FESSDE 2.2: A new version of a program for the finite-element solution of the coupled-channel Schrödinger equation using high-order accuracy approximations

A FORTRAN program is presented which solves the Sturm-Liouville problem for a system of coupled second-order differential equations by the finite element method using high-order accuracy approximations. The analytical and tabular forms of giving the coefficients of differential equations are conside...

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Published inComputer physics communications Vol. 115; no. 1; pp. 90 - 92
Main Authors Abrashkevich, A.G., Abrashkevich, D.G., Kaschiev, M.S., Puzynin, I.V.
Format Journal Article
LanguageEnglish
Russian
Published Amsterdam Elsevier B.V 01.12.1998
Elsevier Science
Subjects
Atomic physics
Chemical physics
Eigensolutions
Finite element method
High-order accuracy approximations
Molecular physics
Ordinary differential equations
Schrödinger equation
Sturm-Liouville problem
Finite element method
Atomic physics
Sturm-Liouville problem
Molecular physics
High-order accuracy approximations
Ordinary differential equations
Chemical physics
Eigensolutions
Schrödinger equation
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Summary:A FORTRAN program is presented which solves the Sturm-Liouville problem for a system of coupled second-order differential equations by the finite element method using high-order accuracy approximations. The analytical and tabular forms of giving the coefficients of differential equations are considered. Zero-value (Dirichlet) and zero-gradient (Neumann) boundary conditions are also considered.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0010-4655
1879-2944
DOI:10.1016/S0010-4655(98)00099-X