LennonͲMcCartney 䈮䈧䈇䈩
Beatles
䈱ᄙ䈒䈱ᦛ䈱⹖䇮ᦛ䉕ᚻ䈏䈔䈢ੑੱ䈱
䊜䊮䊋䊷
JohnLennon䇮
Paul McCartney䈱䉮䊮䊎䉕
䈹ฬ䇯ᦛ䈮䉋䈦䈩䈬䈱䉋䈉䈮⹖䇮ᦛ䉕ᚻដ 䈔䈢䈎䈲⇣䈭䉎䈏䋨ታ䈲න⁛䉅ᄙ䈇䋩䇮ᱴ䈬䈏
LennonͲMcCartneyฬ䈪䉪䊧䉳䉾䊃䈘䉏䈢䇯
EFD/CFD 䈲 LennonͲMcCartney 䈪䈭䈔䉏䈳䈭䉌䈭䈇
ฬฎደᄢቇᎿቇ⎇ⓥ⑼⥶ⓨቝቮᎿቇኾ
ቬ┨ᒄ䇮㈬ᱞᴦ䇮᧻↰ᷕ
2008.2.26
ᄤ᳇੍ႎ䈲ᒰ䈢䉌䈭䈇䈎 䌾 Ill-Posed Problem 䌾
CFD
Measurement
ⓨ㑆䈅䉎䈇䈲ᤨ㑆ゲ
ᡷ䉄䈭䈔䉏䈳䈭䉌䈭䈇⠨䈋ᣇ
• CFD
䈲䇮ታ㛎䉕ౣ䈚䈭䈔䉏䈳䈭䉌䈭䈇䇯
• CFD
䈲䇮ታ㛎䉕ౣ䈜䉏䈳䉋䈇䇯
• CFD
䈲䇮ታ㛎䈏䈭䈇䈫ᱜ䈚䈇䈫䈲⸒䈋䈭䈇䇯
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ౕ䋺䊧䊷䉱䊷䊌䊦䉴䈮䉋䉎
㖸ㅦ᛫ജૐᷫ (PushͲPull ⶄวផㅴ )
㗴䈱ᕈ⾰䈫 EFD/CFD 䈱ᓎഀ
Small
ജ䋯⸘▚ ⸃ᐲᲧ
LargeWellposed Ill posed
EFD CFD
䊶᛫ജૐᷫ䊜䉦䊆䉵䊛䈱⸃
䊶േ᧦ઙ䈱⸳⸘
EFD/CFD 䈱Ⲣว䈪ోኈ䈏䉒䈎䉎
EFD
䊶శቇนⷞൻ
䊶ᶰ䉂ὐജጁᱧ
䊶᛫ജ᷹ቯ䋨ᬌ⸽䋩
CFD
䊶ജ䉣䊈䊦䉩䊷䈱 ታല୯
䊶ᵹ䉏႐䈱ౝㇱ⸻ᢿ 䊶᛫ജૐᷫ䉟䊮䊌䊦䉴 䋨੍᷹୯䋩
Condition&Tools
EFD CFD
䊶ੑᰴరゲኻ⒓ 䊶Perfectgas
䊶Fluxevaluation:AUSMͲDV
Energy;450mJ Wavelength;1064nm FWHM;9ns
M=3.0
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䈬䈉䈜䉎ᔅⷐ䈏䈅䉎䈎
• CFD䈲䇮⸃ᐲ䈏⿷䉌䈭䈇ಽ䈣䈔䇮䋨ታ㛎䈮ว䈉䉋䈉䈮䋩ታ 㛎ᖱႎ䉕ജ䈜䉎ᔅⷐ䈏䈅䉎䇯
• CFD䈲䇮ౝㇱ⸻ᢿ䇮੍᷹䈱ᚻᲑ䈪䈅䉍䇮selfͲconsistent䈮ታ 㛎䉕ౣ䈜䉎䈖䈫䈏⋡⊛䈪䈲䈭䈇䇯ታ㛎ᖱႎ䈫ว䉒䈞䈩 ᅤ䈮↪䈭ᖱႎ䉕ᒁ䈐䈜䈎䈏㊀ⷐ䈪䈅䉎䇯
ᶰ䉂ὐ䈮䈍䈔䉎ജጁᱧ
EFD:
䊶㔖ὐ䇮ᗵᐲ䋨䉶䊮䉰䊷᷷ᐲᄌൻ䈮䉋䉎䋩䋿
CFD:
䊶ജ䉣䊈䊦䉩䊷䈱ታല୯䋿
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䈘䈇䈗䈮
EFD
