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Ⱦɨɫɬɨɢɧɫɬɜ RANS
ɉɨɡɜɨɥɹɬ ɢɫɩɨɥɶɡɨɜɚɬɶ ɭɩɪɨɳɟɧɧɵɟ ɭɪɚɜɧɟɧɢɹ
•ɞɜɭɦɟɪɧɵɟ
•ɬɚɤ ɢ ɫɬɚɰɢɨɧɚɪɧɵɟ ɭɪɚɜɧɟɧɢɹ
RANS ɝɨɪɚɡɞɨ ɛɨɥɟɟ ɷɤɨɧɨɦɢɱɟɧ, ɱɟɦ LES ɢ, ɬɟɦ ɛɨɥɟɟ, DNS
əɜɥɹɟɬɫɹ ɧɚɢɛɨɥɟɟ ɲɢɪɨɤɨ ɩɪɢɦɟɧɹɟɦɵɦ ɦɟɬɨɞɨɦ ɩɪɢ ɩɪɚɤɬɢɱɟɫɤɢɯ ɪɚɫɱɟɬɚɯ ɬɭɪɛɭɥɟɧɬɧɵɯ ɬɟɱɟɧɢɣ
ɇɟɞɨɫɬ ɬɤɢ RANS
ɇɟ ɫɭɳɟɫɬɜɭɟɬ «ɭɧɢɜɟɪɫɚɥɶɧɨɣ ɦɨɞɟɥɢ ɬɭɪɛɭɥɟɧɬɧɨɫɬɢ», ɤɚɠɞɚɹ ɦɨɞɟɥɶ ɢɦɟɟɬ ɫɜɨɸ «ɨɛɥɚɫɬɶ ɩɪɢɦɟɧɢɦɨɫɬɢ»
Ⱦɚɠɟ ɩɪɢ ɬɳɚɬɟɥɶɧɨɦ ɜɵɛɨɪɟ ɦɨɞɟɥɢ ɧɟɜɨɡɦɨɠɧɨ ɝɚɪɚɧɬɢɪɨɜɚɬɶ ɜɵɫɨɤɭɸ ɬɨɱɧɨɫɬɶ ɪɚɫɱɟɬɚ
ɇɚɤɨɩɥɟɧ ɨɝɪɨɦɧɵɣ ɨɩɵɬ ɩɪɢɦɟɧɟɧɢɹ ɦɨɞɟɥɟɣ ɬɭɪɛɭɥɟɧɬɧɨɫɬɢ
Ʌɭɱɲɢɟ ɦɨɞɟɥɢ ɬɭɪɛɭɥɟɧɬɧɨɫɬɢ ɨɛɟɫɩɟɱɢɜɚɸɬ ɞɨɫɬɚɬɨɱɧɨ ɜɵɫɨɤɭɸ ɬɨɱɧɨɫɬɶ ɪɚɫɱɟɬɚ ɧɟɤɨɬɨɪɵɯ ɤɥɚɫɫɨɜ ɬɟɱɟɧɢɣ, ɜ ɱɚɫɬɧɨɫɬɢ,
ɩɨɝɪɚɧɢɱɧɵɯ ɫɥɨɟɜ
Ƚɢɛɪɢɞɧɵɟ ɦɟɬɨɞɵ
ɋɨɡɞɚɧɢɟ ɦɟɬɨɞɚ ɨɛɴɟɞɢɧɹɸɳɟɝɨ ɩɪɟɢɦɭɳɟɫɬɜɚ RANS ɢ LES
RANS
ȼɵɫɨɤɚɹ ɬɨɱɧɨɫɬɶ ɪɚɫɱɟɬɚ ɩɪɢɫɬɟɧɧɵɯ ɬɟɱɟɧɢɣ ɩɪɢ ɫɤɪɨɦɧɵɯ ɬɪɟɛɨɜɚɧɢɹɯ ɤ ɫɟɬɤɟ
LES
ȼɵɫɨɤɚɹ ɬɨɱɧɨɫɬɶ ɪɚɫɱɟɬɚ ɨɬɪɵɜɧɵɯ ɬɟɱɟɧɢɣ
Ƚɢɛɪɢɞɧɵɟ ɦɟɬɨɞɵ
Ʉɨɦɩɪɨɦɢɫɫ:
