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lab1/weapons/sam/blue_naval_sam.txt
2025-09-12 15:20:28 +08:00

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# ****************************************************************************
# 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