CAO-shape Optimisation Of A Fillet With A Complex, Time Dependent Loading
Author(s)
M. Ledermann, I. Tesari & C. Mattheck
Abstract
CAO-shape optimisation of a fillet with a
complex, time dependent loading
M. Ledermann, I. Tesari & C. Mattheck
Insitutefor Materials Research II
Forschungszentrum Karlsruhe, Germany
Abstract
Shape optimisation of highly loaded technical components often means to avoid
stress concentration in notches like shoulders, fillets etc. This can be achieved by
using the computer program CAO (Computer Aided Optimization), that has
been developed at Forschungszentrum Karlsruhe. The basic design rule of CAO
is the axiom of uniform stress which is adopted from biological load carriers.
They use adaptive growth to minimise stress concentrations on their surface.
Analogical technical structures "grow" by CAO at zones with stress
concentrations. This growth and with it the optimised design is depending on the
stress distribution caused by the loading conditions. Thus one load case leads to
one optimised design, but for a time dependent load case only a time dependent
design could be
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