# **************************************************************************** # 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. # **************************************************************************** ############################################################################### # ------ UNCLASSIFIED ------ # RED_ICBM_2 ############################################################################### # # NOTE: If you modify any parameter in this file, you must rerun 'weapon_tools' # with 'red_icbm_2_lcg.txt' as input to regenerate the launch computer data. # ############################################################################### # # ***** WARNING ***** WARNING ***** WARNING ***** WARNING ***** WARNING ***** # # This definition is intended to be EXPORTABLE. It is defined using publicly # available, attributable sources. DO NOT ADD ANYTHING BASED ON OTHER SOURCES! # # ***** WARNING ***** WARNING ***** WARNING ***** WARNING ***** WARNING ***** # ############################################################################### # # This model is built using data from unclassified sources as follows: # # 1) http://www.globalsecurity.org/wmd/world/dprk/td-2-specs.htm # http://www.globalsecurity.org/wmd/world/dprk/td-2.htm # ############################################################################### ############################################################################### # Support for explicit representation of spent stages # # Platforms will be created for spent stages if one the global script variables # is defined as follows: # # script_variables # SHOW_SPENT_STAGES["ALL"] = true; # For any weapon # SHOW_SPENT_STAGES["RED_ICBM_2"] = true; # For just this weapon type # end_script_variables ############################################################################### include_once show_spent_stages.txt ##### Stage 1 aero RED_ICBM_2_SPENT_STAGE_1_AERO WSF_AERO # TODO reference_area 16.62 ft^2 aspect_ratio 1.0 cl_max 5.0 zero_lift_cd 0.7 end_aero infrared_signature RED_ICBM_2_SPENT_STAGE_1_INFRARED_SIG constant 1 watts/steradian end_infrared_signature optical_signature RED_ICBM_2_SPENT_STAGE_1_OPTICAL_SIG constant 1 m^2 end_optical_signature radar_signature RED_ICBM_2_SPENT_STAGE_1_RADAR_SIG constant 1 m^2 end_radar_signature platform_type RED_ICBM_2_SPENT_STAGE_1 WSF_PLATFORM icon Scud_Missile infrared_signature RED_ICBM_2_SPENT_STAGE_1_INFRARED_SIG optical_signature RED_ICBM_2_SPENT_STAGE_1_OPTICAL_SIG radar_signature RED_ICBM_2_SPENT_STAGE_1_RADAR_SIG mover WSF_GUIDED_MOVER integration_timestep 0.01 secs stage 1 aero RED_ICBM_2_SPENT_STAGE_1_AERO total_mass 3552.0 kg end_stage end_mover processor fuse WSF_GROUND_TARGET_FUSE end_processor end_platform_type ##### Stage 2 aero RED_ICBM_2_SPENT_STAGE_2_AERO WSF_AERO # TODO reference_area 16.62 ft^2 aspect_ratio 1.0 cl_max 5.0 zero_lift_cd 0.7 end_aero infrared_signature RED_ICBM_2_SPENT_STAGE_2_INFRARED_SIG constant 1 watts/steradian end_infrared_signature optical_signature RED_ICBM_2_SPENT_STAGE_2_OPTICAL_SIG constant 1 m^2 end_optical_signature radar_signature RED_ICBM_2_SPENT_STAGE_2_RADAR_SIG constant 1 m^2 end_radar_signature platform_type RED_ICBM_2_SPENT_STAGE_2 WSF_PLATFORM icon Scud_Missile infrared_signature RED_ICBM_2_SPENT_STAGE_2_INFRARED_SIG optical_signature RED_ICBM_2_SPENT_STAGE_2_OPTICAL_SIG radar_signature RED_ICBM_2_SPENT_STAGE_2_RADAR_SIG mover WSF_GUIDED_MOVER integration_timestep 0.01 secs stage 1 aero RED_ICBM_2_SPENT_STAGE_2_AERO total_mass 2346.0 kg end_stage end_mover processor fuse WSF_GROUND_TARGET_FUSE end_processor end_platform_type ##### Stage 3 aero RED_ICBM_2_SPENT_STAGE_3_AERO WSF_AERO # TODO reference_area 16.62 ft^2 aspect_ratio 1.0 cl_max 5.0 zero_lift_cd 0.7 end_aero infrared_signature RED_ICBM_2_SPENT_STAGE_3_INFRARED_SIG constant 1 watts/steradian end_infrared_signature optical_signature