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RISThe Influence of Additively Manufactured Nonlinearities on the Dynamic Response of Assembled Structures
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Structural dynamic techniques have been proven accurate at predicting the vibrations of single parts (i.e., monolithic specimens), which are widely used in industrial applications. However, vibration analysis of such ...
Impact of Assimilating Surface Velocity Observations on the Model Sea Surface Height Using the NCOM-4DVAR
Publisher: American Meteorological Society
Abstract: he assimilation of surface velocity observations and their impact on the model sea surface height (SSH) is examined using an operational regional ocean model and its four-dimensional variational data assimilation (4DVAR) ...
Weak and Strong Constraints Variational Data Assimilation with the NCOM-4DVAR in the Agulhas Region Using the Representer Method
Publisher: American Meteorological Society
Abstract: he difference between the strong and weak constraints four-dimensional variational (4DVAR) analyses is examined using the representer method formulation, which expresses the analysis as the sum of a first guess and a finite ...
Monotonic and Cyclic Axial Compressive Behavior of CFRP-Confined Rectangular RC Columns
Publisher: American Society of Civil Engineers
Abstract: The majority of experimental and analytical investigations on the stress-strain behavior of rectangular concrete columns externally confined with carbon fiber–reinforced polymer (CFRP) composites have concentrated largely ...
On the Characterization of Nonlinearities in Assembled Structures
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This work refines a recently formalized methodology proposed by D.J. Ewins consisting of ten steps for model validation of nonlinear structures. This work details, through a series of experimental studies, that many standard ...
Iterative Stress Reconstruction Algorithm to Estimate Three-Dimensional Residual Stress Fields in Manufactured Components
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Residual stress (RS) significantly impacts the mechanical performance of components. Measurement of RS often provides incomplete data in terms of components of stress and spatial density. Employing such fields in finite ...
Examining the Potential Impact of SWOT Observations in an Ocean Analysis–Forecasting System
Publisher: American Meteorological Society
Abstract: ASA?s Surface Water and Ocean Topography (SWOT) satellite, scheduled for launch in 2020, will provide observations of sea surface height anomaly (SSHA) at a significantly higher spatial resolution than current satellite ...
Assessment of the Behavior of FRP-Strengthened RC Slabs Using a Discrete Crack Model
Publisher: American Society of Civil Engineers
Abstract: This paper presents a new discrete crack model that can simulate the complex behavior of fiber-reinforced polymer (FRP)-strengthened reinforced concrete (RC) slabs. The model approximates the kinematics of crack openings ...
Do Assimilated Drifter Velocities Improve Lagrangian Predictability in an Operational Ocean Model?
Publisher: American Meteorological Society
Abstract: he Lagrangian predictability of general circulation models is limited by the need for high-resolution data streams to constrain small-scale dynamical features. Here velocity observations from Lagrangian drifters deployed ...
Impact of Assimilating Ocean Velocity Observations Inferred from Lagrangian Drifter Data Using the NCOM-4DVAR
Publisher: American Meteorological Society
Abstract: ulerian velocity fields are derived from 300 drifters released in the Gulf of Mexico by The Consortium for Advanced Research on Transport of Hydrocarbon in the Environment (CARTHE) during the summer 2012 Grand Lagrangian ...