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RISA Nonuniform Cell Partition for the Analysis of Nonlinear Stochastic Systems
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents a study of nonuniform cell partition for analyzing the response of nonlinear stochastic systems by using the generalized cell mapping (GCM) method. The necessity of nonuniform ...
The Modal Formulation and Adaptive-Passive Control of the Nonself-Adjoint One-Dimensional Acoustic System With a Mass-Spring Termination
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper investigates the use of mass-spring type of impedances as absorbing elements for interior noise control. The general modal formulation for a one-dimensional acoustic system terminated ...
Response Variance Reduction of a Nonlinear Mechanical System via Sliding Mode Control
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An analysis of a target tracking mechanical system subject to random base excitations is presented in this paper. Sliding mode controls are proposed to minimize the random error of target ...
A Stochastic Averaging Approach for Feedback Control Design of Nonlinear Systems Under Random Excitations
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents a method for designing and quantifying the performance of feedback stochastic controls for nonlinear systems. The design makes use of the method of stochastic averaging to ...
Covariance Control of Nonlinear Dynamic Systems via Exact Stationary Probability Density Function
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents a method for designing covariance type controls of nonlinear stochastic systems. The method consists of two steps. The first step is to find a class of nonlinear feedback ...
Finite Element Modeling and Analysis of Friction Wedge Damping During Suspension Bounce Modes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A two-dimensional finite element model (2D FEM) has been developed to improve the modeling and understanding of the friction damping characteristics of freight bogie suspensions. The specific ...
Finite Element Modeling and Analysis of Friction-Wedge Dampers During Suspension Pitch Modes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A two-dimensional finite element model has been developed to investigate the friction damping characteristics of suspensions with so-called “constant-damping” friction wedges widely used in three-piece ...
Optimization of Boundary Supports for Sound Radiation Reduction of Vibrating Structures
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The purpose of this research is to design optimal boundary supports for minimum structural sound radiation. The influence of the boundary conditions on the structural dynamics of a cantilever ...
On the Fatigue Analysis of Non-Gaussian Stress Processes With Asymmetric Distribution
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents a multistage regression method to obtain an empirical joint probability density function (PDF) for rainflow amplitudes and means of non-Gaussian stress processes with asymmetric ...
Effect of Material and Geometry on the Sound and Vibration Transmission across a Sandwich Beam
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper studies sound and vibration transmission across a sandwich beam made of anisotropic materials. In our previous study, we have found that there is a significant increase in the ...