塑性非彈性的 的英文怎麼說

中文拼音 [xìngfēidànxìngde]
塑性非彈性的 英文
plasto inelastic
  • : 動詞(塑造) model; mould
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • : 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
  • : 4次方是 The fourth power of 2 is direction
  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公式是根據地基中應力分佈及土極限平衡狀態理論為依據而得出,求地基沉降變形時則視土體為,這些理論對地基及土假設與淺基礎地基實際工作狀態及天然土體存在一定偏差。
  2. And the rock mass as the main object of most engineering practice is developed by all kinds of geotechnical action and force in the long geology history to the complex characteristic of continuous medium, crannied medium and granular medium, to the anisotropic and heterogeneous entity with elasticity, plasticity, viscidity, creepocity and rheology

    作為主要工程對象巖體是在漫長地質歷史發展過程中經受各種地質營力作用而形成成因和構造復雜,巖多樣且包含了連續介質,裂隙介質和散體介質特徵,兼有、粘、流變各向異均質地質體。
  3. 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進一步滾翻,降低滾翻車輛對系著安全帶司機軋傷可能;保證rops在碰撞和沖擊變形不大地面(如凍土、混疑土上、巖石)時,能具有相當大抗連續沖擊能力;當車輛已經處于顛覆狀態時,已經變形rops應能支撐住整車。落物保護裝置(簡稱fops ) ,其構件布置方式要能遮蔽墜落物體(如,樹木、巖石等) ,以便對司機提供適當保護。本課題主要通過了解國內外有關對rops fops研究情況和有關國際標準制定,對大型推土機傾翻和落物保護裝置進行研究,在理論分析基礎上,通過建立rops fops力學分析模型,推導階段rops fops變形計算公式,建立一套可行rops fops有限元分析計算方法。
  4. Based upon virtual displacement method and the updated - lagrangian approach, stiffness matrices for two - dimensional elastic - plastic beam model in large displacement were proposed, in the derivation of which transverse stress was included because it was believed that part of the 2nd order effects of various stresses, which are in equilibrium with each other and with the external loads, will counteract each other and neglecting either part would possibly lead to incorrect results

    利用虛位移原理和更新拉格朗日方法,導出了大位移梁單元剛度矩陣顯式表達式,在剛度矩陣推導中引入了截面內剪應力和橫向應力影響,剛度矩陣通過了剛體檢驗。之所以要引入橫向應力影響,是因為本文認為,保持平衡所需所有應力,它們各自二階效應會相互抵消,因此忽略其中任何一項都可能導致不正確結果。
  5. Doctor candidate : yan qiwu supervisor : prof. slien pllsheng iii this thesis, a systematic theory on spatial elastic - plastic time - history analysis of reinforced concrete frame - tube structures tinder strong multiple earthquake excitations is established. covering problems about materal, rnember and structural system considering about the nonlinearity of material, geometry and boundary

    木文考慮了材料、幾何、邊界,建立了從材料、構件到結構一個較為系統鋼筋砼框筒結構在多維地震波作用下空間時程分析理論。
  6. In order to develop and consummate the analysis theory and calculation method of base - isolated structures, based on the research on restoring force model of isolation systems and the analysis on the nonlinear seismic response of base - isolated structures, the analysis on multi - dimensional and lateral - torsional coupled seismic response of base - isolated structures is developed in this paper. according to the mechanical performance of isolation systems, detailed analysis and improvement of the present research, an unilateral and a bilateral coupled visco - elastic hysteretic model for rubber bearings, an unilateral and a bilateral coupled visco - elasto - plastic differential hysteretic model for lead rubber bearings, an unilateral and a bilateral coupled modified visco - plastic differential hysteretic model for sliding friction bearings are proposed

