DYNAMIC ANALYSIS AND SIMULATION OF AN AIRCRAFT LANDING GEAR SYSTEM

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HAGHBEIGI MORTEZA; BADRI KOUHI EHSAN; MOHAMMADI BIJAN

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Journal: Modares Mechanical Engineering Year:2015 | Volume:15 | Issue:8 Page(s): 271-280

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Information Journal Paper

Title

DYNAMIC ANALYSIS AND SIMULATION OF AN AIRCRAFT LANDING GEAR SYSTEM

Author(s)

HAGHBEIGI MORTEZA | BADRI KOUHI EHSAN | MOHAMMADI BIJAN | Issue Writer Certificate

Keywords

LANDING GEARQ2

DYNAMIC ANALYSISQ2

LANDING SIMULATIONQ2

SPIN-UP LOADQ2

Abstract

One of the major subsystems of each airplane is LANDING GEAR system which must be capable of tolerating extreme forces applied to the airplane during landing. Using conservative techniques to find landing loads result in overestimation and unnecessary extra structural weight. New commercial softwares can simulate real landing conditions with acceptable accuracy if detailed mechanical data about LANDING GEAR system subparts are provided. Although these softwares work well but due to lack of detailed information about the subparts at the conceptual design phase, complexity and time consuming of modeling, expensive license price, etc. they do not seem to be the best choice for design purpose. In this study, in order to calculate landing loads more precisely than the estimating conservative methods, flight dynamic differential equations of an airplane during landing phase are derived and through numeric and state space techniques are solved for different initial conditions including, three point landing, two point landing and one wheel landing. Each LANDING GEAR of the airplane is modeled as two-degree of freedom mass-spring damper set. Time history of the airplane center of gravity, pitch and roll angle, vertical landing loads of each LANDING GEAR and their SPIN-UP LOADs for different landing types (different initial conditions) are obtained to show capabilities of this new, fast and accurate LANDING SIMULATION code, generated.

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APA: Copy

HAGHBEIGI, MORTEZA, BADRI KOUHI, EHSAN, & MOHAMMADI, BIJAN. (2015). DYNAMIC ANALYSIS AND SIMULATION OF AN AIRCRAFT LANDING GEAR SYSTEM. MODARES MECHANICAL ENGINEERING, 15(8), 271-280. SID. https://sid.ir/paper/179076/en

Vancouver: Copy

HAGHBEIGI MORTEZA, BADRI KOUHI EHSAN, MOHAMMADI BIJAN. DYNAMIC ANALYSIS AND SIMULATION OF AN AIRCRAFT LANDING GEAR SYSTEM. MODARES MECHANICAL ENGINEERING[Internet]. 2015;15(8):271-280. Available from: https://sid.ir/paper/179076/en

IEEE: Copy

MORTEZA HAGHBEIGI, EHSAN BADRI KOUHI, and BIJAN MOHAMMADI, “DYNAMIC ANALYSIS AND SIMULATION OF AN AIRCRAFT LANDING GEAR SYSTEM,” MODARES MECHANICAL ENGINEERING, vol. 15, no. 8, pp. 271–280, 2015, [Online]. Available: https://sid.ir/paper/179076/en

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