壞振動分析 的英文怎麼說

中文拼音 [huàizhèndòngfēn]
壞振動分析 英文
machinery vibration analysis
  • : Ⅰ形容詞1 (不好的; 惡劣的; 使人不滿意的) bad 2 (表示程度深 多用在表示心理狀態的動詞或形容詞後面...
  • : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : Ⅰ動詞1. (分開; 散開) divide; separate 2. (分析) analyse; dissect; resolve Ⅱ名詞(姓氏) a surname
  • 振動 : vibrate; vibration; vibrance; vibrancy; vibra; vibes; shaking; rumble; jitter; chatter; sway; jar...
  1. On the basis of analyzing the working circumstance and prosperity of downhole drilling string of the surface dynamic rotating drilling vertical well, the force prosperity and failure forms of downhole drilling string are focused on. and further research has been done on the vibration damage of downhole drilling string as well as the construction and work prosperity of vibrating - proof hydraulic shocker absorber

    本文在對地面力旋轉鉆井直井井下鉆柱的工作環境和特性加以的基礎上,著重對鉆柱在井下的受力特性以及損形式進行了,並對鉆柱在井下的危害以及用於防止的水力加壓減震器的結構、工作特性等一些規律進行了深入的探索和研究。
  2. Based on extensive investigation of construction technique history of chinese ancient buildings, the structure method, structure developing history and seismic behavior of chinese ancient timber structure buildings are analyzed in several respects of the structural system and form. through a series of experiments on constituent parts of chinese ancient timber building structure, including the tests on the corbels and brackets called dougong subjected to low cyclic reversed loadings, the tests on the wooden frame using the tenon - mortise joints as connections of column and beam subjected to low cyclic reversed loadings, the tests on vibration isolation effect of friction and slippage between column footing and their socle base, and a series of shaking table tests on a chinese ancient timber structure palace building mode under artificial earthquake at serving conditions, destroyed conditions and reinforced conditions, many valuable results of structures such as moment - curvature hysteretic loops of dougong structure and tenon - mortise joints under low cyckc reversed loadings, the static function, the seismic performance, energy dissipation, vibration reduction, energy - loss mechanism, nechanicalmode and failure mode were studied. aplenty of valuable parameters of the structure system were obtained, such as the natural period of structure, vibration modes, damping ratio, factor of vibration isolation, oscillate amplitude of ineitial accebration, velocity and displacement, magnitude of slippage, and the mechanism of structure failure and collapse etc. based on these research, the complete analysis of ancient timber structure under earthquake were carried out in which including mechanism analysis method, calculating mode, strength analysis of members and joints, strengthening methods for serving damaged ancient timber structure buildings were also taken into account

    依照宋代《營造法式》建造了抬梁式殿堂木結構構件及結構模型,對中國古代木結構中的典型構造如:柱腳在礎石頂面平擱簡支、柱架榫卯連接、柱高不越間之廣、側腳、生起、斗拱等的構造機理及結構功能進行了量化和實驗研究: (一)通過木柱石礎靜摩擦試驗,測定了柱腳與石礎古鏡面間的摩擦系數及摩擦力隨上部結構荷載變化的規律; (二)通過單柱承載力試驗,測定了古建築中木柱的受力變形特徵、破模式、及模型材料的變形模量、極限承載力、極限變形等參量; (三)通過柱架低周反復荷載試驗,測定了柱架的抗側移剛度、柱架恢復力特性及滯回曲線、榫卯張角剛度及其變化規律、柱架及榫卯的極限承載力和極限變形、及榫卯減參數; (四)通過斗?低周反復荷載試驗和受壓試驗,測定了古建築木構件與木構件間摩擦系數,斗?抗側移剛度,斗?恢復力特性及滯回曲線,斗?抗壓極限承載力及受力變形規律; (五)通過抬梁式殿堂間架模型臺試驗,測定了殿堂木構架結構自周期,地震反應形、阻尼特性及阻尼比;按結構層特點對柱腳、柱頭和斗?層上的屋蓋的地震反應採用多點同步測量,對柱根滑移、榫卯變形、斗?的變形、復位、耗能減參數等進行了定量
  3. In this paper, the author combines the theory analysis with the experiment research method, and discusses the seismic behaviours, 3d elaborate finite element analysis and simplified model analysis of a kind of multi - function tall building - " sub - shearwall supported by frame ", which is applied widely today. the main contents are as follows : in order to observe the failure process and the earthquake response of the complex structure, and to analysis the seismic behaviour of the structural system and structural members, a 1 / 20 cement mortor model of a complex tall - building which is about to be built was producted and the shaking table test of this model under 26 sorts of earthquake loads was made. using sap2000 finite element analysis program, a 3d analysis model was built in computer, and the elastic time - history analysis of the model was done

