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A Four-Parameter Iwan Model for Lap-Type Joints
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The constitutive behavior of mechanical joints is largely responsible for the energy dissipation and vibration damping in built-up structures. For reasons arising from the dramatically different ...
Model Reduction of Systems With Localized Nonlinearities
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An approach to development of reduced order models for systems with local nonlinearities is presented. The key of this approach is the augmentation of conventional basis functions with others ...
Modeling of Threaded Joints Using Anisotropic Elastic Continua
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Using fine material meshes in structural dynamics analysis is often impractical due to time step considerations. Unfortunately, fine meshes are typically required to capture the inherent physics ...
An Empirical Relationship for Extrapolating Sparse Experimental Lap Joint Data
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Correctly incorporating the influence of mechanical joints in built-up mechanical systems is a critical element for model development for structural dynamics predictions. Quality experimental data ...
Using Series-Series Iwan-Type Models for Understanding Joint Dynamics
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In many structures of great engineering importance, such as air frames or jet engines, the primary source of vibration damping is often just the frictional damping of interfaces associated with ...
Modal Analysis to Accommodate Slap in Linear Structures
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The generalized momentum balance (GMB) methods, explored chiefly by Shabana and his co-workers, treat slap or collision in linear structures as sequences of impulses, thereby maintaining the ...
New Approximations for Elastic Spheres Under an Oscillating Torsional Couple
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The Lubkin solution for two spheres pressed together and then subjected to a monotonically increasing axial couple is examined numerically. The Deresiewicz asymptotic solution is compared to the ...