Journal of Engineering Physics and Thermophysics
is a translation of Inzhenerno-fizicheskii Zhurnal,
a publication of the Academic Scientific Complex
"A. V. Luikov Heat and Mass Transfer Institute"
of the National Academy of Sciences of Belarus
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THE EFFECTIVENESS OF USING ONE VARIANT OF
THE FINITE-ELEMENT METHOD FOR SOLVING NONLINEAR
NONSTATIONARY HEAT-CONDUCTION PROBLEMS
V. A. Dutka
UDC 539.27
It is established that the use of a previously proposed
variant of the finite-element method for solving nonlinear
nonstationary heat-conduction problems is efficient (in the
sense of computer time expenditures) when the half-width of
the band 
of the resulting matrix in the system of linear
algebraic equations does not exceed a certain value of cr.
As a result of a numerical experiment for an axially
symmetric case we obtain cr 
47, which demonstrates the
effectiveness of this variant of the finite-element method
for solving a wide range of practical problems of heat
conduction-theory.
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