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RISA Two-Dimensional Linear Stability Analysis of the Multiple Vortex Phenomenon
Publisher: American Meteorological Society
Abstract: Two numerical models have been constructed and used to investigate the formation of secondary vortices in axisymmetrically forced rotating flows. The vortex flow examined is that developed in a laboratory vortex simulator ...
Evaluation of Wrought Iron for Continued Service in Historic Bridges
Publisher: American Society of Civil Engineers
Abstract: Doubts about the strength of wrought iron used in historic structures can be resolved with appropriate methods of evaluation. Since wrought iron is a composite material of metal and slag fibers, its performance in structures ...
A Comparison of Baroclinic Instability with the Time Variations of Kinetic Energy in a General Circulation Model
Publisher: American Meteorological Society
Abstract: The flow generated by a general circulation model is zonally averaged at 1-day intervals, and, for each of the axisymmetric flows obtained, the linear growth-rate spectrum for baroclinic waves is computed using a linear ...
Some Effects of Momentum Diffusion on Axisymmetric Vortices
Publisher: American Meteorological Society
Abstract: In the absence of momentum diffusion (viscous or turbulent) in a steady state axially bounded vortex, such as that produced by a Ward-type tornado simulator, a two-celled vortex configuration in which the inner cell is ...
The Poisson Link Between Internal Wave and Dissipation Scales in the Thermocline Part II. Internal Waves, Overturns, and the Energy Cascade
Publisher: American Meteorological Society
Abstract: The irregular nature of vertical profiles of density in the thermocline appears well described by a Poisson process over vertical scales 2-200 m. To what extent does this view of the thermocline conflict with established ...
Vibration Response of Linear Damped Complex Systems
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Hahnkamm has found the changes in the amplitudes of each of the two maxima of the unit vibration response of a two-degree-of-freedom linear system as the strength of the single linear dashpot ...
Fabric‐Reinforced, Mortar‐Faced, Foam‐Core Sandwich Panels
Publisher: American Society of Civil Engineers
Abstract: This paper describes the construction of structural sandwich panels by wrapping reinforcing fabric around a foam board, then dipping it in a mortar slurry and screeding away excess mortar. A design procedure is described ...
Monotone Behavior of Trusses Under Two Loadings
Publisher: American Society of Civil Engineers
Abstract: This note provides a convergence proof to the iterative procedure of the analysis/redesign type that attains an upper bound (a fully stressed design) on the minimum weight of trusses under two loading conditions. The proof ...
Effect of Simulation Methodology on Solder Joint Crack Growth Correlation and Fatigue Life Prediction
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A generalized solder joint fatigue life model for surface mount packages was previously published in [1,2]. The model is based on correlation to measured crack growth data on BGA joints during ...
Thriving in a Net-Zero Office—Looking Beyond Energy to Create Quality in Human Work Spaces
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Better energy performance (i.e., net-zero or carbon neutral) is not the only dimension where better buildings quality is needed. It may just be the easiest one to measure. Three interrelated dimensions—productivity and its ...