基于分行的三維海浪、云和火焰建模算法研究與實現(xiàn).pdf

1、沈陽理工大學碩士學位論文基于分行的三維海浪、云和火焰建模算法研究與實現(xiàn)姓名：夏炎申請學位級別：碩士專業(yè)：計算機軟件與理論指導教師：王琰20090301沈陽理工大學碩士學位論文AbstractThecomputersimulationofthenaturehasbeenoneoftheimptantissuesintheapplicationofcomputergraphicsalsobeenwidelyusedintheareassuc

2、haslscapedesignanimationvirtualreality.Thewavescloudsflameinthenaturearethemostcommonnaturallscapebuttheyareverycomplexnaturalphenomenatheyareromirregularwhetherintimespaceitisdifficulttodescribethemaccuratelywiththeuseo

3、ftraditionalgeometricmethod.FractalGraphicsisascienceofpaintingthenaturewhichmakestheuseoftheacteristicsofthenaturalscenerywithavarietyoffractalmodelingmethodstodescribethenature.Thisissueisbasedonfractalthey.Ittriestoac

4、hievethreedimensionalmodelingofwavescloudsflamebyanalyzingtheirspecificacteristicspatternswiththeuseoffractalBrownianmotionparticlesystemsinthefractalthey.Accdingtothenaturalacteristicsofthewavestheessaystructuresthreedi

5、mensionalstationarywavemethodbasedonthestochasticpointdisplacementmethodintheFBM.Combinedwiththeinfluenceofwindonthewave’scampaignitgivestheshapeofthreedimensionalgeometricmodelofthewave’smovement.Byproposingadynamicnonu

6、nifminterpolationofmultiplewaysitreducesthewave’stransitionstructuresthealgithmofmovingwave.Accdingtothestationaryacteristicsoftheclouditstructuresthreedimensionalstationarycloudmethodbasedonthestochasticpointdisplacemen

7、tmethodintheFBM.Byaddingadisturbancefunctionitpresentsthemovingfeatureswithinthecloud.Combinedwiththeimpactofthewindoncloudmovementpatternsitgivesthreedimensionalgeometricmodelofcloudmovementstructuresalgithmofcloudsmove

8、ment.Accdingtotheflame’smovementpatternsitusestheparticlesystemtodescribetheflamemovement.Withthecombinationofimpactofwindairbuoyancyontheflamemovementpatternsitgivestheflamemovementsimulationalgithmbasedontheparticlesys