this paper, taking considerations of three different states, i. e. the natural state without any artificial interference, the state of high - rise buildings on the surface, and the underground tunnel state with excavation for track traffic, and four plane lines and four vertical lines, analyzes and studies the distributing law of stress and displacement of calculation section from the following aspects : ( 1 ) the main stress vectorgraph, displacement distribution graph ( ux, uy ) and chromatogram graph of stress isoline ( 1, 2, xy ) of section under different states ; ( 2 ) the contrastive distribution curve of stress ( 1, 2, xy ) of different plane and vertical lines under the same state ; ( 3 ) the contrastive distribution curve of stress ( 1, 2, xy ) of the same plane and vertical lines under different states, wishing to provide references for underground space utilization and project designing and construction of the tunnel under high - rise buildings in the future

    本文結合重慶市大渡口區「三木花園」開發建設項目,從地下空結構穩定分析角度出發,針對在該項目中涉及的高層和多層建築物以及在其地下20米處開挖了一個用於軌道交通的跨度6米,高7 . 5米的地下隧道這一具體工程情況,採用2d - 3d -有限元結構分析程序對高層與多層建築物的地基基礎及其與城市軌道交通使用的地下隧道圍巖的與位移演變規律進行了有限元數值分析計算,探索了地下空圍巖與高層或多層建築物地基基礎之的相互影響,通過考慮未受到任何人為擾動影響的天然狀態、地表存在多層或高層建築物狀態和地下開挖用於軌道交通的地下隧道狀態等三種不同狀態以及4個水平剖線和4個垂直剖線等不同情況,從以下幾個方面具體分析研究了計算面的與位移分佈規律: ( 1 )在各種不同狀態下計算面的主矢量圖、位移分布圖( ux 、 uy )以及等值線色譜圖( _ 1 、 _ 2 、 _ ( xy ) )等; ( 2 )相同狀態下不同水平與垂直剖線的_ 1 、 _ 2和_ ( xy )對比分佈曲線; ( 3 )不同狀態下相同水平或垂直剖線的_ 1 、 _ 2和_ ( xy )的對比分佈曲線等,為今後在對地下空的開發利用以及在高層建築物地下開挖硐室時的工程設計和工程施工提供參考依據。
  3. In this paper, high - order accurate weighted essentially non - oscillatory ( weno ) schemes are investigated and their applications in hyperbolic conservation laws are discussed. based on this, a new weno difference scheme which based on dispersion - relation - preserving relation is developed, and representative test cases with this scheme for computational aeroacoustics ( caa ) problems has been implemented and compared in order to test capability of wave capturing ; in addition, weno schemes generally do not converge at high order in the presence of contact discontinuity of euler equations, so a conservative front tracking technique coupling weno schemes and level set method to simulate the translating density profile is presented here, and numerical simulation with this technique for representative test case has been implemented and results show the desired accuracy

    本文研究了高階精度加權基本無振蕩( weno )格式及其在雙曲守恆律方程中的用,在此基礎上作了兩個方面的工作:一是針對高頻聲波問題構造出一種基於保色散關系( drp )的weno有限差分格式,並對計算氣動聲學( caa )問題的代表算例進行了大量數值實驗,比較了該格式捕捉波數的能;另外,針對高階weno格式在處理euler方程的接觸時精度有所降低的問題,研究了利用界面追蹤技術levelset方法和高階激波捕捉weno格式相結合的一種守恆追蹤方法,並且給出有代表的密度滑移面問題的算例,得到一致高階精度的數值模擬結果。
  4. To meet the demands for large space and flexible compartmentation of buildings, laminated vierendeel trusses are adopted in high - position transfer story structures. first the bearing characteristics are analyzed, in which reasonable stiffness ratio of the upper chord, middle chord, and lower chord is derived. then combined with an actual engineering model ( 1 8 similar ratio ), the static loading and pseudo - dynamic tests of two models for laminated vierendeel truss used in transfer story structures are conducted, in which one model adopts reinforced concrete, and the other adopts prestressed concrete and shape steel concrete. seismic behaviors are analyzed, including inter - story displacement, base shear - displacement skeleton curves, and equivalent viscosity - damping curves. a program is programmed to carry out the elasto - plastic dynamic analysis, and displacement time - history curves of the two models are derived. the test and analysis results show that the laminated vierendeel truss with prestressed concrete and shape steel concrete has excellent seismic behaviors. it can solve the disadvantages of laminated vierendeel trusses used in transfer story structures. finally, some design suggestions are put forward, which can be referenced by similar engineering

