Fourth-Order Accurate IDO Scheme Using Gradient-Staggered Interpolation
نویسندگان
چکیده
منابع مشابه
A Non-dissipative Staggered Fourth-order Accurate Explicit Finite Difference Scheme for the Time-domain Maxwell’s Equations
We consider a divergence-free non-dissipative fourth-order explicit staggered nite di erence scheme for the hyperbolic Maxwell's equations. Special one-sided di erence operators are derived in order to implement the scheme near metal boundaries and dielectric interfaces. Numerical results show the scheme is long-time stable, and is fourth-order convergent over complex domains that include diele...
متن کاملOptimal fourth-order staggered-grid finite-difference scheme for 3D frequency-domain viscoelastic wave modeling
Article history: Received 5 November 2015 Received in revised form 24 May 2016 Accepted 12 June 2016 Available online 17 June 2016
متن کاملA Fourth Order Accurate Finite Difference Scheme for the Elastic Wave Equation in Second Order Formulation
We present a fourth order accurate finite difference method for the elastic wave equation in second order formulation, where the fourth order accuracy holds in both space and time. The key ingredient of the method is a boundary modified fourth order accurate discretization of the second derivative with variable coefficient, (μ(x)ux)x. This discretization satisfies a summation by parts identity ...
متن کاملK-Optimal Gradient Encoding Scheme for Fourth-Order Tensor-Based Diffusion Profile Imaging
The design of an optimal gradient encoding scheme (GES) is a fundamental problem in diffusion MRI. It is well studied for the case of second-order tensor imaging (Gaussian diffusion). However, it has not been investigated for the wide range of non-Gaussian diffusion models. The optimal GES is the one that minimizes the variance of the estimated parameters. Such a GES can be realized by minimizi...
متن کاملnumerical solution of incompressible boussinesq equations using fourth-order compact scheme: lock exchange flow
in recent years, the number of research works devoted to applying the highly accurate numerical schemes, in particular compact finite difference schemes, to numerical simulation of complex flow fields with multi-scale structures, is increasing. the use of compact finite-difference schemes are the simple and powerful ways to reach the objectives of high accuracy and low computational cost. compa...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: JSME International Journal Series B
سال: 2004
ISSN: 1340-8054,1347-5371
DOI: 10.1299/jsmeb.47.681