Integrated experiments and simulation for hydrodynamic control and detection
Abstract
The objective of this project is to investigate the integration of experimentalmeasurements with on demand dynamic viscous simulations to be used in near real-timeapplications such as control and decision-making. The project builds on previous workutilizing simple potential flow models to provide a fluid model that may be solvedinversely to describe flow features or boundary conditions of objects in the flow fieldbased on field measurements, such as pressure and velocity. The present study willexpand this work to include the effects of viscous flows through several subtasks. Theproject will connect two 2-D viscous simulations (immersed boundary method andLattice-Boltzmann method) with measurements obtained through embedded pressuresensors and quantitative flow visualization techniques. Data assimilation methods will beapplied to correct the 2-D simulations to incorporate 3-D effects. Applications of controland prediction of flow-induced vibration problems will be investigated with applied dataassimilation techniques. Adjoint methods will be investigated as a general technique toallow changes to boundary conditions in the flow simulations in order to invert pressureand velocity measurements to solve for general object shapes based on measured pressureand velocity. An additional task will include an investigation of using piezoelectricmaterials to control flow-induced vibrations in collaboration with the University ofMichigan. This project will develop fundamental understanding in the use of simulationsintegrated with measurements as near real-time tools for control.
Document Details
- Document Type
- DoD Grant Award
- Publication Date
- Sep 30, 2016
- Source ID
- N000141612968
Entities
People
- Jason Dahl
Organizations
- Office of Naval Research
- United States Navy
- University of Rhode Island