    為滿足建築物大空和靈活隔要求,在高位轉換層結構中採用迭層空腹桁架結構.首先分析了其受能,得出了空腹桁架各構件合理的截面剛度以及布局形式.然後結合一實際工程,進行了兩榀迭層空腹桁架轉換結構模型( 1 : 8相似比)的豎向荷載下靜試驗以及擬動試驗.其中一榀為普通混凝土迭層空腹桁架,另一榀配置了預和鋼骨混凝土,對比分析了兩模型的層位移比、骨架曲線以及等效粘質阻系數等抗震能的比較,並進行了彈塑分析.試驗和分析結果表明,配置預和型鋼混凝土的迭層空腹桁架轉換結構具有良好的抗震能,可以成功地解決迭層空腹桁架作為轉換層結構所產生的弊端問題,最後對這類轉換層結構提出了相的設計建議
  5. The existed material fatigue performance test curves are dealt with and analyzed, and the non - dimensional stress - strain curve, tangent modulus factor curve and fatigue life curve are drawn based on the experiment data, and these three non - dimensional parameter curves are used to find the inherent rules that the test curves can be replaced each other to some extent. it can be concluded that if the common character and system error of these materials are found, the test curve of a certain material can be used for reference by another material. this is a simple approach about fatigue life estimate and is engineering practical

    對已有的材料學疲勞能試驗曲線進行分析整理,利用試驗數據繪制了相對變曲線、切線模量因子曲線和疲勞壽命曲線,利用這三種無量綱參數曲線發現了其中存在的規律,即在某種程度上實驗曲線可以互相取代,並用試驗數據對此進行了討論,並由此推,如果找出材料彼此的共或彼此之的系統誤差就可以將一種材料的試驗曲線供其它材料參考使用,這是一種估算材料的疲勞壽命的簡便方法,對工程而言具有實用
  6. Using the complex potential method in the plane theory of elasticity of an anisotropic body, a series solution to the stress field of a finite plate containing multiple cracks subjected to arbitrary loads is obtained by means of the faber series expansion, and the stress intensity factors at the crack tips are calculated based on the theories of fracture mechanics. equivalence yield stress is introduced in order to consider the effects of the plastic zones, with which the strip yield criteria is developed in the article so that the effects of structural size and the crack interactions on the stress distribution can be considered accurately. the effects of plate size, crack size and crack distributions on the stress intensity factors as well as the residual strength of the plate are studied detailedly

    採用各向異體平面彈理論中的復勢方法,以faber級數為工具,得到了含多裂紋有限大板在任意載荷作用下場的級數解,並學方法確定裂紋尖端的強度因子;引入當量屈服考慮裂尖塑區的影響,提出基於帶屈服準則的剩餘強度分析模型,能夠充分考慮結構尺寸和裂紋之相互作用對場的影響;通過數值計算詳細討論了結構尺寸和裂紋之位置關系對強度因子和結構剩餘強度的影響規律,得到了一系列對工程用具有實用價值的結論。
  7. Main content in simulation is the spatio - temporal evolution of the set of descriptive variables characterizing tectonic mineralization state under coupling of various processes as following : ( 1 ) variables related to forming and property of ore - forming fluid, such as dissolution rate of minerals ( include metal minerals ) in rock, concentration and saturation of aqueous species in fluid, temperature, pressure, and ionic strength etc. ; ( 2 ) variables related to structural deformation and fluid flow, such as stress, deformation rate, fracture network, porosity, fracture permeability ; ( 3 ) variables related to precipitation and mineralization, such as nucleation rate of gangue and metal minerals, accumulation precipitation of various minerals, etc. ; ( 4 ) spatio - temporal coupling relation of various variables above, such as the coupling relationship between spatio - temporal evolution of fracture permeability and flow and focus of fluid and ore - forming

    模擬的主要內容是在各種過程耦合作用下,以下描述構造成礦體系的主要變量的時空演化:與成礦流體的形成和質有關的變量,如地層中礦物(包括成礦物質)的溶解速率、流體中各組分的濃度與飽和度、流體溫度、壓、離子強度等;與構造變形和流體運移有關的各變量,如與變形速率、巖石孔隙度、構造(裂)滲透率等;與沉澱成礦有關的變量,如礦物(金屬礦物和脈石礦物)的成核速率、各礦物的沉澱量等;上述各有關變量的時空耦合關系,如裂滲透率時空演化與流體流動、匯聚和成礦的耦合關系等。
  8. As a result of the heightening of mechanical operation speed and the application of new materials and new structures, the nonlinear dynamic behavior in rotating machines is becoming increasingly outstanding and important. nonlinear dynamic phenomena in rotating machines cant be described, explained and predicted by rotordynamics based on linear system theory. along with the deepening and permeating of nonlinear scientific research, the nonlinear vibration of rotor systems has become an attractive field in recent years. from a point of view to set up the distinct corresponding relations between vibration states and failures of rotating machines, main advances in the research of rotor nonlinear vibration are summarized, and typical nonlinear dynamic phenomena and their forming mechanism are also summed up in the paper. the aim of the paper is to enrich the diagnostic knowledge base of rotating machines. 55refs

