high order discontinuous galerkin methods for cfd jaime peraire and per olof persson
Báo cáo hóa học: " A stabilized mixed discontinuous Galerkin method for the incompressible miscible displacement problem" pdf
Ngày tải lên :
20/06/2014, 22:20
... concerning discontinuous Galerkin methods can be found in [13] In this paper, we analyze a fully discrete finite element method with the stabilized mixed discontinuous Galerkin methods for the incompressible ... discontinuous Galerkin methods for Darcy flow J Sci Comput 22, 119–145 (2005) doi:10.1007/s10915-004-4150-8 Sun, S, Wheeler, MF: Discontinuous Galerkin methods for coupled flow and reactive transport ... of the parameters g and b, this paper includes the methods of [2,6] and [5] All the schemes are stable for any combination of discontinuous discrete concentration, velocity and pressure spaces...
- 17
- 400
- 0
frequency domain numerical modelling of visco acoustic waves based on finite difference and finite element discontinuous galerkin methods
Ngày tải lên :
27/07/2014, 23:25
... solutions of the equation for multiple sources The LU decomposition of A is a time and memory demanding task but is independent of the source, and, therefore is performed only once, while the ... Finite-Difference and Finite-Element Discontinuous Galerkin Methods 131 discretization of the differential operators along the axis x , y and z In 2D, the coordinate systems are the classic Cartesian one and ... minimize the cost function for angles φ and θ spanning between and 45 and for different values of G In the following, the number of grid points for which phase velocity dispersion is minimized will...
- 36
- 433
- 0
High Order Sliding Mode Neurocontrol for Uncertain Nonlinear SISO Systems - Theory and Applications
Ngày tải lên :
01/07/2015, 09:14
... a high frequency switching (chattering effect) of the designed control Therefore, the traditional notion of sliding mode control has been extended and the concept of 2-Sliding Mode and higher order ... effects) and gravity forces, the PD-controller can not guarantee the zero steady-state These two aspects demand more sophisticated controllers to ensure a good performance on the transient dynamics and ... arbitrary smoothness order can be achieved Shortly speaking, higher order sliding modes remove the restrictions faced by standard sliding mode, while keeping its main properties 1.2 Differential...
- 22
- 241
- 0
Immersed hybridizable discontinuous galerkin method for multi viscosity incompressible navier stokes flows on irregular domains
Ngày tải lên :
10/09/2015, 15:51
... context: continuous and discontinuous Galerkin methods Continuous Galerkin (CG) methods are unstable for Stokes flows in the use of equal -order polynomials for the basis of the velocity and pressure ... advisors: Professor Khoo Boo Cheong and Professor Jaime Peraire for their tremendous support and insightful guidance during my five-year long Ph.D program Professor Jaime Peraire has taught me how to ... ph , and u∗ for the Stokes interface probh lem All the errors are measured in L2 norm Super-parametric elements with the order of k ∗ = (2k + 1) for the geometric basis functions and the order...
- 141
- 310
- 0
Handbook of Residue Analytical Methods for Agrochemicals VOLUME 1 and VOLUME 2 doc
Ngày tải lên :
17/03/2014, 02:20
... standard (CEN) methods Scope and format of CEN methods CEN requirements for widely accepted multi-matrix/multi-residue methods Requirements for (newer) methods with limited scope Assessment and ... development of class- and chemical-specific spray reagents (paper and thin-layer) and electronic detectors for GC and high- performance liquid chromatography (HPLC), using element-selective and electron ... Summary References Field methods for performing farm worker exposure and re-entry studies Richard Honeycutt Introduction Current field methods for measuring mixer–loader and re-entry worker exposure...
- 1.4K
- 571
- 0
Nonlinear Stability of Finite Volume Methods for Hyperbolic Conservation Laws: and Well-Balanced Schemes for Sources ppt
Ngày tải lên :
23/03/2014, 01:20
... (2.23) (2.24) Lemma 2.8 The left-hand side of (2.23) and the right-hand side of (2.24) are nonincreasing functions of r and l respectively In particular, for (2.23) and (2.24) to hold it is necessary ... and p = p(, e) Thermodynamic considerations lead to assume that de + p d(1/) = T ds, (1.12) for some temperature T (, e) > 0, and specic entropy s(, e) Taking then (, s) as variables, the hyperbolicity ... convex set U Rp is an invariant domain for (1.8) if it has the property that U (x) U for all x U (t, x) U for all x, t (1.19) Notice that the convexity property is with respect to the conservative...
- 143
- 611
- 1
compact numerical methods for computers linear algebra and function minimisation 2ed - adam hilger
Ngày tải lên :
31/03/2014, 15:02
... Kevin Price for careful and detailed criticism, Bob Henderson for trying out most of the algorithms, Richard Wang for pointing out several errors in chapter 8, John Johns for trying (and finding ... effort is likely to be considered tedious and it is unnecessary if the code can be provided in a suitable form Here we provide source code in Turbo Pascal for the algorithms in this book and for ... pedigree and authorship Discussion of performance and reliability tests may be restricted to very simple examples Without such information, it may be next to impossible to determine the methods...
