Interrelated Complexity Analysis of Major Engineering Project Decision-making Based on NK Model
Interrelated complexity is a critical feature in the decision-making process of major engineering projects.However,most related research has been conducted within the traditional project management framework,revealing certain partialities and limitations.To address this,this paper introduces the NK model into the analysis of interrelated complexity in major engineering decision-making.By reviewing relevant research both domestically and internationally,the paper defines interrelated complexity in major engineering decisions and clarifies its inherent characteristics,such as interrelatedness,nonlinearity,and adaptability.Starting from the decision-making environment,subjects,and objectives,analyzes the interrelated complexity of major engineering decisions and constructs a theoretical model.Using the Hong Kong-Zhuhai-Macao Bridge as an example,the paper identifies four major issues brought about by interrelated complexity in major engineering decisions:decision structure,decision authority,leading decision-making,and internal and external interrelatedness,further introduces solutions specific to the NK model,such as modular impact matrices,adaptive walks,genotypic search methods,and simulation parameters K and C.The study concludes that the NK model-based problem-solving methods can effectively align with the bottom-up,interrelated,and interactive features of decision points in the decision-making process of major engineering projects,providing a model framework and theoretical reference for subsequent related research.
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