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ST7-1.70.70.1 Moment-Curvature Beam with Thermal Gradient Applied
When a moment-curvature nonlinear beam is used in conjunction with an applied beam thermal gradient, validating the moment-curvature relationship requires the consideration of the stress-free thermal curvature strain. The beam used in this example is shown below. It has a point load, thermal gradient, and support applied. The support is to stabilise the solution past the point of ultimate moment by providing an alternative load path after perfectly plastic hinging occurs.
The total curvature...
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