- 288
- 501
- 0
Báo cáo hóa học: " Research Article Some Iterative Methods for Solving Equilibrium Problems and Optimization Problems" potx
Ngày tải lên :
21/06/2014, 07:20
... improve and extend the recent ones announced by S Takahashi and W Takahashi , Iiduka and Takahashi 14 , Marino and Xu , Chen et al 15 , Y Yao and J.-C Yao 16 , Ceng and Yao 22 , Su et al 17 , and ... Combettes 24 , and Iiduka-Yamada 25 , for example, the steepest descent method, the hybrid steepest descent method, and the conjugate gradient methods; these methods have common form xn xn ωn ... Inequalities and Applications For finding a common element of the set of fixed points of nonexpansive mappings and the set of solution of variational inequalities for α-cocoercive map, Takahashi and Toyoda...
- 25
- 401
- 0
Báo cáo hóa học: " Research Article Hybrid Iterative Methods for Convex Feasibility Problems and Fixed Point Problems of Relatively Nonexpansive Mappings in Banach Spaces" docx
Ngày tải lên :
21/06/2014, 23:20
... 2.2 exists for each x, y ∈ U It is also said to be uniformly smooth if the limit is attained uniformly for x, y ∈ U It is well known that p and Lp < p < ∞ are uniformly convex and uniformly smooth; ... and hence u ∈ Ck This implies that F ⊂ Cn for all n ∈ N Next, we show that Cn is closed and convex for all n ∈ N Obvious that C1 C is closed and convex Suppose that Ck is closed and convex for ... Plubtieng and Ungchittrakool 22, Theorem 3.1 Let E be a uniformly convex and uniformly smooth Banach space, and let C be a nonempty closed convex subset of E Let S and T 14 Fixed Point Theory and...
- 19
- 287
- 0
Computational Methods for Protein Structure Prediction and Modeling Volume 1: Basic Characterization pot
Ngày tải lên :
27/06/2014, 10:20
... six methods [three “human-expert methods —authors’ annotation, CATH, and SCOP and three “fully-automated methods —DALI (Holm and Sander 1994), DomainParser (Guo et al., 2003), and PDP (Alexandrov ... the forefront of the major areas of the field and bring extensive experience and insight into the central intellectual methods and ideas in the subdomain and its difficulties, accomplishments, and ... sequencing instruments and new methods for preparation of suitable quantities of DNA and cheaper, higher sequencing throughput, while enabling a revolution in the biological and biomedical sciences,...
- 407
- 289
- 0
Variational Methods for Crystalline Microstructure - Analysis and Computation pptx
Ngày tải lên :
27/06/2014, 10:20
... az ≤ ac and − az ≤ ac, and the sum of the two left and the two right inequalities, respectively, gives cx ≤ ac and − cx ≤ ac Therefore |z| ≤ c and |x| ≤ a and this proves that (2.4) and (2.5) ... isotropic phase transformation For this material, Bladon, Terentjev and Warner derived a closed formula WBTW for the free energy density which depends on the deformation gradient F and the nematic ... material with a given shape for high temperatures can be easily deformed at low temperatures by rearranging the martensitic variants Upon heating above the transformation temperature, the material...
- 218
- 237
- 1
Level set methods for MRE image processing and analysis
Ngày tải lên :
09/09/2015, 18:50
... level set methods for elasticity modeling and interpretation Two new level set models have been developed, one for segmentation and the other one for piecewise constant modeling These new methods ... mechanisms for MRE 20 Table 3–1 Performance statistics of the 2D unified LSM on the NUH dataset 51 Table 3-2 Performance statistics of the 3D unified LSM on the LTSC dataset 52 Table 4–1 Performance ... varying forces in the direction normal to itself Smoothing is thus performed perpendicular to salient edges We describe level set diffusion (LSD) and introduce this numerical platform for medical...
- 138
- 420
- 0
Nonrigid registration methods for myocardial perfusion mri and cerebral diffusion tensor mri 1
Ngày tải lên :
09/09/2015, 18:55
... optimization of the transformation between the floating image and the reference image, and therefore is vital in registration as it determines the upper bound of the registration performance Single-Modality ... represented by a linear transformation M such that Pdef = Pmov ∗ M , (2.11) where Pmov stands for the points in the moving image and Pdef stands for the points in the deformed image Nonrigid Image ... nonrigid registration and our registration system for myocardial perfusion MR sequences Chapter describes our contour-image registration method and the free-form fibers system for brain fiber reconstruction...
