非Newton流體的物質(zhì)點(diǎn)法模擬研究
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【部分圖文】:
圖2Newton流體Poiseuille流物質(zhì)點(diǎn)法求解結(jié)果Fig.2TheMPMresultsoftheNewtonianPoiseuilleflowalongthex-axis(b)
圖4t=0.05s時(shí)刻不同cross流模型下Poiseuille流隨高度方向的變化規(guī)律Fig.4ThePoiseuilleflowalongthey-axisforthecrossflowmodelatt=0.05s
慮其最終穩(wěn)態(tài)速度和到達(dá)穩(wěn)態(tài)時(shí)間均大于Newton流體時(shí)的情形,因此可以得出結(jié)論:平板Po-iseuille流的最終穩(wěn)態(tài)速度和到達(dá)穩(wěn)態(tài)時(shí)間是由靠近上下邊界處的液體黏度和液體所受體力所決定.(a)平均剪切速率(b)平均無量綱動(dòng)力黏度(a)Theaverageshearrates(b)....
圖7Newton流體Couette流的物質(zhì)點(diǎn)求解結(jié)果
圖6Couette流計(jì)算模型Fig.6ThemodelfortheCouetteflow圖7Newton流體Couette流的物質(zhì)點(diǎn)求解結(jié)果Fig.7TheMPMresultsoftheNewtonianCouetteflow(a)cross流(b)冪律流(a)Thecrossf....
圖8Couette流在,二Hl2截面處平均速度隨時(shí)間的變化規(guī)律
圖6Couette流計(jì)算模型Fig.6ThemodelfortheCouetteflow圖7Newton流體Couette流的物質(zhì)點(diǎn)求解結(jié)果Fig.7TheMPMresultsoftheNewtonianCouetteflow(a)cross流(b)冪律流(a)Thecrossf....
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