Application of Topology Optimization Theory toThree-dimensional Design of Deep Orifice Radial Gate

SU Li-gang; WANG Zheng-zhong; WANG Yue; ZHANG Xue-cai; XU Chao

doi:10.11988/ckyyb.20170483

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Journal of Changjiang River Scientific Research Institute ›› 2018, Vol. 35 ›› Issue (10) : 143-147. DOI: 10.11988/ckyyb.20170483

HYDRAULIC STRUCTURE AND MATERIAL

Application of Topology Optimization Theory toThree-dimensional Design of Deep Orifice Radial Gate

SU Li-gang^1,2, WANG Zheng-zhong^1,2, WANG Yue^1,2, ZHANG Xue-cai^1,2, XU Chao^1,2

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Abstract

At present, topology optimization of hydraulic gate all involves two-dimensional rather than spatial scale. In view of this, the simple isotropic material with penalization (SIMP) in continuum topology optimization method is adopted to the three-dimensional topology optimization of a deep orifice radial gate. Moreover, the topology result are simulated by finite element software, and are compared with the V-shaped dual-arm structure commonly used in engineering. The optimum topology design for radial gate arms is a tree structure, with the bearing capacity of the box section built under the requirements of local stability meeting specification standards. Comparison with V-shaped structure demonstrates that the tree structure obtained by topology optimization could reduce the holistic displacement by 15.8% and cut the maximum stress by 15% yet more evenly distributed.

Key words

deep orifice radial gate / three-dimensional topology optimization / SIMP / finite element analysis / tree structure

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SU Li-gang, WANG Zheng-zhong, WANG Yue, ZHANG Xue-cai, XU Chao. Application of Topology Optimization Theory toThree-dimensional Design of Deep Orifice Radial Gate[J]. Journal of Changjiang River Scientific Research Institute. 2018, 35(10): 143-147 https://doi.org/10.11988/ckyyb.20170483

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