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“The “Material is not within the allowed range” error may be due to a missing coefficient of expansion

2025-10-12View Original

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When performing a startup check for the CAESAR II model, an error stating “Material is not within the allowable range” is displayed; this may be due to the lack of allowable stress or expansion coefficient for the nearby points. I have encountered this error in software before; after checking the material tables, allowable stress values were available for temperatures within the 10-degree range. I couldn’t understand why the error occurred. Once the corresponding expansion coefficient was added, the error disappeared.

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