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RISA New Lagrangian and a New Lagrange Equation of Motion for Fractionally Damped Systems
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: All dynamic systems exhibit some degree of internal damping. Recent investigations have shown that a fractional derivative model provides a better representation of the internal damping of a ...
Application of Wavelets in Modeling Stochastic Dynamic Systems
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents a wavelet based model for stochastic dynamic systems. In this model, the state variables and their variations are approximated using truncated linear sums of orthogonal ...
Poleward Flux of Atmospheric Angular Momentum in the Southern Hemisphere
Publisher: American Meteorological Society
Abstract: Tabulations of daily winds from IGY data were made at eight pressure levels (850, 700, 500, 400, 300, 200, 100 and 50 mb) for 121 Southern Hemisphere plus 22 Northern Hemisphere equatorial stations during the calendar year ...
WMO's Role in the International Decade for Natural Disaster Reduction
Publisher: American Meteorological Society
Abstract: Editor's note: This article is based on a presentation to the Symposium on theInternational Decade for Natural Disaster Reduction, 24 January 1994 in Nashville,Tennessee. The symposium was held in conjunction with the AMS ...
An Application of Extended Kalman Filtering to Heat Exchanger Models
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper shows how an extended Kalman filter can be applied to the parameter estimation in continuous time heat exchanger models. The model is based on lumping of the heat exchanger. It ...
A General Superelement Model on a Moving Reference Frame for Planar Multibody System Dynamics
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents a mathematical formulation for a superelement on a moving reference frame. A group of constrained elements, forming a single degree-of-freedom with respect to some reference ...
An Improved Numerical Modeling for Resistance Spot Welding Process and Its Experimental Verification
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A numerical model of resistance spot welding with spherical tip electrode is developed to incorporate the electro-thermal aspect as well as thermo-elasto-plastic behaviour inherent in this process. ...
Predictions of Endwall Losses and Secondary Flows in Axial Flow Turbine Cascades
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper describes the development of a semi-empirical model for estimating end-wall losses. The model has been developed from improved understanding of complex endwall secondary flows, acquired ...
Wear Evaluation and Ranking of Tribomaterials Using a Hasse Diagram Approach
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A procedure is developed to evaluate and rank tribomaterials based on wear parameters using a vectorial approach. The method known as the Hasse Diagram approach allows one to graphically compare ...
Evaluation of Flow Field Approximations for Transonic Compressor Stages
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The flow through gas turbine compressors is often characterized by unsteady, transonic, and viscous phenomena. Accurately predicting the behavior of these complex multi-blade-row flows with unsteady ...