    由於機械運轉速度的不提高和新型材料、新型結構的推廣用,旋轉機械的非線學行為日顯突出和重要.基於線系統原理的轉子動學理論與方法難以對實踐中出現的豐富的非線學現象作出準確的描述、闡釋和預測.近年來,隨著非線科學研究的深入和滲透,轉子系統非線振動已成為學和機械工程領域的研究熱點之一.從有利於建立旋轉機械振動狀態集與故障集之的映射關系出發,綜述了近年來轉子系統非線振動研究的主要進展,總結了轉子系統中出現的典型非線現象及其產生機理,目的在於豐富旋轉機械故障診知識庫.參55
  9. Depending on how the ground surface is denuded, the feature of the current crustal stress field and rock stress environment can be calculated analyzing the result in this paper : by analyzing the recovering feature of the elastic deformation of the rockmass in unload - stage under various pressures, it has been found there is close relationship between the recovering degree of the elastic deformation of the rockmass and the unloading degree of the pressure the direction of the major principal stress in the crustal stress field is not consistent with the direction of the crushing stress regional tectonics borne during the last tectonic movement. the evolving degree of the regional geomorphology evidently affects the current crustal stress field, which changes from the self - weight stress field to the horizontal stress field, with the changing of the eroding degree of the regional geomorphology ranging from valley area to hilly country to flat country. in valley area, where there is two stress belts, the bankslope s tress belt and the self - weight stress belt within the mountain. the direction of the major principal stress is nearly parallel to the ground surface and inclines towards the valley in the bankslope stress belt. it is nearly vertical in the self - weight stress belt

    通過本文的研究成果,根據區域地貌的演化特徵,我們可以大致地對現今地場進行判:在分級卸荷條件下,巖體中彈變形的恢復具有明顯的規律,這種規律對于研究地場的演變是有幫助的;地場中最大主方向與區域構造形跡在最近的構造運動中所受區域擠壓的方向無明顯的對;區域地貌形態的演化程度對現今地場的特徵具明顯的影響,隨著區域地貌侵蝕程度由峽谷區、丘陵區、平原區的變化,現今地場特徵由自重場、水平場為主含少量自重場特徵向水平場的規律變化;在峽谷區,山體中具有兩個帶:自重帶和卸荷帶,最大主方向在卸荷帶中近平行於坡面並傾向于河谷、在自重帶中近於直立;根據原始地面遭剝蝕的程度,可以大致地估算最大主和中的量值和方向;在丘陵區和平原區,最大主的方向近於水平,並與附近區域侵蝕盆地和河流的展布方向基本平行,根據原始地面遭剝蝕的程度,可以大致估算其最大主的量值;根據區域地貌形態的特徵來分析工程區的現今地場特徵,並進而大致了解巖石的環境,這種分析方法得出的結論與許多實際的地測試成果基本一致,對于大型水電工程地下廠房和壓隧洞的設計是有所幫助的。
  10. In the fields of fluid dynamics, entropy inequality reflects the second law of thermodynamics. i. e. entropy must increase across shock waves ( a kind of discontinuity ). all kind of approximate schemes should reflect the fact that it must satisfies some kind of discrete entropy inequality ). from the view of practical computation, stability and theo - retical error of any kind discrete schemes all dependend of the smoothness of the solution of ( 0. 2. 1 ). generally, the approximate solution have good stability and theoretial error in the area where the solutions have more regularity and poor stability and theoretial error in other area

    從流體學來看,它事實上是熱學第二定理的反映,即熵越過激波(一種)要增加。各種估計格式構造的估計解反映這一事實,即滿足熵不等式。從實際計算來看,總是通過離散化求解,不考慮計算的積累誤差,它的穩定與計算精度都依賴與真解的光滑,一般說,在解較光滑的區域有較好的穩定與計算精度,而在較粗糙的區域則相反。
  11. You will have the responsibility for all the planning and engineering for the site electrical power supply ( hv , lv ) systems and its varied electrical networks and equipments , with a particular emphasis on uninterrupted power to highly - sensitive manufacturing component , computer environments and instruments and controls

