BEM-D |

**Name of contributor**

Alain Clement, ECOLE CENTRALE DE NANTES

**Simulation Method**

BEM ( Linear Element ), Fully nonlinear simulation based on MEL

**Method for ****f**_{t}
computation

Pressure is not computed locally. The time-derivative of the integral of the potential over the body, with the appropriate correction term to account for the change of the wetted surface in time.

**Wave Absorption**

Coupled beach and active piston technique

**Intersection**

Double nodes

**Number of nodes**

6 ~ 25 per wave length, 11 on wedge

**Time integral method**

4th order Runge-Kutta methodDt = T / 50 ( T : Heave period )

**Computer information**@

Computer : DEC Alpha 500 workstation at 330MHzOS : Digital Unix V4.0A

Language : Fortran77

CPU time : 3000 sec

**Reference papers**

- A.Clement (1996) Coupling of Two Absorbing Boundary Conditions for 2D Time-Domain Simulations of Free Surface Gravity Waves, J. Computational Physics, Vol 126, pp.139-151.)
- A. CLEMENT & S. MAS "Hydrodynamic Forces Induced by a Solitary Wave on a Submerged Cylinder." Proc. 5th Int. Offshore and Polar Engineering Conf., ISOPE95, The Hague (June 1995). ISBN 1-880653-19-2. Vol.3. pp.339-347.
- A. CLEMENT (1996) "Dynamic Non-linear Response of OWC Wave Energy Devices" Proc. 6th Int. Offshore and Polar Engineering Conf. ISOPE96 Los Angeles. ISBN 1-880653-32-0. Vol1, pp.91-96
- A.H. CLEMENT (1997) "Dynamic Non-Linear Response of OWC Wave Energy Devices." International Journal of Offshore Polar Engineering, (ISSN 1053-5381),Vol 7-2, pp12-17
- A.H. CLEMENT & L. GIL "Numerical Simulation of Short Wave-Wave Interaction" Proc. 7th Int. Offshore and Polar Engineering Conf. ISOPE97, Honolulu (May 1997), volIII, pp92-97
- G. CHATRY, A.H. CLEMENT, A.J.N.A SARMENTO (1999) "Simulation of a self-adaptively controlled OWC in a nonlinear numerical wave tank". 9th Int. Offshore and Polar Engineering Conf. ISOPE99, Brest.
- A.H. CLEMENT (1999) "The Spinning Dipole: an Efficient Unsymmetrical Numerical Wavemaker" Proc. 14th Int. Workshop Water Waves and Floating Bodies", Port Huron, Michigan. pp.29-32.

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