• Volume 26 Issue 3
    Aug.  2021
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    LIU Yuying, ZHANG Xinxin. Selection of Angular Quadrature Schemes for Discrete Ordinate Method[J]. Chinese Journal of Engineering, 2004, 26(3): 315-318. doi: 10.13374/j.issn1001-053x.2004.03.023
    Citation: LIU Yuying, ZHANG Xinxin. Selection of Angular Quadrature Schemes for Discrete Ordinate Method[J]. Chinese Journal of Engineering, 2004, 26(3): 315-318. doi: 10.13374/j.issn1001-053x.2004.03.023

    Selection of Angular Quadrature Schemes for Discrete Ordinate Method

    doi: 10.13374/j.issn1001-053x.2004.03.023
    • Received Date: 2003-07-02
      Available Online: 2021-08-16
    • The radiative heat transfer of one-dimensional plane-parallel slabs under radiative equilibrium was investigated by Discrete Ordinate Method (DOM): The selection of angular quadrature schemes, which is very important to the accuracy and calculation time of DOM, was studied. The accuracy of the SN approximation quadrature scheme, Fiveland's angular quadrature scheme with equal weights FN and Gauss angular quadrature scheme GN was analyzed. It shows that the accuracy and computation time of DOM increases with the increase of the order of each quadrature scheme. The accuracy of DOM is different from each other for the three quadrature schemes with the same order and FN is the best one among them. As a conclusion, FN is recommended in DOM calculations.

       

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