振動面理論 的英文怎麼說

中文拼音 [zhèndòngmiànlún]
振動面理論 英文
oscillating-surface theory
  • : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  • : Ⅰ名詞1 (物質組織的條紋) texture; grain (in wood skin etc ) 2 (道理;事理) reason; logic; tru...
  • : 論名詞(記錄孔子及其門徒的言行的「論語」) the analects of confucius
  • 振動 : vibrate; vibration; vibrance; vibrancy; vibra; vibes; shaking; rumble; jitter; chatter; sway; jar...
  • 理論 : theory
  1. A lot of engineering applications are carried out using our proposed method in this paper, such as thermal deformation measurement of a car lamp, analysis of the super low frequency harmonic vibration of a piezoelectric ceramic, dynamic mechanical behavior analysis of the ballistite material and so on

    在前所提出的基礎之上,本文對該方法在實際工程中的應用做出了大量的工作。本文利用時間序列法實現了汽車前燈配光鏡的熱變形檢測、壓電陶瓷片的超低頻分析以及火箭固體燃料的態力學特性研究。
  2. In view of bearing capacity of the elastoplastic theory analysis, the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion, and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative. in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects, the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith, and gathered the parameter of dynamic analysis and testing. the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world, i. e. the confirmation of batholith bearing capacity of pile end, from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f. e. m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test

    然後,對巖土工程領域至今尚未解決,甚至不為人注意的考慮地基變形的地基承載力問題進行了實用化的探討,提出了考慮地基變形的地基承載力上程計算方法;對基於彈塑性分析的地基承載力國內尚未見報道的空間問題得到了圓形基礎(空間問題)的承載力界限荷載p _ ( 1 / 4 ) ,並與國內外土力學專著及地基基礎設計規范中的條形基礎(平問題)的界限荷載p _ ( 1 / 4 ) ,進行了對比,從而定量上解釋了目前設計規范引用土力學承載力公式值偏於保守的這一情況;根據本文作者多年從事現場地基工程試驗及相關課題的研究工作,本文以截頭錐模型模擬地基,對地基(巖基)承載力的測法進行了研究,為各類地基(包括巖基) ,匯總了力分析和檢測川的參數:針對日前巖土工程界應用樁基設計規范中的難點? ?樁端巖基承載力的確定問題,從巖石室內單軸抗壓強度確定、基於彈塑性模型的有限單元法計算、土力學計算及深斤載荷試驗四方進行了深入討;本文作者根據多年現場載荷試驗的工程實踐,對深井荷試驗裝置的核心部分? ?反力裝置,設計了側壁支撐反力加載系統,該加載系統具有實用、簡便、穩定及安個等優點。
  3. This article takes the lagrange equation as the principle, establishes mathematics modeling to the inertia brake vibration when it brakes, then simulates it with matlab. this paper educed the relation equations between, which are the inertia brake ' s friction coefficient of the brake ring and the friction disk, the mean radius, the braking force, rotation inertia of the driving top and the spline shaft, spiral climbing angle of the brake ' s concave - convex helicoid, the mean effort radius of the concave - convex helicoid, elasticity coefficient of the spring, quality of the driving top and the spline shaft, rotations inertia of the brake ' s rotation part besides the driving top and the spline shaft, suppresses sleeve. provides the theory basis for the inertia brake structure optimization

    本文以拉格朗日方程為基礎,對慣性制器在制時的進行數學建模,然後用matlab對其進行模擬,得出了慣性制器在制角頻率分別與制環和摩擦片之間的摩擦系數、制力的平均半徑、主頂和花鍵軸的轉慣量、慣性制器的凹凸螺旋的螺旋升角、凹凸螺旋平均作用力的半徑、彈簧的彈性系數、主頂和花鍵軸的質量、慣性制器除主頂和花鍵軸外其他部分的轉慣量和、頂壓套的質量等慣性制器各零部件的物參數之間的關系,為慣性制器的結構優化提供了依據。
  4. Basing the theory of finite elemental modeling and ansys software, this text build the entitative model and elemental model of the main parts and carry the modal analysis. and we get the natural frequency and shaking type of all steps. and then we compare the analysis results with the results of experimental modal analysis, testing the correctness of the elemental model

