Castigliano Theorem: Difference in Horizontal Displacement

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The discussion centers on the difference in horizontal displacement between fixed supports and frictionless pins or hinges as analyzed using the Castigliano Theorem. Fixed supports (4a) provide greater stability and resistance to displacement compared to frictionless pins or hinges (4b), which allow for some movement. The participants seek clarification on the original question regarding the specific differences in displacement caused by these support types. The conversation indicates a need for visual aids to better understand the concepts being discussed. Understanding these differences is crucial for accurate structural analysis and design.
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What is the difference between this two types of support when we finding horizontal displacement?
Attachment is at the comment below. =D
 
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Hello! Hello! It looks like you lost interest while typing your question.
 
Sorry, just now i failed to upload picture via mobile.
Please help me take a look, thanks!
 

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Apache said:
Sorry, just now i failed to upload picture via mobile.
Please help me take a look, thanks!

4a is a fixed support.
4b is a frictionless pin or hinge.
 
Depending upon the method of attachment, "A" would be a lot stronger.

Oops! Hang on now... what was the original question? Did you mean what is the difference in the displacement?
 
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