[PDF] Top 20 Adaptive mesh refinement for computational aeroacoustics

... of adaptive mesh refinement (AMR) attracts interests mainly due to its potential of reducing both the computational and storage cost over an equivalent static uniform mesh, as it ... See full document

... of computational cost when high resolution ( ∼ 100 m) is neces- sary to reproduce GL ...anisotropic mesh adaptation in the finite element ice flow model, Elmer/Ice (Gagliardini et ...of mesh vertices ... See full document

... cretisation of the equations influences the accuracy of the solution, but a high- resolution calculation requires more computational resources. AMR is a tech- nique used to only increase the resolution of a ... See full document

... describe refinement regions geometrically and subgrids with the same refinement factor in all space directions and also in time are generated according to ...The adaptive algorithm calls this ... See full document

... lower computational costs than pure PIC ...hierarchical mesh [6]. The hierarchical mesh is con- trolled by an adaptive mesh refinement (AMR) ... See full document

... Abstract—Block-structured adaptive mesh refinement (AMR) is a technique that can be used when solving partial differential equations to reduce the number of cells necessary to achieve the required ... See full document

... science. Adaptive mesh refinement is an economical strategy for reducing the total mesh size in a discrete element simulation, but if used in isolation may not be an efficient means of ... See full document

... 2D mesh extruded into third dimension. The mesh with ...six computational meshes, composed of 550k - ...with mesh refinement due to capture of finer and finer scales of turbu- lence, ... See full document

... During the last decades, computer power has considerably increased. For fluid dynamic problems, this has motivated developments of high-order numerical methods to increase the prediction capability of numerical codes. ... See full document

... method, adaptive Finite Element method and adaptive Finite Volume method) in fracture mechanics have been investigated to allow the researchers to choose the optimal method based on the available facilities ... See full document

... the computational cost in element free Galerkin method (EFGM) is much more expensive than the ...in computational cost is especially evident for adaptive refinement analysis due to the ... See full document

... Electrical impedance tomography (EIT) can provide images with well defined characteristics only when the full nonlinear reconstruction process is constrained by a property of the image such as its local smoothness, ... See full document

... the computational reconstruction the domain under investigation has to be discretized into small ...pre-selected mesh is too coarse, the image resolution will be very ...element mesh need only be ... See full document

... our computational method for binary alloy solidification which takes advantage of high performance computing where up to 1024 cores are ...solver, adaptive meshing and a scheme for dividing the work load ... See full document

... adjoint-based adaptive strategy for mesh refine- ment on a T-shaped microchannel flow and adjoint-based parameter sensitivity ...uniform mesh of 428,676 degrees of freedom for the straight channel ... See full document

... This work was sponsored by the Air Force Office of Scientific Research, Air Force Material Command, USAF, under grant number FA9550-14-1-0224. The U.S. Government is authorised to reproduce and distribute reprints for ... See full document

... of mesh elements which raises new computer capacity problems on single processor ...the mesh discretization becomes too coarse to obtain images unaffected by the element size or it causes the computer to ... See full document

... the adaptive spatial refinement (it has already been implemented) and adaptive change of the order of basis functions over selected elements (h-p ... See full document

... the mesh determined for a radially symmetric feature using the density function ...square computational and physical domains centred at the ...the mesh. In Figure 4.4 (on the left) we see the ... See full document

... remarkable mesh quality improvement between certain limits, as recently studied in ...Rivara refinement improves angles, and this improvement has been studied in depth, see [8] where sharper bounds for ... See full document