非彈性狀態 的英文怎麼說

中文拼音 [fēidànxìngzhuàngtài]
非彈性狀態 英文
inelastic behavior
  • : Ⅰ名詞1 (錯誤) mistake; wrong; errors 2 (指非洲) short for africa 3 (姓氏) a surname Ⅱ動詞1 ...
  • : 彈名詞1. (彈子; 小球形的東西) ball; pellet 2. (內裝爆炸物, 具有破壞和殺傷能力的東西) bullet; bomb
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • : Ⅰ名詞1 (形狀) form; shape 2 (情況) state; condition; situation; circumstances 3 (陳述事件或...
  • : 名詞1. (形狀; 狀態) form; condition; appearance 2. [物理學] (物質結構的狀態或階段) state 3. [語言學] (一種語法范疇) voice
  • 狀態 : status; state; condition; state of affairs: (病的)危險狀態 critical condition; 戰爭狀態 state o...
  1. The current chinese foundation design code gbj7 - 89 use limit equilibrium theoiy with elastic soil stress distribution to give out bearing capacity design value calculating fonnula and use elastic soil model to evaluate foundation settlement. according to the above theories, code gbj7 - 89 gives the correlative terms. but these do not accord with the practical mechanism of loaded soil below the shallow foundation and the elastoplastic property of natural soil so defects exist

    我國現行規范gbj7 - 89將這兩者分開考慮,其計算地基承載力設計值的公式是根據地基中應力分佈及土的極限平衡理論為依據而得出的,求地基的沉降變形時則視土體為,這些理論對地基及土的假設與淺基礎地基的實際工作及天然土體的存在一定的偏差。
  2. Roll over protective structure ( rops ) is a device which installs on out of construction vehicle. the main functions are : when the vehicle rolling over. rops can prevent the vehicle from rolling over further, and reduce the possibility of rolling vehicle injures operator ; when the vehicle traveling on freezing soil. concrete and rock, it has large resist continuous impact ability ; when the vehicle overturning rops can support the whole vehicle. arrangement of falling object protective structure ( fops ) can block objects ( such as trees, rocks ) so that supply protection for operator. this problem is that research rolling over and falling objects protective structure of bulldozer by learning research condition of rops / fops and relative lay down international standard. on the base of theory analysis. detrudes counting formula of rops / fops deformation through founding mechanics analysis model of rops / fops at the stage of elasticity and plastoelastic. and finds a set of feasible nonlinear finite element analysis counting. lt calculates rops / fops plastoelastic deforma variable of 320hp bulldozer, bulldozer has been carried out by optimizing design method

    其主要功能是:當車輛滾翻時, rops能刺入未凍土壤而阻止車輛的進一步滾翻,降低滾翻的車輛對系著安全帶司機軋傷的可能;保證rops在碰撞和沖擊變形不大的地面(如凍土、混疑土上、巖石)時,能具有相當大的抗連續沖擊能力;當車輛已經處于顛覆時,已經變形的rops應能支撐住整車。落物保護裝置(簡稱fops ) ,其構件的布置方式要能遮蔽墜落的物體(如,樹木、巖石等) ,以便對司機提供適當的保護。本課題主要通過了解國內外有關對rops fops的研究情況和有關國際標準的制定,對大型推土機傾翻和落物保護裝置進行研究,在理論分析的基礎上,通過建立rops fops的力學分析模型,推導階段rops fops變形的計算公式,建立一套可行的rops fops的有限元分析計算方法。
  3. It is generally impossible to obtain the analytic optimal guidance law for complex nonlinear guidance systems of homing missiles, and the open loop optimal guidance law is often obtained by numerical methods, which can not be used directly in practice. the neural networks are trained off - line using the optimal trajectory of the missile produced by the numerical open loop optimal guidance law, and then, the converged neural networks are used on - line as the feedback optimal guidance law in real - time. the research shows that different selections of the neural networks inputs, such as the system state variables or the rate of los ( line of sight ), may have great effect on the performances of the guidance systems for homing missiles. the robustness for several guidance laws is investigated by simulations, and the modular neural networks architectures are used to increase the approximating and generalizing abilities in the large state space. some useful conclusions are obtained by simulation results