    負責所有高壓和低壓供電系統的規劃和供電系統工程及其各類電網和設備,尤其需保證不的電以服務于德芯電子高敏感的生產製造過程,計算機運行環境以及儀器的運行。
  12. The presence of small amount of liquid at grain boundaries tends to form thin viscous layer which surrounds the finer grains. intergranular fracture may occur at the grain boundaries between two fine grains not covered by viscous phases. the high ductility achieved at low strain rates is generally attributed to dislocation glide - creep accommodation mechanisms

    原始晶界上產生少量液相,形成薄的固液共存粘層並包圍細化的晶粒,沿晶裂主要發生在無粘層的細晶粒;而在較低變速率下,三叉晶界位錯攀援?蠕變協調機制鬆弛晶界滑移產生的集中,晶界上產生較多液相,有利於晶界滑移進行。
  13. Numerical viscoelastic modeling for porphyroclast rotation in ductile shear zones is done by a viscoelastic finite element program based on detailed investigation to three ductile shear zones, the taihangshan mountains, north china. in this model porphyroclast garnet is assumed as isotropic elastic material with small elastic deformation, while the matrix quartz, feldspar as viscous fluid maxwell material which has increasing deformation with time. the viscosity of matrix is supposed to be 10

    採用粘彈學分析程序對太行山阜平地區剪切帶中斑晶旋轉問題進行了有限元數值模擬。在計算模型中假定:石榴石斑晶為彈材料,在作用下只產生很小的彈變形石英長石質的基質部分為粘彈材料,它具有隨時變形不增大的特
  14. Researching on the technology if reverse order is to study strains if pits, structural systems if basement, environmental surwey and underpinnings. on account of emphasizing developing methods if checking strength if pick - ets, modemizing machenes of excavation and studying methods of underpinning is put forward and is a way if controlling the quality of pickets in sites, which leads an active effect ; synthetic application if rankintheory, spatial and time effect theory to excavation tl aanalyze the state of soil force and strain is brought forward and the time effect should be considered in the zone of clay, the formation and development of soil plasticity are analyzed and the most dangerous zone to decide how to excavate and where to begin is found ; analyzing the cause of picket settlement during reverse order and the differential settlement and discussing hlw to solute it. duringh the temporary survey and the environmental warship, bringing rorward the theory of environmental vibration and analyzing the state of soil force and probability of losing stabilization of soil under the effect of environmental vibration ; analyzing the state offeree in underground concrete wall by the method of mathematics and pointing out the place of the maximum force and deformation. based on systematic illustrating the reverse order, problems about application and development of reverse order and suggestions also are expressed

    鑒于國內外的研究把重點放在大發展工程樁的實驗室承載監測方法與設備、如何使土方開挖機械現代化及對周圍建築的臨測方法上,本文提出了現場利用聲波層析成像技術監測鋼砼樁內部質量的方法與程序,並得出了聲波層析成像技術是砼樁的動態質量檢測的有效手段,這對指導施有積極、現實意義;提出了綜合運用朗肯土壓理論、基坑空和時影響理論來分析逆作法施工過程中基坑邊坡土體變的變化情況,指出粘土地區也考慮時,並且進一步分析了基坑邊坡土體的塑區形成和發展,找出邊坡最不利的區域,以確定地下室土體的挖掘的方式和順序,指出憑主觀臆與經驗來施工是不可取的;在分析、經較逆作法與大開挖順作法的地下室結構體系受情況及施工順序的不同,提出了節點處理技術;分析了逆作法施工期樁的沉降變化原因及由此而產生的差異,並探討了解決的方法;本文還提出了環境振動對土體邊坡穩定產生影響的觀點,並分析了在環境振動影響下,土體的狀態及土休失穩破壞概率,並且還運用彈學知識和數學分析的方法定量地分析了地下混凝土墻受狀態,指出了被監測墻體的最大變位置。
  15. Abstract : a preliminary investigation was made on hearth damage of a number of furnaces in china, and the analysis and discussion are presented for reasons of hearth damage in this paper. the main reasons of ring crack of the hearth are : 1. improper physical and chemical properties of baked carbon bricks. 2. the thermal stress existing in carbon bricks, alumina bricks and the furnace shell. the formation of the ring crack aggravates the abnormal erosion of the hearth

