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All News and Pages Related to "ship hydrodynamics"

Stern Advances Hands-On Learning at UI

Posted on April 15th, 2014

At the University of Iowa, Professor Frederick Stern has developed a customized educational approach using the ANSYS Workbench interface and tools that help students quickly learn to use ANSYS Fluent for advanced computational fluid dynamics (CFD) simulations, while reinforcing introductory and intermediate fluid mechanics concepts. Read more …

Wave Basin

Posted on October 28th, 2013

Experiment The new IIHR—Hydroscience & Engineering wave basin facility is described, which was specifically designed for global and local flow measurements around free running models for benchmark CFD validation data, including six plunger-type wave makers, x carriage and y, θ sub-carriage/turntable with the model tracking system, the model release system, and semi-captive mount. Trajectories are […]

Impulsive Plunging Wave Breaking

Posted on October 28th, 2013

Experiment The plunging wave-breaking process for impulsive flow over a bump in a shallow water flume is described, which is relevant to ship hydrodynamics since it includes the effects of wave-body interactions and the wave breaking direction is opposite to the mean flow. Phase averaged measurements (relative to the time at which the maximum wave […]

Journal Articles (moderate review)

Posted on October 14th, 2013

Gui, L., Yoon, H., and Stern, F., “Experimental and Theoretical Investigation of Instabilities for Flow Over a Bump in a Shallow Water Flume with Steady Downstream Wave Train,” IIHR Technical report #487, 2014 Wang, Yang, Stern, “High-Fidelity Simulations of Bubble, Droplet, and Spray Formation in Breaking Waves,” DoD HPC Insights, Fall 2012, pp. 5 – […]

Online Archives

Posted on October 14th, 2013

Stern, F., Xing, T., Yarbrough, D., Rothmayer, A., Rajagopalan, G., Otta, S.P., Caughey, D., Bhaskaran, R. Smith. S., Hutching, B., and Moeykens, S., “Development of Hands-On CFD Educational Interface for Undergraduate Engineering Courses and Laboratories,” CACHE Newsletter, http://www.che.utexas.edu/cache/, Fall 2004, No. 59. Stern, F., Xing, T., Yarbrough, D., Rothmayer, A., Rajagopalan, G., Otta, S.P., Caughey, […]

Series 60 Steady Flow

Posted on September 10th, 2013

Equipment Results are presented from a towing-tank experiment conducted in order to explicate the influence of wavemaking by a surface-piercing body on its boundary layer and wake and provide detailed documentation of the complete flow field appropriate for validating computational fluid dynamics methods. Mean velocity and pressure field measurements were performed for two Froude numbers, 0.16 […]

Series 60 Drift

Posted on September 10th, 2013

Experiment Yaw effects on model-scale ship flow are documented through towing-tank experiments for a 3.048-m Series 60 CB=0.6 model ship.  The data includes: photographs and video; resistance, side force, and yaw moment; sinkage, trim, and heel; wave profiles along the hull and wave elevations; and mean-velocity and pressure fields for numerous crossplanes from the bow […]

5512 Captive Maneuvering

Posted on September 10th, 2013

Experiment Towing-tank experiments are performed for a surface combatant as it undergoes static and dynamic planar motion mechanism maneuvers in calm water. The data includes global forces/moment/motions and phase-averaged local flow-fields, and uncertainty assessment. The geometry is DTMB model 5512, a 1:46.6 scale, 3.048 m long, fiber reinforced Plexiglas hull. Model 5512 is a geosim […]

5512 Pitch and Heave

Posted on September 10th, 2013

Experiment Towing-tank experiments of coupled pitch and heave motions are presented for a surface combatant advancing in regular headwaves.  The data includes ballasting parameters, encounter frequency, time histories, Fourier series amplitudes, and pitch and heave transfer functions and phase. The geometry of interest is DTMB model 5512, a 1:46.6 scale, 3.048 m long, fiber reinforced […]

Ship Hydrodynamics at IIHR

Posted on August 27th, 2013