    對于復雜的制導系統,很難求得其解析的最優制導律,只能求得開環的數字解,不能適用於具有時變不確定的導制導系統.利用神經網路的學習和推廣能力,對開環的數字最優制導律進行離線的學習,作為閉環的神經最優制導律在線應用.研究分別選擇系統變量和視線角速率等不同的神經網路輸入對制導系統能的影響,以及各種制導律的魯棒問題,並採用模塊化神經網路結構提高神經網路的學習和推廣能力,模擬結果得到一些有益的結論
  4. In this paper, the large non linear fem software marc be used to calculate the 3d deformed distribution of the cold roll forming machine frame, slide seat and bolster plate

    摘要以大型有限元軟體marc為分析工具,建立接觸分析模型,對冷滾軋機床機架、滑臺及墊板進行三維有限元接觸分析,給出機床三維變形的定量描述。
  5. Non - axisymmetric problem : two independent sets of the state vector equations are derived from its governing equations in a cylindrical coordinate system by introducing a set of auxiliary variables

    壓電壓磁材料的空間軸對稱問題:在柱坐標下,通過引入一組輔助變量,從它的控制方程推導出兩組相互獨立的變量方程。
  6. The treatments simplifies greatly the solution programs which are often performed to solving non - homogeneous equation and second order differential equation on the thermal equilibrium and gradient relationship and the workload of numerical computation at same time

    這類方法大大簡化了人們在分析壓電熱體耦合問題時通常要求解的齊次微分方程和關于溫度的平衡方程和導熱方程的二階微分方程的繁瑣方法,同時,齊次方程的提出大大減少了數值計算的工作量。
  7. In the paper, static and dynamic triaxial tests were conducted on fiy ash at shanmenxia longgou ash dam, and the static and dynamic parameters of fly ash were obtained. thirdly the 2 dimensions static analysis of the ash dam was conducted based on biot ' s consolidation theory and duncan ' s nonlinear stress - strain model. finally the plane dynamic behaviors of the ash dam during earthquake of intensity 7 were analyzed based on the exponent function model of excess pore water pressure aroused by earthquake, which is put forward in the paper, and equivalent visco - elastic dynamic fem model and principle of effective stress

    本文結合實際工程,對三門峽火電廠龍溝灰壩的築壩粉煤灰進行了靜、動三軸試驗,確定了該壩粉煤灰的靜動力學指標;然後根據比奧( biot )固結有效應力原理,採用鄧肯( duncan )應力應變模型,對該灰壩的二維靜力應力和變形進行了分析;最後利用本文提出的地震超靜孔壓指數函數模型,採用等價粘動力有限元方法,對該灰壩在地震作用下的動力穩定進行了分析評述。
  8. Taking the bending stiffness, cable sag and cable inclination into consideration, the space vibration control of the cables using the visco - elastic dampers in cable - stayed bridges is investigated by joining the center difference method and the state space strategy. both the maximum modal damping ration and the optimal damper size are obtained, then the practical suggestions are proposed for the design of the dampers. the space nonlinear vibration equations of the cable - damper system are derived, and a new hybrid method for solving the cable - damper system is presented by combing the newmark method and pseudo - force technology

    綜合考慮了拉索抗彎剛度、垂度的影響,研究了粘阻尼器對斜拉橋拉索的空間振動控制,聯合中心差分方法及空間法,得出了拉索麵內、外振動各階模可能達到的最大阻尼比及相應的最優阻尼器系數,並對斜拉橋拉索的阻尼器設計提出了參考建議:考慮拉索抗彎剛度、垂度及幾何,導出了索-阻尼器系統的空間振動方程組,結合newmark方法及偽力( pseudo - force )方法,創新地提出了求解方程組的雜交方法,根據拉索-阻尼器系統的阻尼特,在各種荷載作用下,對索-阻尼器系統的振動響應進行了研究,從系統響應的角度更加直接地驗證了阻尼器的控制效果。
  9. In the paper, active control to rotor vibration with sma is studied : 1 ) the material performance of sma, especially the coupled relation of strain, stress and temperature, is studied in nonlinear coupled thermoelasticity theory and the linear result is modified ; 2 ) the nonlinear dynamic behavior of rotor system with sma bearing is studied in the nonlinear theory and the dynamic stability theory and the deference of the soft / hard nonlinear system is pointed out

