有限爆破 的英文怎麼說

中文拼音 [yǒuxiànbào]
有限爆破 英文
limited blasting
  • : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
  • : Ⅰ名詞(指定的范圍; 限度) limit; bounds Ⅱ動詞(指定范圍, 不許超過) set a limit; limit; restrict
  • : 動詞1. (猛然破裂或迸出) explode; burst 2. (放在滾油里快炒) quick-fry
  • : Ⅰ動詞1 (完整的東西受到損傷) be broken; be damaged 2 (使損壞) break; break down; damage 3 (使...
  • 有限 : limited; restricted; finite; a little; not much
  • 爆破 : blow up; blast; burst; demolish (by explosives); detonate; explode; dynamite
  1. There are certain difficulties in studying the failure process of frangible materials such as concrete, rock, etc which are caused by dynamic loads such as collision, earthquake, exploding, etc by those current exited numerical methods like finite element method etc. so in order to solve such a problem we should introduce certain new numerical analysis method

    現存的一些數值方法如元法等在研究混凝土、巖石等脆性材料在沖擊、、地震等動荷載作用下的壞過程問題中存在著一定的困難。因此,對於此類問題需要新的數值分析方法。
  2. In this paper, the state of the art of the engineering controlled explosion and the finite element method ( fem ) are reviewed. in order to analyze and simulate the demolishment of frame - structured buildings due to controlled blasting, the method of killing or activating elements, a high level technique in fem, and the special element - solid65 are introduced to the blasting field first in china by the author

    本文回顧和總結了工程式控制制單元法的發展歷史及其研究現狀,在國內首次把單元生死法這一元高級處理技術和ansys軟體中特的solid65單元引入到拆除工程領域,用其進行框架結構樓房拆除的計算機模擬,探討了構件在完全壞前的應力、應變、裂縫生成和塑性鉸形成位置。
  3. Chapter 3 consider the initial - boundary value problem utt - where q is a bounded demain in rn with smooth boundary 3q ; with m ( s ) is a nonnegative c1 - function for s > 0 satisfying with we show that under certain conditions the solution blow up in finite time. chapter 4 consider the initial - boundary value problem and < ? > 2. we show the decay rate of the solutions of the equation

    第三章我們考慮了定義在具光滑邊界的界區域上的kirchhoff型方程初邊值問題其中0 , r , p 1 , q 1 , 1 ;當s 0時, m ( s )是空間c ~ 1中的非負函數,且滿足其中, 0 , 2這章我們給出了上述方程解的時刻條件。
  4. Then i consider a correlative problem : where m, > 0, s is a bounded domain with smooth boundary in ; v is outward normal vector on ; f ( s ) is continuous function and satisfies some increasing conditions ; u0 ( x ) is a positive function satisfying some compatibility conditions, to obtain the blow - up conditions of the positive solution using the method of subsolution and supersolution, extend the result of song and zheng

    )上的單位外法向; u _ 0 ( x )是正的函數且滿足一定的相容性條件:討論m 1的情況時,在何種條件下使得問題的正解整體存在或是在時刻。主要採用上下解的方法來得到結論。隨后考慮相關問題:其中m , 0 ,為r ~ n ( n 1 )中的界域,具適當光滑的邊界(
  5. This dissertation mainly investigates the properties of solutions of a class of quasi - linear wave equations with a viscosity, a nonlinear perturbation ( source term ) and a dissipative term ( damping term ), which arises from the longitudinal motion of a visco - elastic material. it contains the problems of existence and uniqueness of solutions, global existence, asymptotic behaviour and finite time blow up, etc. this thesis consists of four parts

    本論文主要研究來自於物體的波動等應用領域中的一類帶粘性項、非線性擾動項(源項)和耗散項(阻尼項)的擬線性波動方程解的定性性質,內容包括解的存在唯一性,解的整體存在性和漸進性態及解在時刻等問題
  6. It also has been validated by the test result. on the basis of reduced stress attenuation formula, the paper elicit theoretical calculation expressions of jam lengths in hole blasting and space between charges in linear charge blasting. linear charge blasting at the net of highway to zhuhai aerodrome and the hole blasting at underground stope in gaofen mining company have been design by the expressions

    根據建立的條形藥包徑向應力衰減方程,得出了淺孔堵塞長度和條形硐室藥包藥室間距理論計算公式;按推導的計算式設計了珠海西區機場路埡口條形藥包和高峰礦業責任公司地下采場淺孔
  7. This paper is on the basis of analysedding and summarized that these projects were blown up and tested materials in the past, use fracture mechanics, the dynamics blast theory and finite element analytical method, have carried on the system, detailed analysis and describes to this kind of method of blasting, proving theoretically that can cut the base rock effectively in this kind of method of blasting, reduce base blowing up stress value inside the rock, play and protect underpart base rock blow up into the function influenced in vibration, and blew up mechanism and analysed the main influence factor blown up according to it, had put forward the rational optimization measure to the relevant parameter when implementedding and blown up

