Also known as: COD.
COD stands for various terms. Discover the full forms, meanings, and possible interpretations of COD across different fields and industries.
The opening displacement of the notch surfaces at the notch and in the direction perpendicular to the plane of the notch and the crack. The displacement at the tip is called the crack tip opening displacement (CTOD); at the mouth, it is called the crack mouth opening displacement (CMOD).
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