# **************************************************************************** # CUI # # The Advanced Framework for Simulation, Integration, and Modeling (AFSIM) # # The use, dissemination or disclosure of data in this file is subject to # limitation or restriction. See accompanying README and LICENSE for details. # **************************************************************************** # This model was derived from unclassified sources /* BEGIN COMMENT http://www.sinodefence.com/strategic/missile/df21.asp Specifications Official name: DongFeng 21 (DF-21) NATO reporting name: CSS-5 Contractor: CASIC 4th Academy Service status: In service Configuration: Two-stage, solid propellant Deployment: Road mobile, 6X6 tractor truck + six-wheel trailer; or silo Length: 10.7m Diameter: 1.4m Launch weight: 14,700kg Range: 1,770km Re-entry vehicle mass: 600kg Warhead: One single 500kT yield, or conventional Guidance: Inertial + terminal radar guidance Accuracy: CEP 300~400m http://www.missilethreat.com/missilesoftheworld/id.26/missile_detail.asp CSS-5 Country: People's Republic of China Alternate Name: DF-21 Class: MRBM Basing: Road mobile Length: 10.70 m Diameter: 1.40 m Launch Weight: 14700 kg Payload: Single warhead, 600 kg Warhead: Nuclear 250 or 500kT, HE, submunitions, or chemical Propulsion: 2-stage solid Range: 2150 km Status: Operational In Service: 1987 http://www.fas.org/nuke/guide/china/theater/df-21.htm Contractor Academy of Rocket Motors Technology - ARMT Operator Second Artillery Corps # Basing Chuxiong # Jianshui # Lianxiwang # Tonghua Configuration Two Stage Length [meters] 10.7 Diameter [meters] 1.4 Mass [kilograms] 14,700 Propellant Solid Guidance Inertial First Flight May 1985 IOC 1989-1991 Deployment Mobile Range (km) 1,800 Re-entry Vehicle Mass (kg) 600 Warhead Yield 200-300 KT CEP (meters) 300-400 Launch Preparation Time 10-15 minutes http://www8.janes.com/JDIC/JDET/documentView.do?docId=/content1/janesdata/binder/ jsws/jsws0411.htm@current&pageSelected=allJanes&keyword=css-5%20df-21&backPath= http://jdet.janes.com/JDIC/JDET/search&Prod_Name=JSWS&activeNav=http://www8.janes.com/JDIC/JDET DF-21 Length: 10.7 m Body diameter: 1.4 m Launch weight: 14,700 kg Payload: Single warhead; 600 kg Warhead: 250 or 500 kT nuclear, HE, submunitions or chemical Guidance: Inertial Propulsion: 2-stage solid propellant Range: 2,150 km Accuracy: 700 m CEP DF-21A/-21B Length: 12.3 m Body diameter: 1.4 m Launch weight: 15,200 kg Payload: Single warhead, 500 kg Warhead: 90 kT or selectable between 20, 90 and 150 kT nuclear, HE, chemical, submunitions or EMP Guidance: Inertial with GPS and radar correlation Propulsion: 2-stage solid propellant Range: 2,500 km Accuracy: 50 m CEP (21A), 10 m CEP (21B) http://www.astronautix.com/lvs/df21.htm Intermediate range ballistic missile. IOC: 1988. Country: China. Status: Active. Department of Defence Designation: CSS-5. Popular Name: Dong Feng-21. JL-1 land based version. 