damage and fracture 中文意思是什麼

damage and fracture 解釋
損傷與斷裂
  • damage : n 1 損害，損傷；〈口語〉傷害，毀壞。2 〈口語〉費用，代價。3 〈pl 〉 【法律】 賠償損失；賠償金。vt...
  • and : n. 1. 附加條件。2. 〈常 pl. 〉附加細節。
  • fracture : vt. ,vi. （使）破裂；（使）折斷；（使）斷裂。n. 1. 破裂，折斷，斷裂。2. 裂痕，裂縫，裂面。3. 【醫學】挫傷，骨折。4. 【礦物】斷口；【地質學；地理學】斷層。
  1. Safety of structures is a common and important problem in the mechanical engineering. recent years there is a trend of developing unified theory of fatigue and fracture to describe the life - cycle damage behaviour of structures. researches on safety guarantee are going toward multi - method synthesis, system micromation, network availability and life - cycle information management

    結構的安全性一直是工程中普遍關心的重要問題，結構強度學逐漸發展到疲勞斷裂統一理論，結構安全保障手段已向多方法、微小化、網路化和全壽命在線保障與監測發展，建立全壽命安全保障系統，涉及材料、機械、力學、電子等學科的交叉融合。
  2. First, the basic mechanical capability and creep were proceeded on the material test system with the modified three point bending creep fracture test. the modulus and fracture toughness and tensile strength was attained and creep curve in 200 temperature was also presented. applying basic damage mechanical theory, thermal damage analyses were performed induced in fracture toughness and modulus, the practical formula of damage factors varying with temperature and time was given

    首先利用改進的三點彎曲試驗在mts實驗機上進行了巖石力學性能和蠕變測試，得到了花崗巖在溫度影響下的彈性模量和斷裂韌度以及抗拉強度變化規律，並得到了200下北山花崗巖蠕變全過程曲線。
  3. Based on the fem program on fracture of plane structure developed by professor fu xiaoling of ho hai university, a two demension damage and fracture finite program package which is programed in fortran 90 language is developed. the paper adopts the plane - eight - nodes isoparameters element and compute the developing law of the damage and macro - damage of plane structure under load. considering the original damage and tension and compression damage at the same time, the paper adopts the more reasonable concrete constitute relation of two demension and exponent function model

    在河海大學符曉陵副教授所編制的平面結構斷裂有限元程序（ dl08p4 ）基礎之上，本文用fortran90語言編制的二維損傷-斷裂有限元程序包，程序採用平面八結點等參數單元分析計算平面結構在外荷載作用下損傷及宏觀裂縫的發展規律，考慮了混凝土結構體內存在著初始損傷和同時存在的拉、壓損傷，並且採用更為合理的具有損傷含義的混凝土二維本構關系（即正交異性損傷模型中的本構方程）和指數函數模型建立的並可進行拉、壓損傷可比性換算的損傷演變方程，較為真實地反映了實際情況。
  4. ( 4 ) by use of dynamic strain testing, the ultrasonic wave, bedded composite rock damage and fracture mechanisms and the fragmentation process during blasting have been experimentally studied

    （ 4 ）運用超動態應變測試技術、超聲波檢測儀對層狀復合巖體的爆破損傷破壞機理和破壞過程進行了實驗研究。
  5. And with the introduction of the modulus of elasticity from budiansky method, the general damage model of rock blasting is established in the paper. by use of the ultrasonic wave, rock damage and fracture mechanism and the fragmentation process during blasting are studied, and the theory presented in the paper has been proven

    運用超聲波等手段對巖石爆破損傷斷裂機理和破壞過程進行了試驗研究，分析了不同爆破條件下巖石內部微裂紋的擴展規律、損傷演化和巖石破碎規律，驗證了本文理論部分的正確性。
  6. Though ferro - electricity was recognized in the early 1920 ' s, people still do not clearly understand even its basic characteristics and microstructure because descriptions of the behavior of ferro - electric ceramics remain in their infancy. the mechanism of damage, fatigue, crack and fracture of ferro - electrics should be studied more concretely not only in theory but also in application

    人們雖然對鐵電現象很早就有了認識，但對其基本性能的認識還遠未完善，對材料的微結構、疲勞、損傷、斷裂、破壞失效的機理也不十分明了，迫切希望進行更深入、更全面的了解。
  7. The feature of acoustic emission on the damage and fracture in composite of glass - fiber epoxy

    環氧樹脂復合材料損傷與斷裂過程的聲發射特性
  8. Structure simulative experiment by using acoustic emission to detect the damage and fracture in composite flywheel

    聲發射檢測復合材料飛輪損傷與斷裂的結構模擬試驗
  9. Damage and fracture behavior of self - reinforced polyethylene ( pe ) composite under monotonic tensile loading were investigated by acoustic emission ( ae ) technique

