建立了模具充型過程的光滑粒子流體動力學方法數(shù)值模型。為了表征模具固壁對充型流體的約束,建立了一種耦合固壁邊界條件。在固壁表面設(shè)置了L-S斥力粒子;在固壁內(nèi)部設(shè)置了若干層邊界虛粒子,實現(xiàn)對流體粒子支持域的補充。通過冷態(tài)水模擬實驗對計算模型進行了驗證。計算結(jié)果與實驗吻合良好,證明了本文模型的有效性。 

【文章來源】：Transactions of Nonferrous Metals Society of China. 2015,25(07)EISCICSCD

【文章頁數(shù)】：10 頁

【參考文獻】：
期刊論文
[1]On the treatment of solid boundary in smoothed particle hydrodynamics[J]. LIU MouBin1,2,SHAO JiaRu1 & CHANG JianZhong3 1 Key Laboratory for Hydrodynamics and Ocean Engineering,Institute of Mechanics,Chinese Academy of Sciences,Beijing 100190,China;2 State Key Laboratory for Nonlinear Mechanics,Institute of Mechanics,Chinese Academy of Sciences,Beijing 100190,China;3School of Mechatronic Engineering,North University of China,Taiyuan 030051,China.  Science China（Technological Sciences）. 2012(01)
[2]模具充型過程中光滑粒子流體動力學模擬(英文)[J]. 何毅,周照耀,曹文炅,陳維平.  Transactions of Nonferrous Metals Society of China. 2011(12)
[3]Simulation of mold filling and prediction of gas entrapment on practical high pressure die castings[J]. 趙海東,白硯飛,歐陽曉賢,董普云.  Transactions of Nonferrous Metals Society of China. 2010(11)



本文編號：3545309