    文摘:結合鞍鋼2號和7號等高爐和2號高爐的調查結果,對國內部分高爐爐缸破損情況進行初步調查,對爐缸破損原因做了初步分析和討論,認為造成我國高爐爐缸環形裂的主要原因是由於碳磚自身物化能差以及爐缸碳磚和高爐爐殼之的熱;環裂的出現加劇了爐缸的異常侵蝕。
  16. By comparing the numerical results of water infiltration with air and without air, it is shown that the method in this paper is more effective for solving problems of water infiltration in unsaturated soil. in this paper the forming process of oil - bearing basin is the main research object and the mathematic model of geology is built, in order to simulate the dynamic forming process of stratums especially oil - bearing stratum in geology history in the time and space concept, further to investigate the history of petroleum forming, transmitting, accumulating and predict the distributing rule and scope of petroleum, and offer an rapid, quantitative, exact, general choice for the researcher of petroleum geology. with denudation, poor - compactness and sedimentation hiatus, the stratum relations of sedimentation section is judged, and the ancient thickness and pressure of stratum layer are recovered by the inversion method of back stripping. the numerical simulation algorithm of recovery of geological history is also given

    為了利用現代化的計算技術再現含油氣盆地的地史演化發育過程,以便進一步定量化研究油氣的生成、運移和聚集的歷史以及預測油氣分佈規律、分佈范圍,為石油地質學家提供一個快速、準確、定量、綜合的研究手段,本文就含油氣盆地的地史演化發育過程為主要研究對象,建立了數學地質模型,運用優化理論與演算法,在考慮了剝蝕、欠壓實、沉積等地質現象的情況下,採用回剝反演法,用鉆井、測井、地震等方法獲得的地層物資料,判別沉積剖面中地層的接觸關系,恢復地層的古厚度、古壓,構造了地史恢復的數值模擬方法。
  17. Large diameter prestressed concrete tubular pile is one of the new type of pile foundation structure developed in the period of sixth five - years plan, the category and specifications of this kind of concrete tubular pile improved continually from the only one al type to a, b, c three category including seven types with the development of harbor industry, and applied in more than forty large scale harbor and bridge projects. the advantages of this product such as better structure performance, lower investment and higher construction speed were fully embodied in such projects

    大直徑預混凝土管樁是我國從「六五」期開始的新的樁基結構形式,隨著港口事業的發展,大直徑預混凝土管樁的品種與規格不得到拓展,從原來的單一的a1型樁發展到a 、 b 、 c三類7種規格的系列產品,在全國四十多座大型碼頭和橋梁工程中得到用,充分體現了大管樁這一產品結構能好,投資省,速度快的優勢。
  18. Second, change the diaphragm ’ s space between, retain the other thing, analyze the influence of the stress and deformation of box ? girder cross section and the beam web. based on the analysis upwards, the writer studied the rule of the influence of the stress and deformation box ? girder cross section and the beam web with different diaphragm ’ s space between. according to the results of finite element analysis, the writer puts forward some suggestions which will provide some reference for the following design

    本文利用ansys有限元分析程序,對指定面,不同曲率的曲箱梁,建立完備的有限元模型,分別對二個方面的問題進行了分析:其一,通過對箱梁在有無跨中橫隔板時截面頂板及腹板的變形和分佈的對比分析,闡述了設置跨中橫隔板的重要;其二,在相同工況下,通過改變橫隔板的設置距,分析對箱梁翼緣及腹板的受影響。
  19. The traditional method, which is used to analyze stand - alone equipments and working procedures separately and discontinuously, is not adaptive, the qualitative analysis or quantitative analysis is very difficult without using powerful analysis tools

    傳統的對單體設備和工序過程進行單個孤立地、地分析已不能適要求,如果不藉助有的分析工具,是很難對其進行定或定量分析的。
  20. Thirdly, subspace iterative method is adopted in the paper, and natural periods and modes of preceding fifteen steps of zhongshan no. one bridge are solved, dynamic characteristics of this kind of structural system are obtained, inherent link between dynamic characteristics and structural rigidity is discussed deep, the viewpoint is provided that dynamic characteristics of a structure are considered as important basis whether structural scheme is rational ; in addition, the author brings out some own views and opinions about calculational methods of prestress value of different sorts of tie rods, simulation of local rigidity region, foundation of a local finite element model of a node

    另外,提出在施工階段中某些構件的有可能比成橋狀態的還大,需防止在施工狀態中構件因強度不足而破壞;再次,採用于空迭代法,求解了拱式組合體系橋梁的自振周期和振型,得出該種結構體系的動,深入探討了動和結構剛度之的內在聯系,提出了把結構的動作為判結構方案是否合理的重要依據。此外,本文還就系桿預值的確定方法、局部剛度區域的模擬、節點局部有限元分析提出了作者的見解和看法,對解決類似問題得出了一些有參考意義的結論。
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