impact bar 中文意思是什麼

impact bar 解釋
沖擊試桿
  • 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。 ...
  • bar : BAR ＝ Browning automatic rifle 白朗寧自動步槍。n 巴爾〈南斯拉夫港市〉。n 1 棒，桿，條；棒狀物。2...
  1. The bar - bar impact apparatus of split hopkinson tensile / pressure bar for high strain rate tests of fiber reinforced composites is developed. the components of this apparatus, the data sampling method and software are introduced in details

    研製用於纖維束和纖維復合材料高應變率下力學性能測試的桿桿型沖擊測試裝置?分離式hopkinson桿，描述該測試裝置的硬體構成、信號採集和分析計算。
  2. Sicp / al matrix composites, with 5, 15 and 25 % volume fraction of sic particles, were prepared by vacuum hot - pressing sintering processing in this paper. based on mechanics properties, sem observation and energy dispersive x - ray analysis, the interface reaction phenomenon of sicp / al composites made by vacuum hot - pressing sintering, as well as the reinforcement and fracture mechanisms of this composite were analyzed. the dynamic responses of sipc / al composites were studied by a split hopkinson high - speed pressure bar impact system which strain rate was from quasistatic state strain rate ( 3. 3 10 - 3s - 1 ) to dynamic state strain rate ( 5. 2 103 s - 1 )

    本研究以武裝直升飛機防護裝甲材料為研究對象，採用真空熱壓粉末冶金燒結工藝制備了含sic顆粒體積分數分別為5 、 15和25的sic顆粒增強鋁基復合材料，結合其力學性能、掃描電鏡和界面微區能譜分析結果，分析了sic _ p al復合材料的真空燒結過程中的界面現象，以及材料增強和斷裂機理，並利用hopkinson高速壓桿沖擊實驗系統對其從靜態到動態（應變率為3 . 3 10 ~ （ - 3 ） s ~ （ - 1 ） 5 . 2 10 ~ 3s ~ （ - 1 ） ）的壓縮破壞響應進行了研究，分析了不同體積分數sic _ p al復合材料高應變率壓縮載荷下，材料的變形和微觀損傷機理，以及利用高速沖擊空氣炮測定了改復合材料制備剃度復合板的穿透性能。
  3. The torsion bar spring is an important part in the suspension system and has the functions of force transfering impact alleciating and vibration attenuating

    扭力桿是汽車懸掛系統中一個重要的零件，起到傳遞力、緩和沖擊與振動的作用。
  4. The curve diagram of cylinder lifting force varies following the lifting bar was draw, the mechanism ? movement was simulated. the v - belt drive whose pulley is made by impact extrusion is the special drive way in farm machine

    本研究還繪制了油缸提升力隨提升桿件角度變化的曲線圖，機構模擬運動圖，使設計的表達更為直觀。
  5. Standard test methods for notched bar impact testing of metallic materials

    金屬材料切口試棒沖擊試驗的標準試驗方法
  6. On the basic of a great of literature reading and research on safety of side impact of the car, according to requirement of ece r95, applied madymo6. 2. 1 software, established simulation model of side impact of the car, researched the relationship between side rigidity of the car and passenger injury in side impact, which showed that during first impact the bigger side rigidity was, the more advantaged protection for the car and passenger in a definite range, and which drew a conclusion that the most serious part of passenger injury was pelvis during first impact. then detailed the substructure model by defining bodies, joints, contact types and contact characteristic, researched some improvement approach for side safety of the car, and then analyses a particular case, that was to say to fix vehicle door bar fender on between inner and outer plate of the vehicle door, analyzed the influence of passenger injury when the bar fender was fixed on different position, the result showed that the passenger injury was less when the bar fender was fixed on the height of vehicle door decorate bar. finally, a set of tests were performed, contrasting the simulation result with the test, analyzed the influence of the side rigidity of the car to passenger injury, which showed the test

    本文在對汽車的側面碰撞安全性進行大量文獻閱讀和研究的基礎上，按照歐洲ecer95側面碰撞乘員保護法規的要求，應用多剛體動力學軟體madymo6 . 2 . 1 ，建立了汽車的側面碰撞模擬模型，研究了汽車的側面剛性對乘員損傷的影響，結果表明在「一次碰撞」中，在一定范圍內汽車側面剛性越大，越有利於汽車和乘員的保護，同時得出結論，即在「一次碰撞」過程中人體損傷最嚴重的部位是骨盆;然後通過定義各剛體、鉸鏈、接觸類型以及接觸特性，對該模型進行子結構細化工作，研究了加強汽車側面安全性的若干改進措施，並進行了一個特例分析，即在此模型的車門內外板之間安裝了車門防撞桿，分析了當車門防撞桿安裝在不同位置時對乘員損傷的影響，結果表明防撞桿位於車門裝飾條的高度時，對乘員的損傷較小;最後進行了一組側面碰撞試驗，通過試驗和模擬結果的對比，分析汽車的側面剛性對乘員損傷的影響，表明試驗和模擬結果是一致的，從而證明了模擬模型的有效性以及模擬結果的正確性。
  7. Notched bar tests - method for precision determination of charpy v - notch impact energies for metals

    劃痕棒材試驗.第6部分:金屬擺式v劃痕沖擊能量精密測定方法
  8. Notched bar tests - specification for verification of the test machine used for precision determination of charpy v - notch impact energies for metals

    劃痕棒材試驗.第7部分:金屬擺式v劃痕沖擊能量精密測定試驗機檢驗規范
  9. Notched bar tests - the izod impact test of metals

    缺口棒試驗.第1部分:金屬的艾氏沖擊試驗
  10. Notched bar impact test

    凹口沖輝驗
  11. Notched bar impact testing of metallic materials using test pieces other than iso test pieces

    金屬材料的試驗.切口棒材撞擊試驗.試件的特殊形狀和
  12. With the hepale code, the simulated results are reported about problems of plate impact, the copper bar impacted the rigid well ( taylor bar ), the propagation of detonation, and the motion of a plane and a cylinder shell driven by explosives, and they are basically in agreement with experiment, as well as one obtained by ls - dyna

    應用hepale程序對平面碰撞、銅棒碰撞剛性壁（ taylor桿問題） 、爆轟波的傳播、炸藥驅動金屬平板和柱殼進行了數值模擬，並與有關理論解析結果或者實驗結果以及ls - dyna程序、 lagrange程序的計算結果進行了比較，符合程度較好。
  13. Abstract : based on spline function method, the spline finite element formulation for the contact - impact problems is proposed. in order to get the formulation, the b3 spline function is used to distribute the contact problem, and numerical examples are analyzed to show the effectiveness of the method. because the spline function has double characteristics including analytical and numerical, and good continuity and high correctness, a little unknown number and high efficiency, the spline functions are used to set the displacement of the bar, and the whole structure equations are constructed directly. it is convenient to analyze dynamic response of the structure by using the method

    文摘:用樣條有限元法分析了桿的接觸沖擊動力響應問題，建立了計算格式，並用算例說明該方法的有效性.該方法充分利用了樣條函數的解析和數值雙重性及連續性強的優點來構造桿的位移函數，因此可推廣應用於分析結構在沖擊荷載下的動力響應問題
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