In　order　to　show　the　application　of　computational　fluid　dynamics　in　biomedical　engineering　flow　in　arteries,　such　as　hemodynamics　of　bypass　graft　for　stenosed　arteries,　hemodynamics　of　stented　aneurysm　at　the　aortic　arch,　hemodynamics　of　bypass　treatment　for　DeBakey　III　aortic　dissection.　and　influence　of　blood　flow　on　the　thermal　characteristics　of　microwave　ablation,　which　were　performed　by　the　authors,　were　reviewed.　These　simulations　can　be　a　powerful　tool　for　the　computer　assisted　surgery　in　medical　application.　(C)　2007　Elsevier　Ltd.　All　rights　reserved.