Abstract:

The medial axis pattem is not only the original geometric characteristic of plant leaf but also the major structural element that enables the plant leaf to stand the self-weight and the environmental stress. In order to reveal the theory of mechanics reinforcement of the plant leaf by the topological form , some copper veins were fabricated according to the data from the coordinates of dicotyledon. The deformations of the vein loaded with different forces
at different points were then experimentally investigated and numerically simulated. The results indicate that the de-formations of the vein follow the superposition principle , and that the simulated deformation and deformation ten-dency accord with the experimental ones , thus verifying the correctness of the test method adopted in this paper.

Key words: medial axis pattem, mechanics self-adaptability, mechanism, experimental investigation, numerical simulation