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Author(s): G.A.L van de Vorst
Abstract:
solution for the simulation of
axisymmetric viscous sintering
G.A.L van de Vorst
Department of Mathematics, University of
Technology, PO Box 513, 5600 MB Eindhoven
The Netherlands
ABSTRACT
In this paper we describe a numerical method to simulate particular axisym-
metric viscous sintering problems.
In these problems the material transport
is modelled as a viscous incompressible Newtonian volume flow driven solely
by surface tension.
The numerical simulation is carried out by solving the
governing Stokes equations for a fixed domain through a Boundary Element
Method (BEM).
The resulting velocity field then determines an approximate
geometry at a next time level by employing a variable step, variable order
Backward Differences Formulae (BDF) method.
This numerical algorithm
is demonstrated for the sintering of two equal spheres.
INTRODUCTION
By sintering is meant the process of bringing a granular compact to a tem-
perature at which the viscosit...
Pages: 8
Size: 870 kb
Paper DOI: 10.2495/MB930141
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