# **************************************************************************** # 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_SRBM_1 ############################################################################### # # ***** 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 ***** # ############################################################################### # # NOTE: If you modify any parameter in this file, you must rerun 'weapon_tools' # with 'red_srbm_1_lcg.txt' as input to regenerate the launch computer data. # ############################################################################### # # References: # # 1) http://en.wikipedia.org/wiki/Scud # ############################################################################### ############################################################################### # Signature data is unknown... infrared_signature RED_SRBM_1_INFRARED_SIG constant 1 watts/steradian end_infrared_signature optical_signature RED_SRBM_1_OPTICAL_SIG constant 1 m^2 end_optical_signature radar_signature RED_SRBM_1_RADAR_SIG constant 1 m^2 end_radar_signature # Nominal lethality data. weapon_effects RED_SRBM_1_EFFECT WSF_GRADUATED_LETHALITY radius_and_pk 100.0 m 1.0 end_weapon_effects ############################################################################### aero RED_SRBM_1_AERO WSF_AERO reference_area 6.5434 ft^2 aspect_ratio 1.0 cl_max 4.5 zero_lift_cd 0.3 # Brian's data end_aero ############################################################################### mover RED_SRBM_1_MOVER WSF_GUIDED_MOVER integration_timestep 0.005 secs update_interval 0.05 secs stage 1 aero RED_SRBM_1_AERO empty_mass 4500.0 lbs # Brian's data fuel_mass 9450.0 lbs # Brian's data thrust 26000.0 lbf # Brian's data specific_impulse 220.0 sec # Brian's data thrust_duration 79.94 sec # Brian's data (From BallisticTable) end_stage end_mover ############################################################################### processor RED_SRBM_1_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 >= 0.5 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 2000.0 sec end_phase end_processor ############################################################################### platform_type RED_SRBM_1 WSF_PLATFORM icon Scud_Missile infrared_signature RED_SRBM_1_INFRARED_SIG optical_signature RED_SRBM_1_OPTICAL_SIG radar_signature RED_SRBM_1_RADAR_SIG weapon_effects RED_SRBM_1_EFFECT mover RED_SRBM_1_MOVER #show_status end_mover processor guidance RED_SRBM_1_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 end_platform_type ############################################################################### launch_computer RED_SRBM_1_LAUNCH_COMPUTER WSF_BALLISTIC_MISSILE_LAUNCH_COMPUTER surface_to_surface_table weapons/ssm/red_srbm_1_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_SRBM_1 aero RED_SRBM_1_AERO # Aero type of final stage mass 4500.0 lbs # Mass of final stage end_target_data end_ballistic_missile_launch_computer ############################################################################### weapon RED_SRBM_1 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 -4.625 m # Ref 1, length = 11.25 m launched_platform_type RED_SRBM_1 launch_computer RED_SRBM_1_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