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0INTRODUCTIONAlthoughrecentl}tvarioussolidificationanalysissoftwareforcastinghavebeendeveloped,themeltflowandheattransferduringfillingmoldcavityarenotsufficientlyconsideredinmostsoftWare.SOmeapproachesforsimulationhavebeenrePOrted,includingMAC,SMAC,PatankcrandSOLAVOFtechnicces.However,allmodelsmentionedabovehavesomeproblems,suchasdivergenceofthepressureiterationwhencalculatingthevelocityfield.Fulther,sincenearlyallpapersemploytheconventionalfinitedifferencemethod,theyaredifficultto… 相似文献
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水利水电工程上溢流坝启闭机正确的使用及维护保养的好坏,直接关系到水电厂发电的效益及影响防洪溢流。只有保证了维护与保养的质量,才能确保效益及防洪溢流。 相似文献