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numerical dissipation in Chinese

Pronunciation:
How to pronounce "numerical dissipation""numerical dissipation" in a sentence

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  • 數(shù)值耗散

Examples

  • Compared with the original elm , the numerical experiments show that the improved elm has lower numerical dissipation , higher accuracy , and better performance over steep topography
    數(shù)值試驗(yàn)表明,改進(jìn)后的歐拉拉格朗日方法在水深變化劇烈處比改進(jìn)前的數(shù)值耗散更小、精度更高和表現(xiàn)更合理。
  • 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。
  • However , when we use these schemes to compute the initial problem of hyperbolic conservation laws , there is still numerical dissipation near the interface , that is to say , the resolution is decreased near the interface
    但是,我們知道,即使用這兩種格式來計(jì)算雙曲守恒律方程的初值問題,在間斷面的附近仍會(huì)發(fā)生數(shù)值耗散,也就是說在間斷處的分辨率降低了。
  • For scalar equation and system of equations , we build different ghost fields , translate one equation ( system ) into two equations ( system ) . we still use high resolution shock capturing method to compute the two equations ( system ) ; level set equation is used to track the interface , and the result of original equation ( system ) is determined by the level set function . thus , we eliminate the numerical dissipation which high resolution shock capturing method cannot avoid near the interface , and the resolution is enhanced
    對(duì)標(biāo)量守恒律方程、守恒律方程組分別構(gòu)造了一種虛擬區(qū)域,將一個(gè)方程(組)轉(zhuǎn)化成兩個(gè)方程(組) ,對(duì)這兩個(gè)方程(組) ,我們?nèi)匀皇褂酶叻直媛始げú蹲礁袷?,而levelset方程用來追蹤間斷的位置,原方程(組)的解最后由levelset函數(shù)決定:這樣做彌補(bǔ)了高分辨率激波捕捉方法在間斷附近發(fā)生數(shù)值耗散的缺陷,提高間斷處的分辨率。
  • The investigation in this dissertation shows the capabilities of ausm + scheme , such as the exact resolution of shock , low numerical dissipation , simple and requiring less computational effort . the successful applications on supercritical airfoils and wings show that the present flow solvers based on ausm + scheme are of valuable and promising in practical application
    通過本文的研究工作,展示了ausm +格式的激波高分辨率、數(shù)值耗散小、編程簡潔、計(jì)算量較小等特性,同時(shí),將其成功地應(yīng)用于跨音速超臨界翼型、機(jī)翼的定?;蚍嵌ǔ鈩?dòng)特性的數(shù)值模擬和顫振研究中,具有一定的工程應(yīng)用價(jià)值和良好的發(fā)展前景。
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