macroscopic fracture 中文意思是什麼
macroscopic fracture
解釋
宏觀裂縫- macroscopic : adj. 【物理學】肉眼可見的;宏觀的，粗視的，粗顯的。
- 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。
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After continuous researches on macroscopic fracture theories and microscopic fracture theories, characterization parameters of the material fracture toughness have been defined, and the microscopic fracture theories applied in 3d braided cmc also have been proposed. enough numerical simulations have been conducted, and also comparison with the theories has been done
經過對試驗的反復推敲和論證，本文從宏觀斷裂理論和細觀斷裂理論的角度，確定了三維編織c sic復合材料（三維編織cmc ）斷裂韌性的表徵參量，發展了能夠在該材料中應用的細觀斷裂理論。 -
The macroscopic damage status of the earth crust block, which is caused by earthquake fracture, is described with several concepts - the damage degree, the damage rate and the strain rate
對地殼塊體由地震破裂引起的宏觀損傷狀態，通過引入損傷度、損傷率? 、應變率?來刻畫。 -
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。 -
Another is shear - model fracture which is thought that it is associated with dislocation motion ( shear + rotation ) of crystal at microlevel, fragmentation of solid at mesoscale level and large plastic strains at the macroscopic level
剪切型斷裂在微觀上與晶粒內或晶粒間的滑移和位錯有關，細觀上與集中變形帶中的微剪切面集中有關，宏觀上則與結構內的集中剪切帶有關。 -
Experimental study of macroscopic fracture of fine aggregate concrete
細骨料混凝土細觀斷裂試驗研究 -
A state - of - art review of several branches of fracture, which are related to the dissertation, are presented, including macroscopic - microcosmic fracture mechanics, fracture dynamic mechanics, 3d crack problem etc. the crack technique, which is the basis and application of controllable regular fracture, are also reviewed concisely but thoroughly
回顧了目前斷裂力學研究中與本文主題相關幾個方面的國內外研究現狀，包括宏微觀斷裂力學、斷裂動力學以及三維裂紋問題等。對于可控規則斷裂產生的基礎和主要應用對象的裂紋技術，給出了簡要但全面的介紹。 -
The authors have observed the progress of deformation and destruction of coal bodies in the experiment, carried out the macroscopic and microscopic research of the destruction progress of coal samples under load by means of servo electro - hydraulic loading test and electromagnetic radiation and audio emission monitoring, analyzed the cracking rate of coal samples under different situation, investigated the formation and development of cracking by use of fracture and elasticity mechanics, and thus established a sound experimental basis for the prediction by using gray classification
摘要進行了煤體變形破壞過程實驗，利用電液壓伺服加載試驗、電磁輻射和聲發射監測手段，從宏觀、細觀、微觀三個方面對煤樣受載破裂過程進行試驗研究，分析煤樣的裂隙發展速度及其所處的不同的狀態，並參照目前的預測方法提出了煤與瓦斯突出危險狀態灰色分類方法。
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