2 stage vehicle. Manufacturer: Shanxi. Launches: 15. Failures: 3. Success Rate: 80.00%. First Launch Date: 1985-05-01. Last Launch Date: 2007-01-11. Launch data is: continuing. Apogee: 500 km (310 mi). Liftoff Thrust: 0 N ( lbf). Total Mass: 14,664 kg (32,328 lb). Core Diameter: 1.40 m (4.50 ft). Total Length: 10.43 m (34.21 ft). Span: 1.40 m (4.50 ft). Standard warhead mass: 600 kg (1,320 lb). Maximum range: 1,810 km (1,120 mi). Number Standard Warheads: 1. Standard warhead yield: 250 KT. Boost Propulsion: Solid rocket. Guidance: Inertial. Total Number Built: 50. * Stage1: 1 x JL-1-1. Gross Mass: 10,000 kg (22,000 lb). Motor: 1 x DF-21-1. Length: 6.00 m (19.60 ft). Diameter: 1.41 m (4.62 ft). Propellants: Solid. * Stage2: 1 x DF-21-2. Gross Mass: 4,000 kg (8,800 lb). Motor: 1 x DF-21-2. Length: 4.00 m (13.10 ft). Diameter: 1.41 m (4.62 ft). END COMMENT */ # Weapon Definition starts here. # script_debug_writes on script_debug_writes on # Signature data is unknown... infrared_signature RED_MRBM_3_INFRARED_SIGNATURE constant 1 watts/steradian end_infrared_signature optical_signature RED_MRBM_3_OPTICAL_SIGNATURE constant 1 m^2 end_optical_signature radar_signature RED_MRBM_3_RADAR_SIGNATURE constant 1 m^2 end_radar_signature # Weapon effects weapon_effects RED_MRBM_3_LETHALITY WSF_GRADUATED_LETHALITY radius_and_pk 150 m 1.0 end_weapon_effects ########### Aero definitions ################################################## aero RED_MRBM_3_STAGE_EMPTY_AERO WSF_AERO # The stage gets a lot of drag... reference_area 1.56 m^2 # 1.41 m diameter aspect_ratio 4.0 cl_max 1.5 # Values estimated from Hoerner's Drag book cd_zero_subsonic 0.40 cd_zero_supersonic 0.45 mach_begin_cd_rise 0.9 mach_end_cd_rise 1.30 mach_max_supersonic 5.00 end_aero aero RED_MRBM_3_STAGE_1_AERO WSF_AERO reference_area 1.56 m^2 # 1.41 m diameter aspect_ratio 2.0 cl_max 4.5 # Values estimated from Hoerner's Drag book cd_zero_subsonic 0.10 cd_zero_supersonic 0.35 mach_begin_cd_rise 0.95 mach_end_cd_rise 1.30 mach_max_supersonic 10.00 end_aero aero RED_MRBM_3_STAGE_2_AERO WSF_AERO reference_area 1.56 m^2 # 1.41 m diameter aspect_ratio 2.0 cl_max 4.5 # Values estimated from Hoerner's Drag book cd_zero_subsonic 0.10 cd_zero_supersonic 0.35 mach_begin_cd_rise 0.95 mach_end_cd_rise 1.30 mach_max_supersonic 10.00 end_aero aero RED_MRBM_3_STAGE_3_AERO WSF_AERO #smaller cone warhead reference_area .572 m^2 aspect_ratio 2.0 cl_max 4.5 # Values estimated from Hoerner's Drag book cd_zero_subsonic 0.10 cd_zero_supersonic 0.35 mach_begin_cd_rise 0.95 mach_end_cd_rise 1.30 mach_max_supersonic 10.00 end_aero ########### RED_MRBM_3 Mover definition ########################################## mover RED_MRBM_3_MOVER WSF_GUIDED_MOVER show_status update_interval 0.05 secs stage 1 aero RED_MRBM_3_STAGE_1_AERO total_mass 10000 kg fuel_mass 8000 kg specific_impulse 240 sec # The platform script will vary this. thrust_duration 52 sec end_stage stage 2 aero RED_MRBM_3_STAGE_2_AERO pre_ignition_coast_time 3 sec total_mass 4000 kg fuel_mass 3350 kg specific_impulse 240 sec # adjusted for max range of 2000 km thrust_duration 46 sec pre_separation_coast_time 10 sec end_stage stage 3 # warhead aero RED_MRBM_3_STAGE_3_AERO total_mass 400 kg fuel_mass 0 kg end_stage end_mover ############ RED_MRBM_3 Guidance ################################################## ############ The values are SPECIFIC to the aero and body mass information#### processor RED_MRBM_3_GUIDANCE WSF_GUIDANCE_COMPUTER #show_status #show_evaluations phase LAUNCH next_phase 200-1000 if target_ground_range < 1000 km next_phase 1000-1100 if target_ground_range < 1100 km next_phase 1100-1200 if target_ground_range < 1200 km next_phase 1200-1300 if target_ground_range < 1300 km next_phase 1300-1350 if target_ground_range < 1350 km next_phase 1350-1400 if target_ground_range < 1400 km next_phase 1400-1450 if target_ground_range < 1450 km next_phase 1450-1500 if