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RISElastic Wave Propagation in Strongly Nonlinear Lattices and Its Active Control
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This work studies elastic wave propagation in strongly nonlinear periodic systems and its active control with specific attention to an infinite mass-in-mass lattice. Piezoelectric materials are applied to it to provide ...
Modeling of Welded Joints in a Pyramidal Truss Sandwich Panel Using Beam and Shell Finite Elements
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Pyramidal truss sandwich panels (PTSPs) are widely used in engineering structures and their face sheets and core parts are generally bonded by the welding process. A large number of solid elements are usually required in ...
Periodic Solutions of Wave Propagation in a Strongly Nonlinear Monatomic Chain and Their Novel Stability and Bifurcation Analyses
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A modified incremental harmonic balance (IHB) method is used to determine periodic solutions of wave propagation in discrete, strongly nonlinear, periodic structures, and solutions are found to be in a two-dimensional ...
A Spatial and Temporal Harmonic Balance Method for Obtaining Periodic Solutions of a Nonlinear Partial Differential Equation With a Linear Complex Boundary Condition
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A spatial and temporal harmonic balance (STHB) method is demonstrated in this work by solving periodic solutions of a nonlinear string equation with a linear complex boundary condition, and stability analysis of the solutions ...
Analysis on In-Plane 2:2:1 Internal Resonance of a Complex Cable-Stayed Bridge System Under External Harmonic Excitation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Nonlinear dynamic analysis of a cable-stayed bridge has been a hot topic due to its structural flexibility. Based on integro-partial differential equations of a double-cable-stayed shallow-arch model, in-plane 2:2:1 internal ...
Enhanced Pose Adjustment System for Wing-Box Assembly in Large Aircraft Manufacturing
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Strict quality requirements in aircraft manufacturing demand high-accuracy pose adjustment systems. However, the pose alignment process of a large complex structure is also affected by thermal and gravity deformations to ...
Nonlinear Transverse Vibration of a Hyperelastic Beam Under Harmonically Varying Axial Loading
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Nonlinear transverse vibration of a hyperelastic beam under a harmonically varying axial load is analyzed in this work. Equations of motion of the beam are derived via the extended Hamilton's principle, where transverse ...
Full-Field Modal Analysis of a Tensegrity Column Using a Three-Dimensional Scanning Laser Doppler Vibrometer With a Mirror
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Tensegrity structures become important components of various engineering structures due to their high stiffness, light weight, and deployable capability. Existing studies on their dynamic analyses mainly focus on responses ...
An Incremental Harmonic Balance Method With a General Formula of Jacobian Matrix and a Direct Construction Method in Stability Analysis of Periodic Responses of General Nonlinear Delay Differential Equations
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A general formula of Jacobian matrix is derived in an incremental harmonic balance (IHB) method for general nonlinear delay differential equations (DDEs) with multiple discrete delays, where the fast Fourier transform is ...
Modified First-Order Compound Function-Based Interval Perturbation Method for Luffing Angular Response of Dual Automobile Crane System With Interval Variables
Publisher: American Society of Mechanical Engineers (ASME)
Abstract: The accuracy of conventional crane engineering problems with bounded uncertainty is limited to cases where only first-order terms are retained. However, the impact of high-order terms on the luffing angular response (LAR) ...