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TUPYP052 |
An Application of Plant Ramification Structures to the Biomimetic Design of Girders for the Synchrotron Radiation Accelerator Storage Ring | |
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Funding: Sino-French Institute of Nuclear Engineering and Technology, Sun Yat-sen University, 519082 Zhuhai, China Institute of Advanced Science Facilities, 518107 Shenzhen, China In order to ensure the high stability and avoid the ground vibration amplification, it is necessary to improve the 1st eigenfrequency of the Magnet-Girder Assembly in the 4th Generation Light Source storage ring. At present, it is mainly parameters such as thickness, spacing, and height of girders are adjusted"*". In the natural world, plants have evolved highly ingenious support structures after billions of years of experimentation with load-bearing topological structures. By observing the growth process of plant ramifications, a simple and direct topology method is proposed. An algorithm based on MATLAB and APDL is used to iteratively optimize the mass configuration of the stiffeners, resulting in a novel bio-inspired girder. It introduces a growth and branching model, where growth and branching are vigorous in high-stress areas and slow down or even atrophy in low-stress areas. In this paper, we will investigate the effect of volume increase rates, branching thresholds, and other parameters, including the position and quantity of stiffener sprouting points, the growing process, support conditions, and the shape of the girder, on stiffener growth and the 1st eigenfrequency. "*"Andresen S. Impact of Different Components and Boundary Conditions on the Eigenfrequencies of a Magnet¿Girder Assembly[J/OL]. Instruments, 2021, 5(3): 29. |
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