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Symbolic-Numerical Algorithms for Solving the Parametric Self-adjoint 2D Elliptic Boundary-Value Problem Using High-Accuracy Finite Element Method

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Computer Algebra in Scientific Computing (CASC 2017)

Part of the book series: Lecture Notes in Computer Science ((LNTCS,volume 10490))

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Abstract

We propose new symbolic-numerical algorithms implemented in Maple-Fortran environment for solving the parametric self-adjoint elliptic boundary-value problem (BVP) in a 2D finite domain, using high-accuracy finite element method (FEM) with triangular elements and high-order fully symmetric Gaussian quadratures with positive weights, and no points are outside the triangle (PI type). The algorithms and the programs calculate with the given accuracy the eigenvalues, the surface eigenfunctions and their first derivatives with respect to the parameter of the BVP for parametric self-adjoint elliptic differential equation with the Dirichlet and/or Neumann type boundary conditions on the 2D finite domain, and the potential matrix elements, expressed as integrals of the products of surface eigenfunctions and/or their first derivatives with respect to the parameter. We demonstrated an efficiency of algorithms and program by benchmark calculations of helium atom ground state.

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Authors and Affiliations

  1. Joint Institute for Nuclear Research, Dubna, Russia

    A. A. Gusev, V. P. Gerdt, O. Chuluunbaatar, G. Chuluunbaatar & S. I. Vinitsky

  2. RUDN University, 6 Miklukho-Maklaya St., Moscow, 117198, Russia

    V. P. Gerdt, G. Chuluunbaatar & S. I. Vinitsky

  3. Institute of Mathematics, National University of Mongolia, Ulaanbaatar, Mongolia

    O. Chuluunbaatar

  4. N.G. Chernyshevsky Saratov National Research State University, Saratov, Russia

    V. L. Derbov

  5. Institute of Physics, University of Maria Curie-Skłodowska, Lublin, Poland

    A. Góźdź

Authors
  1. A. A. Gusev
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  2. V. P. Gerdt
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  3. O. Chuluunbaatar
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  4. G. Chuluunbaatar
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  5. S. I. Vinitsky
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  6. V. L. Derbov
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  7. A. Góźdź
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Corresponding author

Correspondence to S. I. Vinitsky .

Editor information

Editors and Affiliations

  1. Joint Institute of Nuclear Research, Dubna, Russia

    Vladimir P. Gerdt

  2. Universität Kassel, Kassel, Germany

    Wolfram Koepf

  3. Universität Kassel, Kassel, Germany

    Werner M. Seiler

  4. Russian Academy of Sciences, Novosibirsk, Russia

    Evgenii V. Vorozhtsov

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Gusev, A.A. et al. (2017). Symbolic-Numerical Algorithms for Solving the Parametric Self-adjoint 2D Elliptic Boundary-Value Problem Using High-Accuracy Finite Element Method. In: Gerdt, V., Koepf, W., Seiler, W., Vorozhtsov, E. (eds) Computer Algebra in Scientific Computing. CASC 2017. Lecture Notes in Computer Science(), vol 10490. Springer, Cham. https://doi.org/10.1007/978-3-319-66320-3_12

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  • DOI: https://doi.org/10.1007/978-3-319-66320-3_12

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-66319-7

  • Online ISBN: 978-3-319-66320-3

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