    為進一步發展和完善基礎隔震結構分析理論和計算方法,本文以隔震系統恢復力模型研究及基礎隔震結構地震反應分析為基礎,對基礎隔震結構多維地震反應及平?扭耦聯地震反應開展了以下幾方面研究工作:根據隔震系統力學特點,在現有研究成果基礎上,對隔震系統恢復力計算模型進行了改進和創新,提出了普通疊層橡膠支座單向及雙向耦合粘恢復力計算模型,鉛芯疊層橡膠支座單向及雙向耦合粘微分型恢復力計算模型,摩擦滑動支座單向及雙向耦合修正粘微分型恢復力計算模型。
  7. Performance for a piezoresistive transducer pressure sensor to thermal and pressure environments can be predicted by finite element method. a simplified 1 / 8 model, considering silicon dioxide and nitride process as well as stack anodic bonding and adhesive bonding processes, was developed. the fem results were found to be comparable to experimental data. case studies suggested that pyrex stack induces certain amount of non - linearity, while it isolates hard epoxy nonlinear effect. flexible epoxy bonding or soft adhesive bonding is preferred to the packaging process. the viscoelasticity and viscoplasticity of bonding material will result in hysteresis and drift errors to sensor output. however, soft adhesive s influence on sensor can be ignored under relative stable environments. more over, detailed design and process information will help to improve modeling application

    熱、壓環境下壓阻變換壓力傳感器能可以通過有限元方法預測.這里研究了簡化1 / 8模型,模型考慮了二氧化硅和氮化硅生成過程及堆陽極鍵合和膠粘結合過程.結果發現有限元預測結果和實驗數據具有可比.範例研究表明,硼硅堆導致產生一定,但它隔離了硬環氧樹脂.在包裝過程中最好使用柔環氧黏合或軟黏膠結合.黏合材料和黏將會導致傳感器輸出滯后和漂移誤差.然而,在相對穩定環境下,軟黏合劑對傳感器影響可以忽略.此外,詳細設計和過程信息有助於提高模型適用
  8. Measured results from in - site loading tests in tannin harbor and from in - door model tests were compared with predictions from the limit equilibrium methods. a method of estimating the bearing capacity for inhomogeneous medium was suggested to meet every case ; 4. according to the results from model tests, the elastoplastic fem were performed to study the procession of the change of the stress and strain in inhomogeneous medium and to simulate the procession of the forming of the failure surface during loading, and the failure mechanism was studied ; 5

    4 、結合模型試驗結果,確定出了符合均質介質規律模式,在此基礎上分別運用二維、三維有限元程序,模擬出了外荷載作用過程中均質介質內部應力、變形以及破壞面發展過程,分析得出了均質介質地基破壞機理; 5 、在港口工程地基設計當中,已經引入了可靠度理論計算分析基礎穩定
  9. Associated with a project of the planned xuefengshan tunnel with 7. 6 km long during the construction of shaoyang to huaihua expressway in hunan province of shanghai to ruili national trunk highway, this paper firstly makes an introduction of the frequently - used analysis & computation methods for tunnel supporting structure. then, based on the analysis of the basic theory about the interaction mechanism of surrounding rock and support structure, a spatial computation model is made, a coupling numerical computation method with 3 - d elastic - plastic finite element and infinite element is proposed, and a comprehensive analysis has been made to the effects of the overall stability and safety of the surrounding rocks of different characteristics, different classes and under different construction methods. and thus the problem of 3 - d infinite region to which applying the general finite ca n ' t do has been resolved

    6公里雪峰山隧道工程,首先介紹了隧道支護結構常用分析計算方法;然後通過對隧道施工過程中,洞室穩定與支護結構相互作用機理深入分析,建立了隧道施工過程空間計算模型,提出了採用三維有限元-無限元耦合數值計算方法,綜合分析了隧道在不同圍巖特和圍巖類別條件下,以及不同施工開挖方案等對隧道圍巖整體穩定和安全影響,從而解決了通用有限元方法難以解決隧道三維無限域問題;其可充分發揮有限元法在分析方面有效和成熟,以及無限元法在分析處理無限域和半無限域方面精確和簡便,為隧道施工過程中圍巖穩定分析開辟了一條新途徑。
  10. Paper study the demolish process of high buildings with the nonlinear dynamic program of three - dimension. with the increase of earthquake motion, the f100r that takes the greatest distortion is changed

