High Fidelity Fluid-Structure Interaction for Calm-Water Forward-Speed Rigid/Flexible Flat-Plate Slamming
Abstract
High Fidelity Fluid-Structure Interaction for Calm-Water Forward-Speed Rigid/Flexible Flat-Plate SlammingAn integrated/collaborative computational/experimental FSI research project is proposed in which CFD-CSD studies are performed at the University of Iowa using experimental studies as performed at the University of Maryland (UMD). The objective is to interactively two-way couple CFDShip- Iowa V5.5 and V6.2 with CSD finite element code for calm-water forward-speed flat-plate slamming. The focus is on global/local rigid/flexible flat plate FSI studies for global and local/resolved physics, including wave breaking and spray sheet breakup and bubble/droplet size distribution and turbulent flow along with structural loads and distribution strains/deformations.CFDShip-Iowa V6.2 has demonstrated its capability for wave breaking, spray and air-entrainment and LES for single and two-phase flow. Code development for one-, 1.5- and two-way coupling FSI approach will build on previous experience with V4.5. Previously ANSYS was used for CSD finite element code, but other codes will also be considered. The structural/grid deformationapproach builds on that previously used for erministic/stochastic optimization studies. Taskswill include code development V5.5 and V6.2 including hydrodynamics and FSI.Verification and validation studies will be coordinated with UMD for definition of validation variables and use of preliminary simulations to guide experiments. For the CFD setup, the experimental information including the geometry, flow conditions, and motion velocity andtrajectories will be obtained from UMD. The variables including pressure and forces on the plate, the profile of the spray sheet, spray formation process, droplet formation and size distribution will be used as the validation data. The preliminary results obtained from the simulations can provide guidance to the experiments.
Document Details
- Document Type
- DoD Grant Award
- Publication Date
- May 05, 2017
- Source ID
- N000141712447
Entities
People
- Frederick Stern
Organizations
- Office of Naval Research
- United States Navy
- University of Iowa