塑性帶 的英文怎麼說

中文拼音 [xìngdài]
塑性帶 英文
plastic zone
  • : 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 ...
  1. Based on the studies of petrotexture, structural deformation and the relevant metamorphism, this paper indicates that this peridotite massif is the product of ultramafic magma cumulated at the crust - mantle transtion zone and has undergone the early stage of plastic deformation under the condition of granulite facies ( 800 ) and late ductile shearing at amphibolite and greenschist facies in relevance to uplifting

    本文通過巖體的結構、構造變形及相應的變質作用研究,提出了該橄欖巖體是由超基巖漿在殼幔過渡結晶而成,並經歷了與圍巖一致的麻粒巖相( 800 )條件下的早期變形以及角閃巖相和綠片巖相退化變質條件下與逆沖上升有關的韌剪切變形。
  2. A side effect of increasing genetic variance following disruptive selection is often greater genetic flexibility of the population.

    經分裂選擇后遺傳變量增加的附作用,往往使種群的遺傳可有所增加。
  3. A side effect of increasing genetic variance following disruptive selection often causes greater genetic flexibility of the population.

    經分裂選擇后遺傳變量增加的附作用,往往使種群的遺傳可有所增加。
  4. 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狀態時,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,推導彈、彈階段rops fops變形的計算公式,建立一套可行的rops fops的非線有限元分析計算方法。
  5. Insert nut is designed for rapid installing into thermo - plastics by means of ultrasound. its two opposite helical knurl bands provide a combination of high torque and pulling out resistance

    壓入式螺母通過加熱或利用超音波可快速安裝到熱料中,它的兩道相反旋向的壓花可提供較高的抗扭轉和抗拉拔能力
  6. Meanwhile, by using delaminating combination finite element method and macro finite element analysis methods, the paper present two kinds of analysis programs. based on the aforementioned analysis program, the failure form, distribution of plastic hinge, load - carrying capacity, displacement and ductility characteristics are investigated to reveal the failure mechanism and the failure proceeding under seismic effects. the results are in good agreement with the test results, indicating the precision of the aforementioned two programs is satisfiable to the practical engineering design

    分別採用分層組合式有限元和宏觀有限元分析方法,編寫了2種鋼筋混凝土中高邊框柱剪力墻結構的彈有限元分析程序,同時利用上述2種分析程序,研究了模型結構的破壞形態、鉸的分佈、承載力、位移及延能等特,探討了這類結構在地震作用下的破壞全過程與破壞機理,得到其主要受力特和抗震能的一般規律,所得結果與試驗值吻合較好,表明上述2種程序分析結果的精度均可滿足實際工程的設計要求,因此可用於這類結構的抗震能分析與設計。
  7. Divided into two, three, four, five series, uses superelevation brightness led to coordinate with the plastic linear manufactured with the pvc material decorating lamps and lanterns, is one kind of new illumination photosource which emerges in the last few years, belongs to the cold photosource, through the chip control, may realize changes gradually, the jump, the color glitters, stochastically glitters, changes gradually, pursues, the scanning in turn and so on the mobile color change

    Led燈飾產品應用實例柔系列:分為二線三線四線五線系列,採用超高亮度led配合pvc材料製造的可線型裝飾燈具,是近幾年來興起的一種新型照明光源,屬于冷光源的一種,通過晶元控制,可實現漸變跳變色彩閃爍隨機閃爍漸變交替追逐掃描等流動顏色變化。
  8. The result showed the difference of mechanical properties of hsla steel results from the troostite and banded structure which are closely relative to mamgamese content

    結果表明屈氏體組織以及狀組織是造成低合金鋼板強度、差異主要原因,而屈氏體組織、狀組織的產生和錳含量有很大關系。
  9. Expansive soil is one kind of high plasticity clay which may bring civil engineering heavy damage. it may make construction, especially the engineering of high - type roadbed, appear failure deformation. it is a kind of long - term latent danger to people ' s life

    膨脹土是一種會給工程來嚴重破壞的高粘土,特別是對高等級公路路基工程和大型結構物所產生的變形破壞作用,往往具有長期、潛在的危險。
  10. The following conclusions are gained : ( 1 ) the located shear band prongs the ligament near the top crack tip and the structure may occur shear - mode fracture at the angle of 155 ? to crack when load is 87. 92mpa ; the mode of fracture of the flange joint structure is not possible to be void - mode ; ( 2 ) it is proved that loading and then unloading repeatedly can not increase the possibility of invalidation of the structure when the times of loading and unloading are not too more when load is operating pressure ; the structure is safe when the vessel is operating ; ( 3 ) in the fe model of the thesis, not considering the influence of water pressure test which is in the process of fabrication of vessel in fe results in larger deviation in analysi

