Table 1 Introduction of related parameters.
From: Study on dynamic response of open web sandwich plate under near field explosive load
Symbol | Symbolic meaning | Symbol | Symbolic meaning |
|---|---|---|---|
\(\sigma\) | The actual Von Mises equivalent stress | P | The actual pressure |
\({\sigma }^{*}\) | The normalized equivalent stress | \({T}^{*}\) | The normalized maximum tensile hydrostatic pressure |
\({\sigma }_{i}^{*}\) | The normalized intact equivalent stress | T | The maximum tensile pressure |
\({\sigma }_{f}^{*}\) | The normalized fracture equivalent stress | \({\dot{\varepsilon }}^{*}\) | Dimensionless strain rate |
\({\sigma }_{HEL}\) | The equivalent force at the Hugoniot elastic limit (HEL) | ε | The actual strain rate |
\({P}^{*}\) | The normalized pressure | \({\varepsilon }_{0}\) | The reference strain rate |