mainNodal discontinuous Galerkin for space charge - Summary

 
 
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Id: 10929
System Name: spcndg
Name: Nodal discontinuous Galerkin for space charge
Group Type: non-GNU software and documentation

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The space charge dynamics in insulation materials, such as polyethylene, under high DC voltage plays an important role for the dielectric degradation and breakdown. The numerical simulation has become a powerful tool to explain the space charge profile obtained by pulsed electro-acoustic (PEA) apparatus and to unveil the underlying physical mechanisms. The mathematical form of the space charge transport is described by a coupled system of single or multiphase convection-reaction equations, which dependes on the types of carriers existing in the dielectrics, and the Poisson's equation. The former characterizes the carrier conservation law, while the latter describes the quasi static electric field.

By using the discontinuous Galerkin method, space charge concentration and electric field distribution in low density polyethylene (LDPE) can be simulated with a higher accuracy and efficiency.

Registration Date: Sat 07 Jan 2012 03:10:50 AM UTC
License: GNU General Public License v3 or later
Development Status: 2 - Pre-Alpha

 

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Fundamental structure for SPCNDG established
     posted by quantumman, Mon 16 Jan 2012 07:06:02 AM UTC

Based on the simple object oriented programming (OOP) functionality support in Fortran 90, an initial design and implementation of the SPCNDG framework has been established.

The basic idea is to encapsulate related data, such as mesh, solution variables, mathematical and physical constants, program-wide constants, user defined global variables, [...]

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