- 137
- 228
- 0
Nonrigid registration methods for myocardial perfusion mri and cerebral diffusion tensor mri 2
Ngày tải lên :
09/09/2015, 18:56
... WORK method for full brain fiber reconstruction § 6.1.1 Cardiac Perfusion MRI The proposed nonrigid perfusion sequence registration method compensates for the elastic deformation of perfusion sequences ... that temporal dynamics provide rich information for segmentation After performing nonrigid registration, we are able to obtain more accurate perfusion dynamics and hence more accurate myocardial ... limitations of the work and the recommendations of future research are presented in Section § 6.2 § 6.1 Conclusion and Discussion Perfusion MRI and diffusion MRI are important tools for early detection...
- 34
- 334
- 0
Analytical methods for the performance evaluation and improvement of multiple part type manufacturing systems
Ngày tải lên :
09/09/2015, 18:59
... CMT and CD methods for Cases 1, 2, 3, 4, 10, and 11 39 5.1 The three levels of machine setup rate used for Experiment I 95 5.2 Customer service levels and estimation errors for Experiment ... 10 Performance Evaluation of Multiple Part-Type Systems: State of Art 12 2.1 Performance Measurement 2.2 13 Analytical methods for the performance evaluation ... on performance and determine the areas of focus for continuous improvement activities Recently, several industrial application papers have highlighted the advantages of analytical methods for...
- 218
- 351
- 0
Mathematical theory and numerical methods for gross pitaevskii equations and applications
Ngày tải lên :
10/09/2015, 15:54
... proving uniform convergence rates for CNFD and SIFD, independent of the perturbation We overcome the difficulties and obtain uniform error bounds for both CNFD and SIFD, in one, two and three dimensions ... error bounds uniformly in ε, at the order of O(h2 + τ 2/3 ) and O(h2 + τ ) with time step τ and mesh size h for ill-prepared and well-prepared initial data, respectively, for both CNFD and SIFD in ... been very recently performed at Stuttgart University, where a BEC of 52 Cr atoms has been realized in experiment and it allows the experimental investigations of the unique properties of dipolar...
- 222
- 332
- 0
Inexact interior point methods for large scale linear and convex quadratic semidefinite programming
Ngày tải lên :
11/09/2015, 10:02
... interior-point methods to consider algorithms based on classical methods for convex programming, such as proximal-point and augmented Lagrangian methods (For details on non-interior-point based methods for ... inexact interior-point methods is to obtain high performance in numerical experiments However, a naive implementation of the iterative solvers may not lead to better performance The real bottleneck ... interiorpoint methods are efficient and robust in solving covariance selection problems, outperforming many existing algorithms List of Tables 4.1 Comparison of the IIPM and ANS methods in solving...
- 146
- 557
- 0
Signal processing methods for mental fatigue measurement and monitoring using EEG
Ngày tải lên :
14/09/2015, 14:02
... between initial and repeat trials on ve subjects for AWVT performance score and PVT lapses The higher correlation indicates the higher test-retest reliability 92 4.1 Performance comparison ... cross-validation process on the randomly-selected 3,000 samples 162 6.3 Performance comparison between the best-performing method (i.e MFSPP1RFE) and the other methods (F-Score, SVM-OVA-RFE, ... best-performing method MFSPP1-RFE The symbols + and indicate statistically signicant wins or losses over MFSPP1-RFE (P-value < 0.05) 167 6.4 Performance comparison between the best-performing...
- 254
- 507
- 0
Carbon emission allocation methods for aviation sector theory and experimental analysis
Ngày tải lên :
02/10/2015, 12:56
... Benchmark period P value P value summary Period 0.0966 No Period 0.2491 No Period 0.3118 No Period 0.0237 * Period 0.0262 * Period 0.0008 *** Period 0.0019 ** Period 0.0003 *** Period 0.0001 *** Period ... *** Period 11 0.0002 *** Period 12 0.0005 *** Period 13 0.0007 *** Period 14 0.0001 *** Period 15 0.0018 *** Period 16 0.0023 ** Period 17 0.0004 *** Period 18 0.0013 ** Period 19 0.0006 ** Period ... value summary Period 0.8241 No Period 0.5372 No Period 0.0001 *** Period < 0.0001 *** Period 0.0003 *** Period < 0.0001 *** Period < 0.0001 *** Period < 0.0001 *** Period < 0.0001 *** Period 10
- 65
- 887
- 0
RESEARCH ARTICLE Parallel hybrid extragradient methods for pseudomonotone equilibrium problems and nonexpansive mappings
Ngày tải lên :
14/10/2015, 08:21
... authors thank Vu Tien Dzung for performing computation on the LINUX cluster 1350 The research of the second and the third authors was partially supported by Vietnam Institute for Advanced Study in ... Parallel hybrid methods for a finite family of relatively nonexpansive mappings Numer Funct Anal Optim 35(6) (2014), pp 649-664 [3] P.K Anh, D.V Hieu, Parallel and sequential hybrid methods for a finite ... subdifferential of g and NC (x∗ ) is the normal cone of C at x∗ Lemma 2.4 [16] Let X be a uniformly convex Banach space, r be a positive number and Br (0) ⊂ X be a closed ball with center at origin and the...
- 19
- 319
- 0