impact failure 中文意思是什麼

impact failure 解釋
沖擊破壞
  • impact : n 碰撞;沖擊(力);(火箭的)降落[著陸];【軍事】彈著;影響,效力。 The point of impact彈著點。 ...
  • failure : n 1 失敗 (opp success); 不及格。2 不足,缺乏;衰退;【醫學】衰竭。3 不履行,玩忽。4 破產,倒閉...
  1. In the dissertation ' s chapter 3 to chapter 5, the mechanical and physical performances of the engineering plastics are analyzed, the failure mode and the designing computing methods of engineering plastics member suffering the static load, dynamic load, impact load, pulse load, are studied. by the practice application and ball firing experiment of the engineering plastics key piece in the weapons, the precious experiences, for engineering plastics application and confirmation of the material performances guideline in the weapons, are obtained

    論文的第三章至第五章,分析了工程塑料物理機械性能,研究了受靜載荷、動載荷、沖擊載荷及脈沖載荷下工程塑料構件的失效模式和設計計算方法,通過工程塑料在槍械關鍵受力結構件上的實際應用和實彈射擊試驗,取得了寶貴的經驗,為高性能工程塑料在槍械上的應用和材料性能指標的確定奠定了基礎。
  2. The asteroids are the most important small bodies in the solarsystem, and they mainly lies in the two locations - a main belt between the mars ' s orbit and the jupiter ' s and the near - earth space. the most feature of the orbits of near - earth asteroids ( neas ) is that the semi - major axes of the orbits are nearly equal to that of the earth or the perihelia distances are approximate to or even less than the mean distance between the sun and the earth, thus they could move into inside of the earth ' s orbit, so that they might close approach or even colliside with the earth ( or other planets, such as the venus, the mars, etc. ). the characteristic brings about some difficulties in the numerical research during their orbital evolution, which leads to the failure of the normalization technique in the general removal impact singularities of celestial mechanics methods and the symplectic algorithm which is successfully applied to the investigation in quality. by comparing the computation effects of several common numerical methods ( including symplectic algorithm ), and considering the nature of the movement of the small bodies, the corresponding treatments are provided here to improve the reliability of the computation

    小行星是太陽系最重要的一類小天體,主要分佈在兩個區域;火星和木星軌道之間的一條主帶和近地空間.近地小行星軌道的最大特點是其軌道半長徑與地球軌道半長徑相近,或近日距離接近甚至小於日地平均距離,其運動可深入到地球軌道的內部,這將導致該類小行星與地球(還有金星、火星等)十分靠近甚至發生碰撞.這一特徵給其軌道演化數值研究帶來一些困難,包括天體力學方法中一般消除碰撞奇點的正規化處理以及對定性研究十分成功的辛演算法都將在不同程度上失效.通過對幾種常用數值方法(包括辛演算法)計算效果的比較,根據小天體運動自身的特性,給出了相應處理措施,從而可提高計算結果的可靠性
  3. Research work described in this dissertation consists of four parts : application of finite element methods ( fem ) in the study of pull out tests of single fiber reinforced composites ( sfrc ), fem study of fragmentation tests for single fiber reinforced composites, monte carlo simulation of fragmentation tests for single fiber reinforced composites, and a simulation of impact failure behaviors of fiber composites with a mesh free method - the sph method

    全文論述從四個方面展開的工作:單纖維復合材料抽拔試驗的有限元數值模擬,單纖維復合材料逐節斷裂試驗的有限元數值模擬,蒙特卡羅方法模擬單纖維復合材料受拉破壞過程,無網格sph演算法在復合材料受沖擊破壞過程中的v _ ( 50 )數值模擬。
  4. For any early - than - schedule closure of this exhibition because of the factors of force majeure ( disease, natural disaster, state policy, etc. ) or of the exhibitors themselves ( failure to observe fire - fighting or security requirements of the exhibition hall or behavior lead to major negative impact to the exhibition ), the organizing committee shall assume no responsibilities

    由於不可抗力因素(疾病、自然災害、政策性因素等)與展商自身原因(不遵守消防及展館安全規定及對展覽會有重大負面影響的行為)致使本次展覽會提前撤展或閉幕,組委會不承擔任何責任。
  5. The results shows that the failure parts has high silicon content and uneven hardness, the impact toughness and elongation is far below the specification of the material

    結果發現,失效件的硅含量偏高、硬度值很不均勻,沖擊韌度和伸長率遠低於材質要求,因而導致脆斷。
  6. This impact is attributed to the hypervelocity impact, which leads to very serious aftereffects, can result in the failure of partial functions of the spacecraft and even the termination of the whole missions. one more the impacts will threaten the safety of the astronauts for manned aerospace

    這類撞擊屬于超高速碰撞的范疇,後果極其嚴重,可能導致航天器部分功能的失效甚至任務終止,對于載人航天來講,還對乘員的人身安全形成嚴重威脅。
  7. The british financial authorities also had two drills in the past year, one of which examined the impact on a british clearing bank of the failure in london of a foreign banking subsidiary

    同年英國金融管理機構也作了兩項模擬,其中之一是觀察一間外國銀行在倫敦的分支機構倒閉對一家英國清算行的影響。
  8. Especially for the longitudinal heat checking of tool joint, the hoop toughness criterion of tool joint material was put forward to prevent the heat checking. based on analysis for field failure cases, minimal hoop impact work by means of mechanical calculation has been obtained, which can be used to modify the relevant contents of api rp7g

