Structural Analysis: Thermal Loads and Flexible Supports in Force Method
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13. Thermal loads in Force Method.
Due to the change Of the temperature into the element the displacement of the structure is Described the following formula:
Where:
t – Is calculated: t = tC – t0.
tC - current temperature in the Element at the centroid of element cross-section.
t0 - the beginning temperature in The element.
αt –thermal expansion ratio.
Ni – the values of axial forces in The elements under the unit force Xi.
Due to the temperature Difference around the element the displacement of the structure is Described the following formula:
Where:
Δt – is Calculated: Δt = tu – td.
αt – thermal expansion ratio.
h – a height of element cross-section.
Mi – the values of moments in the Elements under the unit force Xi.
14. Flexible
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