target_ground_range < 1500 km next_phase 1500-1550 if target_ground_range < 1550 km next_phase 1550-1600 if target_ground_range < 1600 km next_phase 1600-1650 if target_ground_range < 1650 km next_phase 1650-1700 if target_ground_range < 1700 km next_phase 1700-1750 if target_ground_range < 1750 km next_phase 1750-1800 if target_ground_range < 1790 km next_phase 1780-1820 if target_ground_range < 1820 km next_phase 1810-1840 if target_ground_range < 1840 km next_phase 1840-1860 if target_ground_range < 1860 km next_phase 1860-1900 if target_ground_range < 1900 km next_phase 1900-1950 if target_ground_range < 1950 km next_phase 1940-1980 if target_ground_range < 1980 km next_phase 1980-2000 if target_ground_range < 2000 km next_phase 2000-2050 if target_ground_range < 2100 km end_phase phase 200-1000 g_bias 1.1 # 200-1000 maximum_commanded_g 4 g # 200-1000 next_phase TERMINAL when phase_time > 101 secs # burnout time end_phase phase 1000-1100 g_bias 1.2 # 1000 maximum_commanded_g 5 g # 1000 next_phase TERMINAL when phase_time > 101 secs # burnout time end_phase phase 1100-1200 g_bias 1.4 # maximum_commanded_g 1 g # guidance_delay 8 sec next_phase TERMINAL when phase_time > 101 secs # burnout time end_phase phase 1200-1300 g_bias 1.5 # maximum_commanded_g 1 g # guidance_delay 9.5 sec next_phase TERMINAL when phase_time > 101 secs # burnout time end_phase phase 1300-1350 g_bias 1.6 # maximum_commanded_g 1 g # guidance_delay 10 sec next_phase TERMINAL when phase_time > 101 secs # burnout time end_phase phase 1350-1400 g_bias 1.8 # 1200-1400 maximum_commanded_g 1 g # 1200-1400 guidance_delay 11 secs # 1200-1400 next_phase TERMINAL when phase_time > 101 secs # burnout time end_phase phase 1400-1450 g_bias 3 # 1500 maximum_commanded_g 1 g # 1500 guidance_delay 14 secs # 1500 next_phase TERMINAL when phase_time > 101 secs # burnout time end_phase phase 1450-1500 g_bias 3.5 # 1500 maximum_commanded_g 1 g # 1500 guidance_delay 15.3 secs # 1500 next_phase TERMINAL when phase_time > 101 secs # burnout time end_phase phase 1500-1550 g_bias 4.5 # 1500 maximum_commanded_g 1 g # 1500 guidance_delay 16.7 secs # 1500 next_phase TERMINAL when phase_time > 101 secs # burnout time end_phase phase 1550-1600 g_bias 5 # 1500 maximum_commanded_g 1 g # 1500 guidance_delay 17.1 secs # 1500 next_phase TERMINAL when phase_time > 101 secs # burnout time end_phase phase 1600-1650 g_bias 5.6 # 1500 maximum_commanded_g 1 g # 1500 guidance_delay 17.5 secs # 1500 next_phase TERMINAL when phase_time > 101 secs # burnout time end_phase phase 1650-1700 g_bias 6 # 1600-1700 maximum_commanded_g 1 g # 1600-1700 guidance_delay 17.7 secs # 1600-1700 next_phase TERMINAL when phase_time > 101 secs # burnout time end_phase phase 1700-1750 g_bias 6 # 1700-1750 maximum_commanded_g 1 g # 1700-1750 guidance_delay 18 secs # 1700-1750 next_phase TERMINAL when phase_time > 101 secs # burnout time end_phase phase 1750-1800 g_bias 7 # 1750-1800 maximum_commanded_g 1 g # 1750-1800 guidance_delay 18.4 secs # 1750-1800 next_phase TERMINAL when phase_time > 101 secs # burnout time end_phase phase 1780-1820 g_bias 7 # 1780-1820 maximum_commanded_g 1 g # 1780-1820 guidance_delay 18.5 secs # 1780-1820 next_phase TERMINAL when phase_time > 101 secs # burnout time end_phase phase 1810-1840 g_bias 7 # 1810-1840 maximum_commanded_g 1 g # 1810-1840 guidance_delay 18.7 secs # 1810-1840 next_phase TERMINAL when phase_time > 101 secs # burnout