Solving Poisson's equation with Dirichlet boundary condition using Henstock-Kurzweil integral

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dc.contributor.authorMaldeniya, M.K.A.J.
dc.contributor.authorGanegoda, N.C.
dc.contributor.authorBoralugoda, S.K.
dc.contributor.authorKumara, K.K.W.A.S.
dc.contributor.authorde Silva, K.
dc.date.accessioned2021-01-07T07:28:42Z
dc.date.available2021-01-07T07:28:42Z
dc.date.issued2018
dc.description.abstractThe Poisson's equation is an elliptic type second order partial differential equation, which has several applications in theoretical physics, chemistry and engineering. There are a few approaches to solve the Poisson's equation such as the Green's function, Dirichlet's principle, layer potentials, L2 estimates, energy methods, etc. However, in most cases it is difficult to find an analytical solution. HK-integration has more powerful results such as: convergence theorem, Fundamental theorem of calculus with full generality, integration over unbounded region, integral containing parameters, etc. It would be a good idea to find an analytical solution to Poisson's equation with Dirichlet boundary condition for general setting with more advanced integral like Henstock—Kurzweil integral (HK-integral). We use the Green's function to obtain a general representation formula for the solution of the Poisson's equation. For this, Green's function G needs to exist. Moreover, it is difficult to calculate an explicit formula for G. Thus, we need a new technique or method to evaluate. So we use HK.-integration to find G and a representation formula for the solution. HKintegration is very simple to describe as the Riemann integral, which possesses all the advantages of the Lebesgue integral and even more. Moreover, any Riemann or Lebesgue integrable function is HK-integrable. Therefore, the set of all HKintegrable functions is larger than those of the set of other integrals. So, using HKintegral, one can find an analytical solution to the Poisson's equation with Dirichlet boundary condition, where the case Riemann or Lebesgue integration does not work. Keywords: Poisson's equation, Dirichlet boundary condition, Henstock-Kurzweil integral Green's functionen_US
dc.identifier.isbn9789550481194
dc.identifier.urihttp://www.erepo.lib.uwu.ac.lk/bitstream/handle/123456789/5559/436-2018-Solving%20Poisson%27s%20equation%20with%20Dirichlet%20boundary%20condition%20using%20.pdf?sequence=1&isAllowed=y
dc.language.isoenen_US
dc.publisherUva Wellassa University of Sri Lankaen_US
dc.relation.ispartofseries;2nd International Research Conference
dc.subjectMathematicsen_US
dc.subjectStatisticsen_US
dc.titleSolving Poisson's equation with Dirichlet boundary condition using Henstock-Kurzweil integralen_US
dc.title.alternativeInternational Research Conference 2018en_US
dc.typeOtheren_US
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