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CM_PWR Drop Test Structural FEA. Objectives Simulate Drop Test from 3 feet using Algor simulation Produce an accurate Finite Element Analysis of the event.

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Presentation on theme: "CM_PWR Drop Test Structural FEA. Objectives Simulate Drop Test from 3 feet using Algor simulation Produce an accurate Finite Element Analysis of the event."— Presentation transcript:

1 CM_PWR Drop Test Structural FEA

2 Objectives Simulate Drop Test from 3 feet using Algor simulation Produce an accurate Finite Element Analysis of the event

3 Materials Test 1 - Aluminum

4 Simulated Forces Test 1 & 2

5 Analysis

6

7 Results Maximum Principal Stress – 1235 psi O temper Aluminum Max Yield Strength ~ 8000 psi T6 Aluminum Max Yield Strength ~ psi

8 Materials Test 2 - Delrin

9 Analysis

10

11

12 Results Maximum Principal Stress – 1370 psi Delrin 500MP NC010 Max Yield Strength ~ psi

13 CM_PWR Thermal Test Structural FEA

14 Simulated Test Conditions Transient Thermal Analysis 3 Hot Spots 0-6 min – 15 watts of Heat Generated 6-7 min – ramp up to 45 watts of Heat Generated 7-8 min – Full 45 watts of Heat Generated

15 Simulated Test Conditions Initial Temperature – 32º C (90º F) Convection Coefficient – 3.2 J/(sºCm 2) Surrounding air at 32º C Density – kg/m 3 Prandtl No. – 0.71 Thermal Conductivity – W/mºC

16 Results Test 1 –Aluminum Body & Base

17 Results Test 2 – DuPont Delrin Body & Aluminum Base

18 Alternate Design Heat sink on the bottom of the base plate 5º C reduction at 6 minutes 12º C reduction at 8 minutes 48 in 2 increase in area lbm mass addition

19 Results Test 3 – DuPont Delrin Body & Aluminum (w/ Fins) Base


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