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華中科技大學學報(自然科學版) 2020, Vol. 48 Issue (12): 78-82 DOI10.13245/j.hust.201214

欄目:船舶工程
基于SPH-FEM方法的新型抗冰結構動響應研究
夏勁松 , 劉俊杰 , 董海波
中國船舶科學研究中心,江蘇 無錫 214082
摘要 根據艦船原型結構板架模型,提出了新型抗冰結構板架模型,采用凍結冰模擬冰體,對兩種板架結構在相同冰體撞擊下的結構動響應開展模型試驗,并建立相應的光滑粒子流體動力學-有限元法(SPH-FEM)數值模型.通過對試驗結果和數值仿真結果的對比分析,驗證了提出的新型抗冰結構型式的抗冰效果,相同工況下結構最大變形數值計算結果與模型試驗結果的最大偏差為8.65%,冰體最大撞擊力數值計算結果與模型試驗結果的最大偏差為5.11%,表明SPH-FEM數值仿真方法具有良好的工程適用性.
關鍵詞 抗冰結構 ;模型試驗 ;數值仿真 ;結構響應 ;抗冰效果
Dynamic response of new anti-ice structures based on SPH-FEM
XIA Jinsong , LIU Junjie , DONG Haibo
China Ship Scientific Research Center,Wuxi 214082,Jiangsu China
Abstract According to the ship’s prototype structural slab model,a new ice-resistant structural slab model was proposed.The frozen ice was used to simulate the ice body.The model test was carried out on the dynamic response of two slab structures under the impact of the same ice body,and the corresponding smooth particle hydrodynamics-finite element method (SPH-FEM) numerical model was established.Through the comparative analysis of test results and numerical results,the anti-ice effect of the newly proposed type of ice-resistant structure was verified,under the same working conditions,the maximum deviation between the numerical calculation result of the maximum deformation of the structure and the model test result is 8.65%,and the maximum deviation between the numerical calculation result of the maximum ice impact force and the model test result is 5.11%,indicating that the engineering applicability of SPH-FEM numerical simulation method was verified.
Keywords anti-ice structure ; model test ; numerical simulation ; structural response ; anti-ice effect
基金資助裝備預研船舶重工聯合基金資助項目(61411304010102)

中圖分類號U661.43
文獻標志碼A
文章編號1671-4512(2020)12-0078-05
參考文獻
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文獻來源
夏勁松, 劉俊杰, 董海波. 基于SPH-FEM方法的新型抗冰結構動響應研究[J]. 華中科技大學學報(自然科學版), 2020, 48(12): 78-82
DOI:10.13245/j.hust.201214
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