TY JOUR TI Modeling of the compliant structure of concrete matrix KW metamaterials KW auxetic structures KW cement-sand matrix KW mathematical modeling KW energy absorption KW finite element method KW concrete structures KW dynamic loads KW protective facilities. JO Construction and Architecture AU Kamenev, Y.A. AU Pavlyuk, A.Y. AU Nesterov, O.S. AU Karasev, S.Y. PY 2025 IS PB Publishing Center RIOR