    1 )運用耦合理論研究記憶合金材料的力學能,特別是應力、應變和溫度三者之間的耦合關系,改進了原有的線結果。 2 )運用理論和運動穩定理論研究帶有記憶合金支承的轉子系統在定常動力學行為,指出了軟、硬系統的區別。
  10. The parameters are measured respectively during the experimental process, such as bearing capacity, deformation, strain and so on. it concludes that when the other conditions is equal, the limit bearing capacity of the concrete filled steel tube long column subjected to axial compress is reduced along with the long diameter ratio increased

    從試驗結果可以看出:鋼管混凝土軸心受壓長柱的穩定承載力,在其他條件相同時隨長細比的增大而逐漸降低;試件在最大承載力下,鋼管表面的平均縱向應變已超過鋼管的屈服應變值,破壞呈現為失穩破壞。
  11. Consequencely, the analysis and assessment system of the operating state of the concrete dam was developed under the ansys development environment, and the back - analysis and the prediction of the parameters of the dam system have been done according to the operating observed data. the research work involves several aspects as follows : 1 ) a back - analysis model including the prior information and a predictive model of nonlinear time series were established ; 2 ) the analysis and assessment system of the operating state of the concrete dam was developed under the ansys development environment, in which the analysis module of the loading effects, the back - analysis module, the forecasting module of the physical parameters and the assessment module of the operating state were contained ; 3 ) according to the operating observed data, the operating state of the dam was assessed and predicted with the analysis system of the operating state, the results suggested that the dam is in basically normal operation at present

    具體工作有以下幾方面: 1 )收集整理漫灣水電站大壩運行監測資料,並對其進行了系統分析,從觀測資料本身直觀的分析了大壩的運行況; 2 )總結位移反分析的理論及方法,建立了考慮先驗信息多介質位移反分析模型,基於神經網路映射功能,建立了神經網路時間序列預測模型; 3 )以ansys軟體為平臺,開發了漫灣水電站砼重力壩運行評價模塊,結合荷載效應分析、參數反演分析、參數預測分析三個模塊組成漫灣水電站砼重力壩運行分析系統;實現了對漫灣水電站運行的動「反演-預測」分析; 4 )利用漫灣水電站砼重力壩運行分析系統,在漫灣大壩實測資料分析、大壩砼特參數反分析、大壩砼模量衰變規律及預測分析的基礎上,系統的分析並預測了大壩運行
  12. The paper studied controlling rotor vibration with the super - elasticity of sma and sfd, set up the new equation of sys tern vibration according to the stress - strain curve of sma in super - elasticity state, used the nonlinear theory and the dynamic stability theory to study the vibration of rotor controlled by sma, discussed the stability condition of the system, obtained the relationship of system parameters when bifurcation was appeared, supposed a method that improves the stability of rotor system and restrains vibration amplitude though changing parameters, and finally validated the effect of restraining vibration of the improved system through emulation

    摘要研究利用形記憶合金的超和擠壓油膜阻尼器控制轉子振動,利用形記憶合金在超下的應力應變曲線,建立了新的系統振動方程,運用理論和運動穩定理論研究轉子在形記憶合金控制下的振動,討論了系統的穩定條件,獲得系統發生分岔時系統參數之間的關系;並提出了通過改變參數來提高系統穩定和抑制振幅的方法,最後通過模擬驗證了改進后的系統振動抑制效果。
  13. The way to eliminate chaos phenomenon through adjusting system parameters is indicated. the nonlinear dynamic behavior of journal bearing - rotor system in large parameter space is studied in numerical integral method and floquet theory and the first and second bifurcation behavior of nonlinear rotor system are discussed ; the concept is advanced that realizing the controllable nonlinear stiffness with sfd with the soft - nonlinear of sma in the super - elasticity state to make the vibration amplitude of system always be in the small solution state to reduce the vibration amplitude of rotor system

