Research progress in data-driven constitutive modeling of composite solid propellants

With the continuous advancement of technology, composite solid propellants play an increasingly widespread and crucial role in fields such as aerospace and military applications. Accurate constitutive modeling of these propellants is key to their research, development, performance evaluation, and optimization. Traditional modeling methods have certain limitations, and the rise of data-driven techniques has brought new opportunities and challenges to this field. Against this backdrop, this paper reviews the research on data-driven constitutive modeling of composite solid propellants. The aim is to organize existing achievements, analyze the strengths and weaknesses of different methods, discuss the current key issues and future development trends in this field, and provide references and foundations for further promoting the research and application of constitutive modeling of composite solid propellants.