学科分类
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1 个结果
  • 简介:Thelevelsetmethod,TVDschemeofsecondorderupwindprocedurecoupledwithfluxlimiter,ENOvelocityextensionprocedureinsidethebubble,andMACprojectionalgorithmwereincorporatedtosimulatethewholecollapseevolutionofacavitationbubbleneararigidwallwithmanycomplicatedphenomena,suchastopologydistortionandshrinking,jetimpact,bubblebreakingintoatoroidalform,anddiminishingvolumetozero,etc.Thebubbleshape,evolutionanddistributionofvelocityandpressurefieldsofthefluidduringthebubblecollapsingwereinvestigated.Itisfoundthatthemethodisnumericallystableandhasgoodconvergenceproperty,andtheresultsareingoodagreementswiththoseinpreviouswork.

  • 标签: 水平集合法 数字模拟 刚性墙 气穴现象 流量限制