# **************************************************************************** # 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 ------ # Short-Range Infrared Air-To-Air Missile # # This file contains definitions for the 'mover', guidance computer, fuse and # lethality and a base platform type. It should be considered a rudimentary # beginning point for further refinement. The user is then responsible for: # # A) Creating a 'platform_type' that derives from BLUE_SR_A2A_IR_MISSILE_BASE which defines # the seeker and any other subsystems that may be required. # # B) Creating a 'platform_type' that represents the launcher. # # The last part of the file is commented out and demonstrates the above steps. # # All information below is representative only, and is estimated or obtained # from open sources. ################################################################################ aero BLUE_SR_A2A_IR_MISSILE_AERO WSF_AERO mach_and_cd 0.0 1.35 # ref AIAA 79-0091 mach_and_cd 0.8 1.35 # ref AIAA 79-0091 mach_and_cd 1.0 1.85 # ref AIAA 79-0091 mach_and_cd 1.2 2.0 # ref AIAA 79-0091 mach_and_cd 1.5 1.8 # ref AIAA 79-0091 mach_and_cd 2.0 1.65 # ref AIAA 79-0091 mach_and_cd 3.0 1.2 # ref AIAA 79-0091 mach_and_cd 4.0 1.0 # ref AIAA 79-0091 reference_area 0.13635 ft2 # 5.0 in body dia cl_max 10.0 # Experimentally set, to cause approx 30G max turn rate # Note: Pi * AR * e = 50 => AR = 50 / Pi / e = 17.7 # ref Steve Knapp aspect_ratio 17.7 oswalds_factor 0.9 # Approximate Guess end_aero platform_type BLUE_SR_A2A_IR_MISSILE_BASE WSF_PLATFORM icon AIM-9X mover WSF_GUIDED_MOVER total_mass 188.0 lbm # init=188, bo=127 fuel_mass 61.0 lbm # Isp values of 250 are typical of solid rocket motors of # today, but that value would not close, so was reduced. specific_impulse 222.0 sec thrust 2700.0 lbf thrust_duration 5.1 sec update_interval 0.10 s aero BLUE_SR_A2A_IR_MISSILE_AERO #show_status # Turns on some mass properties diagnostic output end_mover processor blue_sr_a2a_ir_missile_autopilot WSF_GUIDANCE_COMPUTER proportional_navigation_gain 30.0 velocity_pursuit_gain 30.0 g_bias 1.0 maximum_commanded_g 40.0 g update_interval 0.1 s end_processor processor blue_sr_a2a_ir_missile_seeker WSF_PERFECT_TRACKER update_interval 0.10 s end_processor processor blue_sr_a2a_ir_missile_fuse WSF_AIR_TARGET_FUSE max_time_of_flight_to_detonate 120.0 sec end_processor end_platform_type weapon_effects BLUE_SR_A2A_IR_MISSILE_EFFECT WSF_SPHERICAL_LETHALITY # Note: Does not consider the hardness of any target. All are treated the same. minimum_radius 50.0 ft # largest blast radius at which damage inflicted is maximum. maximum_damage 1.0 # maximum damage level achievable upon the target. maximum_radius 60.0 ft # blast radius beyond which the damage inflicted is Zero. minimum_damage 0.2 # damage level acheived at the maximum radius. threshold_damage 0.20 # initial damage level which must be acheived # before effects begin to accumulate upon the target exponent 1.00 # exponent of proportionality of damage with radius. end_weapon_effects weapon BLUE_SR_A2A_IR_MISSILE WSF_EXPLICIT_WEAPON #debug launched_platform_type BLUE_SR_A2A_IR_MISSILE_BASE quantity 2 launch_delta_v 10.0 0.0 0.0 m/s weapon_effects BLUE_SR_A2A_IR_MISSILE_EFFECT end_weapon # Following is an example launch computer for this weapon, # valid only at the specified launch altitude and speed. #include_once blue_sr_a2a_ir_missile_ata_launch_computer_alt10kft_0.6mach.txt #not used right now ############################################################################### # START OF EXAMPLE SECTION ############################################################################### /* <----- START BLOCK COMMENT platform_type BLUE_SR_A2A_IR_MISSILE BLUE_SR_A2A_IR_MISSILE_BASE comm uplink end_comm sensor seeker end_sensor end_platform_type platform_type BLUE_SR_A2A_IR_MISSILE_LAUNCHER WSF_PLATFORM #icon weapon blue_sr_a2a_ir_missile BLUE_SR_A2A_IR_MISSILE launched_platform_type BLUE_SR_A2A_IR_MISSILE end_weapon end_platform_type -----> END BLOCK COMMENT */