shock wave method 中文意思是什麼

shock wave method 解釋
沖擊波法
  • shock : n 1 沖突;沖撞;沖擊;突擊。2 震動;沖動;激動。3 感動;憤慨;驚愕;震驚。4 地震。5 【醫學】休克...
  • wave : n 〈美海軍〉女志願軍人〈見 WAVES 條〉。n 1 波浪;碎浪; 〈the wave(s)〉 〈詩〉海。2 波動;波狀...
  • method : n 1 方法,方式;順序。2 (思想、言談上的)條理,規律,秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. The calculation results indicate that the starting performance of forebody / inlet with wedge - shaped lip is better than that with plane lip at low flight mach number. at high flight mach number, the performance of the forebody / inlets designed by the two methods is approximate. at low flight mach number, the starting performance of forebody / inlet designed by the method of constant shock wave intensity is better

    結果表明:唇口帶楔角的進氣道在低飛行馬赫數下的起動性能優于唇口平直的進氣道;採用等激波強度和等激波角度方法設計的進氣道在高飛行馬赫數下的性能相近,在低飛行馬赫數下,採用等激波強度方法設計的進氣道起動性能較優。
  2. This paper is concerned with, the existence and stability of travelling wave solutions for the viscous balance law which is an extension of viscous conservation law where a reaction term g ( u ) is added. l ) the existence of travelling wave solutions by geometric singular perturbation method, we investigate the existence of travelling waves ( a2 ) connecting a saddle point and a sink point and the existence of viscous shock waves c connecting two adjacent or disadjacent saddle points. by giving a detailed analysis of the fast and slow manifolds and verifying the transversality of the intersection of singular stable and unstable manifolds of the reduced problem along the singular heteroclinic orbit, we obtain the existence of travelling waves ( a2 ) in the case of a convex flow function / and that of viscous shock waves c under the assumption that f " is bounded

    主要結果如下: 1 )行波的存在性本文利用[ 37 ]中幾何奇異攝動理論,通過仔細分析= 0時的快流、慢流,驗證= 0時慢流方程的穩定與不穩定流形橫截相交於奇異異宿軌道,先在f為凸的條件下嚴格證明了( )存在連接不相鄰的鞍點、結點的行波( a2 ) ;然後在地f有界的條件下得到( )存在連接鞍點(包括相鄰和不相鄰)的粘性沖擊波c ,彌補了[ 11 ]缺少嚴格證明的不足,並推廣了[ 11 ]在f為凸的條件下得到的粘性沖擊波的存在性結果。
  3. In the situation of the rarefaction chasing after the shock wave, both the analysis solve and the important relation as to the characteristics of the wave form are obtained in the use of the characteristic line method before the rarefaction catching ip with the shock wave ; after thai, qualitatively, two kinds of wave forms, reflection shock wave and incidence shock wave, or reflection shock wave and incidence rarefaction, may be obtained as well as the corresponding conditions for their occurrence

    對稀疏波追趕沖擊波的情況,在稀疏波趕上沖擊波以前,利用特徵線方法,得到了此問題的解析解及有關波形特性的重要關系;在稀疏波趕上沖擊波以後,不僅定性地得到二者經過相互作用以後,可能產生的兩種不同波形,即反射的沖擊波和入射的沖擊波或者反射的沖擊波和入射的稀疏波,而且給出了產生不同波形所對應的條件。
  4. In this study a primary method for designing a waverider configuration is developed based on the approximate solution of conical flow fields. the simplified cone - derived shock wave is discussed as the basic model for design. different shapes designed from different compression angles and basic geometric coefficients at the same mach number are put into analysis

    本文基於高超聲速條件下錐型流近似解提出了高超聲速乘波構形的初步設計方案,對于不同馬赫數、壓縮角以及幾何設計參數進行了外形設計並就參數對設計外形的影響進行了討論,得到了設計參數影響外形的基本規律。
  5. The method permits the calculation of the three stages of shock wave evolution, and gives the temporal and spatial relationship of peak pressure, velocity, and profile of shock wave

    文中採用流體動力學模型,解析地描述了脈沖強激光輻照靶材時,激波的產生及增強、維持和衰減規律,給出了激波峰值壓力、激波速度、激波波形的時空關系。
  6. ( 2 ) by the jacobi elliptic function expansion method and computer symbolic systems ( maple, matlab ), many exact periodic solutions of nonlinear wave equations can be obtained and these solutions can degenerate solitary wave solutions, shock wave solutions, trigonometric function solutions

    ( 2 )利用jacobi橢圓函數表示法和數學計算軟體( maple , matlab等) ,可以得到一類常系數非線性發展方程的雙周期解,這些解能退化成孤立子解,沖擊波解,三角函數解。
  7. Thermodynamic computation indicates that copper melt at the final release state ( 1 atm ) in the shock pressure range from 148gpato 219gpa. method 2 : lagrange wave speed measurement

