Sentence examples for a stiff system of from inspiring English sources
The numerical applications include the linear wave equation, a stiff system of reaction diffusion equations and the nonlinear Euler equations with oscillatory initial conditions.
Although when dealing with a stiff system of ODEs the new algorithm is shown to provide equal accuracy with that delivered by LSODE at the cost of higher execution time, the results indicate that its performance could be superior when facing a stiff system of PDEs.
The solution is by the method of lines, whereby finite difference discretization in the spatial variable yields a stiff system of ordinary differential equations (ODEs), and the ODE initial value problem is solved with a modern general-purpose ODE solver.
In particular, it may lead to a stiff system of differential equations and several other problems.
The model obtained from basic thermodynamical equations has the main disadvantage of being a stiff system.
L=128, left: Map of log10[ V x,y)] for a stiff system.
The discrete model is a non-linear, large, sparse and stiff system of coupled differential equations.
A free radical polymerization kinetic mechanism is superimposed into the framework to describe the molecular and morphological polymer properties.The complexity of the kinetic mechanism due to the associated infinite dimensional population balance model (large stiff system of ODEs) is reduced by applying a continues variable approximation scheme over the discrete chain length domain.
One of the important steps in this project is the study of explicit and implicit time integration schemes for the stiff system of ordinary differential equations, as well as implementations of these schemes on HPC systems.
The resulting stiff system of partial differential equations for ice velocity is either solved implicitly at great computational cost, or explicitly with added pseudo-elasticity (elastic viscous plastic, EVP).
The proposed algorithms are shown to provide significant speedups in simulations of stiff systems of chemical reactions with a trade-off in accuracy as controlled by a regulating parameter.
