Dynamic Response of Airplanes in Ground Operation

by Te-ming Hsueh, (A.M.ASCE), Civ. Engr.; Pacific Gas and Electric Co., San Francisco, CA,
Joseph Penzien, (M.ASCE), Prof. of Struct. Engrg.; Div. of Struct. Engrg. and Struct. Mech., Univ. of California, Berkeley, CA,


Serial Information: Transportation Engineering Journal of ASCE, 1974, Vol. 100, Issue 3, Pg. 743-756


Document Type: Journal Paper

Abstract: This investigation deals with deterministic and stochastic analyses of dynamic response of airplanes to runway unevenness. After a brief review of various methods for runway unevenness representation, a new approach of power spectral representation of sectional ergodic runway is presented. This new method, while keeping the computational expedience of power spectral density techniques, has the important feature that the local uneven nature of runways can be revealed. Two complementary approaches are used to obtain dynamic response. They are time-history analysis and power spectral analysis. The mathematical idealization of airplanes used in analysis can take account of the nonlinear behavior of the landing gear systems and the flexural nature of the free-free airframe. The analysis of the dynamic response of the Boeing 707 airplane to a severely uneven runway is taken as an example solution in order to illustrate some applications of the methods. Finally, some of the more significant findings of this investigation are summarized.

Subject Headings: Airport and airfield pavements | Dynamic analysis | Dynamic response | Aircraft and spacecraft | Power spectral density | Stochastic processes | Spectral analysis | Computing in civil engineering

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