    得出了以下結論:在8792mpa的載荷下筒體一封頭連接結構處的集中剪切貫穿韌,可能發生沿與原裂紋線成155 「角方向剪切型斷裂;筒體一封頭連接結構不可能發生韌窩型斷裂; ( 2 )在工作壓力下進行次數不多的反復加、卸載,結構不會破壞,也不會喪失安定:結構在工作狀態下是安全的; m在本文的彈有限元模擬計算中,對于裂紋尖端進行力學分析時,不考慮壓力容器製造過程中水壓試驗的影響,將導致計算結果出現較大的偏差; ( 4 )筒體完全屈服時的載荷為92石3mpa ,封頭完全屈服時載荷為86
  11. 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應力場的級數解,並應用斷裂力學方法確定裂紋尖端的應力強度因子;引入當量屈服應力考慮裂尖區的影響,提出基於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間相互作用對應力場的影響;通過數值計算詳細討論了結構尺寸和裂紋之間位置關系對應力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應用具有實用價值的結論。
  12. The modifiable areal unit problem of spatial heterogeneity of vegetation communities in the transitional zone between oasis and desert

    荒漠綠洲過渡植被空間異質的可面積單元問題
  13. Method of determining the plastic strain ratio for metallic sheet and strip

    測定金屬薄板材和材用應變比試驗方法
  14. Aiming at the shortages and demerits in the study of constitutive relationship of concrete based on elastic - plastic mechanics, damage expressions of concrete subjected to uniaxial tension - compression was deduced based on damage mechanics, and general damage evolution equation of concrete in bending state was received also

    摘要針對彈力學研究混凝土本構問題來的不足和缺陷,運用損傷力學的方法,導出混凝土在單軸拉、壓狀態下的損傷表達式,得到了混凝土在彎曲狀態下的統一的損傷演化方程。
  15. 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彈動力問題,先利用qr法建立了結構線動力方程及彈動力方程,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語言編寫了相應的計算程序,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非線問題時所來巨大困難的缺陷。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,是一種經濟有效的新方法。
  16. Regard yield function as temperature and plastic strain ' s function, the deflection of simply - supported slabs under fire are analyses by coordinate finite element. the computing results show in good agreement with the results of tests. it is demonstrated that the method and the computer programs are reliable

    理論分析主要是採用二維有限元分析了構件截面溫度場;採用拖坐標描述法的有限元格式,在考慮了在時間步內屈服面是溫度和的函數基礎上,分析了簡支板在火災作用下的變形規律,所得結果與試驗吻合較好。
  17. R metallic materials - sheet and strip - determination of plastic strain ratio r - values

    金屬薄板和薄應變比
  18. In consideration of the characteristics of big pressure changes in near wellbore area of low permeability reservoirs, based on experimental result, a single well percolation mathematical model that the reservoir physical property changed with effective stress was established, equations were given for calculating the elastics and elastoplastic reservoirs under the condition of oil and water flow and an analytical equation was also given for calculating the reservoir production and bottom - hole flowing pressure

    摘要針對低滲油藏近井地壓力變化幅度大的特點,以試驗結果為基礎,建立了考慮儲居物隨地層有效應力變化的單井滲流數學模型,給出了油水兩相流動下的彈和彈儲層的數值解計算公式,以及彈儲層的產量和井底流壓解析表達式。
  19. The contract stress on supporting roller and crawler board surface of three models of dong fang hong crawler tractor under three working conditions is gained by finte element analysis, as well as the stress distribution law and maximum stress which provide valuable referentce datum for resolving the problems of plastic deformation and friction wear between the supporting roller and crawler board

    摘要對3種機型拖拉機的支重輪與履板之間的接觸應力分別在3種工況下進行了有限元分析,得出接觸應力分佈的規律及其最大值,為解決支重輪和履板的變形問題及摩擦磨損行為分析提供了有價值的參考數據。
  20. Termoplastic water stops for sealing joints in concrete ; concepts, shapes, dimensions

    水泥接縫密封用熱料製造的止水.概念形狀
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