    本文根據有限元建模,並利用ansys有限元分析軟體,分別對螺桿泵地系統的上述主要部件進行實體建模、有限元建模以及模態分析,確定這些部件的各階固有頻率和型。
  5. The absorption characteristics was that the surface plasma absorption peak appeared around 570 nm shifted to a short wavelength and strengthened as the cu composition increased. but the maximal shift range of the absorption - edge preponderated over 500 nm, and leaded that the dipolar plasma resonance absorption peak were covered up and gradually disappeared in the absorption spectrum. we theoretically explained the mechanism of the modulating action

    實驗觀察到cu表等離子體共吸收峰位在570lun附近的吸收邊頻移量超過了500nln .分析表明,吸收峰位的移主要源於偶極共,而峰形的寬化主要由納米粒子的表效應和量子尺寸效應引起
  6. Iv ) revolute joint element, nonlinear spring - damper element, 3 - d 5 points contact element are applied to simulate the revolute restriction between two caterpillar boards, suspension nonlinear vibration, contact between wheels and caterpillar boards, and contact between caterpillar boards and ground are considered respectively. drucker - prager material is employed to simulate reinforced concrete

    4 、應用大幅度轉約束單元、非線性彈簧阻尼單元、三維五節點接觸單元分別模擬自行火炮履帶板之間的轉約束連接、懸掛非線性及負重輪與履帶板之間的接觸和履帶板與地的接觸問題;根據材料非線性,提出利用drucker ? prager材料建立土壤的非線性有限元模型。
  7. In order to solve the technological problem of the dredge of raw material flow on the production line, we ? e carried out as overall theoretical and experimental research on the movement characteristic of the raw material on the surface of sifter in the vibratory machine, the dynamics property of the vibration stimulated by inertial double - axes, the flow property of raw material in these store hoppers, the agglomeration and obstruction mechanism

    針對生產實踐急需,提出了本項研究題目。本文為了解決生產線物料流疏通的技術難題,對物料在篩分機篩上的運特性、雙軸慣性激勵式篩分機的力學特性、儲料倉內物料的流特性、物料結拱及堵塞機等進行了全分析和試驗研究。
  8. The probe ' s linearity, temperature and dynamic characteristics are analyzed base on principal theory of eddy - current displacement sensor, such as the influence of the coil q value to the linearity characteristic, influence of the diameter of coil to the linearity characteristic, influence of coil resistance to the temperature characteristic, influence of the measuring coil to the syntony loop

    在介紹渦流位移傳感器的基本的基礎上,分析了傳感器探頭線性特性、溫度特性、態特性的影響因素。從探頭線圈q值對線性特性的影響;探頭直徑對線性的影響;探頭線圈電阻對溫度特性的影響;激勵信號溫度特性的影響:檢測線圈?迴路態響應特性等方分析並提出製作高質量傳感器探頭的改進措施。
  9. By the result of these experiments, acoustic emission ( ae ) was chosen to use in the research. at the same time, we analyse the phenomenon of acoustic emission at the base of theory, the characteristic signal of acoustic emission which comes from the faulty bearing at the angle of application, and the expression of the characteristic signal. contrast was also made on the data achieved separately from vibrational signal and ae signal, and it is proved that ae is feasible and available to the diagnosis to the fault of the rolling bearing

