 simplifi approxim method calcul pressur conic bodi arbitrari shape superson hyperson flow simplifi approxim method calcul pressur conic bodi arbitrari shape superson hyperson flow exact conic-flow solut circular cone angl attack nonaxisymmetr cone cone angl attack approxim method exist method gener complic limit bodi shape mach-number rang great felt simpl approxim method applic arbitrarili shape conic bodi incid well angl attack method develop lockhe present abbrevi form method base equival-cone theori theori determin pressur conic bodi util symmetr cone angl attack normal compon free stream respect surfac local element bodi consid method work well high mach number inconsist lower mach number bodi deviat consider circular cone equival-cone method satisfactori fact consid local surfac element bodi independ bodi element newtonian-theori manner 