Hygrothermal Expansion in a Composite Laminate Calculator Leave a Comment / By GULSHAN SHAFI / February 27, 2024 Hygrothermal Expansion is a Measures dimensional changes in composite laminates due to moisture and temperature.The formula is given by: Where: εtotal​ is the total strain. εthermal is the thermal strain. εmoisture​ is the moisture-induced strain. Related