time end_phase phase 1840-1860 g_bias 8 # 1840-1860 maximum_commanded_g 1 g # 1840-1860 guidance_delay 18.7 secs # 1840-1860 next_phase TERMINAL when phase_time > 101 secs # burnout time end_phase phase 1860-1900 g_bias 8.5 # 1840-1860 maximum_commanded_g 1 g # 1840-1860 guidance_delay 18.8 secs # 1840-1860 next_phase TERMINAL when phase_time > 101 secs # burnout time end_phase phase 1900-1950 g_bias 9 # 1860-1950 maximum_commanded_g 1 g # guidance_delay 19 secs # next_phase TERMINAL when phase_time > 101 secs # burnout time end_phase phase 1940-1980 g_bias 9.2 # 1940-1980 maximum_commanded_g 1 g # guidance_delay 19.2 secs # next_phase TERMINAL when phase_time > 101 secs # burnout time end_phase phase 1980-2000 g_bias 9.5 # 1980-2000 maximum_commanded_g 1 g # guidance_delay 19.4 secs # next_phase TERMINAL when phase_time > 101 secs # burnout time end_phase phase 2000-2050 g_bias 9.8 # maximum_commanded_g 1 g # guidance_delay 19.6 secs # next_phase TERMINAL when phase_time > 101 secs # burnout time end_phase phase TERMINAL maximum_commanded_g 2 g end_phase end_processor #############STAGE 1 & 2 SPENT STAGES PLATFORM TYPES######################################### platform_type RED_MRBM_3_STAGE1 WSF_PLATFORM icon sam-a_missile mover WSF_NEW_UNGUIDED_MOVER update_interval 0.5 sec show_status aero RED_MRBM_3_STAGE_EMPTY_AERO total_mass 2500 kg end_mover processor fuse WSF_GROUND_TARGET_FUSE end_processor end_platform_type weapon RED_MRBM_3_STAGE1 WSF_EXPLICIT_WEAPON launched_platform_type RED_MRBM_3_STAGE1 firing_delay 0 secs quantity 1 end_weapon platform_type RED_MRBM_3_STAGE2 WSF_PLATFORM icon sam-a_missile mover WSF_NEW_UNGUIDED_MOVER update_interval 0.5 sec show_status aero RED_MRBM_3_STAGE_EMPTY_AERO total_mass 30 kg # extremely low to show ballistic fall end_mover processor fuse WSF_GROUND_TARGET_FUSE end_processor end_platform_type weapon RED_MRBM_3_STAGE2 WSF_EXPLICIT_WEAPON launched_platform_type RED_MRBM_3_STAGE2 quantity 1 end_weapon ############### RED_MRBM_3 platform ############################################# platform_type RED_MRBM_3 WSF_PLATFORM icon Scud_Missile infrared_signature RED_MRBM_3_INFRARED_SIGNATURE optical_signature RED_MRBM_3_OPTICAL_SIGNATURE radar_signature RED_MRBM_3_RADAR_SIGNATURE weapon_effects RED_MRBM_3_LETHALITY mover RED_MRBM_3_MOVER end_mover # used to instantiate the stage falling off weapon red_mrbm_3_stage1 RED_MRBM_3_STAGE1 quantity 1 launch_delta_v -1 0 0 fps end_weapon # used to instantiate the stage falling off weapon red_mrbm_3_stage2 RED_MRBM_3_STAGE2 quantity 1 launch_delta_v -100 0 00 fps end_weapon script void on_stage_separation(int aStage) writeln_d("T=", TIME_NOW, " ", PLATFORM.Name(), ": Stage ", aStage, " separation"); if (aStage == 1) { WsfWeapon weapon = PLATFORM.Weapon("red_mrbm_3_stage1"); weapon.Fire(); } if (aStage == 2) { WsfWeapon weapon = PLATFORM.Weapon("red_mrbm_3_stage2"); weapon.Fire(); } end_script processor guidance RED_MRBM_3_GUIDANCE # show_status guide_to_truth true #TODO TESTING end_processor processor fuse WSF_GROUND_TARGET_FUSE end_processor processor seeker WSF_PERFECT_TRACKER update_interval 0.5 sec end_processor end_platform_type #####################RED_MRBM_3 EXPLICIT WEAPON################################### weapon RED_MRBM_3 WSF_EXPLICIT_WEAPON launched_platform_type RED_MRBM_3 tilt 89.9 degrees slew_mode azimuth azimuth_slew_limits -180 deg 180 deg firing_delay 1.0 secs quantity 1 end_weapon