discretization

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discretization

[dis‚krēd·ə′zā·shən]
(mathematics)
A procedure in the numerical solution of partial differential equations in which the domain of the independent variable is subdivided into cells or elements and the equations are expressed in discrete form at each point by finite difference, finite volume, or finite element methods.
References in periodicals archive ?
The last two decades have witnessed the successful development of grid-cell discretisations for the computation of characteristic sets of dynamical and control systems (attractors, reachable sets of control systems, etc.
1, the matrices A and B are obtained from the discretisation of the operator [L.
By utilizing extremely fine meshes the resulting discretisation error for the mean Nusselt number is reduced below 0,1 %.
On the other hand, the binary model serves as the base for global discretisation of the structure of particulate composite.
Review of the methods of lattice generation has showed that a structured rectangular lattice is the most appropriate one for the discretisation of airspace.
Numerical experiments showed that developed discretisation scheme is flee of pressure oscillation and volumetric locking for finite volume meshes of arbitrary topology.
Assessing the impact of discretisation assumptions in a length-structured population growth model.
The finite element discretisation along a vertical section of the space frame of 3 bay x 5 bay adopted in this study is shown in Fig.
It implies the discretisation of the studied elements, i.
For continuous attributes, a discretisation method is first used to transform these attributes into categorical ones.