POT4A
swMATH ID:  1206 
Software Authors:  S.J. Beard, R.W. Hockney 
Description:  POT4A: a program for the direct solution of Poisson’s equation in complex geometries. The program solves Poisson’s equation in a rectangular region. Electrodes and dielectric interfaces can be included anywhere in the region. An electrode is defined as a line segment along which the potential is held at a given value. A dielectric interface is defined as a line across which the normal component of the electric displacement is held constant. The boundary conditions on the edge of the rectangle can be given value, zero normal gradient or periodic in the xdirection. In the ydirection, in addition to these conditions, a mixed boundary condition of the form aφ+b∂φ ∂y=c(x) and an open boundary condition, where ∂φ ∂y→0 as y→∞ are included. The program was developed to solve problems in electrostatics but can also be applied in other fields 
Homepage:  http://cpc.cs.qub.ac.uk/summaries/ACDB_v1_0.html 
Programming Languages:  Fortran. 
Operating Systems:  OSMVT. 
Keywords:  General purpose; Differential equation; Poisson’s equation; Direct methods; Analysis fourier; Cyclic reduction; Irregular regions; Twodimensional; Isolated system; Electrodes; Dielectric interfaces; Capacity matrix; Electromagnetic. 
Related Software:  
Cited in:  9 Publications 
Standard Articles
1 Publication describing the Software, including 1 Publication in zbMATH  Year 

POT4A  A program for the direct solution of Poisson’s equation in complex geometries. Zbl 0578.65106 Beard, S. J.; Hockney, R. W. 
1985

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Cited by 16 Authors
Cited in 5 Serials
3  Nuclear Physics. B 
2  Computer Physics Communications 
1  Journal of Computational Physics 
1  Annals of Physics 
1  International Journal of Computer Mathematics 
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