ityImpacts,HarbinInstituteofTechnology,Harbin150001,China)Abstract:Inordertoprotecttheperformancesafetyofanorbitingvehicle,esanindispensablefactorinthedesignofaspacevehicle,especiallythosewithlongorbitallifeandlargesizestructures.AdoptingtheAUTODYNsoftware,paresballisticlimitcurvesonwhippleshieldbydif2ferentshapesofprojectiles,analysingthestatusofdebriscloudsonwhippleshieldbydifferentshapesofprojectiles,andgivingthereasonforallkindsofballisticlimitcurves’difference.Thedamagemechanismisdifferentonwhippleshieldbydifferentshapesofprojectiles.Thedegreeoffragmentationoftheprojectilesanddebrisclouddispersantischangedwiththevelocityoftheprojec2tiles、theratiobetweenlengthandradiusandtheimpactingdirection.Keywords:Whippleshield;Hypervelocityimpact;Shapeeffect;Ballisticlimitcurve;Numericalsimulation