P (lb) 800 Problem 1. Apply Rainflow counting to analyze the periodic loading block shown in figure. All loads are lbs. Identify the fully reversable cycles present in the loading block. Show all your work. 400 0 Problem 2. A machine component is a 3 in. dia. solid bar, 24 in. long. The material is 1045 HR. It is fixed to a column at one end. The other end is a free cantilever. The load is applied perpendicularly to the top surface of the beam three inches from the cantilever end. -400 -800 Write a MATLAB program to calculate the fatigue life using the data from Problem 1. The inputs that should be able to be entered by the user are: 1. The omax, Omin data from Rainflow counting. Assume that applied loading creates pure bending. 2. The Brinell hardness, yield strength, ultimate strength of the material The outputs should be: 1. The number of cycles to failure for each Gmax, Omin pair of data. 2. The total number of repetitions of the loading block to failure.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Please solve the following clearly, explain each step as you go. Also explain how rainfall counting works. thank you

P
(lb)
800
Problem 1.
Apply
Rainflow counting to analyze the
periodic loading block shown in
figure. All loads are lbs. Identify
the fully reversable cycles present
in the loading block. Show all your
work.
400
0
Problem 2.
A machine
component is a 3 in. dia. solid bar,
24 in. long. The material is 1045
HR. It is fixed to a column at one
end. The other end is a free
cantilever. The load is applied
perpendicularly to the top surface
of the beam three inches from the
cantilever end.
-400
-800
Write a MATLAB program to calculate the fatigue life using the data from Problem 1.
The inputs that should be able to be entered by the user are:
1. The omax, Omin data from Rainflow counting. Assume that applied loading creates pure
bending.
2. The Brinell hardness, yield strength, ultimate strength of the material
The outputs should be:
1. The number of cycles to failure for each Gmax, Omin pair of data.
2. The total number of repetitions of the loading block to failure.
Transcribed Image Text:P (lb) 800 Problem 1. Apply Rainflow counting to analyze the periodic loading block shown in figure. All loads are lbs. Identify the fully reversable cycles present in the loading block. Show all your work. 400 0 Problem 2. A machine component is a 3 in. dia. solid bar, 24 in. long. The material is 1045 HR. It is fixed to a column at one end. The other end is a free cantilever. The load is applied perpendicularly to the top surface of the beam three inches from the cantilever end. -400 -800 Write a MATLAB program to calculate the fatigue life using the data from Problem 1. The inputs that should be able to be entered by the user are: 1. The omax, Omin data from Rainflow counting. Assume that applied loading creates pure bending. 2. The Brinell hardness, yield strength, ultimate strength of the material The outputs should be: 1. The number of cycles to failure for each Gmax, Omin pair of data. 2. The total number of repetitions of the loading block to failure.
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