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青年学术论坛第九十九讲
2018-04-23 09:59   审核人:

应航空学院“飞行器复杂流动与控制学科创新引智基地”邀请,英国南安普顿大学邢景棠教授做客第九十九讲,将于4月26日上午在航空楼A706作学术报告,欢迎参加报告会。

报告人:邢景棠教授

主持人:张伟伟教授

时间:2018年4月26日 上午9:00-11:00

地点:航空楼A706

题目:DEVELOPMENTS OF NUMERICAL METHODS FOR LINEAR AND NONLINEAR FLUID-STRUCTURE INTERACTIONS WITH APPLICATIONS

摘要:This presentation gives some developments of numerical methods for linear and nonlinear fluid-structure interactions (FSI) with their applications in engineering. The discussions cover the four numerical models: 1) mixed finite element (FE)-substructure-subdomain approach to deal with linear incompressible/compressible FSI involving sloshing / acoustic / explosion waves in fluids; 2) mixed FE-boundary element (BE) model to solve linear water-structure interactions with infinite fluid domain; 3) mixed FE-finite difference (FD) model for nonlinear FSI problems but no separations between fluids and solids; 4) mixed FE-smooth particle method (SPM) to simulate nonlinear FSI problems with f-s separations as well as breaking waves. The partitioned approach is suggested in base of available fluid and solid codes to separately solve the governing equations of fluid and solid and then to forward step by step through iteration until reached convergence. The selected application examples include air-liquid-shell interactions, LNG ship-water sloshing dynamics; acoustic simulation of air-building interaction system excited by human foot impacts; aircraft landing impacts on water-VLFS interaction system; turbulence flow-body interactions; breaking wave simulations for structure-fluid interactions, etc. The numerical results are compared with the experiment results or numerical data provided by the publications to demonstrate the discussion approaches.

邢景棠教授简介:

邢景棠教授,1944年生,南安普顿大学Emeritus教授,硕士,博士,博士导师。中国外专局高端外专,应用力学专家。英国数学及应用研究院院士(1998);美国纽约科学院院士(1998);美国ASMEPVDP流固耦合专业委员会官方委(2007);ASME会员(2006);国际声音与振动研究院会员(2003);中国力学学会、航空学会、振动工程学会会员(1985)。

邢教授是一名国际上知名的应用力学专家。他在流固耦合动力学、动力学的变分原理及应用、振动系统的能流分析、复杂耦合系统动力学及振动控制等领域做出了世界认可的重要贡献。

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