    運用數值積分方法結合floquet理論對滑動軸承-轉子系統的大參數范圍動力學特進行了全面的研究,詳細地討論了系統的一次和二次分岔行為; 5 )提出了用形記憶合金在超下的軟,結合擠壓油膜阻尼器實現系統剛可控,降低系統在定常下的最大振幅的構想。
  14. It is achieved the common work of pile - soil - structure on nsas by using nonlinear bars from single pile calculation as the structure boundaries. the results show that under some 3 - d loading conditions, significant error can be induced due to the nonlinear characteristic of pile, simply using a nonlinear spring from single pile calculation as the structure boundaries

    在三維受力下,由於樁周土的,迭加原理不再適合,而目前許多有限元程序只是簡單地把單樁計算得到樁頭等效簧作為結構的邊界條件,這樣將導致出現比較大的偏差。
  15. The deformation and the change of the performance of the air spring on various conditions were analyzed by application of the finite element method

    運用有限元分析軟體在充分考慮材料、幾何的條件下,分析了在不同情況下空氣簧的變形情況以及靜剛度等能的變化。
  16. In fact, the investigation of earthquake disaster shows that it is true. first, there are inelastic deformations of structures after intensive earthquake. second, there are permanent deformations of structures after intensive earthquake

    事實上,震害調查結果表明,結構物在強烈地震作用下,確實曾進入工作,具體表現有:裂縫或其它形式的變形發生、經歷地震後有永久變形存在等等。
  17. Then, use galerkin principle to put the stability equation in order for the special function the mathieu standard form, and utilize the boundary of the mathieu solves ’ steady area and unsteady area, namely special relationships of and, draw the discrimination equation of losing the magnetoelastic steady critical state

    然後,應用galerkin原理將穩定方程整理為特殊函數馬丟方程的標準形式,並利用馬丟方程的穩定解區域與穩定解區域的分界,即系數和的本徵值關系得出了磁最低失穩臨界的判別方程。
  18. At last, the analysis of the redistribution of the initial crust stress and the distribution of the plastic area is made ; the stability evaluation of the rock mass around the cavern is provided. the outcome is conformed with the reality. then applys the approximately equivalent dissolved rule, and considers the action of anchor staff to consolidate the rock mass, and correspond model is established, nonlinear finite element m ethod is applied to analyze the effect of the supports, the result shows that the action of anchor staff is obvious and deformation and stress state of the rock mass is greatly approved. so, the result conforms that the idea and the means used in the thesis is applicable

    最後運用有限元對廠房開挖后圍巖的應力重分佈和塑開展區的分佈作了分析,評價了廠房的圍巖穩定,其結果與實際開挖情況基本吻合,針對圍巖穩定評價的結果,提出了錨固方案,運用等效概化原理考慮錨桿的作用,建立了採用系統錨桿加固后的地下廠房圍巖的三維模型,運用有限元分析了加固效果,結果表明錨固作用明顯,圍巖變形明顯減小,圍巖內的應力大為改善,從而驗證了本文所採用的研究思想和方法是切實可行的。
  19. The character of some piles, maybe all the piles, in piled raft foundation is nonlinear, so elastic theory can not be used to calculate the settlement of piled raft foundation

    沉降控制復合樁基工作時部分或全部樁達到一定程度的,因此不宜採用理論來計算基礎的沉降。
  20. In this paper seismic analysis method of large complex structures such as bridges, tall buildings, subjected to stationary random ground excitations is investigated for which the non - linear elasto - plastic characters of some components is taken into account

    本文對于在平穩隨機地震激勵下部分構件進入工作的大型復雜結構(如橋梁、高層建築等)進行抗震分析。
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