impact loading 中文意思是什麼

impact loading 解釋
沖擊荷載
  • 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。 ...
  • loading : n. 1. 裝貨。2. 裝載量;重量;載荷;(船隻等的)貨載。 3. 填充物,填料。4. 額外人壽保險。
  1. A dynamic fracture analysis of center - cracked brazilian disc specimens under mixed mode diametric impact loading

    徑向沖擊中心直裂紋巴西圓盤的復合型動態斷裂分析
  2. Establishing an human spine dynamic model is an significan event to study spine injured biomechanics of pilot " s ejective injury, parachute opening, landing and study the endurance to impact loading on human spine. in this paper, the huston " s method of kane " s equations is developed so that it can be applied to the multibodysystem including translation between the bodyies. the dynamic model of human spine is provided basing on these theories, while the big movement of spine is considered. the deformation of vetebra is far smaller comparing with the intervetebra disc, so the spine is considered into multibodysystem including rigid bodies ( vetebra ) and the flexible bodies ( intervetebra disc ). the computer solution correspond with the results of the large scale human impact test. the rigid coefficient factors and the damping factor of intervetebra joints are obtained

    人體脊柱動力學模型的建立對研究飛行員彈射救生、傘兵跳傘開傘、著陸等脊柱損傷的生物力學以及研究人體脊柱耐受沖擊載荷的極限問題都具有重要意義.首先發展了凱恩方程的休斯頓方法,使其可應用於變形體連接的多體系統,並以此理論為依據建立人體整椎脊柱沖擊動力學模型,此時考慮脊柱的大位移運動,每個椎骨的變形相對椎間盤的變形小得多,把脊柱看成由剛體(椎骨)和變形體(椎間盤)組成的多體系統.並以大型真人坐姿沖擊實驗結果進行了擬合,最後得到腰椎間關節剛度系數因子和阻尼系數因子
  3. The products is of high water hydrophobe device usedin suitable and has the characteristics of aging resistance, resistance, tracking resistance, and corrosive resistance. it can withstand high bent load, strong impact force fn12 - 12 series indoor use high voltage load switch fn12 - 12 and fn12 - 12r is of three phases indoor use ac high voltage load switch for breaking and making the circuit of 50hz, 12kv system under rated loading

    Fn12 - 12和fn12 - 12r組合電器是額定電壓12kv額定頻率50hz的三相高壓開關設備用於分合負荷電流閉環電流空載變壓器和電纜充電電流關合短路電流配裝接地開關的負荷開關,可以承受短路電流
  4. Stress waves in soil under impact loading of explosive welding

    爆炸焊接沖擊載荷下土壤應力測試
  5. Dynamic properties of saturated soft clay under impact loading

    飽和軟粘土在沖擊荷載下的動力特性研究
  6. Some characteristics of saturated soft clay under impact loading

    沖擊荷載作用下飽和軟粘土的一些性狀
  7. Experimental study of energy dissipation of porous rock under impact loading

    沖擊載荷下孔隙巖石能量耗散的實驗研究
  8. Recent advances of dynamic mechanical behavior of concrete under impact loading

    沖擊載荷下混凝土動態力學性能研究進展
  9. The result shows that under the effect of repeated impact load, the stress wave produces reflection in the metallurgical junction plane between coating and basal body, and forms stretch wave causing longitudinal split and angle split of coat ; the microcosmic spot pitting and deep layered peeling off occur in coating surface due to stress concentration ; the energy accumulation of impact loading causes rigidity variation and plastic deformation

    結果表明:在多沖載荷作用下,應力波在塗層和基體的冶金接合面發生反射,形成拉伸波造成塗層的縱裂和角裂;在塗層表面由於應力集中,塗層表面發生微觀點蝕和深層剝落;沖擊載荷能量的積累,造成塗層試樣硬度變化和塑性變形。
  10. For floors where abrasion and impact resistance as well as dust - proof are required such as for shed, loading area at port, machinery industry, aitcraft parking apron, garage, parking area, oil storage piant, pathway floor, mine chute, bridge surface, reservior overflow relief channel, energu consumption. loading slope, military industry, weaving mills, cold storage plant, automobile industry, electronic industry express highway, etc

    倉庫、碼頭裝卸區、機械工廠、飛機停機坪、車庫、停車場、油料庫、通道地面、工礦溜槽、橋面、水庫溢洪道、交通池、裝卸斜坡、軍工企業、紡織業、冷凍庫房、汽車工業、電子工業、高速公路等適合金屬骨料要求的混凝土地面。
  11. Alpine ski bindings ; lateral release under impact loading ; test method ; identical with iso 9465 : 1991

    高山滑雪橇緊固.沖擊負荷條件下的橫向松脫.試驗方法
  12. Abstract : based on laboratory test results, a model for predicting the residual deformation of soft clay under impact loading is proposed in this paper, which fits well with other test results. this model, considering several factors which affect the residual deformation such as confining pressure, impact energy and the number of impacting, can be used for the deformation prediction in the treatment of saturated soft clay by the drainage consolidation method of combining static and dynamic loading

    文摘:在試驗基礎上建議了一個預測沖擊荷載作用下飽和軟粘土殘余變形的計算模式,該模式考慮了周圍壓力、沖擊能大小、沖擊次數和沖擊遍數等幾個因素.對計算模式的驗證表明,預測值與實測值吻合較好.該模型可用於動靜結合排水固結法處理軟基時的變形計算
  13. 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
  14. 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。
  15. 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。
  16. In this paper, a numerical algorithm based on the discrete element method is proposed for calculating the dynamic problems in orthotropic solids under impact loading

    本文將離散元法用於計算和模擬各向異性材料在沖擊載荷下動態損傷和破壞過程。
  17. The study gives a qualitative and quantitative dynamic fracture analysis, and a three - dimensional finite element program is developed to compute the dynamic stress intensity factor for a semi elliptic surface crack in an elastic solid of finite size under impact loading

    在定量分析中,編寫了該裂紋結構受沖擊載荷作用下的全尺寸三維動態有限元程序,並進行了大規模的數值計算,確定了表面裂紋動態應力強度因子,論證了該事故發生的原因。
  18. Research on mechanism of silty soft clay under impact loading and its application

    淤泥質粘土在沖擊荷載下固結機理研究及應用
  19. However, the small - size particle - reinforced composite is more prone to deformation localization than the large - particle composite under impact loading. dislocation models considering the effects of reinforcing particles are used to determine c1, c2 and c3 related to effective strain gradient in the present work. based on taylor relation and the kinetics of dislocation multiplication, glide and annihilation, a strain gradient - dependent constitutive equation of mmcp is developed

    發展了具有顆粒增強金屬基復合材料材料背景的三個位錯模型,結合顆粒增強金屬基復合材料代表元模型標定了這類復合材料變形中的等效應變梯度,並用這些結果成功地表徵了這類復合材料變形強化和局部化中的增強顆粒尺寸依賴效應。
  20. Standard method for measuring relative resistance of wall, floor, and roof construction to impact loading

    墻樓板和屋頂建築的相對抗沖擊負荷測量的標準方法
分享友人