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A Fluid-Structure Interaction Research based on Smoothed Particle Hydrodynamics and Structural Finite Element Method

机译:一种基于平滑粒子流体动力学和结构有限元法的流体结构相互作用研究

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In this research, two Fluid-Structure Interaction model are established based on SPH-Shell element and SPH-Beam element models. The feasibility of both numerical models are validated by the elastic gate test. Due to the robust structureanalysis capability of Abaqus, the proposed SPH-Shell element has the potential to solve not only the hydro-elastic but also the hydro-plastic problem which will be demonstrated in the future’s work. On the other hand, the simplified SPH-Beam element model shows a good feasibility to solve the hydro-elastic problem with higher calculation efficiency compared with the SPH-Shell element model. As regards to the limitation on the dimension of floating hull in SPH-Beam element model, the artificial pressure probe technique utilized in SPH-Shell element can be a possible solution and this should be discussed in the future’s research as well.
机译:在该研究中,基于SPH壳元件和SPH梁元件模型建立了两个流体结构相互作用模型。弹性栅极测试验证了两种数值模型的可行性。由于ABAQUS的稳健结构性能力,所提出的SPH - 壳元件不仅有可能在未来的工作中证明的水力弹性,而且是水力 - 塑性问题。另一方面,简化的SPH梁元件模型显示出较好的可行性,以解决与SPH壳元素模型相比具有更高的计算效率的水力弹性问题。关于SPH梁元件模型中浮壳尺寸的限制,SPH - 壳元件中使用的人工压力探针技术可以是可能的解决方案,这应该在未来的研究中讨论。

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