On performance of different material models in predicting response of ceramics under high velocity impact. (30th November 2019)

• Record Type: Journal Article
• Authors: Lahiri, Saptarshi Kumar; Shaw, Amit; Ramachandra, L.S.
• Is Part Of: International journal of solids and structures. Volume 176/177(2019)
• Page Start: 96
• Page End: 107
• Publication Date: 2019-11-30
• Subjects: Ceramics -- Micro-mechanics based model -- Phenomenological model -- High velocity impact -- Damage; Mechanics, Applied -- Periodicals; Structural analysis (Engineering) -- Periodicals; Elastic solids -- Periodicals; Mécanique appliquée -- Périodiques; Constructions, Théorie des -- Périodiques; Solides élastiques -- Périodiques; Elastic solids; Mechanics, Applied; Structural analysis (Engineering); Periodicals; 624.18
• DOI: 10.1016/j.ijsolstr.2019.05.024
• Languages: English
• ISSNs: 0020-7683

Abstract

Abstract: The micromechanics based ceramic model developed by Deshpande and Evans (2008) is incorporated in a particle-based computational code in this article. Its performance in predicting response of ceramic target under high velocity impact is investigated through some benchmark experimental observations. For a better comprehension, the numerical predictions are also compared with that of obtained via the widely used phenomenological models by Johnson and Holmquist (JH1 and JH2). The efficiency and limitations of Deshpande-Evans model in capturing various failure mechanisms of ceramic are brought out to an extent.