[User Case] Application of Femap with NX Nastran in Sports Shoe Design
計算力学研究センター【略称:RCCM】 東京本社
Asics Corporation, Sports Engineering Research Institute, Functional Research Department - Case Study
To improve the necessary stability in shoes, a high rigidity heel counter inserted in the heel area of the shoe is required. On the other hand, shoes also need to be lightweight, so we designed the heel counter to achieve a balance between these two requirements.
[Background]
To improve the necessary stability in shoes, a high rigidity heel counter inserted in the heel area of the shoe is required.
[Solution]
We derived boundary conditions that can reproduce the deformation state of the heel during actual running using Femap with NX Nastran. Furthermore, we optimized the topology of the heel counter under these boundary conditions.
[Required Functions for Shoes (Excerpt)]
■ Flexibility (Does it bend along the foot?)
■ Cushioning (Does it absorb impact?)
■ Stability (Does it put too much strain on the foot joints?)
■ Breathability (Does the foot get sweaty?)
■ Lightweight (Does it not impose unnecessary burden?)
In shoe development, it is important to design these required functions in a well-balanced manner.
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