artificial dissipation造句
例句與造句
- finally, numerical experiments are carried out to weigh the influence of the artificial dissipation coefficient a and the pseudo-compressibility coefficient
另外,本文也對(duì)人工耗散系數(shù)和人工可壓縮系數(shù)對(duì)數(shù)值計(jì)算的影響進(jìn)行了實(shí)驗(yàn)。 - to ensure the numerical dissipation much smaller than the physical viscous terms, directional scaling of the artificial dissipation is achieved and proper boundary conditions are also introduced in this term
為保證高雷諾數(shù)下n-s方程的數(shù)值粘性遠(yuǎn)小于物理粘性,對(duì)人工粘性項(xiàng)進(jìn)行了方向性修正并引入適當(dāng)?shù)倪吔鐥l件。 - the further extension of the method for solving euler's equations is then presented with five-stage runge-kutta time-stepping scheme, studying the artificial dissipation model of unstructured mesh method
針對(duì)守恒型euler方程組的無網(wǎng)格離散形式,借鑒非結(jié)構(gòu)網(wǎng)格方法附加耗散模型,采用五步runge-kutta顯式時(shí)間推進(jìn)格式求解。 - to overcome the disadvantages of pseudo-compressibility algorithm, four-order artificial dissipation term is added to the right of the differential equation, and the recommended formula is offered for the choice of the artificial dissipation coefficient
為了克服人工可壓縮方法可能帶來的數(shù)值振蕩,本文在離散方程的右端顯式添加四階人工耗散項(xiàng),并就人工耗散系數(shù)的選取給出了推薦公式。 - to overcome the disadvantages of pseudo-compressibility algorithm, four-order artificial dissipation term is added to the right of the differential equation, and the recommended formula is offered for the choice of the artificial dissipation coefficient
為了克服人工可壓縮方法可能帶來的數(shù)值振蕩,本文在離散方程的右端顯式添加四階人工耗散項(xiàng),并就人工耗散系數(shù)的選取給出了推薦公式。 - It's difficult to find artificial dissipation in a sentence. 用artificial dissipation造句挺難的
- the ns solver is developed from euler equation code by adding viscous terms and two-equation turbulence models . in order to get a better result, the improved jameson second and forth artificial dissipation is used, the implicit residual averaging and local time step techniques are employed to accelerate the convergence processing
本文是在歐拉方程求解器的基礎(chǔ)上,通過加入粘性(耗散)項(xiàng),把流場的主控方程由歐拉方程(euler)改為ns方程,然后引入兩方程湍流模型,使其封閉。 - then the explicit finite-volume method for the two-dimensional steady navier-stocks equations is studied . in order to prevent odd-even decoupling of the solution and oscillations near the shock waves, artificial dissipation is added . local time step, residue averaging, enthalpy damping and multi-grid method are used to accelerate the convergence during the five-step runge-kutta explicit time marching
在計(jì)算中,采用五步runge-kutta顯式時(shí)間推進(jìn),引進(jìn)人工耗散項(xiàng)以克服中心差分固有的奇偶不關(guān)聯(lián)性和抑制激波附近解的振蕩,應(yīng)用了當(dāng)?shù)貢r(shí)間步長、殘值光順、焓阻尼、多重網(wǎng)格法等措施加速計(jì)算收斂。 - the main numerical method of this code is coming from scheme ( jameson, schimit and turkel ) : using cell-centered finite volume method as spatial discretization tools, and a system of ordinary differential equations for time variable is obtained, which is solved by utilizing five-step runge-kutta scheme as time marching method, introducing artificial dissipation to damp high frequency oscillations near the shock and stagnation point
本論文采用歐拉方程作為控制方程,利用中心有限體積法進(jìn)行空間離散,得到對(duì)時(shí)間變量的常微分方程組,采用龍格庫塔多步法進(jìn)行時(shí)間積分,加入人工粘性以消除激波和駐點(diǎn)附近的壓力振蕩等方法來對(duì)naca0012翼型的實(shí)際流動(dòng)進(jìn)行并行數(shù)值模擬。 - the cell-centered symmetric finite volume arithmetic and runge-kutta time stepping scheme are performed to solve euler equation . the two order and four order artificial dissipation is introduced for stability, local time stepping and implicit residual smoothing technique is applied to save computer time
在求解euler方程方面,采用格心格式的有限體積法進(jìn)行空間離散,四步runge-kutta法作時(shí)間推進(jìn),二階、四階人工耗散作為穩(wěn)定措施,還采用當(dāng)?shù)貢r(shí)間步長和隱式殘值光順提高收斂速度。