Sims_BeamBending_Worksheet (1)
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Feb 20, 2024
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Engineering 1182 Fundamentals of Engineering Simulations: Structural Analysis Lab Worksheet
Team Letter:
L Team Members:
Nabila Abumaike, Sabona Hedato, Alexa Yockey, and CJ Demetrius 1.
Insert a screenshot of the simulation Workspace in the environment with the appropriate mate and force applied. You do not need to have different screenshots for each material. 2.
Insert a screenshot of workspace after successfully running the simulation. Ensure that the screenshot shows both the legend and the deflected beam. You do not need to have different screenshots for each material.
3.
Fill in the table below with the simulated
deflection values for each material tested in the lab procedure. Table 1: Simulated Deflection Values for Each Material
Material Deflection –
δ
z
(inches) Steel .0768 Copper .139 Aluminum .221 4.
Given the measured experimental deflection values measured in the ENGR 1181 Beam Bending Lab provided below, calculate the percent difference compared to the value obtained in the simulations. Include one sample calculation below using Equation 1.
Table 2: Deflection Values for Each Simulation
Material Experimental Deflection (
δ
z
) (inches) % Difference Steel 0.072 6.45 Copper 0.148 6.27 Aluminum 0.251 12.7 1.
𝑷?????? 𝑫𝒊???????? =
|𝜹
?𝒙𝒑??𝒊????𝒂?
− 𝜹
?𝒊???𝒂???
|
(
𝜹
?𝒙𝒑??𝒊????𝒂?
+ 𝜹
?𝒊???𝒂???
)/?
∗ ???
(|
.148-.139
|
/ ((.148+.139)/2)))*100= 6.27 (1)
5.
Comment on the percent difference calculated for each material and discuss any potential sources of error. The percent difference is a lot higher than I thought it would be on the aluminum. This may be too how the center mark is shown on the simulation different parts of the circle vary slightly but can cause big percentage differences. The Steel and Copper were much lower but I would say in an acceptable range. 6.
Explain two benefits of computer simulations compared to physical experiments
.
Computer simulations could be more accurate do to less human error. Simulation doesn’t require you to have the resources at hand like for this lab I don’t need an actual copper beam.
7.
Explain two benefits of physical experiments compared to computer simulations. Physical experiment could be benifital because it’s the real thing and nothing beats the real thing you can't have a bug in your code in real life. Its not just a guess if you do it physically cause you are seeing it happen.
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