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基于GPU并行的锥体导管架平台结构冰激振动DEM-FEM耦合分析

王帅霖 刘社文 季顺迎

王帅霖, 刘社文, 季顺迎. 基于GPU并行的锥体导管架平台结构冰激振动DEM-FEM耦合分析[J]. 工程力学, 2019, 36(10): 28-39. doi: 10.6052/j.issn.1000-4750.2018.10.0560
引用本文: 王帅霖, 刘社文, 季顺迎. 基于GPU并行的锥体导管架平台结构冰激振动DEM-FEM耦合分析[J]. 工程力学, 2019, 36(10): 28-39. doi: 10.6052/j.issn.1000-4750.2018.10.0560
WANG Shuai-lin, LIU She-wen, JI Shun-ying. COUPLED DISCRETE-FINITE ELEMENT ANALYSIS FOR ICE-INDUCED VIBRATION OF CONICAL JACKET PLATFORM BASED ON GPU-BASED PARALLEL ALGORITHM[J]. Engineering Mechanics, 2019, 36(10): 28-39. doi: 10.6052/j.issn.1000-4750.2018.10.0560
Citation: WANG Shuai-lin, LIU She-wen, JI Shun-ying. COUPLED DISCRETE-FINITE ELEMENT ANALYSIS FOR ICE-INDUCED VIBRATION OF CONICAL JACKET PLATFORM BASED ON GPU-BASED PARALLEL ALGORITHM[J]. Engineering Mechanics, 2019, 36(10): 28-39. doi: 10.6052/j.issn.1000-4750.2018.10.0560

基于GPU并行的锥体导管架平台结构冰激振动DEM-FEM耦合分析

doi: 10.6052/j.issn.1000-4750.2018.10.0560
基金项目: 国家重点研发计划项目(2016YCF1401505,2016YFC1402706);国家自然科学基金项目(41576179,51639004)
详细信息
    作者简介:

    王帅霖(1990-),男,辽宁人,博士生,从事寒区海洋结构冰激响应研究(E-mail:dlut_wsl@sina.com);刘社文(1966-),男,湖北人,教授,博士,博导,主要从事极地海洋工程研究(E-mail:liushewen@dlmu.edu.cn).

    通讯作者: 季顺迎(1972-),男,河北人,教授,博士,博导,主要从事计算颗粒力学及工程应用研究(E-mail:jisy@dlut.edu.cn).
  • 中图分类号: O343.3;P751

COUPLED DISCRETE-FINITE ELEMENT ANALYSIS FOR ICE-INDUCED VIBRATION OF CONICAL JACKET PLATFORM BASED ON GPU-BASED PARALLEL ALGORITHM

  • 摘要: 该文为分析海冰与锥体海洋平台的相互作用,采用离散元(DEM)-有限元(FEM)耦合方法建立冰激海洋平台结构的耦合模型。通过具有粘结-破碎性能的球体离散单元对海冰的漂移及破碎现象进行计算,海洋平台锥体部分采用平板型壳单元构造,其整体构架及锥体内部的加劲肋采用梁单元构造,即建立壳单元与梁单元组合的锥体海洋平台有限元模型。为提高DEM-FEM耦合算法的计算规模和效率,发展了离散单元与平板型壳单元接触算法及GPU并行环境下参数传递算法。基于此耦合模型分别讨论了平台结构的冰载荷、冰激振动以及锥体应力分布,并与相关实测数据进行对比,为寒区锥体海洋平台的结构设计提供有益的参考。
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  • 收稿日期:  2018-10-19
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  • 刊出日期:  2019-10-25

基于GPU并行的锥体导管架平台结构冰激振动DEM-FEM耦合分析

doi: 10.6052/j.issn.1000-4750.2018.10.0560
    基金项目:  国家重点研发计划项目(2016YCF1401505,2016YFC1402706);国家自然科学基金项目(41576179,51639004)
    作者简介:

    王帅霖(1990-),男,辽宁人,博士生,从事寒区海洋结构冰激响应研究(E-mail:dlut_wsl@sina.com);刘社文(1966-),男,湖北人,教授,博士,博导,主要从事极地海洋工程研究(E-mail:liushewen@dlmu.edu.cn).

    通讯作者: 季顺迎(1972-),男,河北人,教授,博士,博导,主要从事计算颗粒力学及工程应用研究(E-mail:jisy@dlut.edu.cn).
  • 中图分类号: O343.3;P751

摘要: 该文为分析海冰与锥体海洋平台的相互作用,采用离散元(DEM)-有限元(FEM)耦合方法建立冰激海洋平台结构的耦合模型。通过具有粘结-破碎性能的球体离散单元对海冰的漂移及破碎现象进行计算,海洋平台锥体部分采用平板型壳单元构造,其整体构架及锥体内部的加劲肋采用梁单元构造,即建立壳单元与梁单元组合的锥体海洋平台有限元模型。为提高DEM-FEM耦合算法的计算规模和效率,发展了离散单元与平板型壳单元接触算法及GPU并行环境下参数传递算法。基于此耦合模型分别讨论了平台结构的冰载荷、冰激振动以及锥体应力分布,并与相关实测数据进行对比,为寒区锥体海洋平台的结构设计提供有益的参考。

English Abstract

王帅霖, 刘社文, 季顺迎. 基于GPU并行的锥体导管架平台结构冰激振动DEM-FEM耦合分析[J]. 工程力学, 2019, 36(10): 28-39. doi: 10.6052/j.issn.1000-4750.2018.10.0560
引用本文: 王帅霖, 刘社文, 季顺迎. 基于GPU并行的锥体导管架平台结构冰激振动DEM-FEM耦合分析[J]. 工程力学, 2019, 36(10): 28-39. doi: 10.6052/j.issn.1000-4750.2018.10.0560
WANG Shuai-lin, LIU She-wen, JI Shun-ying. COUPLED DISCRETE-FINITE ELEMENT ANALYSIS FOR ICE-INDUCED VIBRATION OF CONICAL JACKET PLATFORM BASED ON GPU-BASED PARALLEL ALGORITHM[J]. Engineering Mechanics, 2019, 36(10): 28-39. doi: 10.6052/j.issn.1000-4750.2018.10.0560
Citation: WANG Shuai-lin, LIU She-wen, JI Shun-ying. COUPLED DISCRETE-FINITE ELEMENT ANALYSIS FOR ICE-INDUCED VIBRATION OF CONICAL JACKET PLATFORM BASED ON GPU-BASED PARALLEL ALGORITHM[J]. Engineering Mechanics, 2019, 36(10): 28-39. doi: 10.6052/j.issn.1000-4750.2018.10.0560
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