ɉɨɡɜɨɥɹɸɬ ɩɨɥɭɱɚɬɶ ɞɨɫɬɚɬɨɱɧɨ ɬɨɱɧɵɟ ɪɟɡɭɥɶɬɚɬɵ ɞɥɹ ɫɥɨɠɧɵɯ (ɜ ɩɟɪɜɭɸ ɨɱɟɪɟɞɶ ɨɬɪɵɜɧɵɯ) ɬɟɱɟɧɢɣ ɩɪɢ ɩɪɢɟɦɥɟɦɵɯ
ɡɚɬɪɚɬɚɯ
Ɋɟɡɸɦɟ
•ɋɭɳɟɫɬɜɭɟɬ ɦɧɨɠɟɫɬɜɨ ɦɟɬɨɞɨɜ ɪɚɫɱɟɬɚ ɬɭɪɛɭɥɟɧɬɧɵɯ ɬɟɱɟɧɢɣ. Ɉɛɵɱɧɨ ɱɟɦ ɬɨɱɧɟɟ ɦɟɬɨɞ, ɬɟɦ ɛɨɥɶɲɟ ɜɵɱɢɫɥɢɬɟɥɶɧɵɯ ɪɟɫɭɪɫɨɜ
ɬɪɟɛɭɟɬɫɹ ɞɥɹ ɟɝɨ ɢɫɩɨɥɶɡɨɜɚɧɢɹ
•ȼ ɩɪɹɦɨɦ ɱɢɫɥɟɧɧɨɦ ɦɨɞɟɥɢɪɨɜɚɧɢɢ (DNS) ɪɚɡɪɟɲɚɸɬɫɹ ɜɫɟ ɬɭɪɛɭɥɟɧɬɧɵɟ ɦɚɫɲɬɚɛɵ, ɩɨɷɬɨɦɭ ɩɪɢɦɟɧɹɬɶ ɟɝɨ ɜɨɡɦɨɠɧɨ ɬɨɥɶɤɨ ɩɪɢ
ɧɢɡɤɢɯ ɱɢɫɥɚɯ Ɋɟɣɧɨɥɶɞɫɚ
•Ɇɟɬɨɞ ɦɨɞɟɥɢɪɨɜɚɧɢɹ ɤɪɭɩɧɵɯ ɜɢɯɪɟɣ (LES) ɬɨɠɟ ɞɨɫɬɚɬɨɱɧɨ ɬɨɱɟɧ,
ɧɨ ɡɚɬɪɚɬɵ ɩɨɤɚ ɧɟɩɪɢɟɦɥɟɦɵ ɞɥɹ ɪɟɲɟɧɢɹ ɩɪɢɤɥɚɞɧɵɯ ɡɚɞɚɱ
•ȼ ɧɚɫɬɨɹɳɟɟ ɜɪɟɦɹ ɚɤɬɢɜɧɨ ɪɚɡɜɢɜɚɸɬɫɹ ɝɢɛɪɢɞɧɵɟ ɦɟɬɨɞɵ – ɩɨɢɫɤ
ɤɨɦɩɪɨɦɢɫɫɚ ɦɟɠɞɭ ɬɨɱɧɨɫɬɶɸ ɢ ɷɤɨɧɨɦɢɱɧɨɫɬɶɸ
•ɇɚ ɩɪɚɤɬɢɤɟ ɱɚɳɟ ɜɫɟɝɨ ɢɫɩɨɥɶɡɭɟɬɫɹ ɦɟɬɨɞ ɪɟɲɟɧɢɹ ɭɪɚɜɧɟɧɢɣ Ɋɟɣɧɨɥɶɞɫɚ
•ɍɪɚɜɧɟɧɢɹ Ɋɟɣɧɨɥɶɞɫɚ ɡɚɦɵɤɚɸɬɫɹ ɩɪɢ ɩɨɦɨɳɢ ɩɨɥɭɷɦɩɢɪɢɱɟɫɤɢɯ ɦɨɞɟɥɟɣ ɬɭɪɛɭɥɟɧɬɧɨɫɬɢ
•Ɉɛɵɱɧɨ ɢɫɩɨɥɶɡɭɟɬɫɹ ɝɢɩɨɬɟɡɚ Ȼɭɫɫɢɧɟɫɤɚ – ɥɢɧɟɣɧɚɹ ɫɜɹɡɶ ɦɟɠɞɭ
ɧɚɩɪɹɠɟɧɢɹɦɢ Ɋɟɣɧɨɥɶɞɫɚ ɢ ɬɟɧɡɨɪɨɦ ɫɤɨɪɨɫɬɟɣ ɞɟɮɨɪɦɚɰɢɣ