Max Stress & Deformation of flat plate under TRIANGULAR pressure load
Max Stress & Deformation of flat plate under TRIANGULAR pressure load
(OP)
Hi Everyone,
Just found this great forum. I'm looking for a formula that will give the maximum stress and deformation of a thin plate under a triangular pressure load.
Pounder's formulae only seems to cover uniform pressure load, I've looked for a solid week on the internet & in books for a suitable formula, but cant find anything. Does it exist?
It seems very rare to find any formula dealing with triangular pressure loads at all.
Just found this great forum. I'm looking for a formula that will give the maximum stress and deformation of a thin plate under a triangular pressure load.
Pounder's formulae only seems to cover uniform pressure load, I've looked for a solid week on the internet & in books for a suitable formula, but cant find anything. Does it exist?
It seems very rare to find any formula dealing with triangular pressure loads at all.






RE: Max Stress & Deformation of flat plate under TRIANGULAR pressure load
If you are dealing with a circular plate and a linearly increasing load over a diameter, then Roark has it, as well as many other loading conditions and plate shapes.
prex
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RE: Max Stress & Deformation of flat plate under TRIANGULAR pressure load
Blodgett's Design of Welded Structures.
PCA's Rectangular Concrete Tanks.
Moody's Moments and Reactions for Rectangular Plates
RE: Max Stress & Deformation of flat plate under TRIANGULAR pressure load
Joe Tank
RE: Max Stress & Deformation of flat plate under TRIANGULAR pressure load
RE: Max Stress & Deformation of flat plate under TRIANGULAR pressure load
RE: Max Stress & Deformation of flat plate under TRIANGULAR pressure load
csd
RE: Max Stress & Deformation of flat plate under TRIANGULAR pressure load
RE: Max Stress & Deformation of flat plate under TRIANGULAR pressure load
it would seem that the top edge is undeflected, that the out-of-plane deflection increases with depth, untill the effect of the lower edge is felt by the panel 'cause the bottom edge is also undeflected ... this is probably where the maximum bending happens in the angle stiffeners
RE: Max Stress & Deformation of flat plate under TRIANGULAR pressure load
I'm resurrecting a FE thin plate analysis code (from PhD) at the moment for any future unusual plate bending problems. Roark and Moody's books will hopefully enlighten the triangular pressure input load for it.
RE: Max Stress & Deformation of flat plate under TRIANGULAR pressure load
My load is an triangular pressure on a circular plate which is highest on the inner radius and 0 at outer radius.
I tried Roark to find a formula but there isn't one for the case I had. My workaround: I figured out an average pressure and verified that via FEA.
The Roark formula gave a slightly higher value, so I am on the safe side in this case.
RE: Max Stress & Deformation of flat plate under TRIANGULAR pressure load
prex
http://www.xcalcs.com : Online tools for structural design
http://www.megamag.it : Magnetic brakes for fun rides
http://www.levitans.com : Air bearing pads
RE: Max Stress & Deformation of flat plate under TRIANGULAR pressure load
RE: Max Stress & Deformation of flat plate under TRIANGULAR pressure load
prex
http://www.xcalcs.com : Online tools for structural design
http://www.megamag.it : Magnetic brakes for fun rides
http://www.levitans.com : Air bearing pads
RE: Max Stress & Deformation of flat plate under TRIANGULAR pressure load