Question 8.CS.4D: FEA Analysis of a Bicycle Brake Arm Problem A bicycle brake ...
FEA Analysis of a Bicycle Brake Arm
Problem A bicycle brake arm was analyzed for stress and deflection with classical methods and simplified geometry in Case Study 4B (p. 217). Analyze this assembly with FEA and compare the results to the earlier study.
Given The geometry and loading are known from Case Study 4A (p. 94) and the arm is acted on by a cable force of 1 046 N in the position shown.
Assumptions The accelerations are negligible. A Class 1 load model is appropriate and a static analysis is acceptable. The coefficient of friction between the brake pad and wheel rim has been measured and is 0.45 at room temperature and 0.40 at 150°F.
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