    摘要用聲發射（ ae ）技術研究了聚乙烯自增強復合材料的拉伸損傷與斷裂行為。
  10. The damage and fracture of blasting on rock include two phases of blasting stress wave and denotation vapor

    爆炸對巖石的損傷斷裂作用包含有爆炸應力波和爆生氣體作用兩個階段。
  11. ( 2 ) based on the existing damage model of rock blasting and the theory of rock damage and fracture, a new damage model for rock blasting has been founded

    （ 2 ）在分析現有巖石爆破損傷模型和巖石爆破損傷斷裂理論的基礎上，建立了新的巖石爆破損傷模型。
  12. Based on the existing research results and up to the minute theory of rock damage and fracture mechanics, the blasting damage and fracture mechanism of rock and bedded composite rock is studied

    本文基於前人的研究成果，採用巖體損傷、斷裂理論的最新研究成果，研究了巖石和層狀復合巖體在爆炸應力波和爆生氣體作用下的損傷斷裂機理。
  13. In order to study the influence of evolvement of permeation character induced by mesoscopic structural characteristics on macroscopic mechanical behavior and fracture mechanism, a nonlinear constitutive equations describing the relationship between damage of rock and seepage is proposed based on mesoscopic damage mechanics and biot seepage mechanics theory and coupling system of flow & solid in rock failure process analysis, f - rfpa2d, is developed to simulate the variation of permeability as well as coupling mechanism between seepage and stress during the initiation, propagation and coalescence of cracks in rock. this study also extends the research field of original rfpa2d

    為了分析細觀結構特性變化引起滲透性演化對宏觀力學行為的影響，並進行滲流應力耦合作用下巖石破裂機制的研究，本文基於細觀損傷力學和biot經典滲流力學，建立了巖體損傷非線性本構方程和滲透率關系模型，開發出巖石破裂過程滲流-應力耦合分析系統（ couplingsystemofflow & solidinrockfailureprocessanalysis簡稱f - rfpa2d ） ，拓寬了原有程序rfpa2d的研究領域。
  14. Through the several computational examples, the paper makes research on the damage and fracture developing law and the related contours are given

    通過對幾個實例分析計算，研究了損傷及裂縫變化發展規律，並給出了損傷等值線圖。
  15. Meso - mechanism of damage and fracture on rock blasting and its mechanical behaviors

    巖石爆破損傷斷裂的細觀機理及其力學特性研究
  16. The blasting damage and fracture process of rock is complicated dynamic evolvement process

    巖石爆破損傷斷裂過程是一個復雜的動態演化過程。
  17. The quasi - static damage stage under the quasi - static stress field produced by gas from explosion. finally, the general model for blasting damage and fracture is gained. in the thesis, a gas - driven fracture propagation and damage localization at the crack tip model during explosion products are proposed

    根據爆炸力學，將巖石的爆破損傷分為兩個階段來研究，第一階段為爆炸應力波作用下的動態損傷階段，第二階段為爆生氣體靜態壓力場作用下的損傷階段，最終得出了巖石在爆破作用下的爆破損傷斷裂全過程演化模型。
  18. On the basis of theory of fracturing mechanics and damage mechanics, the mechanism of damage and fracture by explosion load has been analyzed and studied deeply. and the calculation of blasting damage in rock is explored further by using the combination of the current model for blasting damage and the simulating blasting experiment

    本文利用斷裂力學和損傷力學的理論對巖石在爆炸作用下的損傷斷裂機理進行了深入分析和研究，並採用現有的巖石爆破損傷模型和巖石爆破損傷模擬試驗相結合的方法，對巖體在爆破作用下產生損傷的計算進行了新的探索。
  19. Mainly results as follow : ( 1 ) based on fracture mechanics and damage mechanics theory, the mechanism of rock damage and fracture has been analyzed and the rock damage and fracture rules have been put forwarded. based on damage and destroy theory of bedded composite rock, damage principal equation and damage and fracture rules of bedded composite rock have been founded

    論文主要內容和取得的成果如下： （ 1 ）根據斷裂力學和損傷力學理論，分析了巖石損傷斷裂機理，提出了巖石的損傷斷裂準則；以層狀復合巖體損傷破壞理論為基礎，建立了層狀復合巖體損傷本構方程及其破壞斷裂準則。
  20. A numerical program developed based on meso - damage mechanics, was adopted to simulate the deformation, damage and fracture, i. e. the whole failure process of brittle composite matrix reinforced by particles under uniaxial tensile load

    摘要在材料細觀非均勻性的基礎上研究了含粒徑不同顆粒的脆性基復合材料的宏觀力學性質和破壞過程的尺寸效應。
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