    主要工作有如下幾方:對本段前期實驗室階段採用的法幅值域無量綱處進行了分析,並研製了現場所使用的滾軸承故障檢測裝置,將無量綱參數診斷法應用於段修現場,且做了大量試驗;對于現場試驗中所出現的問題進行了分析,提出將聲發射的方法用於軸承的在線故障診斷;從上分析了聲發射現象,從應用的角度分析故障軸承的聲發射信號的特徵以及聲發射信號特徵的表示方法,並在實驗室中,採用法和聲發射法實時檢測的實驗數據進行了對比和分析,證明了使用聲發射法對軸承故障檢測的可行性和有效性。
  10. In this paper, at the cut - in spot of beam active vibration control and use the pzt material as the drive component, the main research works can be summarized as follows : 1 ) using the finite element theory, a general finite element formulation of piezoelectric media is derived, the direct and converse piezoelectric effects are considered in the formulation

    本文從梁的控制研究為切入點,利用了pzt材料作為驅元件,作了如下幾個方的研究: 1 )利用有限元,考慮壓電材料的正、逆壓電效應的影響,導出了機電耦合壓電元件的有限元方程。
  11. 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

    本文採用分析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? ?框支分區剪力墻高層商住樓的抗震性能及空間精細分析和簡化分析方法,主要內容為以下幾方: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,觀察了結構的破壞過程和地震反應,分析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大型有限元分析程序對結構進行了彈性時程分析;通過有限元分析與試驗結果的對比,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分樓板,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,是一種較想的有多道抗震防線的結構型式。
  12. A comprehensive introduction to the theory of dynamic stability is given. the concept of parametric resonance is introduced. the system differential equations ( mathieu - hill equations ) for dynamic stability analysis is derived

    力穩定作了全的介紹,引入了參數共的概念,並推導了力穩定問題的微分方程? ? mathieu - hill方程,對floquet作了簡單介紹。
  13. After analysis of the parameters of the devices, a conclusion is achieved that we can directly use the parameters of the dampers instead of devices to design the buildings in the common situation. then a one - freedom modal is used to compare the differences of performance between these two dampers under harmonic load. finally, three buildings, which are installed with viscoelastic dampers, viscous dampers and no dampers respectively, are analyzed using finite element method, time history method and response spectrum method, and the result is the same as that of harmonic analysis

    如果支撐剛度較小,應採用本文推倒的公式計算阻尼裝置的性能參數;利用單質點模型進行阻尼結構在簡諧荷載作用下的性能分析,並比較了粘彈性與粘滯阻尼結構在控制方的性能差異;最後利用數值方法分別對未安裝阻尼裝置結構,安裝了粘彈和粘滯阻尼裝置的三種結構進行了反應譜和時程分析,得到了與分析一致的結果。
  14. Furthermore, the isoline maps of mean wind pressure coefficients and rms wind pressure coefficients of the structure under various wind directions are plotted. in the matter of theoretical analysis, modeling with finite element method, using the local mean wind pressure coefficients and time history of fluctuating pressures determined in wind tunnel, the wind - induced dynamic responses for long - span grid roof structures are calculated in frequency domain and time domain separately

    分析方,建立合的有限元模型,利用剛性模型風洞試驗獲得的各種不同情況下屋各節點的平均風壓系數和脈風壓時程,在頻域內和時域內進行了大跨網架屋蓋結構的風響應分析。
  15. Considering the similitude law for shaking table test, we study the test results and obtain some conclusions which are a ) generally, the silty soil in test box liquefies and the liquefied time has relation with the amplitude of acceleration, b ) when the intensity is on and above eight degree, the silty soil deposit will be liquefied dramatically, c ) the relationship of the pore water pressure is relevant to the cycle loading which represents when the cycle loading ranges from little to great, the relationship is represent as a concave curve, or else as a protruding curve and tends to stability. ( 3 ) based on the triaxial compression test and the resonant column test, some studies are made such as a ) the duncan - chang parameters of constitutive model, b ) the dynamic shear modulus ratio and c ) the damping ratio of the site soil deposits. in order to deal with the test data, a computer program is compiled

