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四面体网格优化法
Abstract
With
the of virtualizationisthefield
development
technology,computertechnology
of
medicinean whichvirtual knownas
playsimportantrole,in surgery(alsosurgical
simulation)are themescal
increasinglybeingrecognizedby profession,virtualsurgery
medical
informaticshasbecomeaveryimportant
applicationsbranch.Currentlyexisting
virtual field focuses
research,whichon ofmescal
surgical segmentationimages,3D
establishmentof
reconstruction,the models.Asa ofthemesh
physical keypart generation
tobuildavirtualsimulationmodel
technology to affectthe
generategridqualitydirectly
ofnumerical
accuracy calculations.Suchas Front
AFT(Advancing
Octreemethodand
otherautomaticalmesh will
generationalgorithms
inevitablyproduce
inferior affectthe of
units,which numerical thethree.
greatly accuracy computation.As
dimensionaltetrahedralmesh more unit
generation
processpronedistortion,therefore,
oftheseunitsisof
optimization greatimportance.
Thisarticledescribesthe mesh methods,and
existingpopularoptimization analyzeds
thecausesofsliver themesh metricerrorfunctionisdeducedas
element.Throu
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