    由熱力學計算得出,無氧銅在從148gpa到219gpa的沖擊壓力下卸載到零壓時,有卸載熔化發生。
  8. Two - order enhanced un - split finite volume euler method for multi - fluid flow, which combines the roe approximate riemann solver, is developed to simulate the multi - fluid interactions, such as the fluid described by polynomial eos, stiffen gas eos, jones - wilkins - lee ( jwl ) gaseous explosive eos, cochran - chan ( cc ) solid explosive eos and hom shock wave eos, etc. numerical results of the id, 2d and 3d multi - fluid interaction examples show that the high - resolution method and interface capturing equations can resolve the multi - fluid flow correctly and successfully. a simple fluid - mixture type ppm algorithm for multi - fluid flow, which is based on vof interface capturing method and resolved by langange / remap two steps, is developed to simulate the high density or high pressure ratio flow at both sides of the interface

    本文提出了實用於多介質流體的增強型二階精度有限體積歐拉數值計算方法,採用roe方法近似求解riemann問題,可以適用於多項式狀態方程、 「 stiffengas 」狀態方程、 jones - wilkins - lee爆轟產物狀態方程、 cochran - chan固體炸藥狀態方程以及hom狀態方程等,並對多介質流體相互作用的一維、二維、三維問題進行數值計算,數值驗證了本文給出的高精度差分格式和界面捕捉方法的正確性,兩種方法耦合形成的多介質流體數值計算方法是成功的。
  9. An improved finite volume technique and total variation diminish scheme has been presented for solving the numerical problem with complex flow gas and space time processing synchronously, based on analysis of some numerical method for increasing the convergence, precise and strong capture capacity of shock wave

    針對高壓sf _ 6斷路器氣流場求解的復雜性和特殊性,在對常用氣流場數值求解方法應用特點分析的基礎上,本文採用改進的有限體積tvd格式進行斷路器氣流場數值求解,提高了解的收斂性、準確性和激波的捕捉能力。
  10. Abstract : the measurement method of pressure waveform of extracorporeal shock wave lithotriptor ( eswl ) and several problems related to measurement are discussed in this paper. and the lithotoiptor made by beijing zhongke jianan medical technique co. used to measure the waveform

    文摘:本文介紹了體外沖擊波碎石機( eswl )壓力波形的測量方法及測量過程中應解決的幾個問題,並對北京中科健安醫用技術公司生產的碎石機進行了測量。
  11. Study on internal supersonic flows with pseudo - shock wave using liquid crystal flow visualization method

    液晶流動可視化方法研究擬似沖擊波的內部超聲速流
  12. ( 2 ) by the jacobi elliptic function expansion method and computer symbolic systems ( maple, matlab or mathematica ), many exact periodic solutions of nonlinear wave equations can be obtained and under some conditions, these solutions degenerate solitary wave solutions, shock wave solutions, trigonometric function solutions respectively

    ( 2 )利用jacobi橢圓函數展開法和數學計算軟體( maple , matlab , mathematica等) ,可以求得一類常系數非線性發展方程的雙周期解,這些解能退化成孤立子解、沖擊波解、三角函數解。
  13. 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 ) 。
  14. In addition, quantitative research is made for the reflection wave and the incidence shock wave resulting from the interaction. the relationship of some quantitative factors like wave height and speed together with the computing method are the achievements of the research

    另外對于稀疏波與沖擊波相互作用以後產生一道反射的沖擊波和一道入射的沖擊波這種情況,給予了定量地研究,得到了波高、波速等一些定量之間的關系和計算方法。
  15. However, whether the conclusion could be applicable to porous samples with larger porosities needs to be further verified by experiments. in brief, this work has used shock wave experimental, thermodynamic and md method to study the hugoniot curves of 6. 151 - 6. 725mg / m3 porous iron

    綜上所述,本文採用沖擊波實驗、熱力學理論方法和分子動力學方法對初始密度為6 . 151 - 6 . 725g / cm ~ 3的多孔鐵樣品沖擊壓縮特性進行了研究。
  16. Abstract : some typical results of computation on the shock ( blast ) wave interaction ( 2 - d and 3 - d ) with bodies and its experimental validation in shock tube are summarized, the suggestion for improving the numerical method ( difference scheme and grid systems ), developing 3 - d optical quantitative visualization technology and further studying the unsteady turbulent flow are put forward

    文摘:給出了在二維和三維條件下激波(爆炸波)與物體相互作用的一些典型計算結果,概括總結了激波管中實驗的有效性,提出了改進數值方法(包括差分格式,網格系統) ,發展三維光學定量可視化技術和進一步研究非定常湍流的建議。
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