Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 35 for “"Fluid-structure interactions"”.
-
On mixed finite element formulations for fluid-structure interactions
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Ocean Engineering, 1995.
-
Efficient and robust partitioned solution schemes for fluid-structure interactions
… development of a strongly coupled, partitioned fluid-structure interactions (FSI) solver is outlined. Well established methods are analysed and new methods are proposed to provide robust, accurate and efficient FSI solutions. All the methods introduced and analysed are primarily geared towards …
-
Modeling of Nonlinear Unsteady Aerodynamics, Dynamics and Fluid Structure Interactions
… vibration system. This system consists of a base structure and a cantilever beam with a tip mass. The dynamic equations for the system are derived using the extended Hamilton's principle. The method of multiple scales is then used to analytically determine the stability and bifurcation of the …
-
Dynamical System Representation and Analysis of Unsteady Flow and Fluid-Structure Interactions
… to reduce the representation order of unsteady fluid flows and fluid-structure interaction systems. This approach allows for significant reduction in the computational cost of their numerical simulations, implementation of optimization and control methodologies and assessment of their dynamic …
-
Reduced-order modeling and adjoint-based optimization of flows with fluid-structure interactions
Fluid-structure interaction (FSI) is ubiquitous in nature, and has drawn great attention in fluid mechanics community for about a century. However, the complexity of FSI has perplexed the physical analysis and understanding on this problem. In addition, FSI often brings a huge parametric space when …
-
A Volume-Force Synthetic Disturbance Approach for High-Fidelity of Unsteady Fluid Structure Interactions
… field in numerical simulations of unsteady fluid-structure interactions, access limitations of this approach, to find requirements for the computational domain, space and time resolution, and apply this model to investigate selected physical problems. For this reason a comprehensive …
-
Effects of the Non-Newtonian Rheology on the Fluid-Structure Interactions in Biological Flows
Fluid-structure interactions (FSIs) in non-Newtonian fluid flows are found in many industrial processes and biological systems, and the non-Newtonian rheology has significant effects on FSIs. However, it is a challenge to model FSIs involving non-Newtonian flows due to their complex …
-
A spectral element formulation for fluid-structure interactions : applications to flow through collapsible channels
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1996.
-
An Experimental Study of the Fluid- Structure Interactions of Water Entry of Compliant Structures
Water entry of compliant structures is a major area of interest within different fields of engineering. In the case of highly flexible panels, an application for this topic is on drag reduction due to shape reconfiguration of panels near the free surface to support further development of undulatory …
-
Phase-field simulation of solidification with moving solids
… methodology for simulating solidification using fluid structure interactions coupled with the phase-field method while allowing for topology changes in the solid-liquid interface with non-stationary solids. This methodology is implemented using a finite difference scheme and a semi-implicit …
-
Intelligence Through Interaction: Leveraging Physical Interactions In Simple Robots To Produce Complex Behaviors
… robot behavior can emerge from physical interactions rather than sensing, computation, and actuation in the traditional sense. Two robotic systems are presented to explore this concept in different domains. The first is a swarm of simple rolling robots whose collective morphology is …
-
Modeling a two-link rigid swimmer scalloping in linear viscoelastic fluid
… of two links cannot swim in a viscous Newtonian fluid due to the reciprocal nature of its movements. Viscoelastic fluid, on the other hand, has a characteristic time scale associated with stress relaxation and can impart asymmetrical stresses on the body of a swimmer to propel it forward. This …
-
A study of the motion of the three-linked swimmer in viscous fluid using computational and experimental methods
… of motion of the three-linked swimmer in viscous fluid. Numerical studies in C++ were used to predict the velocity and motion of the swimmer using a modified analytical model that considers the dynamical and orientational effects of rods at the surface of a fluid. Computational simulations were …
-
Tricks and tips for faster small-scale swimming: Complex fluids and elasticity
… filaments in order to self-propel in viscous fluids. Often swimming occurs in complex, nonlinear fluids, e.g. mucus. Futhermore even in simple Newtonian fluids, if swimming appendages are deformable then locomotion is subject to fluid-structure interactions. The fundamental question addressed …
-
Developing a Vehicle Hydroplaning Simulation using Abaqus and CarSim
… provides an excellent way to study such Fluid Structure Interactions (FSI) between the tire-water-road surfaces. Abaqus FSI CEL approach has been used to study tire traction with various vehicle configurations. The tire force data obtained from the Finite Element simulations is used to …
-
Thermally driven visco-elastic measurement technique via spectral variations in scanning probe microscopy cantilevers
Understanding how fluids respond to various deformations is of great importance to a spectrum of disciplines ranging from bio-medical research on joint replacements to sealing technology in industrial machinery. Specifically, this work addresses the need for probing interfacial rheology to …
-
Computational optimization of phase change materials on adsorbed carbon dioxide capture systems
… solves for the fabrication of novel adsorbent structures composited with phase change materials (PCM) optimized in selected design applications. The design applications include internally coated hollow fibers, externally coated annular finned tube, and a storage vessel which are presented in …
-
On the hydrodynamics of flexible vegetation canopies
… are primarily controlled by the detailed interactions between hydrodynamics and canopy properties, which governs energy cascades and long-term coastal morphodynamics. This research focuses on the evaluation of the common seagrass species, Zostera marina, which is present along coastlines …
-
Viscous streaming in the vicinity of three-dimensional elastic structures
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2025-02-04 without embargo terms
Page 1 of 2