rarefaction wave造句

• Numerical modeling and analysis on rarefaction wave gun
  膨胀波枪炮发射原理数值建模与分析
• Stability of the rarefaction wave for the generalized bbm - burgers equation
  方程稀疏波解的稳定性英文
• By combining the transient change model method and rarefaction wave method , the multidimensional rules to detect the leakage and locate the leak point were set up
  并结合管道瞬变模型法与负压波法建立多维判别法则，解决输油管道泄漏检测及漏点定位的问题。
• Due to the release by the rarefaction wave from the rear of copper impactor , and with the measurement of the velocity at the interface of sample and window , the release path was detected
  利用来自飞片后界面稀疏波对被测样品卸载，测量了样品窗口界面的粒子速度剖面，得到了无氧铜的卸载路径。
• The results show that , when detonation sweeps a contact surface of inert gas , interactions of detonation , transmit shock and contact surface take place ; in condition of high n2 dilution proportion , detonation is decoupled by rarefaction waves
  在高n2比例稀释的可燃混合气体情况下，当爆轰波平掠过特定惰性气体界面时，它与惰性气体界面相互作用产生的稀疏波可以导致爆轰波的解耦。
• Using an l2 energy method proves that the solutions of the general initial - boundary problem to this relaxation model converges time - asymptotically to a stationary wave or a rarefaction wave or superposition of these two kinds wave for small perturbation
  对此松弛模型，用l ~ 2 ?能量方法证明了在小扰动的情形下，相应的一般初边值问题的解渐近收敛到一个稳定波或一个稀疏波或这两种非线性波的叠加。
• Compared with the initial value problem , the weak entropy solution of the initial - boundary value problem includes the following new interaction type : a central rarefaction wave collides with the boundary and the boundary reflects a new shock wave which is tangent to the boundary
  与初始值问题相比较，初边值问题的弱熵解包含了以下新的相互作用类型：中心稀疏波与边界相撞，边界反射出一个与之相切的新激波。
• Part two introduces some known preliminary results which will be used frequently in the following text . after smoothing the solution to the rarefaction wave , we further give some decay estimates which plays an important role in the following estimate
  第二部分主要介绍了本文所需要的一些已知结果，在对稀疏波进行光滑化处理后，进一步给出了关于光滑稀疏波的一些衰减估计，这些衰减估计在后面的估计中起着重要的作用。
• All the improvements included the modifications on the sound velocity , characteristic mach number and the mach number at the grid interface . several 2d flow fields which had shock , shear flow , rarefaction wave , or turbulent boundary layer and the combination of them were computed
  该格式改进了声速、特征马赫数的处理方式，对网格界面马赫数进行了修正，并求解了含有脱体激波、斜激波、剪切流、膨胀扇、及湍流附面层等流动特征的复杂流动。
• If the inviscid solution includes the interaction that a central rarefaction wave collides with the boundary and the boundary reflects a new shock wave which is tangent to the boundary , or the inviscid solution includes some shock wave which is tangent to the boundary , then the error of the viscosity solution to the inviscid solution is bounded by o in l1 - norm ; otherwise , as in the initial value problem , the error bound is o
  如果无粘解包含中心稀疏波与边界相撞且边界反射一个与之相切的新激波这样的相互作用，或者无粘解包含与边界相切的激波，那么在l ~ 1 -范数下粘性解与无粘解间的误差界是o ( ~ ( 1 / 2 ) + | ln | + ) ；否则，类似于初始值问题，误差界是o ( | ln | + ) 。
• The hyperbolic conservation laws with relaxation appear in many physical systems such as nonequilibrium gas dynamics , flood flow with friction , magnetohydrodynamics , etc . firstly , the thesis proves that there exists a unique global smooth solution for the cauthy problem to the hyperbolic conservation laws system with relaxation ; secondly , in the large time station , the thesis proves that the global smooth solutions of the hyperbolic conservation laws system with relaxation converge to rarefaction waves solution at a determined l ( p > 2 ) decay rate
  带松弛项的双曲型守恒律组出现在诸多的物理系统中。例如，非平衡态的气体动力学、带摩擦的水流、磁动力学等。本文首先证明，带松弛项的双曲型守恒律组的柯西问题的整体光滑解的存在唯一性；其二，证明了带松弛项的双曲型守恒律组的解与相应的平衡态守恒律的稀疏波解在大时间状态下的l ~ p衰减率。
• In chapter 1 , the thesis studys the following cauthy problem to hyperbolic system with nonlinear relaxation term we prove that for the initial value with bounded c1 norm , there exists a unique global smooth solution for the cauthy problem ( 1 ) , ( 2 ) ; in chapter 2 , the thesis considers the following hyperbolic system with relaxation term and the sclar conservaton law equation when e is fixed , for a certain class of initial data , in the large time station , the thesis gets a determined lp ( p > 2 ) decay rate between the golbal smooth solutions of system ( 3 ) and the rarefaction waves solution of equation ( 4 )
  在第一章中，研究如下带非线性松弛项的双曲组的柯西问题证明了，对c ~ 1模有界的初值，柯西问题( 1 ) ， ( 2 )存在唯一的整体光滑解。在第二章中，考虑如下带松弛项的双曲组和单守恒律方程u _ t + f ( u ) _ x 0 ， ( x ， t ) r r ~ + 。 ( 4 )当固定时，对一类初值，得到方程组( 3 )柯西问题的整体光滑解与方程( 4 )的稀疏波解间在大时间状态下的l ~ p ( p 2 )衰减率。