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RISConceptual Approach to Unconventional Airship Design and Synthesis
Publisher: American Society of Civil Engineers
Abstract: This paper presents a novel design methodology to be used in the evaluation of the main features of advanced unconventional airship configuration. Similar to the process used in aircraft design, the concept of volume ...
Experimental Slender Wing Model Design by the Application of Aeroelastic Scaling Laws
Publisher: American Society of Civil Engineers
Abstract: Long-endurance, unmanned air vehicles (UAVs) usually employ high-aspect-ratio, flexible wings to reduce weight and power required to achieve extended flight operation. There are currently several advanced concept designs ...
Vibration and Stability of Coaxial Cylindrical Shells with a Gap Partially Filled with Liquid
Publisher: American Society of Civil Engineers
Abstract: The problem of vibration and stability of coaxial circular cylindrical shells of finite length is considered when the region between the shells is partially filled with an incompressible liquid. The frequencies of vibration ...
Detection of Nonlinearities in Plates Via Higher Order Spectra: Numerical and Experimental Studies
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Higherorder spectral (HOS) analysis tools are employed to extract the nonlinear dynamic response features of elastic and laminated plates by using both physicsbased mechanical plate models and experimental data. Bispectral ...
Post-Critical Behavior of Suspension Bridges Under Nonlinear Aerodynamic Loading
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The limit cycle oscillations (LCOs) exhibited by long-span suspension bridges in post-flutter condition are investigated. A parametric dynamic model of prestressed long-span suspension bridges is coupled with a nonlinear ...
Stability of Flexible Orthotropic Rectangular Plates in Supersonic Flow: Amplitude-Speed Dependency in Precritical and Postcritical Flight Conditions
Publisher: American Society of Civil Engineers
Abstract: This paper provides insights into the stability of flexible orthotropic rectangular plates in supersonic flow by revealing the amplitude-speed dependency behavior for such panels in precritical and postcritical flight ...
Vortex-Induced Vibrations of Two Degrees-of-Freedom Sprung Cylinder With a Rotational Nonlinear Energy Sink: A Numerical Investigation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Vortex-induced vibration (VIV) is a common fluid–structure interaction phenomenon in the field of wind engineering and marine engineering. The large-amplitude VIV has a marked impact on the slender structure in fluids, at ...
Localized Magnetoelastic Bending Vibration of an Electroconductive Elastic Plate
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The study of the magnetoelastic vibrations of a flat plate immersed in a uniform applied external magnetic field is presented. Kirchhoff’s plate theory and the model of a perfect conductive ...
Initial Investigation into the Protection of Manufactured-Home Parks from Hurricanes Using Wind-Deflection Barriers
Publisher: American Society of Civil Engineers
Localized Bending Waves in a Rib-Reinforced Elastic Orthotropic Plate
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Localized bending waves in a thin elastic orthotropic cantilever plate reinforced by a rigid rib are studied. A condition under which the edge waves can be eliminated is determined. The condition ...