The Southwell plot is a graphical method of determining experimentally a structure's critical load, without needing to subject the structure to near-critical loads. The technique can be used for nondestructive testing of any structural elements that may fail by buckling.
The Southwell plot is a graphical method of determining experimentally a structure's critical load, without needing to subject the structure to near-critical loads. The technique can be used for nondestructive testing of any structural elements that may fail by buckling.
Source: Wikipedia "Southwell plot" · CC BY-SA 4.0
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