Discussion of Feng et al. (2014). "Statistical reconstruction of two-phase random media" [Comput. Struct. 137 (2014) 78–92]. (15th January 2016)

• Record Type: Journal Article
• Authors: Shields, Michael D.; Bocchini, Paolo; Deodatis, George
• Is Part Of: Computers & structures. Volume 163(2016)
• Page Start: 83
• Page End: 85
• Publication Date: 2016-01-15
• Subjects: Random media -- Stochastic simulation -- Non-Gaussian stochastic fields -- Iterative Translation Approximation Method -- Translation process theory; Structural engineering -- Data processing -- Periodicals; Electronic data processing -- Structures, Theory of -- Periodicals; 624.171
• DOI: 10.1016/j.compstruc.2015.10.007
• Languages: English
• ISSNs: 0045-7949

Abstract

Highlights: Clarifies misrepresentations of existing iterative methods in Feng et al. Demonstrates the efficiency of the ITAM method for random media simulation. Addresses compatibility and generality of random media simulation methods. Abstract: The recent work of Feng et al. (2014) presents a new approach for generation of 2-phase random media using a translation-based stochastic field. The method is useful, elegant, and efficient. The intention of this discussion is to clarify some misrepresentations of prior work as they are presented in terms of the efficiency of iterative methods and the Iterative Translation Approximation Method (ITAM) of Shields et al. (2011) specifically. The ITAM approach is far more efficient than presented and represents a negligibly small increase in expense over the proposed approach. Some issues pertaining to compatibility and generalization of translation fields are also discussed.