foldforhold
Foldforhold is a term used in Danish and Norwegian technical literature to describe the relationship between folds in a material or structure and its resulting geometry or properties. It is typically defined as a ratio comparing a folded state to the original, most commonly the thickness after folding to the thickness before folding, but it can also refer to length, height, or stiffness depending on context. The concept appears across disciplines such as paper engineering, textiles, packaging, and geology, where folding alters mechanical behavior and geometry.
In practice, foldforhold helps quantify how folding changes performance. A higher foldforhold generally increases stiffness and
Measurement and calculation: foldforhold is expressed as F = t_folded / t_original, where t denotes the relevant dimension
See also: folding, laminated materials, structural geology, origami.