    在開發運用三維程序canny基礎上,對高層結構進行動力響應分析,研究了高層建築破壞過程。
  11. I. a mtil ( iaxial elastic - plastic hardening - sofling constitutive model of concrete is proposed iii order to offer a nonlinear material model of concrete for space restoring force analysis of reinforced concrete members taking into account the softening behavior of concrete. the concrete material model is incorporated the elastic - plastic hardening fracturing constitutive model of concrete with the plastic - fracturing theory of concrete, modified without defining two loading functiomis, and based on five parameter power function failure criterion proposed by guo zheng - hai etc from tsingliua ( jniversity, or three parameter unified strength theory proposed by yu mao - hong from x ian iiaotong university

    1 、將砼硬化斷裂本構模型與斷裂理論結合起來,並加以改進,但無需定義兩個加載面,以清華大學過鎮海建議五參數冪函數或以西安交通大學俞茂宏建議,參數統一強度理論作為砼強度破壞準則,建立了砼多軸硬化松馳本構模型,能為鋼筋砼構件空間恢復力分析提供砼材料模型,並能反映砼材料軟化段。
  12. This paper studies nonlinear dynamic problems of tall building structures, first, constitutes linear dynamic equation and elasto - plastic dynamic equation of structure by using qr method, later, solves the dynamic equation by using spline unconditional stable algorithm, last, programs corresponding computer programs with c program language, and calculates some example and a tall building in constructing the courses and the results prove that qr method is not only simple in calculating and fast in constringency rate, but also precise, that qr method is a effective and economic new method

    本文研究高層建築結構動力問題,先利用qr法建立了結構線動力方程及動力方程,然後利用樣條無條件穩定演算法求解了動力方程,最後利用c語言編寫了相應計算程序,計算了一些例題和分析了一個工程實例。 qr法在理論上及方法上不用有限元法及流動法則,避免了這些傳統方法在分析問題時所帶來巨大困難缺陷。計算結果表明,這種方法不僅計算簡便,而且精度高,收斂速度快,是一種經濟有效新方法。
  13. In order to solve the static, dynamic and material nonlinear problems of mega - frame structure, this paper analyzes mega - frame structure by qr - method and sets up a new computational form. in this paper, the author adopts the method of repeated increment and no limit stabilization to handle t he elastic - plastic rigid equation and dynamic equation

    然後,利用qr法對巨型框架結構進行分析,解決該結構靜力、動力及材料問題,利用增量迭代法及樣條無條件穩定演算法分別求解剛度方程及動力方程,建立了高層巨型框架結構分析計算格式。
  14. The study demonstrated that linear visco - elastic parameters of rheological models built by theoretical modeling methods were constant while nonlinear visco - elastic parameters were not constant and changed as stress level changed and that visco - plastic parameters determined the shape of stress - strain curve

    研究表明:運用模型理論建立流變模型參數在低應力水平下是惟一,但參數不惟一,並隨應力水平變化而變化,而粘參數大小決定了應力應變等時曲線形狀。
  15. It ' s an ideal structural system and has multi - earthquake resistance ability because of a great deal of slabs removed in floors above the transfer - story amended the lateral stiffness of the stories near the transfer - story. based on the available references, the five - spring line element, the three - spring line element and the multiple vertical - line - element model are introduced to model special column, beam and shear - wall, the relevant stiffness matrixes are deduced and the restoring - force models are gaven to deep into the elasto - plastic seismic characteristics of the structure. acording to the results of shaking table test and elastic finite element analysis, a new making model melhod is presented in which uses the linear and the nonlinear element and the assumption that the floor is infinitely rigid in different areas