    本文採用理論和試驗研究相結合的方法,研究了目前應用較多的綜合性大廈? ?框支區剪力墻高層商住樓的抗震性能及空間精細和簡化方法,主要內容為以下幾方面:對一擬建的復雜高層建築結構,採用1 20比例的空間整體模型,進行了26種工況下的模擬地震臺試驗,觀察了結構的破過程和地震反應,了結構及構件的抗震性能;建立了結構的精細空間模型,利用sap2000n大型有限元程序對結構進行了彈性時程;通過有限元與試驗結果的對比,對結構的抗震性能和抗震能力做出綜合評價,認為該結構由於轉換層上部去掉部樓板,既可滿足建築設計的通風、採光等要求,又可達到協調結構轉換層上、下樓層抗側剛度的效果,是一種較理想的有多道抗震防線的結構型式。
  4. With metal fatigue in material mechanics, this paper deduces the limestone fatigue curve of longmen grottoes by means of marble s one within the error permission. by the experiment elects the crucial factors of current vibration environment in longmen grottoes, the author contrasts the result of the experiment with its fatigue curve referred above and analyses the fatigue effect of longmen grottoes. finally, it is pointed out that after longmen grottoes have being suffered weathering and water - erosion more than 1500 years, the vibration environment is becoming an crucial factor leads to fatigue effect, especially in those weak surface carvings just like the crossings of several rifts, serious weathering places, etc

    借鑒材料力學中金屬疲勞破的研究手段,在誤差允許范圍內用大理巖疲勞曲線推導出門石窟石灰巖疲勞曲線。通過對石窟實際環境中典型要素的抽取和試驗,將試驗結果與疲勞曲線進行對比,了門石窟的疲勞破效應。文章指出,在經歷了1500多年的風化和流水溶蝕后,環境已成為導致門石窟某些薄弱點如多條裂隙交叉點嚴重風化酥解的壁面雕刻品等產生疲勞破的重要誘發因素。
  5. ( 三 ) under the dynamic load of the explosion, the numeric analysis has been done and achieve the rule as follow : ( 1 ) when the frequency of vibration is 0. 3hz, the acceleration of the slopes top gets the maximum ; so 0. 3hz is believed the natural frequency of the slope as a whole ; ( 2 ) the vibration of explosion can been magnified because of the condition of the landform, when the relative altitude is up to 45m, the acceleration of horizon gets the maximum ; when the relative altitude is up to 100m, the absolute value of acceleration and the deformation of horizon is larger than that in the bottom of the slope ; ( 3 ) in the period of forced vibration, at the top of the slope, the acceleration of horizon become larger and larger ; at the middle part of the slope, it becomes smaller ; ( 4 ) when the explosion velocity of is much little, the shallow part destruction is the primary deformation of the slope

    (三)採用模態疊加法針對爆破力作用,進行邊坡的力響應,得出了以下結論: ( 1 )頻率為0 . 3hz時,坡面頂部水平向加速度峰值最大;綜合考慮,可認為該邊坡的自頻率為0 . 3hz左右; ( 2 )地形對爆破地存在放大作用,研究剖面的坡面,水平向加速度及位移在地形相對高差45米左右最大,而後隨相對高差的增高而減小,相對高差為100米時,水平向位移及加速度絕對值均大於坡腳; ( 3 )強迫段,水平向加速度值隨時間變化的規律為:坡頂節點總的變化趨勢是越來越大,而坡體中部節點的變化趨勢是越來越小; ( 4 )當爆破速較小時,變形破的形式表現為坡頂表面滑塌型。
  6. Basing on rc simple supported beam the study of the paper is modal analysis using the finite unit software ansys, and the relationship among the transformation of vibration frequency, value of attached load, position of attached load, degree of damage, position of damage is discussed

    本文利用大型有限元軟體ansys針對工程常用的鋼筋混凝土梁橋進行了模態,討論了頻率的變化與附加荷載大小、附加荷載位置、破損程度、破損位置之間的關系,研究了混凝土梁橋從完整階段到破階段頻率的變化規律。
  7. 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力發展工程樁的實驗室承載力監測方法與設備、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,並得出了聲波層成像技術是砼樁的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力理論、基坑空間和時間效應影響理論來逆作法施工過程中基坑邊坡土體應力及應變的變化情況,指出粘土地區也應考慮時間效應,並且進一步了基坑邊坡土體的塑性區形成和發展,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,指出憑主觀臆斷與經驗來施工是不可取的;在、經較逆作法與大開挖順作法的地下室結構體系受力情況及施工順序的不同,提出了節點處理技術;了逆作法施工期間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;本文還提出了環境對土體邊坡穩定產生影響的觀點,並了在環境影響下,土體的應力狀態及土休失穩破概率,並且還運用彈性力學知識和數學的方法定量地了地下混凝土墻受力狀態,指出了被監測墻體的最大應力、應變位置。
  8. According to the analysis of dynamic characteristics of these seismic soil - layer structures, it was proposed that failure functions of foundation caused by strong earthquakes included liquefaction, seismic fissure filling, vibration falling, fracturing and seismic settlement of soil

