# **************************************************************************** # 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 blue_naval_sam # Sources: # http://en.wikipedia.org/wiki/RIM-161_Standard_Missile_3 # http://www.raytheon.com/capabilities/products/stellent/groups/public/documents/content/cms01_055769.pdf # http://www.globalsecurity.org/space/systems/sm3.htm # http://www.astronautix.com/lvs/staarder.htm # http://www.designation-systems.net/dusrm/m-161.html # http://www.designation-systems.net/dusrm/m-156.html (sm2 body information) # http://www.dtic.mil/cgi-bin/GetTRDoc?AD=ADA457566&Location=U2&doc=GetTRDoc.pdf # http://web.mit.edu/stgs/pdfs/Forden_Preliminary_analysis_USA_193_Shoot_down.pdf # http://www.janes.com (requires subscription) # http://www.deagel.com/Anti-Ballistic-Missiles/Standard-SM-3-Block-IB_a001148012.aspx # Weapon Definition starts here. # script_debug_writes on # Signature data is unknown... infrared_signature BLUE_NAVAL_SAM_INFRARED_SIGNATURE constant 1 watts/steradian end_infrared_signature optical_signature BLUE_NAVAL_SAM_OPTICAL_SIGNATURE constant 1 m^2 end_optical_signature radar_signature BLUE_NAVAL_SAM_RADAR_SIGNATURE constant 1 m^2 end_radar_signature # Weapon effects weapon_effects BLUE_NAVAL_SAM_LETHALITY WSF_GRADUATED_LETHALITY radius_and_pk 3 km 1.0 end_weapon_effects ########### Aero definitions ################################################## aero BLUE_NAVAL_SAM_STAGE_1_AERO WSF_AERO reference_area 2.35 ft^2 # Values estimated from Hoerner's Drag book cd_zero_subsonic 0.10 cd_zero_supersonic 0.25 mach_begin_cd_rise 0.95 mach_end_cd_rise 1.30 mach_max_supersonic 10.00 end_aero aero BLUE_NAVAL_SAM_STAGE_2_AERO WSF_AERO reference_area 1.02 ft^2 # Values estimated from Hoerner's Drag book cd_zero_subsonic 0.10 cd_zero_supersonic 0.25 mach_begin_cd_rise 0.95 mach_end_cd_rise 1.30 mach_max_supersonic 10.00 end_aero aero BLUE_NAVAL_SAM_STAGE_3_AERO WSF_AERO reference_area 1.02 ft^2 # Values estimated from Hoerner's Drag book cd_zero_subsonic 0.10 cd_zero_supersonic 0.25 mach_begin_cd_rise 0.95 mach_end_cd_rise 1.30 mach_max_supersonic 10.00 end_aero aero BLUE_NAVAL_SAM_STAGE_4_AERO WSF_AERO #warhead & sensor reference_area 1.02 ft^2 # Values estimated from Hoerner's Drag book cd_zero_subsonic 0.10 cd_zero_supersonic 0.25 mach_begin_cd_rise 0.95 mach_end_cd_rise 1.30 mach_max_supersonic 10.00 end_aero ########### Mover definitions ################################################## mover BLUE_NAVAL_SAM_MOVER WSF_GUIDED_MOVER #show_status integration_timestep 0.001 secs update_interval 0.01 secs # divert thrust taken from unclass blue_lr_sam and doubled divert_thrust 8000 Nt divert_fuel_mass 10 kg divert_fuel_flow_rate 1.0 kg/s divert_altitude_limits 80 km 1000 km # stage info came from janes.com, # designation-systems.com # astronautix.com stage 1 # MK-72 Solid Rocket Booster aero BLUE_NAVAL_SAM_STAGE_1_AERO empty_mass 535 lbs total_mass 1540 lbs specific_impulse 260 sec thrust_duration 6 sec end_stage stage 2 # MK-104 Solid Rocket Booster aero BLUE_NAVAL_SAM_STAGE_2_AERO pre_ignition_coast_time 1 sec total_mass 1100 lbs empty_mass 282 lbs #fuel_mass 418 lbs specific_impulse 260 sec thrust_duration 25 sec pre_separation_coast_time 30 sec end_stage stage 3 # MK-136 Solid Rocket aero BLUE_NAVAL_SAM_STAGE_3_AERO total_mass 220 lbs empty_mass 187 lbs # fuel_mass 125 lbs specific_impulse 260 sec thrust_duration 15 sec pre_separation_coast_time 1 sec end_stage stage 4 # warhead and seeker (aka kill vehicle ) aero BLUE_NAVAL_SAM_STAGE_4_AERO total_mass 70 lbs fuel_mass 0 lbs end_stage end_mover ############### BLUE_NAVAL_SAM platform ########################################## platform_type BLUE_NAVAL_SAM WSF_PLATFORM icon Scud_Missile infrared_signature BLUE_NAVAL_SAM_INFRARED_SIGNATURE optical_signature BLUE_NAVAL_SAM_OPTICAL_SIGNATURE radar_signature BLUE_NAVAL_SAM_RADAR_SIGNATURE weapon_effects BLUE_NAVAL_SAM_LETHALITY mover BLUE_NAVAL_SAM_MOVER end_mover processor BLUE_NAVAL_SAM_GUIDANCE WSF_GUIDANCE_COMPUTER guide_to_truth true phase LAUNCH 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 next_phase TERMINAL if target_slant_range < 200 km # 150 km next_phase MIDCOURSE if on_commanded_flight_path_angle end_phase phase MIDCOURSE guidance_delay 2000 secs # stay on commanded loft angle next_phase TERMINAL when target_slant_range < 100 km #250 km end_phase phase TERMINAL proportional_navigation_gain 10.0 proportional_navigation_method augmented # Disable velocity pursuit. The angle which controls the switch between # velocity pursuit and pronav are too sensitive at short ranges. velocity_pursuit_gain 0.0 # Disable g-bias. The target is also falling, so we don't want to fight # against it! (this is assuming terminal intercept, not boost) g_bias 0.0 end_phase end_processor processor fuse WSF_AIR_TARGET_FUSE use_current_target gross_proximity_range 7 km hit_proximity_range 5 km update_interval 0.50 sec fine_update_interval 0.01 sec time_of_flight_to_arm 60 sec end_processor processor seeker WSF_PERFECT_TRACKER update_interval 0.25 sec end_processor end_platform_type launch_computer BLUE_NAVAL_SAM_LAUNCH_COMPUTER WSF_BALLISTIC_MISSILE_LAUNCH_COMPUTER maximum_time_of_flight 1000 sec surface_to_air_table weapons/sam/blue_naval_sam_launch_data.txt integration_time_step 0.05 sec # Disallow intercepts at unreasonable angles maximum_intercept_angle 60 deg end_launch_computer ########EXPLICIT WEAPON############################# weapon BLUE_NAVAL_SAM WSF_EXPLICIT_WEAPON launched_platform_type BLUE_NAVAL_SAM launch_computer BLUE_NAVAL_SAM_LAUNCH_COMPUTER end_launch_computer 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 quantity 1 require_loft_angle end_weapon