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Developments of numerical methods for linear and nonlinear fluid-solid interaction dynamics with applications 认领 引用 被引量：14
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作者 Jing Tang XING 《力学进展》 EI CSCD 北大核心 2016年第1期95-139,共45页
This paper presents a review on some developments of numerical methods for linear and nonlinear fluid-solid interaction （FSI） problems with their applications in engineering. The discussion covers the four types of ... This paper presents a review on some developments of numerical methods for linear and nonlinear fluid-solid interaction （FSI） problems with their applications in engineering. The discussion covers the four types of numerical methods： （1） mixed finite element （FE）-substructure-subdomain model to deal with linear FSI in a finite domain, such as sloshing, acoustic-structure interac- tions, pressure waves in fluids, earthquake responses of chemical vessels, dam-water couplings, etc.; （2） mixed FE-boundary element （BE） model to solve linear FSI with infinite domains, for example, very large floating structure （VLFS） subject to airplane landing impacts, ship dynamic response caused by cannon/missile fire im- pacts, etc.; （3） mixed FE-finite difference （FD）/volume （FV） model for nonlinear FSI problems with no separations between fluids and solids and breaking waves; （4） mixed FE-smooth particle （SP） method to simulate nonlinear FSI problems with F-S separations as well as breaking waves. Based on available fluid and solid codes, the partitioned iteration approach is suggested to separately solve their gov-erning equations in a time step, and then through reaching its convergence in coupling iteration to forward until the problem solved. The selected application examples include air-liquid-shell three phases interactions, liquefield natural gas （LNG） ship-water sloshing; acoustic analysis of air-building interaction system excited by human foot impacts; transient dynamic response of an airplane-VLFS- water interaction system excited by airplane landing impacts; turbulence flow- body interactions; structure dropping down on the water surface with breaking waves, etc. The numerical results are compared with the available experiment or numerical data to demonstrate the accuracy of the discussed approaches and their values for engineering applications. Based on FSI analysis, linear and nonlinear wave energy harvesting devices are listed to use the resonance in a linear system and the periodical solution in a nonlinear system, such as flutter, to effectively harvest wave energy. There are 231 references in the paper, which provides useful resources for readers to further investigate their interesting approaches. 展开更多
关键词 linear and nonlinear fluid-solid interactions mixed FE-substructuremethod mixed FE-BE method mixed FE-FD method mixed FE-SP method fluidsloshing acoustic volume—structure coupling breaking wave simulations pressurewaves in fluids LNG ship VLFS-water interaction wave energy harvesting
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