大変形を考慮する目安について

- June 21, 2023 at 4:07 am
  
  Wataru Nakayasu
  Ansys Employee
  
  大変形（幾何学的非線形）を考慮すべきかどうかについて、目安はありますか？
- June 21, 2023 at 4:14 am
  
  Wataru Nakayasu
  Ansys Employee
  
  大変形（幾何学的非線形）を考慮すべき一つの目安としては、ひずみが10%以上、もしくはたわみ角度が20%以上になる場合です。
  ただ対象モデルによっては大変形ON/OFFでほぼ結果が変わらない、逆に大きく変わる場合がありますので
  迷う場合は大変形ON/OFFで2ケースの計算を実施し、結果の違いを比較して決めるのが望ましいです。
  なので上記はあくまで目安としてとらえて頂ければと存じます。

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