    根據這些強烈地震成因土層構造的力學特徵進行,認為強烈地震對地基土的破作用有幾種方式:液化作用、地震裂隙充填作用、塌落作用、斷裂破作用和震沉陷落作用。
  9. The dynamic characteristic of large - scale aqueduct is analyzed under four cases ( aqueduct without water, aqueduct with water in three troughs, aqueduct with water in the middle trough, aqueduct with water in side troughs ), and the results can be applied to seismic - resistance design of large - sc ale aqueduct. the earthquake time history response of large - scale aqueduct is studied under four cases when the el - centro earthquake wave is inputted. in the paper, base isolation technology is applied to avoid the destroy arising from the bigger stress in aqueduct

    本文4種工況(槽內無水、中槽過水、邊槽過水和三槽都過水)對該大型渡槽結構的態特性進行,所得結果可為大型渡槽結構抗震設計提供依據;並在el - centro地震波激下進行渡槽結構在這四種工況下的地震力時程,計算給出了大型渡槽結構的地震反應規律;為了避免較大應力的出現對渡槽結構造成破,本文採取隔震措施來減小該結構的力反應,並其隔震效果,提供設計參數,為工程設計提供依據。
  10. Finally, the random vibration analysis of the signal transform device is presented. experimental modal analysis is discussed briefly. the reasons why the relays on the printed circuit board were destroyed under random acceleration excitations are found out

    本文最後對信號變換裝置進行了隨機響應,簡要探討了實驗模態法,找出了裝在印製電路板上的繼電器在隨機試驗中被損的原因,也介紹了結構力模型修正技術的發展。
  11. 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應力有可能比成橋狀態的應力還大,需防止在施工狀態中構件因強度不足而破;再次,採用于空間迭代法,求解了拱式組合體系橋梁的自周期和型,得出該種結構體系的力特性,深入探討了力特性和結構剛度之間的內在聯系,提出了把結構的力特性作為判斷結構方案是否合理的重要依據。此外,本文還就系桿預應力值的確定方法、局部剛度區域的模擬、節點局部有限元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。
  12. The author in this paper, based on the highway of hubei province and a lot of investigations, combined by the experiment construction, tests the strain and vibrancy wave form of the bride deck pavement under the static and dynamic load, and presents fundamental damaging reason of the bridge decks combined by fem analysis

    橋面損現象在我國普遍存在,論文立足湖北省,在大量調查研究的基礎上,結合實體工程,對鋪裝層靜、載作用下產生的應變和波形進行測試,並結合有限元法計算與,揭示了橋面板損的根本原因。
  13. In order to gain high reliability, when designing pcb these questions must be considered : whether the first natural frequency of pcb is large enough or not ? what are the dynamic characteristics of pcb and where are the weak points of pcb

    因此,為了保證印製電路板的高可靠性,就必須在印製電路板的設計和過程中,考慮以下問題:印製電路板的固有頻率是多少,使用中是否會發生共
  14. Mechanism research on gear abrasion failure caused by the vibration of the gear system

    齒輪系統加劇齒輪磨損毀的機理
  15. Postgraduate : pu liangtao supervisor : professor shang shouing senior engineer huang gang the research on influence of the post - casting section of continuous rigid bridge suffered vibration of train travelling is preseated in this thesis according to related project. based on theorize analysis, expriments of material properties and members under deformed vibration, verification of isolating and reducing vibration in building as well as construction technology and quality control, the effect of post - casting section suffered deformed vibration is studied thoroughly. through the analysis of 28 tests of shear strength with post - casting section under deformed vibration, the related laws are deduced. and the analysis of finite element method, the studies of quality control and construction technology are also completed

    通過現場測試、模型和試塊的模擬成型試驗、加載破試驗、理論、現場減試驗、施工工藝和質量控制等一系列全面、系統的研究工作,認真、深入地研究了現澆混凝土受火車行駛的影響,特別是在約束構件后澆濕接頭區段內現澆混凝土受火車行駛影響研究方面作出了開創性的工作,完成了使濕接頭區段受到彎曲變形影響條件下的構件模擬試驗、抗剪強度試驗。
  16. Based on the theories of chemistry and ahsking structure, the corrosion and damage mechanism of externally prestressed tendons was addressed and the impact of vibration frequency of externally prestressed tendons on normal use of concrete beams was analyzed

    摘要運用化學及結構原理,闡述了體外預應力筋腐蝕破機理,了體外預應力筋頻率對梁正常使用的影響。
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