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The DSM method is utilized to develop an improved visibility estimate for non-hierarchic system architectures. A method is also proposed to account for different module sizes and system module level testing costs. Finally, a normalization procedure is proposed that allows comparing alternative modular arrangements of the same underlying system elements. The proposed method serves as the basis of an improved approach for architecture optimization. The proposed method is illustrated using a reference example of an industrial gas turbine.<\/jats:p>","DOI":"10.1177\/1063293x07079320","type":"journal-article","created":{"date-parts":[[2007,6,18]],"date-time":"2007-06-18T10:13:02Z","timestamp":1182161582000},"page":"157-173","source":"Crossref","is-referenced-by-count":29,"title":["Architectural Valuation using the Design Structure Matrix and Real Options Theory"],"prefix":"10.1177","volume":"15","author":[{"given":"David M.","family":"Sharman","sequence":"first","affiliation":[{"name":"Product Development Research Laboratory Department of\rIndustrial and Enterprise Systems Engineering University of Illinois at Urbana-Champaign,\rUrbana, IL 61801, USA"}]},{"given":"Ali A.","family":"Yassine","sequence":"additional","affiliation":[{"name":"Product Development Research Laboratory Department of\rIndustrial and Enterprise Systems Engineering University of Illinois at Urbana-Champaign,\rUrbana, IL 61801, USA, yassine@ uiuc.edu"}]}],"member":"179","published-online":{"date-parts":[[2007,6,1]]},"reference":[{"key":"atypb1","volume-title":"Notes on the Synthesis of Form","author":"Alexander, C.","year":"1964"},{"key":"atypb2","doi-asserted-by":"publisher","DOI":"10.1126\/science.1089072"},{"key":"atypb3","doi-asserted-by":"publisher","DOI":"10.1115\/1.2826916"},{"key":"atypb4","doi-asserted-by":"publisher","DOI":"10.1146\/annurev.micro.52.1.105"},{"key":"atypb5","volume-title":"Modularity in the Design of Complex Engineered Systems","author":"Baldwin, C.Y.","year":"2006"},{"key":"atypb6","doi-asserted-by":"publisher","DOI":"10.7551\/mitpress\/2366.001.0001"},{"key":"atypb7","doi-asserted-by":"publisher","DOI":"10.1109\/17.946528"},{"key":"atypb8","volume-title":"Integration Analysis of Product Architecture to Support Effective Team Co-location, SM Thesis (SDM)","author":"Fernandez, C.","year":"1998"},{"key":"atypb9","volume-title":"The Multiple Faces of Modularity\u2014 A Literature Analysis of a Product Concept for Assembled Hardware Products","author":"Fixson, S.","year":"2003"},{"key":"atypb10","volume-title":"The Modularity of Mind","author":"Fodor, J.","year":"1996"},{"key":"atypb11","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevE.68.065103"},{"key":"atypb12","volume-title":"Clustering Algorithms","author":"Hartigan, J.","year":"1975"},{"key":"atypb13","doi-asserted-by":"publisher","DOI":"10.1038\/35011540"},{"key":"atypb14","volume-title":"Proceedings of ASME Design Engineering Technical Conference","author":"Ishii, K."},{"key":"atypb15","volume-title":"Crossing the Chasm: Marketing and Selling High-Tech Products to Mainstream Customers","author":"Moore, G.","year":"1999"},{"key":"atypb16","volume":"69","author":"Newman, M.","year":"2004","journal-title":"Physical Review E"},{"key":"atypb17","volume":"94","author":"Pimmler, T.","year":"1994","journal-title":"Design Theory and Methodology-DTM"},{"key":"atypb18","doi-asserted-by":"publisher","DOI":"10.1002\/smj.4250171107"},{"key":"atypb19","unstructured":"Schilling, M.A. (2002). 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