Ioannis Papapanagiotou , Roland V. Bumbuc , H. Ibrahim Korkmaz , Valeria Krzhizhanovskaya , Vivek M. Sheraton
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This data is processed and prepared for neural network training, involving data cleaning, transformation into suitable formats, and a time-series-aware train-test split. We then implement and assess various neural network architectures. Each model is designed to capture the temporal and spatial dynamics of cytokine concentrations, with adjusted model architectures (kernels, number of layers, neurons per layer) to better suit this problem. The models are evaluated using Mean Squared Error, R-squared, and Mean Absolute Percentage Error. In this paper, we assess how different NN architectures (convolutional neural networks (CNNs), long short-term memory (LSTM) neural networks, attention mechanisms, and physics-informed neural networks (PINNs)) predict the concentration of cytokines in this biological system. We find that STA-LSTM generally performs best across statistical metrics.</div></div>","PeriodicalId":48907,"journal":{"name":"Journal of Computational Science","volume":"89 ","pages":"Article 102593"},"PeriodicalIF":3.7000,"publicationDate":"2025-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"From simulations to surrogates: Neural networks enhancing burn wound healing predictions\",\"authors\":\"Ioannis Papapanagiotou , Roland V. Bumbuc , H. Ibrahim Korkmaz , Valeria Krzhizhanovskaya , Vivek M. Sheraton\",\"doi\":\"10.1016/j.jocs.2025.102593\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><div>Burn injuries trigger substantial inflammation, complicating wound healing and potentially leading to severe systemic complications. Understanding the immune response to burns is crucial for improving treatment. Although agent-based models (ABMs) are valuable for studying these interactions, they are computationally demanding. This paper explores the integration of neural networks (NNs) as surrogate models to approximate and forecast ABM simulation results in predicting cytokine concentrations over time and space. We present the development of a baseline ABM using the CompuCell3D software, simulating the innate immune response and generating extensive cytokine concentration data. This data is processed and prepared for neural network training, involving data cleaning, transformation into suitable formats, and a time-series-aware train-test split. We then implement and assess various neural network architectures. Each model is designed to capture the temporal and spatial dynamics of cytokine concentrations, with adjusted model architectures (kernels, number of layers, neurons per layer) to better suit this problem. The models are evaluated using Mean Squared Error, R-squared, and Mean Absolute Percentage Error. In this paper, we assess how different NN architectures (convolutional neural networks (CNNs), long short-term memory (LSTM) neural networks, attention mechanisms, and physics-informed neural networks (PINNs)) predict the concentration of cytokines in this biological system. 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From simulations to surrogates: Neural networks enhancing burn wound healing predictions
Burn injuries trigger substantial inflammation, complicating wound healing and potentially leading to severe systemic complications. Understanding the immune response to burns is crucial for improving treatment. Although agent-based models (ABMs) are valuable for studying these interactions, they are computationally demanding. This paper explores the integration of neural networks (NNs) as surrogate models to approximate and forecast ABM simulation results in predicting cytokine concentrations over time and space. We present the development of a baseline ABM using the CompuCell3D software, simulating the innate immune response and generating extensive cytokine concentration data. This data is processed and prepared for neural network training, involving data cleaning, transformation into suitable formats, and a time-series-aware train-test split. We then implement and assess various neural network architectures. Each model is designed to capture the temporal and spatial dynamics of cytokine concentrations, with adjusted model architectures (kernels, number of layers, neurons per layer) to better suit this problem. The models are evaluated using Mean Squared Error, R-squared, and Mean Absolute Percentage Error. In this paper, we assess how different NN architectures (convolutional neural networks (CNNs), long short-term memory (LSTM) neural networks, attention mechanisms, and physics-informed neural networks (PINNs)) predict the concentration of cytokines in this biological system. We find that STA-LSTM generally performs best across statistical metrics.
期刊介绍:
Computational Science is a rapidly growing multi- and interdisciplinary field that uses advanced computing and data analysis to understand and solve complex problems. It has reached a level of predictive capability that now firmly complements the traditional pillars of experimentation and theory.
The recent advances in experimental techniques such as detectors, on-line sensor networks and high-resolution imaging techniques, have opened up new windows into physical and biological processes at many levels of detail. The resulting data explosion allows for detailed data driven modeling and simulation.
This new discipline in science combines computational thinking, modern computational methods, devices and collateral technologies to address problems far beyond the scope of traditional numerical methods.
Computational science typically unifies three distinct elements:
• Modeling, Algorithms and Simulations (e.g. numerical and non-numerical, discrete and continuous);
• Software developed to solve science (e.g., biological, physical, and social), engineering, medicine, and humanities problems;
• Computer and information science that develops and optimizes the advanced system hardware, software, networking, and data management components (e.g. problem solving environments).