    特別針對鉆桿接頭縱向熱裂問題,提出了控制接頭材料的橫向韌性判據,並以現場失效案例分析為基礎,經力學計算初步確定了最低橫向沖擊功要求,可用於完善修訂apirp7g推薦做法的有關內容。
  9. You can then take steps to change the design or process to eliminate the failure, reduce its impact, or compensate for the failure should it occur

    可以採取改變設計或流程步驟,來消除錯誤,減少沖擊,或對會發生的錯誤進行彌補。
  10. Progressive fragment modeling of the failure wave in ceramics under planar impact loading

    沖擊壓縮下陶瓷材料中的破壞波模型
  11. The psychological characteristic of a enterpriser which in existence inherently exert an great impact on his success or failure, and on the existence and development of the enterprise, because there are some scientific and factual evidence indicating that psychological element have influence on one ' s achievement

    創業者的心理素質特徵是客觀存在的,它對創業的成敗和企業的生存、發展有重大影響;心理因素對一個人工作成就的影響是有科學依據和事實佐證的。
  12. Failure investigation of impact - rub in rotor - stator box system of unbalanced rotating machinery

    機匣系統碰摩的失效研究
  13. The characteristic brings about some difficulties in the numerical research during their orbital evolution, which leads to the failure of the normalization technique in the general removal impact singularities of celestial mechanics methods and the symplectic algorithm which is successfully applied to the investigation in quality

    這一特徵給其軌道演化數值研究帶來一些困難,包括天體力學方法中一般消除碰撞奇點的正規化處理以及對定性研究十分成功的辛演算法都將在不同程度上失效。
  14. Study on the failure mechanism and multi - impact property of domestic automotive engine chain

    國產汽車鏈的多沖特性及失效機理研究
  15. The proposed model - beam - particle model is validated to simulate some routine tests of concrete which including uniaxial compressive test and uniaxial tensile test to prove that the numerical model can effectively to describe the complete failure process caused by the initiation, propagation and coalescence of cracks. the influence of the meso - mechanical properties to the macroscopic failure behavior is discussed in this paper. the proposed model is employed to simulate the dynamic failure process of concrete under impact loading, and analyse the failure behavior of concrete with different impacting velocity

    本文建立了混凝土的梁-顆粒數值模型,並利用該模型進行了混凝土在單軸壓縮和拉伸載荷作用下,混凝土從微裂紋的萌生、擴展、貫通直到宏觀裂紋產生導致破壞的全過程的數值模擬,探討了混凝土材料細觀結構對其宏觀力學行為的影響;利用該數值模型,模擬了鋼彈以一定的初始速率垂直侵徹混凝土圓板的動態過程,對計算結果進行了動畫顯示,並分析了不同鋼彈初始速率對混凝土圓板破壞形式的影響。
  16. Comparing its results with those by ls - d yna, the accuracy of this algorithm was presented. moreover the failure process in concrete due to impact loading and the failure process of a steel bullet penetrating a concrete circular plane was demonstrated, which presented the dynamic transitional process from continuum to non - continuum. several different fundamental damage forms simulated by using this algorithm were discussed, comparing with the results from experiments

    應用該模型對正交各向異性平板內的應力波傳播、沖擊載荷下混凝土平板的破壞以及鋼彈侵徹混凝土圓板的破壞問題進行了研究,通過將計算結果與ls - dyna 、特徵線法以及實驗結果進行對比,證明了該模型的精確性和可靠性。
  17. As the growth of the internet popularize intensity, network traffic anomalies, which are caused by network attacks, worm virus, malicious download, equipment failure, etc, increasingly impact the network performance, some unusual offensive flow disrupts the normal operation of the network order, poses a serious threat to network security. in such situations, how to detect the network traffic anomalies accurately and in time, ensure the normal operation of the network, provide users with a good network environment, become a topic of concern

    但是隨著網路的普及程度越來越高,由網路攻擊、蠕蟲病毒、惡意下載、設備異常等因素導致的網路流量異常對網路性能的影響越來越大,某些帶有攻擊性的異常流量干擾了正常的網路運行秩序,對網路安全造成了嚴重威脅。在這種情況下,如何及時而準確的檢測出網路流量異常,保證網路的正常運行,為用戶提供一個良好的網路環境成為一個備受關注的研究課題。
  18. A theoretical analysis of local damage in a thin ductile tube hit by a flat - nosed missile laterally is developed to predict local failure due to plugging by the beam - on - foundation model. the effect of internal press was considered, and differential equations was obtained which can predict the ballistic speed of the missile which impact the tube filled with water. it can be solved by runge - kutta method

    採用地基梁模型對平頭彈體側向沖擊鋼管的沖塞型破壞模式進行了理論分析,考慮了充壓情形下內壓的影響,導出了鋼管在沖擊過程中的運動方程,可以用龍格?庫塔法進行數值求解來確定彈體沖擊充液壓力管道的彈道極限速度。
  19. In the worst case, the failure to evaluate workforce practices ensures the failure to detect occasions when their impact is counterproductive to their intended effect

    在最壞的情況下,評估生產力實踐的失敗註定了檢測生產力實踐影響既定成效達到的時機的失敗。
  20. The substance of problems in simulating the damage and failure processes of material under dynamic loading, such as impact and penetration, is that the mechanics model of material transfers from continuum to noncontinuum

    材料在沖擊、侵徹等動載荷作用下產生損傷和破壞的過程,其實質是力學模型從連續體到非連續體的轉變過程。
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