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GE Liang, TIAN Zhengdong, YUAN Lihao. 气垫船碰撞冲击动力学响应三维数值模拟[J]. Chinese Journal of Ship Research, 2015, 10(3): 57-62. DOI: 10.3969/j.issn.1673-3185.2015.03.010
Citation:
GE Liang, TIAN Zhengdong, YUAN Lihao. 气垫船碰撞冲击动力学响应三维数值模拟[J]. Chinese Journal of Ship Research, 2015, 10(3): 57-62. DOI: 10.3969/j.issn.1673-3185.2015.03.010
GE Liang, TIAN Zhengdong, YUAN Lihao. 气垫船碰撞冲击动力学响应三维数值模拟[J]. Chinese Journal of Ship Research, 2015, 10(3): 57-62. DOI: 10.3969/j.issn.1673-3185.2015.03.010
Citation:
GE Liang, TIAN Zhengdong, YUAN Lihao. 气垫船碰撞冲击动力学响应三维数值模拟[J]. Chinese Journal of Ship Research, 2015, 10(3): 57-62. DOI: 10.3969/j.issn.1673-3185.2015.03.010
气垫船碰撞冲击动力学响应三维数值模拟
GE Liang
,
TIAN Zhengdong
,
YUAN Lihao
Graphical Abstract
Graphical Abstract
Abstract
Abstract
基于有限元法建立气垫船碰撞数值模型,选取适合于气垫船碰撞的主从面接触算法,模拟气垫船在进、出坞时与舱口栏杆及舱壁碰撞的整个过程。由于气垫船质量与母舰相比极小,因此忽略其对母舰运动的影响,将舱壁及舱口围壁简化为刚性结构。在此基础上,分析气垫船与刚性平面及刚性曲面碰撞过程中的变形损伤、重心位移、重心速度及碰撞力的大小。分析结果表明,气垫船的碰撞过程分为弹性和塑性2个阶段,在塑性阶段产生的损伤具有局部性,且气垫船与曲面碰撞时更易产生横向摆动。
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