Catenoid Dome

http://strutsandbolts.com/domemath.htm

 

I decided to base my design for this dome on a catenary curve because it is the optimum shape for a self supporting arch.

The Gateway Arch is an example of a self supporting arch based on a catenary curve.

The equation for the catenry curve I chose is f(x)=(4*cosh(2.5))-(4*cosh(x/4)).

This is in units of feet. Over the range 0 to 10 it looks like:


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