지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
이용수
초록· 키워드
오류제보하기
Effect of the nonuniform grid on the two-dimensional transport equation was investigated in terms of theoretical analysis and finite difference method (FDM). The nonuniform grid having a typical structure of the numerical weather forecast model was incorporated in the vertical direction, while the uniform grid was used in the zonal direction. The staggered and non-staggered grid were placed in the vertical and zonal direction, respectively. Time stepping was performed with the third-order Runge Kutta scheme. An error analysis of the spatial discretization on the nonuniform grid was carried out, which indicated that the combined effect of the nonuniform grid and advection velocity produced either numerical diffusion or numerical adverse-diffusion. An analytic function is used for the quantitative evaluation of the errors associated with the discretized transport equation. Numerical experiments with the non-uniformity of vertical grid were found to support the analysis.
목차
등록된 정보가 없습니다.
참고문헌 (28)
참고문헌 신청
Arakawa, A. / 1972 / Design of the UCLA general circulation model. UCLA Meteorology Department Tech. Rep. 7 :116
Arakawa, A. / 1977 / Computational design of the basic dynamical processes of the UCLA general circulation model. Methods in Computational Physics, Vol. 17 / Academic Press :173~265
Browning, G.L. / 1989 / A comparison of three numerical methods for solving differential equations on the sphere / Monthly Weather Review 117:1058~1075
Cheong, H.B. / 2006 / A dynamical core with double Fourier series: Comparison with the spherical harmonics method / Monthly Weather Review 134:1299~1315
Cheong, H.B. / 2015 / Fourier finite-element method with linear basis functions on a sphere: Application to elliptic and transport equations / Monthly Weather Review 143:1275~1294
Arakawa, A. / 1977 / Computational design of the basic dynamical processes of the UCLA general circulation model. Methods in Computational Physics, Vol. 17 / Academic Press :173~265
Browning, G.L. / 1989 / A comparison of three numerical methods for solving differential equations on the sphere / Monthly Weather Review 117:1058~1075
Cheong, H.B. / 2006 / A dynamical core with double Fourier series: Comparison with the spherical harmonics method / Monthly Weather Review 134:1299~1315
Cheong, H.B. / 2015 / Fourier finite-element method with linear basis functions on a sphere: Application to elliptic and transport equations / Monthly Weather Review 143:1275~1294
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