RED_ICBM_2_SPENT_STAGE_3_OPTICAL_SIG constant 1 m^2 end_optical_signature radar_signature RED_ICBM_2_SPENT_STAGE_3_RADAR_SIG constant 1 m^2 end_radar_signature platform_type RED_ICBM_2_SPENT_STAGE_3 WSF_PLATFORM icon Scud_Missile infrared_signature RED_ICBM_2_SPENT_STAGE_3_INFRARED_SIG optical_signature RED_ICBM_2_SPENT_STAGE_3_OPTICAL_SIG radar_signature RED_ICBM_2_SPENT_STAGE_3_RADAR_SIG mover WSF_GUIDED_MOVER integration_timestep 0.01 secs stage 1 aero RED_ICBM_2_SPENT_STAGE_3_AERO total_mass 833.0 kg end_stage end_mover processor fuse WSF_GROUND_TARGET_FUSE end_processor end_platform_type ############################################################################### # Signature data is unknown... infrared_signature RED_ICBM_2_INFRARED_SIG constant 1 watts/steradian end_infrared_signature optical_signature RED_ICBM_2_OPTICAL_SIG constant 1 m^2 end_optical_signature radar_signature RED_ICBM_2_RADAR_SIG constant 1 m^2 end_radar_signature # Nominal lethality data. weapon_effects RED_ICBM_2_EFFECT WSF_GRADUATED_LETHALITY radius_and_pk 1000.0 m 1.0 end_weapon_effects ############################################################################### aero RED_ICBM_2_STAGE_1_AERO WSF_AERO reference_area 3.8013 m^2 # 2.2 m diameter (Ref 1) aspect_ratio 2.0 cl_max 4.5 zero_lift_cd 0.2 zero_lift_cd 0.4 end_aero aero RED_ICBM_2_STAGE_2_AERO WSF_AERO reference_area 1.767 m^2 # 1.5 m diameter (Ref 1) aspect_ratio 2.0 cl_max 4.5 zero_lift_cd 0.2 zero_lift_cd 0.4 end_aero aero RED_ICBM_2_STAGE_3_AERO WSF_AERO reference_area 3.079 m^2 # 1.98 m diameter (Ref 1) aspect_ratio 2.0 cl_max 4.5 zero_lift_cd 0.2 zero_lift_cd 0.4 end_aero aero RED_ICBM_2_RV_AERO WSF_AERO reference_area 3.079 m^2 # 1.98 m diameter (Ref 1) aspect_ratio 2.0 cl_max 4.5 zero_lift_cd 0.18 end_aero ############################################################################### mover RED_ICBM_2_MOVER WSF_GUIDED_MOVER integration_timestep 0.005 secs update_interval 0.05 secs # NOTE: There are many slight inconsistencies in the values in Ref 1. # The thrust_duration and thrust in Ref 1 are assumed to be consistent. # The specific_impulse and burn_rate are allowed to be internally # computed so as to use all the fuel. stage 1 aero RED_ICBM_2_STAGE_1_AERO total_mass 55898 kg # Ref 1, Mi fuel_mass 52124 kg # Ref 1, Mp # fuel_mass 114672.0 lbs # Brian's value # Dry 3340 + 212 inter-stage = 3552 # Note: Using The Isp eff. SL of 226 caused more fuel to be used than available. #specific_impulse 230 sec # Ref 1, Isp actual SL thrust_duration 112 sec # Ref 1 thrust 107040 kgf # Ref 1 end_stage stage 2 aero RED_ICBM_2_STAGE_2_AERO total_mass 19106.5 kg # Ref 1, Mi, lower value fuel_mass 16760.5 kg # Ref 1, Mp # fuel_mass 36872.0 lbs # Brian's value # Dry 2146.75 + 200 inter-stage = 2346.75 #specific_impulse 296 sec # Ref 1 vacuum #burn_rate 93.1138 kg/s # fuel_mass / thrust_duration thrust_duration 180 sec # Ref 1 thrust 29600 kgf # Ref 1 end_stage stage 3 aero RED_ICBM_2_STAGE_3_AERO total_mass 2422 kg # Ref 1, Mi fuel_mass 1804 kg # Ref 1, Mp (1589-1804 given) # fuel_mass 3968.0 lbs # Brian's value #empty_mass 833 kg # Ref 1, Mf #Dry 246, Adapter 37, Shroud 250 #specific_impulse 289 sec # Ref 1 #burn_rate 72.16 kg/s # fuel_mass / thrust_duration # The thrust duration was quoted as either 25 or 28. 25 was chosen because it # results in the 317 sec total burn time that was quoted. thrust_duration 25 sec # Ref 1 (25, 28 given) thrust 18354.89 kgf # Ref 1 end_stage stage 4 aero RED_ICBM_2_RV_AERO # total_mass 300 kg # Ref 1 total_mass 2200 lbs # Brian's value end_stage end_mover ############################################################################### processor RED_ICBM_2_GUIDANCE WSF_GUIDANCE_COMPUTER # Go vertical for a short time. phase LIFTOFF guidance_delay 100.0 sec # NOTE: Do not use altitude for the criteria for starting pitch over as # trajectory is VERY sensitive