爆炸與沖擊 的英文怎麼說
中文拼音 [bàozháyǔchōngjī]
爆炸與沖擊
英文
explosion and shock waves-
Non - die explosive forming of thin - wall spherical vessel
爆炸與沖擊載荷下結構和材料動態響應研究的新進展During its storage, transportation, maintenance and service, the solid rocket motor ( srm ) may encounter many incidents such as being dropped onto the ground while being hoisted up, crashing when vehicle turns over during transportation, being struck heavily in takeoff or landing accident while being carried by airplane, impacting with launch platform or buildings when there is abnormality during launch of multiple - stage rocket. impact of great intensity takes place in such accidents, which will lead to srm ignition or explosion
固體火箭發動機在貯存、運輸、維護及使用過程中可能遇到各種意外機械撞擊激勵,例如:吊裝過程中跌落,運輸過程中因交通事故發生翻覆碰撞,機載固體導彈掛飛時因載機發生起降事故導致高速沖撞,多級火箭發射初期因發射異常與發射架或地面建築物發生碰撞等,固體火箭發動機將受到劇烈機械撞擊載荷作用,導致其著火燃燒甚至爆炸。The major research areas of a ship against non - contact underwater explosion include four sectors, namely, ( 1 ) the characteristics of fluid field disturbed by an underwater explosion ( loadings of underwater explosion ) ; ( 2 ) the analysis of transient fluid - structure interactions, and the corresponding dynamic responses of the ship ; ( 3 ) safety assessment of the ship structure undertaking the elastic - plastic dynamic responses ; and ( 4 ) determination of the shock environment imposed on the shipboard equipments, and evaluation of shock protection design
即非接觸水下爆炸的流場特徵(水下爆炸載荷) 、瞬態流場與結構相互作用所決定的艦船動響應分析方法、以彈塑性動變形響應分析為依據的艦船結構水下爆炸安全性評估與防護技術、以船體結構動響應為輸入條件的船用設備沖擊環境的確定方法及相應的設備抗沖擊設計分析方法。Study of interaction between shock wave and surface in the excavation roadway during gas explosion
掘進巷道瓦斯爆炸沖擊波與巷道壁面作用研究Explosion and shock waves
爆炸與沖擊The comparisons of the results predicted by this formula, and those given by cole ' s theory for the explosions with different explosion weight ( l ~ 1000kg ) in different explosion depth ( 12 ~ 150m ), show that this formula presents satisfactory precision, and can be employed for engineering predictions of the underwater explosion loadings
利用該公式進行水下12 150m處1 1000kg藥量爆炸產生的爆炸載荷,並與數值計算結果比較,表明該公式具有良好的預報精度,可供工程使用。水下爆炸作用下艦船的動響應理論是艦船抗沖擊設計的基礎。In this paper, the concepts, the historical background, the importance and current application of scientific computing and visualization of scientific computing are introduced and the visualization of computational detonation mechanics is specially expounded. based on the sumarization of the visualization software visc2d and visc3d directing at the mmic ( multi _ material in cell ), the key point of the improvement and the research contents are listed. based on the basic visualization reference model and the data file format of mmic, the file format of vector data is defined. the 2 - d data field visualization technology is described in detail. include the visualization of scalar field and vector field. the weak points of the visc2d software is overcome, and we propose the full - frame coloring mapping method and the visualization of the vector data using the clic ( coloring _ noise line integral convolution ). in addition, the method to draw and display shock wave by edge probing operator is introduced. in the design of the program, in order to overcome the shortcoming of visc2d with sdi ( single document interface ), the software vsv ( visualization of scalar and vector ) with mdi ( multi document interface ) is designed. compared with visc2d, the advantage of vsv includes : ( l ) vsv is a mdi applied software which can be used to view various kind of data, ( 2 ) vsv resolves the flash during displaying moving images which are produed by full - frame coloring method used to the visualization of scalar fields, and ( 3 ) vsv can be used to visualize vector field such as velocity. at last, the visualization of the output data from mmic in explosion and shock is realized by vsv
首先簡要介紹了科學計算與科學計算可視化的概念、歷史背景、意義及應用現狀,重點說明了計算爆炸力學中的可視化問題,在總結多流體網格程序mmic的可視化軟體visc2d和visc3d的基礎上提出了改進要點和本文的研究內容。在介紹可視化基本參考模型和mmic程序的數據文件結構的基礎上,給出了矢量數據文件的結構,詳細闡述了二維數據場的可視化技術,包括標量場和矢量場的可視化,針對原visc2d軟體的不足,給出了改進方法,提出了全幀著色映射方法和用於矢量數據可視化的基於噪聲著色的線積分卷積方法,以及提出了利用邊緣檢測運算元提取和顯示沖擊波的方法。在程序設計上,針對原visc2d軟體只適用於單文檔窗口的缺點,本文利用多文檔mdi窗口,研製了標量場與矢量場的可視化軟體vsv ( visualizationofscalarandvector ) 。分享友人