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StrucOpt manuscript No. (will be inserted by the editor)

Summary: StrucOpt manuscript No.
(will be inserted by the editor)
Enumeration of Optimal Pin-Jointed Bistable Compliant
Mechanisms with Non-Crossing Members
M. Ohsaki, N. Katoh, T. Kinoshita, S. Tanigawa, D. Avis and I. Streinu
Abstract An optimization approach is presented for enu-
merating pin-jointed bistable compliant mechanisms. In
the first stage, the statically determinate trusses with
non-crossing members containing a given set of nodes
and some pre-defined members are regarded as mini-
mally rigid framework or a Laman framework, and are
enumerated without repetitions by the graph enumer-
ation algorithm. In the second stage, the nodal loca-
tions and the cross-sectional areas are optimized under
mechanical constraints, where the snapthrough behavior
is extensively utilized to produce a pin-jointed bistable
compliant mechanism. In the numerical examples, many
bistable compliant mechanisms are generated to show
the effectiveness of the proposed method.
Key words Bistable structure, Compliant mechanism,


Source: Avis, David - School of Computer Science, McGill University


Collections: Computer Technologies and Information Sciences