to the TIME when pitch over starts. If it # were to be used, a minor changes in the launcher altitude would cause # pitch over to start at a different time! next_phase PITCH_OVER when phase_time >= 2.0 sec # About 100 ft end_phase # Pitch over to the desired flight path angle from the launch computer. phase PITCH_OVER commanded_flight_path_angle from_launch_computer proportional_navigation_gain 0.0 # Don't guide to target velocity_pursuit_gain 0.0 # Don't guide to target maximum_commanded_g 1.0 g next_phase BALLISTIC when on_commanded_flight_path_angle end_phase # Continue flight without guidance (gravity turn). phase BALLISTIC # Turn the guidance processor off once pure ballistic mode is started. # This shaves several percent off the processor time. on_entry TurnOff(); end_on_entry guidance_delay 9000.0 sec end_phase end_processor ############################################################################### platform_type RED_ICBM_2 WSF_PLATFORM icon Scud_Missile infrared_signature RED_ICBM_2_INFRARED_SIG optical_signature RED_ICBM_2_OPTICAL_SIG radar_signature RED_ICBM_2_RADAR_SIG weapon_effects RED_ICBM_2_EFFECT mover RED_ICBM_2_MOVER #show_status end_mover processor guidance RED_ICBM_2_GUIDANCE #show_status #show_graphics end_processor processor fuse WSF_GROUND_TARGET_FUSE # If the target is killed by another weapon we want to still keep going. coast_time_on_loss_of_target 10000.0 secs end_processor weapon stage_1 WSF_EXPLICIT_WEAPON launched_platform_type RED_ICBM_2_SPENT_STAGE_1 launch_delta_v -100.0 0.0 0.0 m/s quantity 1 end_weapon weapon stage_2 WSF_EXPLICIT_WEAPON launched_platform_type RED_ICBM_2_SPENT_STAGE_2 launch_delta_v -100.0 0.0 0.0 m/s quantity 1 end_weapon weapon stage_3 WSF_EXPLICIT_WEAPON launched_platform_type RED_ICBM_2_SPENT_STAGE_3 launch_delta_v -100.0 0.0 0.0 m/s quantity 1 end_weapon script void on_stage_separation(int aStage) extern Map SHOW_SPENT_STAGES; if (SHOW_SPENT_STAGES["ALL"] || SHOW_SPENT_STAGES["RED_ICBM_2"]) { if (aStage == 1) Weapon("stage_1").Fire(WsfTrack()); if (aStage == 2) Weapon("stage_2").Fire(WsfTrack()); if (aStage == 3) Weapon("stage_3").Fire(WsfTrack()); } end_script end_platform_type ############################################################################### launch_computer RED_ICBM_2_LAUNCH_COMPUTER WSF_BALLISTIC_MISSILE_LAUNCH_COMPUTER surface_to_surface_table weapons/ssm/red_icbm_2_launch_data.txt end_launch_computer ############################################################################### # Provide the aero and mass data to WSF_BALLISTIC_MISSILE_LAUNCH_COMPUTER. This # is 'truth data' used by the launch computer for 'trajectory estimation'. ballistic_missile_launch_computer target_data RED_ICBM_2 aero RED_ICBM_2_RV_AERO # Aero type of final stage mass 2200 lbs # Mass of final stage end_target_data end_ballistic_missile_launch_computer ############################################################################### weapon RED_ICBM_2 WSF_EXPLICIT_WEAPON # The location offset puts the weapon center at half the length - 1 m. # This assumes the scenario creator puts the launching platform at 1 m agl. location 0.0 0.0 -15.915 m # Ref 1, length = 33.83 m launched_platform_type RED_ICBM_2 launch_computer RED_ICBM_2_LAUNCH_COMPUTER end_launch_computer # The missiles are launched vertically. # We can't specify 90 degrees because of a singularity tilt 89.9 degrees # This causes a call to the launch computer to compute the predicted intercept. # The launcher will then be cued to the proper angles (Subject to the slewing # limits defined below). This is a bit of a hack until the guidance computer # is changed... cue_to_predicted_intercept true slew_mode azimuth azimuth_slew_limits -180 deg 180 deg # Default to a single weapon on the vehicle quantity 1 # Abort the launch if the launch computer didn't provide the required data require_loft_angle end_weapon