    為進一步研究這種復雜高層建築結構能,本文在國內外現有研究基礎上,提出利用五簧桿元、三簧桿元及多豎線單元模型分別模擬空間柱、梁和剪力墻,推導了相應剛度矩陣並給出了恢復力模型;結合試驗研究和精細有限元分析結論,提出線單元相結合,剛樓板假定和樓板相結合建模方法,較好地解決了空間結構分析中佔用計算機資源較多問題;接力大型有限元分析程序? ? ansys ,在上述建模思路指導下建立了結構空間分析模型,進行了空間三維時程分析。
  16. Although strict design calculations are made to guarantee the members have sufficient strength in their work life, yet dash and improper loads may damage them during construction and in service. these damages include elastic - plastic bending and local dent in the walls of the tube. in addition, corrosive medium such as atmosphere and contaminated water can also bring corrosion damage in the walls of the tube

    雖然都經過嚴格設計計算,以保證其在使用壽命期內有足夠強度,但在安裝施工和使用期間,往往因受到沖撞和正常荷載而產生彎曲和凹陷等損傷,此外大氣、受污染水分等腐蝕介質也可能在管壁上產生腐蝕損傷。
  17. According to the documentation collected from domestic and abroad wang wei dong who works in huadong architect and structure institute utilizes the similar work property between the underground continuous wall and pile subjected the vertical loads, and introduces poulos method of elasticity and plastic which applies to pile foundation into the calculation for subsidence of underground continuous wall. pujialiu and yu yuzhou from water and electronic engineering of qinghua university, according to the result of three axes, define the concrete parameter utilize the model of non - linear e - b combined with the design cross section of dam in xiaolangdi, yellow river accept the total stress programme of thepd dam, and we analyze the stress and displacement of plastic concrete diaphragm wall by finite element method in comparison with the result of common concrete one. at same time, we consider the effect of the character of plastic concrete diaphragm wall which is composed of different gradients and adopting the level of stress and pulling stress infers whether the plastic concrete diaphragm wall is safe or not

    地下連續墻是一種歷史較短施工方法,目前,砼防滲墻設計還是以傳統設計方法為主,根據查找國內外文獻資料,華東建築設計院王衛東利用地下連續墻與樁在豎向荷載作用下工作能有相似,將適用於樁基poulos理論引入對地下連續墻沉降計算中;清華大學水利水電工程系濮家騮、于玉貞根據三軸試驗結果確定混凝土參數,利用e - b模型,結合黃河小浪底土石壩設計剖面,採用thepd土石壩總應力程序,對深覆蓋層混凝土防滲墻應力、位移進行有限元分析,並與普通混凝土防滲墻計算結果加以對比,同時分析了不同配比混凝土特影響,並採用應力水平和拉應力數值來判斷混凝土防滲墻安全程度。
  18. The effect of different sizes of sections, modes and values of residual stresses are studied. through the analysis, the conclusion is arrived at that the universal slenderness ratio should be used to better correlate the stability of box section beams with the member length instead of the out - of - plane slenderness, and the stability coefficient is taken to be 1. 0 for practical used box girder. then, the elastic critical loads of box section beam - columns are obtained based on the gjelsvik theory, and the relationship between axis force p and moment m is given

    最後,運用ansys通用有限元程序beam189單元,引入初彎曲和殘余應力影響,用考慮幾何和材料雙重有限元求解格式求得箱形柱在不同軸力和彎矩比例作用下極限承載力,通過對十幾個不同截面尺寸構件在不同長細比下承載力計算,發現在軸力p遠大於彎矩m時,構件將是平面外失穩控制,而當軸力p遠小於彎矩m時,構件則以平面內失穩為主。
  19. It is suggested that the true triaxial test under different stress paths should be performed to derive reasonable anisotropic yield criterion and further to develop nonlinear anisotropic elastic - plastic constitutive model

    建議通過復雜應力條件下不同應力路徑真三軸試驗,建立合理各向異屈服準則,進而建立各向異模型。
  20. In the paper, nonlinear finite element method ( fem ) analysis of multi - planar joints of steel tubular members has been realized by ansys software. it traces the whole process of stress - strain of total loading stages, and the ultimate bearing capacity of the joints is gained

    本文利用ansys有限元程序實現了對鋼管相貫節點分析,跟蹤結構在整個加載階段各點應力、應變變化過程,求出了節點極限承載力。
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