2. Rigidity
Flexural rigidity is the main reason for using sandwich structures. However, pure bending stiffness is often not enough to quantify a panel's performance, since this load never occurs alone. In-plane tensile, out-of-plane compression and transverse shear behavior must not be overlooked.
2.1 Modeling
In this section, we seek to express the characteristic stiffness properties of the sandwich panel as a function of the material properties of the facings and core. Two categories of properties are used depending on the context: equivalent material properties and macroscopic plate properties. Both are substitutable and easily deduced from each other when considering panel thickness. Equivalent material properties lend themselves more easily to material comparison and...
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Rigidity
Resistance
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