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Problem Specification

Consider the beam shown in the figure below. Using MATLAB,

a) Find the reactions RA, RB
b) Find the bending stress σx at point O
c) Plot the variation of σx at point O as the inner radius of the tube is varied in the range 0.5 cm < ri < 1.5 cm

Beam figureImage Added

This tutorial uses MATLAB version 7.1.

Solution Steps

The MATLAB solution is divided into the following steps:

• Step 1: Find Reactions RA, RB
• Step 2: Find σx for ri = 1 cm
• Step 3: Plot σx vs. ri
• Step 4: Plot σx vs. ri: Take 2
• Step 5: Plot σx vs. ri: Take 3

Conventions Used

In this tutorial, items and options appearing within the MATLAB graphical user interface are denoted in purple, italic, and bold.

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