Simulation-Driven Product Development
Design models are key in product development. They mark the start of the simulation process. These models can be geometric shapes that display design details. They can also be simpler versions that retain the key elements for FEA software. 3D modeling geometry is key. It links engineering simulation to design and manufacturing. Using the same file from design to manufacturing cuts down on errors in the product.
For electronic models, use Gerber files. Also, use conductive trace files to create the analysis model. Conductive trace models help estimate conductivity for the circuit card.
Test Computationally, Then Build Prototypes
Finite element analysis helps analyze products on time while minimizing costs. You can run a virtual “test” on the CAD model of a part or assembly.
This test checks:
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Heat transfer
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Thermal stress
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Impact behavior
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Power dissipation
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Aerodynamic loads
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Dynamic features
We can simulate any physical condition that the product will face. New aircraft designs go through detailed computer modeling. This happens before making factory tools or building prototypes. The aircraft CAD model undergoes FEA analysis. These models are complex. However, this method costs much less than older ones. Older methods depended on 2D drawings, manual calculations, and testing alone.
Norman T. Neher, P.E.
Analytical Engineering Services, Inc.
Elko New Market, MN
www.aesmn.org