For software licensing information contact: softwaresales@ama-inc.com
STRLNCH: Aircraft Store Separation and Carriage Loads Analysis
STRLNCH is a comprehensive 6-DOF store separation simulation software package, supported by MISL3 or MISDL software
STRLNCH is a comprehensive 6-DOF store separation simulation software package applicable to high angle-of-attack launch from maneuvering aircraft at subsonic and supersonic speeds. Released store/missile aerodynamics are modeled by either the MISL3 or MISDL software.
Reduces need for costly wind tunnel tests. Indispensable in preliminary safe store launch assessment and parent aircraft/store integration studies. Applicable to Monte Carlo simulations and statistical analysis of factors affecting safe separation. STRLNCH runs fast on PCs (Windows & Linux).
Capabilities
Range of Flow Parameters
Subsonic through supersonic Mach numbers
Parent aircraft angles of attack/sideslip up to 60 degrees
Arbitrarily maneuvering aircraft
Nonzero rotational rates
Important Parent Aircraft Modeling Features
VTXCHN fuselage modeling for high angles of attack
Stall models for wing/pylon(s) at high angles of attack
Important Store and Release Modeling Features
See MISL3 and MISDL information
Effects of parent aircraft nonuniform flow
Noncircular store modeling with MISDL
Canard-tail vortical interference
Rail/tube launch option
Hook release and delay modeling
Ejection force models
Thrust time histories
Time dependent mass properties
User-specified autopilot
Umbilical chord/disconnect model
Lanyard disconect model
Wing-deployment model
Special modeling for wing-tip mounted missiles
Quantities Computed
Launched store 6-DOF trajectory characteristics: translational and rotational positions, velocities and accelerations
Overall 6-DOF forces and moments time histories: CA, CY, CN, Cl, Cm, Cn
Fin forces and moments: CAF, CNF, CHM, CBM
Detailed carriage load distributions on store body and fins
Output Files
Spreadsheet files of trajectory state variables, store loads, etc.
Flow field components velocities
Tecplot® compatible files for: 3-D animations of trajectories
2-D plots of the released store trajectory characteristics
Details of the parent aircraft induced flow field
Aircraft Models (partial list)
Aircraft: F-4, F-5, AV-8B, F-14, F-15, F-16, F/A-18, F-22,B-52, CN-235, 737, 747, 767, L1011, DC-8, Draken, HU-25 Falcon, PC-21
Helicopter: SH-60B, SH-2G, OH-6Various UAVs
Weapon Systems: MSST/RATO, MSST/Sprint
For software licensing information contact: softwaresales@ama-inc.com
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References
Mendenhall, M. R., Lesieutre, D. J., and Kelly, M. J., "Trailing Vortex-Induced Loads During Close Encounters in Cruise," AIAA 2015-3300, Jun. 2015.
Reisenthel, P. H., Lesieutre, D. J. and Quijano, O. E. "Statistical Analysis of Jettison Ejection Scenarios," AIAA-2015-1526, Jan. 2015.
Lesieutre, D. J., Dillenius, M. F. E., and Gjestvang, J. A., "Store Separation Simulation of the Penguin Missile from Helicopters," Paper Number 9, Presented at NATO-RTO Symposium on Innovative Missile Systems, Amsterdam, The Netherlands, May 2006, RTO-MP-AVT-135.