    本文在分析總結以往這些工程試驗資料的基礎上,運用斷裂力學、動力學理論及元分析方法,對這種方法進行了系統、詳細的分析及論述,從理論上證明此種方法可以效地切割基巖面,降低基巖內部的應力值,起到保護下部基巖不受振動影響的作用,並根據其機理分析了的主要影響因素,對實施時的相關參數提出了合理的優化措施。
  8. Zhejiang 8 amounting to tunnel engineering limited company is alley of well of bridge of road surface of channel of pilot a ship into a harbour of water and electricity of volume road tunnel, railroad channel, irrigation works, roadbed, mine, large cubic metro of earth and stone blow up the professional construction company that construction is an organic whole, have channel highway project to always contract two class aptitude

    浙江八達隧道工程公司是集公路隧道、鐵路隧道、水利水電引水隧道、路基路面橋梁、礦山井巷、大型土石方施工為一體的專業施工企業,擁隧道公路工程總承包貳級資質。
  9. Based on the numerical simulation method of finite element, the calculation method of particle vibration velocity, an important index reflecting the blasting vibration intensity, is discussed ; and an comparison analysis of the calculation results between two different kinds of charge structures decked with air and water is made

    基於元數值模擬方法的基礎上對反映震動強度的重要指標質點振動速度的計算方法進行了探討,並對空氣和水兩種不同間隔裝藥結構下的震動強度計算結果進行了對比分析。
  10. Global existence and blow - up of solutions to quasilinear degenerate parabolic system

    擬線性退化拋物方程組解的整體存在和有限爆破
  11. Global existence and finite blow - up of solutions to a class of nonlinear diffusion system

    一類非線性擴散方程組解的整體存在和有限爆破問題
  12. Global existence and blow - up of solutions to a degenerate reaction diffusion system with nonlocal nonlinear source

    一類退化反應擴散方程組解的整體存在性與有限爆破問題
  13. By comparison theorem and the upper - lower solution method, the conditions for the global existence and the finite time blow - up of solution to the system are established

    通過運用比較定理和構造上、下解方法,建立了該方程組解的整體存在和有限爆破的充分條件。
  14. In this paper, we mainly study the global boundedness and infinity blow - up of solutions for a separate variable weakly coupled class of nonlinear reaction - diffusion system. the condition of global existence and infinity blow - up and blow - up rate are gained. in the introduction, we give a discussion about the background and general situation to the reaction - diffusion system

    本篇文章主要討論了一類反應項具分離變量形式的弱耦合非線性擴散方程組解的整體界和有限爆破性質,給出了整體存在和有限爆破條件並得到了有限爆破速率估計。
  15. The solution blows up in finite time under initial energy that is negative enough

    在初始能量具足夠大的負能量情況下,解在時間發生
  16. This paper using ls - dyna finite element analysis program to model the damage process of oilcan steel plate under no. 3 rock explosive load, analysing the effect of the mass and shape of explosive to steel plates extent of damage and shape of crevasse

    利用ls - dyna元程序,模擬了油罐鋼板在3 (上標# )巖石炸藥炸載荷下的壞過程,分析了炸藥質量、藥柱形狀對鋼板壞程度和口形狀的影響。
  17. With finite element method, the influences caused by hydrostatic pressure to deformation and failure model of ring - stiffened cylindrical shells are analyzed

    摘要應用元法,分析靜水壓對受水下炸載荷時的加筋圓柱殼體的變形及壞模式的影響。
  18. It contains the problems of local existence of weak solutions, global existence and finite time blow - up of the first equation and decay rate of solutions of the second equation

    內容包括前者退化時的弱解的存在唯一性、解的整體存在性與衰減估計、非退化時解的時刻和後者解的能量衰減。
  19. ( 2 ) use finite element analytical method, go on and gather can powder bag invade and cut to blow up simulation number value calculate rock, analyse in conformity with development of reeb, propagate, decay course, can blow up and down base rock characteristic of the stress go on research gathering, have proved that can gathers the result of cutting the rock of powder bag

    ( 2 )運用元分析方法,進行了聚能藥包侵切巖石的模擬數值計算,分析了應力波的發展、傳播、衰減過程,對聚能下基巖內部應力的特性進行了研究,驗證了聚能藥包切割巖石的效果。
  20. ( 5 ) ln excavating in the base hole of the second stage of the project of sanxia, the powder bag is blown up and tested after goning on and can gather, and blows up and tests the optimization and scene which blows up the parameter according to the analysis achievement of finite element, have made certain test achievement

    ( 5 )在三峽二期工程基坑開挖中,進行了聚能藥包試驗,並根據元分析成果進行了參數的優化和現場試驗,取得了一定的試驗成果。
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