I am trying to test a 180 degree model of a tank pile floor by applying equal loads to all of the piles and looking at the bending moment contours. This graphic is the XY Bending Moment which I think should be 0 if all the applied loads are equal on the piles? What do you think would be the cause of the high values in certain spots and the non symmetry of results? Maybe the aspect ratio of the elements? The inner ring is pinned and everything else is free. All elements have the same material, and the properties are symmetrical throughout (outer ring is thicker).
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