Pick-up locations are obtained on two-dimensional limp parts that minimize a measure of deformation (strain energy). The parts are modeled as shells undergoing arbitrarily large deformations and rotations by a geometrically exact nonlinear shell finite element formulation. The strain energy is computed from the finite element solution for deforma tion, and the optimal locations are obtained by solving a bound constrained optimization problem. Results are given for various two-dimensional shapes.
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References
1.
Lankalapalli, S., and Eischen, J.W., Optimal Pick-up Locations for Transport and Handling of Limp Materials, Part I: One-Dimensional Strips, Textile Res. J.73, 787-796 (2003).
