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1 ph CFD analysis of solar panel array using translational Periodicity in Fluent

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Old   April 4, 2020, 15:17
Smile 1 ph CFD analysis of solar panel array using translational Periodicity in Fluent
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Siddhant Agarwal
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Hello Everyone,

I am new to this forum as a registered member but I have found answers to many of my past cfd problems in this forum.

Problem:
I am currently trying to analyse an array of solar panels to calculate the drag and lift forces. The array has 100 x 100 solar panels, with each solar panel's dimension as 2000mm x 1000mm x 40mm. The panels are mounted in a landscape format with 5 deg tilt from the ground facing south. Solar panels have zero ground clearance. As the array is very big, it is very difficult to mesh the whole domain.

Question:
1. Is it possible to create a mesh for only one solar panel and then create the 100 x 100 array using the translational periodic feature in fluent?
2. The subsequent rows of solar panels will experience sheltering from the row in front leading to a lower wind load. Will the sheltering effect be captured by the periodic mesh?

Looking forward to some insight and discussion on this. Thanks in advance.
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Old   April 4, 2020, 21:16
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Lucky Tran
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2. The sheltering effect can be captured; but using the periodic BC you will end up with the solution to an infinite array (not a 100x100 array).

1. Nothing to do with periodic BC's but you can translate the mesh and merge them together and recursively build a mesh for a 100x100 array.
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Old   April 7, 2020, 05:48
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Siddhant Agarwal
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Thanks for the suggestion.
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periodic boundary fluent, solar panel resistance, wind loading

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