High-speed LBM simulation for leakage prediction in porous systems
A high-speed computational fluid dynamics (CFD) model using the lattice Boltzmann method (LBM) for predicting leakage in porous media, specifically designed for applications in diaper design and other biofluid-related fields.
Overview
This innovative solution leverages high-speed lattice Boltzmann method (LBM) simulations to predict leakage in porous media, such as those used in diaper design. This model is capable of simulating capillary flow, reflecting the viscosity characteristics of non-Newtonian biological fluids, and proposing leakage probabilities. The solution is ideal for industries dealing with absorption and storage of biological fluids, providing a comprehensive framework for design and optimization.
Technical specifications
The model utilizes the LBM for simulating fluid dynamics in porous media, offering computational acceleration and accurate modeling of non-Newtonian fluids. Key features include:
- Simulation of capillary flow and fluid interactions in complex porous geometries.
- Viscosity adjustments through relaxation time, enabling non-Newtonian fluid modeling.
- GPU-based framework achieving significant speed improvements over traditional CPU methods.
- Use of the color-gradient model for accurate capillary effect simulation.
- Implementation of the Carreau-Yasuda model for precise non-Newtonian fluid behavior prediction.
Technology readiness level
This solution is at a Technology Readiness Level (TRL) 6, indicating that it has been validated in relevant environments with established partnerships and extensive experience in biofluid simulations and GPU computing. Further validation and benchmarking are ongoing, focusing on accuracy and efficiency metrics in leakage prediction.
About Yonsei University
Yonsei University is a comprehensive private research university based in Seoul with an additional international campus in Songdo, combining a broad academic enterprise with a major clinical footprint. For industry, co-located academic and clinical facilities enable problem-driven collaboration from early discovery through validation, and shared core labs and prototyping spaces streamline testing. The Songdo campus sits within the Incheon Free Economic Zone’s biomanufacturing hub, giving partners proximity to large‑scale production and a dense supplier network. Research is supported by competitive national funding through the National Research Foundation of Korea and relevant ministries, and a dedicated technology transfer office manages IP, licensing, and startup formation.
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