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Research on Temperature Field Reconstruction Based on RBF Approximation with Polynomial Reproduction Considering the refraction effect of Sound Wave Paths

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Sound & Vibration 2018年第4期52卷 9-20页

作者： Qian Kong Genshan Jiang Yuechao Liu North China Electric Power University Baoding071003China State Key Laboratory of Acoustics Institute of AcousticsChinese Academy of SciencesBeijing100190China

The temperature field distribution directly reflects the combustion condition in a *** this paper,acoustic thermometry to reconstruct temperature distribution is investigated.A method based on radial basis function approximation with polynomial reproduction(RBF-PR)is proposed in order to improve the accuracy and stability of the method based on RBF *** addition,the refraction effect of sound wave paths is considered in the process of *** curved lines with refraction effect are numerically calculated by solving differential equations,which show that sonic waves curve towards the zones of higher *** reconstructed performance is validated via numerical simulation using four temperature distribution *** and analysis show that the proposed method has much greater accuracy than the method based on RBF approximation,and when considering the effect of refraction,our method can reconstruct more excellent reconstruction performance than others,which do not take into account the refraction effect of sound wave paths.

关键词： Acoustic thermometry RBF,RBF with polynomial reproduction refraction effect sound wave paths

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Analysis of strong refractive effect within 11Li projectile structure

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Chinese Physics C 2021年第2期45卷 414-425页

作者： Kassem O.Behairy M.El-Azab Farid Awad A.Ibraheem Ola Ramadan M.Anwar Physics Department Aswan UniversityAswan 81528Egypt Physics Department Assiut UniversityAssiut 71516Egypt Physics Department King Khalid UniversityAbhaSaudi Arabia Physics Department Al-Azhar UniversityAssiut 71524Egypt

In the context of the double folding optical model,the strong refractive effect for elastic scattering of 11Li+12C and 11Li+28Si systems at incident energies of 29,50,and 60 MeV/n is *** folded potentials are generated based on a variety of nucleon-nucleon interactions with the suggested density distributions for the halo structure of 11Li *** rearrangement term(RT)of the extended realistic density dependent CDM3Y6 effective interaction is *** imaginary potential was taken in the traditional standard Woods-Saxon *** results for the calculated potentials are obtained,with a slight effect of the RT in CDM3Y6 *** reproduction with a normalization factor close to one for the observed angular distributions of the elastic scattering differential cross section has been achieved using the derived *** obtained reaction cross-section is studied as a guide by extrapolating our calculations and previous results.

关键词： optical model elastic and inelastic scattering halo nuclei folding model refraction effect

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