symmetry of sligtly nonlinear focused wave

Freya · August 24, 2021, 19:04

Hi, REEF3D Team

I simulated a focused wave case which is slightly nonlinear and the water surface profile with the largest water surface elevation over the domain is asymmetric. Also, the most symmetric profile has lower biggest crest. However, in a slightly nolinear case, the most symmetric one should be same the largest one. From the paper of Wave-Structure Interaction of Focussed Waves With REEF3D, Bins. et al (2016) also produced asymmetric profile while the profile from experiment is clearly symmetric.
I have tried to refined the mesh to 0.0005m and it is not improved much.
Why does this problem arise and is it possible to fix it?

Best Wishes,

valgrinda · September 16, 2021, 13:53

Hi Rouxiao Chen,

I think it would be most helpful if you could post figures of your results and your input, then we could have a look.

August 24, 2021, 19:04	symmetry of sligtly nonlinear focused wave	#1
Freya New Member Rouxiao Chen Join Date: Jun 2021 Posts: 13 Rep Power: 4	Hi, REEF3D Team I simulated a focused wave case which is slightly nonlinear and the water surface profile with the largest water surface elevation over the domain is asymmetric. Also, the most symmetric profile has lower biggest crest. However, in a slightly nolinear case, the most symmetric one should be same the largest one. From the paper of Wave-Structure Interaction of Focussed Waves With REEF3D, Bins. et al (2016) also produced asymmetric profile while the profile from experiment is clearly symmetric. I have tried to refined the mesh to 0.0005m and it is not improved much. Why does this problem arise and is it possible to fix it? Best Wishes,

September 16, 2021, 13:53		#2
valgrinda Super Moderator Hans Bihs Join Date: Jun 2009 Location: Trondheim, Norway Posts: 377 Rep Power: 17	Hi Rouxiao Chen, I think it would be most helpful if you could post figures of your results and your input, then we could have a look. __________________ Hans Bihs Team REEF3D www.reef3d.com

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