    ( 2 )利用小型臺進行了k _ 0固結狀態下粉土的液化模擬研究,通過分析正弦荷載作用下的試驗資料,驗證了粉土的孔隙水壓力增長模式的合性;從微分方程推導了基於土體臺模型試驗的相似律,並從模型實體、孔壓時程曲線和相似律等方做出了分析,得出了如下結:在小型臺試驗中,模型箱中的粉土都發生了液化,液化的時刻和輸入加速度幅值有關,而對頻率的變化不太敏感;粉土在相當於8 9度地震烈度的加速度幅值作用下可能產生嚴重的液化;孔壓的增長曲線形狀與施加的荷載有關:當施加荷載為由小到大的形式時,曲線形狀為上凹的曲線;當施加荷載為等幅的正弦荷載或荷載幅值由大到小時,曲線形狀為上凸的曲線,且逐漸趨于穩定。
  16. Plate vibratory compactor is the same with building site roadbed and road shoulder road maintain n pitch road surface remedy and tamp of channel and trench, either auto timing tread or original tamp, manipulate simpleness and freely, work efficiency high. dynamic properties of the plate vibratory compactor are studied, and the compaction process is theoretically discussed in this paper

    平板夯適用於建築工地、路基路肩、道路維修、瀝青路修補及溝渠的夯實平整,既可自調速行走,也可原地夯實,操作簡單自如,工作效率高。為了探索平板夯在壓實過程中的力學特性,以便為平板夯的研製提供基礎。
  17. Based on an analysis of the chances and challenges faced by news publicity, it is asserted that a correct orientation for public opinion in educational news is crucial. the study on how to improve educational news publicity is carried out in the area to linkup theory and practice. to deal with the highly concerned issues in education is an important point in educational news publicity. another important function is the public supervisor

    教育事業的蓬勃發展,對新聞媒體提出了如何發揮好導向作用,興教育員任務的課題,本文分析了新聞宣傳臨的機遇和挑戰,指出堅持正確的教育新聞輿導向至關重要,並從與實踐相結合的角度探討如何提高教育新聞輿導向水平,提出正確引導教育熱點問題是教育新聞輿導向的重點,同時要發揮輿功能,實行輿監督。
  18. The study on the buffeting responses and damping measures of bridge pylon during construction, including the flowing parts that were the theory of buffeting wind - induced responses, calculation of the buffeting responses of yamen bridge pylon, the theory of vibration control, the tunnel test study on buffeting responses and damping measures of yamen bridge pylon

    橋塔獨塔施工階段抖響應分析及制措施的研究主要包括獨塔施工階段抖響應的與計算、結構控制措施的、風洞試驗研究等幾個方的內容。
  19. This project name is " basic technique research and vibration isolation theory with bionic mechanism for devices of high precision ". this thesis is mainly in two aspects : theoretical analysis and experimental research. it is composed of the characteristic of power transmission based on the smr model, control theory of vibration isolation for micro - manufacturing platform

    本學位文結合國家自然科學基金項目「精密裝置仿生隔系統及基礎技術研究」 ( no . 50075078 ) ,從分析和實驗研究兩方,對smr模型的功率傳遞特性、微製造隔平臺控制和主控制技術進行了深入、系統的研究。
  20. According to construction features of three - span prestressed concrete and continuous rigid frame box with v pier bridge, the paper demonstrates the shell finite element theories, c onstruct the spatial model, and researches its spatial stress and variable regularity under different loads including uniform load, concentrated load and prestressing force wire. morever, the paper studies vibratory modal of three - span prestressed concrete and continuous rigid frame box with v pier bridge, and sets about experimental investigation of the corresponding practical bridge

    本文根據典型的三跨預應力混凝土墩連續剛構橋的特點,提出採用板殼有限元法計算,建立其空間分析模型,研究該橋在不同荷載(均布恆載、集中活載、預應力束)支承條件下的空間受力特性和變化規律:探討了典型三跨預應力混凝土墩連續剛構橋的空間靜力特性及相應的模態;探索一般的平預測值與實際空間效應的差異,並進行相應的試驗研究。
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