[PDF] Top 20 A reduced order method for simulation and control of fluid flows

... the reduced order model was ...the reduced order model in predicting the dynamics of uid ...and reduced order model at time t=10, ... See full document

... present method is verified with the simulation of the start-up planar Couette flows of the Hookean and FENE model ...the fluid is at ...Couette flows, the governing equations (13)-(16), ... See full document

... open-loop control are common practice, much fewer successful closed-loop control efforts are reported in the ...Predictive Control (MPC) approaches require very significant computational resources to ... See full document

... Given the importance of suppressing turbulence for reducing skin-friction drag, much attention has been focussed on designing controllers for wall-bounded flows, particularly plane channel-flows (Bewley & Liu 1998; Lee ... See full document

... in control design for a haptic device and a CPS is that haptic devices typically sacrifice the fidelity of their rendering to preserve stability while interacting with a ...to control design. In an earlier ... See full document

... as control mechanism, that is, control is eected through the temperature on part of the ...boundary. Control problems are formulated as constrained minimization ...optimal control is given and ... See full document

... discretisation method for the simulation of flows of a Newtonian fluid in two ...The fluid-flow domain is discretised using a Cartesian grid from which non- overlapping rectangular ... See full document

... Boltzmann method (LBM) is a powerful tool in modeling ...gas flows beyond the Navier-Stokes level, either by using the high-order Gauss-Hermite quadrature, or by introducing the relaxation time that ... See full document

... the order of 30%, indicating an exponential divergence between any model prediction and the actual solution outside the snapshot ...fourth order finite difference scheme for spatial discretization of NSE in ... See full document

... on reduced-order combustion ...A reduced order combustion model [promises to limit instances of a high momentum within the system caused by increased concentration and density gradients of the ... See full document

... the reduced basis method (RBM) for optimal control of unsteady viscous ...reduction method in which one can achieve the versatility of the nite element method or another for that matter ... See full document

... multi-component flows with interface evolution many interesting experiments have been carried ...phase flows that consider the evolution of the interface have been ...numerical method based on upwind ... See full document

... POD method with 5 POD modes is shown in Figure 2 and the relative error between the two methods, namely the POD's and AIM's, is displayed in Figure ...AIM method are already small compared to those using ... See full document

... method introduces regularization and interpolation operators and regards both the pressure and boundary force as Lagrange multipliers required to satisfy the kinematic constraints of divergence-free and no-slip. ... See full document

... numerical simulation of Fluid-Structure Interaction (FSI) problems is an important topic in wide areas of engineering and medical ...pulsatile flows combined with a high degree of deformability of ... See full document

... A Jasco-900 series (Japan Spectroscopic Co. Ltd., Hachioji, Tokyo, Japan) of supercritical fluid chromatography was employed for the present study. It was equipped with two pumps (PU-980), which were capable to ... See full document

... interest is signicantly away from it. From time to time, reduced basis vectors have to be updated and the solution is sought in the new reduced basis space. Moreover, generating the right hand side of (1.2) ... See full document

... relaxation method on the velocity ...relaxation method improves calculation accuracy not only for the slow fluid flow calculation but relatively fast- er fluid flow ...relaxation method ... See full document

... the flows, which are local in the subdomains, remain ...those flows, which pass through several sub-domains. Such flows pass at list through one SDN ... See full document

... incompressible fluid motion expressing the compatibility and restriction conditions between the solenoidal velocity and the vorticity vector field functions at a given point in space and ... See full document