Modal numerical–experimental identification method for characterising the elastic and damping properties in sandwich structures with a relatively stiff core

Identification of the elastic and dampin

Identification of the elastic and damping properties in sandwich structures with a low core-to-skin stiffness ratio

✍ Marco Matter; Thomas Gmür; Joël Cugnoni; Alain Schorderet 📂 Article 📅 2011 🏛 Elsevier Science 🌐 English ⚖ 972 KB

A mixed numerical-experimental identification procedure for estimating the storage and loss properties in sandwich structures with a soft core is developed. The proposed method uses at the experimental level a precise measurement setup with an electro-dynamic shaker and a scanning laser interferomet