Results 221 to 230 of about 1,811,075 (266)

Implicit Scheme for Meshless Compressible Euler Solver

Engineering Applications of Computational Fluid Mechanics, 2015
In this paper, an implicit scheme is presented for a meshless compressible Euler solver based on the Least Square Kinetic Upwind Method (LSKUM). The Jameson and Yoon's split flux Jacobians formulation is very popular in finite volume methodology, which leads to a scalar diagonal dominant matrix for an efficient implicit procedure (Jameson & Yoon, 1987).
Singh, Manish K, Ramesh, V, Balakrishnan, N   +2 more
exaly   +4 more sources

The Implicit Euler Scheme for FSDEs With Stochastic Forcing: Existence and Uniqueness of the Solution [PDF]

Mathematics
In this paper, we focus on fractional stochastic differential equations (FSDEs) with a stochastic forcing term, i.e., to FSDE, we add a stochastic forcing term. Using the implicit scheme of Euler’s approximation, the conditions for the existence and uniqueness of the solution of FSDEs with a stochastic forcing term are established.
Kestutis Kubilius
exaly   +4 more sources

Semi-Implicit Euler Schemes for Ordinary Differential Inclusions [PDF]

SIAM Journal on Numerical Analysis, 2014
Two semi-implicit Euler schemes for differential inclusions are proposed and analyzed in depth. An error analysis shows that both semi-implicit schemes inherit favorable stability properties from the differential inclusion. Their performance is considerably better than that of the implicit Euler scheme, because instead of implicit inclusions only ...
Janosch Rieger
exaly   +3 more sources

On the Long-Time Stability of the Implicit Euler Scheme for the Two-Dimensional Navier--Stokes Equations [PDF]

SIAM Journal on Numerical Analysis, 2006
In this paper we study the stability for all positive time of the fully implicit Euler scheme for the two-dimensional Navier--Stokes equations. More precisely, we consider the time discretization scheme and with the aid of the discrete Gronwall lemma and
Djoko Wirosoetisno
exaly   +2 more sources

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Implicit and explicit Euler schemes

2021
The goal is now to discretize in time the space semi-discrete parabolic problem considered in the previous chapter. Since this problem is a system of coupled (linear) ODEs, its time discretization can be done by using one of the numerous time-stepping techniques available from the literature.
Alexandre Ern, Jean-Luc Guermond
openaire   +1 more source

Two-Point Implicit Scheme for Euler Equations

Journal of the Physical Society of Japan, 1983
A new two-point implicit scheme for solving the Euler equations was developed, which is second-order accurate in space and time. This is an extension of the MacCormack implicit scheme, and is taking account of the following points; 1. to solve for the physical quantity itself at a new time-step, not for change of the physical quantity in time, 2.
Shigeru Obayashi, Kunio Kuwahara
exaly   +2 more sources

Implicit conservative schemes for the Euler equations

AIAA Journal, 1986
Summary: A new approach to a characteristic modeling scheme is presented that does not require the governing equations to be written in characteristic variables or the flux terms to be split into positive and negative parts. The method is based on the observation that, for certain finite volume schemes, the upwind influence can be accounted for through
Wornom, Stephen F., Hafez, Mahamed M.
openaire   +1 more source

Implicit kinetic schemes for the Euler equations

International Journal for Numerical Methods in Fluids, 2003
AbstractRecently, the kinetic schemes, namely the kinetic flux‐vector split (KFVS) scheme and kinetic wave/ particle split (KWPS) scheme, for Euler flows have gained wide recognition for their efficiency and robustness. However, to date, all computations performed with these schemes have employed a time‐explicit formulation.
Reksoprodjo, H. S. R., Agarwal, R. K.
openaire   +2 more sources

Dissipativity of the Linearly Implicit Euler Scheme for Navier-Stokes Equations With Delay

Numerical Methods for Partial Differential Equations, 2017
In this article, we study the dissipativity of the linearly implicit Euler scheme for the 2D Navier‐Stokes equations with time delay volume forces (NSD). This scheme can be viewed as an application of the implicit Euler scheme to linearized NSD. Therefore, only a linear system is needed to solve at each time step.
Wansheng Wang
exaly   +3 more sources

Implicit Euler scheme for an abstract evolution inequality

Differential Equations, 2011
For a triple {V, H, V*} of Hilbert spaces, we consider an evolution inclusion of the form u′(t)+A(t)u(t)+δφ{symbol}(t, u(t)) ∋f(t), u(0) = u0, t ∈ (0, T ], where A(t) and φ{symbol}(t, ·), t ∈ [0, T], are a family of nonlinear operators from V to V * and a family of convex lower semicontinuous functionals with common effective domain D(φ{symbol}) ⊂ V ...
Dautov R., Mikheeva A.
openaire   +3 more sources