StoreBoard
Miranda Craig, Nick Fornaciari, Josh Jackson, Casey McClay, Devin Pietz
Wentworth Institute of Technology
Faculty advisor: Professor El-Sadi
Introduction Analysis Interface Design Conclusion
Parts:
StoreBoard was created to make transporting your snowboard a more enjoyable Each assembly, sub-
FEA Analysis:
experience and give the feeling of safety that the board will be able to be found assembly, and component is
Initial Conditions:
labeled and given a
with the addition of a GPS. The goal was to split the board in a new way while Total Force Applied: 160 lbs
Constraints: Fixed under middle of board description for identification
maintaining the performance of a mass-produced snowboard. Today, splitboards
during manufacturing and
are split vertically down the middle of the board. The goal Meshing: assembly.
was to split it horizontally down the middle to make Mesh Size - 0.6”
the board smaller and more compact to travel with. Nodes - 41,072
Elements - 20,131 StoreBoard is the snowboard that can travel with ease and has the
By reducing the length of the board by 50%, the safety of always being found. The first step of the StoreBoard project was
snowboard case could also be reduced which would Results: finding a way to cut a board in half and still keep its structural integrity. One
help snowboarders navigate through airlines easier or travel Von Mises - 1,799.150 psi of the larger issues with this was finding a latch that could with hold the max
for cross country snowboarding. In order to verify the FOS - 5.7
stress needed. For this project to be considered a success, a regular
design, the board was tested under the most extreme Electronics Configuration: snowboard was put through the same simulation that the StoreBoard went
circumstance a snowboard would undergo: grinding on a rail. The new design Outputs: N/A BOM: through. The regular snowboard in this scenario yielded a 2.2 factor of
would need to perform within 5% of a mass-produced design. Inputs: VK-162 G-Mouse USB A Bill of Materials is safety of and a max Von Mises stress of 2,965 psi. Therefore, the goal of
GPS Dongle Navigation Module displayed to show each StoreBoard was to meet those same numbers or come within reason to them.
External GPS Antenna Remote components location relative
Mount USB GPS Receiver for
While designing the final design (image above), larger latches were added
to the assembly or sub-
Design Process Raspberry Pi Support Google
Earth Window
Power supply: Kuman UPS
Battery Pack Expansion Board
assembly, allowing for a
better understanding during
the manufacturing and
that could withstand a higher stress. With the new latches and the final board
design the goal was surpassed with ease. The final factor of safety was 5.7
and only had a max Von Mises stress of 1,799.15 psi. A major contributing
The design of the StoreBoard began with the development of several split assembly process. factor to the reduced stress was the strength of the latches which are made
Power Supply for Raspberry Pi 3
designs. Each design was modeled in SolidWorks for further FEA analysis to Controllers: N/A from 316 stainless steel. In conclusion, the design of the StoreBoard was a
determine the strongest, best performing board design under standard riding success.
The other feature of StoreBoard is that it has a battery charged GPS. In
conditions. Of five unique designs, one model surpassed the others through
Computation Fluid Dynamics creating the specifications of the GPS, many qualifications were considered.
the simulation study and was selected for further development. In the second
Initial Condition: The main qualifications consisted of battery life, loss of heat, overall size,
stage of the design process, the selected design was refined based on the Ambient Temperature – 32 F and location. The average hours of someone snowboarding is about 4-6
previous results to make the connection point stronger. The connection point X-Velocity – 30 MPH
Initial Solid Temperature – 70 F
hours in one day. The battery life for the GPS is 3,800mAh, which translates
was strengthened through a different type of latch and screws obtained to around 8 hours. The next large process was depicting how to maintain
Solid Material – ABS
through McMaster Carr. Global Goals - Max Heat Transfer heat for the internal components. Inside the ABS plastic casing the
In development of the GPS system of the StoreBoard, an insulated casing Coefficient components of GPS an insulator called Aerogel was applied. After running
was required to maintain effective operating conditions of the electronics an FEA analysis with the initial conditions of an ambient temperature of
within. The casing enclosed a computer board, lithium battery, and GPS such Meshing: Interference:
Total cells - 1233382 32°F and an internal temperature of 70°F. The final temperature after 4 hours
that an insulated lining would maintain a consistent operating temperature. The interference are
Fluid cells - 1102941 is 50°F and the lowest temperature the GPS can obtain is 0°F. The overall
displayed to show each sub-
Once an insulated casing and electronic components were modeled, a Solid cells - 130441 size of the casing was condensed as much as possible so it wouldn’t factor
Fluid cells contacting solids - 58680 assembly and components
transient thermal analysis was completed to inspect the internal temperature interference to another
the performance of the board. The location of the GPS on the board was
Maximum refinement level - 2
of the casing after 4 hours of operation. After the casing passed the conditions component. The type of decided on for the shear protection of it. By putting it in the middle it
set forth by the thermal study, it was configured for proper mounting to the Results: interaction is shown to aid in guarantees the highest percentage of it not being broken. In conclusion the
board by a gasket and removable screws. Lastly, the electronic components Iterations until Convergence - 100 understanding how to critical aspects of the GPS, the battery life and internal temperature, are a
Max Heat Transfer Coefficient - 55.5 assembly the components. clear success.
were configured and simulated through an automated circuit builder to test
W/m^2*K
validity of the idea.
Tolerancing:
The tolerancing is displayed
for each component to aid in
the manufacturing process.
Certain components need
tolerancing to ensure ease of
Transient Thermal Analysis assembly, while others are
Initial Condition:
manufactured by a third party
Total Time – 4 Hours
Time Increment – 30 Minutes and therefore do not need
Convection Coefficient – 55.5 W/m^2*K tolerancing. With tolerancing
Bulk Ambient Temperature – 32 F
Initial Temperature – 70 F
comes assembly and
modeling notes, which help
give understanding of how
Bibliography
Results: components will interact with
Minimum Electronics Temperature – 50 F
each other. 1. Mueller, Beth A., et al. “Injuries of the Head, Face, and Neck in Relation to Ski Helmet
Use.” Epidemiology, 19, (2), 2008, pp. 270–276. JSTOR, www.jstor.org/stable/20486536.
2. Caillaud, B., Winkler, R., Oberguggenberger, M. et al. Static model of a snowboard undergoing a carved turn: validation by full-
scale test. Sports Eng 22, 15 (2019).
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