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Nonlinear Finite Element Analysis FEA of Plastic Throttle Pedal

Nonlinear FEA




Nonlinear finite element analysis of plastic throttle pedal assembly involving extensive contact behavior between the pedal arm, body, and cover plate. These high-strength plastic parts were rigorously evaluated to optimize the design for extreme durability.

Modeling notes: material non-linearity was also included in the analysis strategy to better understand the elastic-plastic deformation response of the Nylon 66 throttle pedal.

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Femap FEA model of accelerator all-plastic pedal
Femap model of pedal housing showing constraint set
Nastran deflection results on Nylon 66 all-plastic pedal assembly
Nastran nonlinear stress results contoured over the Nylon 66 accelerometer pedal assembly