Abstract
In this paper, fluid-structure interaction (FSI) on free surface flows has been simulated using ISPH method. The governing equations are discretized and solved with respect to Lagrangian moving particles filled within the mesh-free computational domain and the pressure was evaluated by solving pressure Poisson equation using a semi-implicit algorithm based on the projection scheme to ensure divergence free velocity field and density invariance conditions. In this study, the structure is taken as a rigid body and it modeled using ISPH method by two different techniques. In the first technique, the solid particles are treated initially as fluid particles and after corrector step in projection method, the solid constraint is applied to get the rigid body motion. In the second technique, we computed the motions of a rigid body by direct integration of fluid pressure at the position of each particle on the body surface. Then, the equations of translational and rotational motions were integrated in time to update the position of the rigid body at each time step. The applicability and efficiency of current ISPH method with the two different treatment of rigid body are tested by comparison with reference experimental results.
| Original language | English |
|---|---|
| Pages (from-to) | 471-484 |
| Number of pages | 14 |
| Journal | International Journal of Fluid Mechanics Research |
| Volume | 41 |
| Issue number | 6 |
| DOIs | |
| Publication status | Published - Jan 1 2014 |
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All Science Journal Classification (ASJC) codes
- Mechanical Engineering
- Physics and Astronomy(all)
Cite this
Incompressible smoothed particle hydrodynamics simulations of fluid-structure interaction on free surface flows. / Aly, Abdelraheem M.; Asai, Mitsuteru.
In: International Journal of Fluid Mechanics Research, Vol. 41, No. 6, 01.01.2014, p. 471-484.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Incompressible smoothed particle hydrodynamics simulations of fluid-structure interaction on free surface flows
AU - Aly, Abdelraheem M.
AU - Asai, Mitsuteru
PY - 2014/1/1
Y1 - 2014/1/1
N2 - In this paper, fluid-structure interaction (FSI) on free surface flows has been simulated using ISPH method. The governing equations are discretized and solved with respect to Lagrangian moving particles filled within the mesh-free computational domain and the pressure was evaluated by solving pressure Poisson equation using a semi-implicit algorithm based on the projection scheme to ensure divergence free velocity field and density invariance conditions. In this study, the structure is taken as a rigid body and it modeled using ISPH method by two different techniques. In the first technique, the solid particles are treated initially as fluid particles and after corrector step in projection method, the solid constraint is applied to get the rigid body motion. In the second technique, we computed the motions of a rigid body by direct integration of fluid pressure at the position of each particle on the body surface. Then, the equations of translational and rotational motions were integrated in time to update the position of the rigid body at each time step. The applicability and efficiency of current ISPH method with the two different treatment of rigid body are tested by comparison with reference experimental results.
AB - In this paper, fluid-structure interaction (FSI) on free surface flows has been simulated using ISPH method. The governing equations are discretized and solved with respect to Lagrangian moving particles filled within the mesh-free computational domain and the pressure was evaluated by solving pressure Poisson equation using a semi-implicit algorithm based on the projection scheme to ensure divergence free velocity field and density invariance conditions. In this study, the structure is taken as a rigid body and it modeled using ISPH method by two different techniques. In the first technique, the solid particles are treated initially as fluid particles and after corrector step in projection method, the solid constraint is applied to get the rigid body motion. In the second technique, we computed the motions of a rigid body by direct integration of fluid pressure at the position of each particle on the body surface. Then, the equations of translational and rotational motions were integrated in time to update the position of the rigid body at each time step. The applicability and efficiency of current ISPH method with the two different treatment of rigid body are tested by comparison with reference experimental results.
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U2 - 10.1615/InterJFluidMechRes.v41.i6.10
DO - 10.1615/InterJFluidMechRes.v41.i6.10
M3 - Article
AN - SCOPUS:84911910446
VL - 41
SP - 471
EP - 484
JO - Fluid Mechanics Research
JF - Fluid Mechanics Research
SN - 1064-2277
IS - 6
ER -