Study on method to improve the accuracy of holospectrum 提高全息譜分析精度方法的研究
Study on analytic precision of laser microemission spectral analysis in argon atmosphere at reduced pressure 減壓氬氣環(huán)境下激光微區(qū)發(fā)射光譜分析精度的研究
The effect of choosing calculating boundary on the accuracy of slope stability analysis under seepage 計算邊界范圍的選取對滲流作用下邊坡穩(wěn)定性分析精度的影響
With broad application of the method of neutron activation and chemical - spectral analysis , the accuracy of analysis has greatly improved ( up to 0 . 01 10 ^ ( - 9 ) ) 隨著中子活化法和化學光譜法的廣泛應用,分析精度有了大幅度提高(可達0 . 01 10 ^ ( - 9 ) ) 。
The fluid loadings of underwater explosion excite the dynamic responses of the ship . no reasonable responses of the ship to underwater explosion may be predicted without correct description of the fluid loadings 水下爆炸載荷是艦船水下爆炸動響應的激勵源,爆炸載荷的準確描述是保證艦船爆炸動響應分析精度的基礎。
Friction models normally applied in finite element analyses for bulk metal forming are the constant friction model and arctangent friction model . however frictional conditions are often variational in realistic metal forming processes 而在實際成形過程中,摩擦的狀態(tài)是不斷變化的,因此,摩擦問題是影響有限元分析精度的一個重要因素。
The processing results revealed that 3 - d wed is a more reasonable datum - correction method thereby the accuracy of velocity analysis and the imaging quality are improved significantly 對于西部某三維數(shù)據(jù)的實際計算結果表明,相對于傳統(tǒng)的模型法高程靜校正,波動方程基準面校正更合理地實現(xiàn)了基準面校正,有助于提高后續(xù)的速度分析精度和成像質量。
The precision of the embankment ' s settlement forecast and analysis should be higher because the design of the expressway back - work settlement is exactly confined . therefore , the traditional algorithm method ca n ' t meet the demands 高速公路工后沉降的設計要求很高,相應對軟土地基沉降的預測分析精度要求也很高,傳統(tǒng)的計算方法已經無法滿足這一要求。
Annual peak load is affected by multifarious factors , specially by local circumstance . at present , the methods of annual peak load forecasting are simple and low precision , and furthermore , none of these methods is considering of local circumstance 年最大負荷受多種因素影響,地區(qū)性特點強,目前的預測方法較為簡單,分析精度不高,且沒有針對地區(qū)特點的年最大負荷預測方法。
This paper introduces the fundamental theory of complementary fem and combines complementary fem with energy methods to calculate electromagnetic field , especially to compute the electromagnetic parameters of the electromagnetic devices 本文介紹了互補有限元法的基本理論,并結合能量法將互補有限元法應用于電磁場數(shù)值計算,為電磁裝置中電磁參數(shù)計算提供了符合工程分析精度要求的實用的數(shù)值計算方法。