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GeoDict Filtration Applications
GeoDict provides a complete digital workflow for filtration material R&D—from filter media and pleated cartridges to complete housings. It combines 3D microstructures (from scans or digital generation) with validated high‑performance solvers for flow, filtration, and electrostatic effects. This enables accurate prediction of filtration efficiency, pressure drop, and dust holding capacity in a virtual environment, significantly reducing physical trial‑and‑error, shortening development cycles, and lowering R&D costs.
Case 1: Electret Filter Media – Combined Physical and Electrostatic Simulation
This case, conducted in collaboration with the IUTA Institute, addresses electret filter media widely used for their electrostatic particle capture. GeoDict uses AI‑based image segmentation (FiberFind‑AI) to convert µCT scans into digital models, then simulates both mechanical filtration (FilterDict) and electrostatic effects. The workflow allows users to predict performance under various loading conditions and fiber discharge behaviors, enabling optimization of charged media without extensive physical testing.
Case 2: Optimizing Dust Holding Capacity via Fiber Distribution
Filter media performance is governed by the trade‑off between dust holding capacity, efficiency, and pressure drop. This study compares three fiber distributions—uniform, linear, and exponential—while keeping permeability and initial pressure drop constant. Multi‑pass simulations show that the exponential distribution delays filter cake formation and significantly improves dust holding capacity without compromising efficiency or pressure rise. The results provide clear design guidelines for enhancing filter lifetime.
Case 3: Cylindrical Pleated Cartridge Design and Flow Optimization
This case demonstrates the digital design of cylindrical pleated filter cartridges using PleatGeo, which generates geometries with varying pleat counts, thicknesses, and porous layers. FlowDict solves the Stokes‑Brinkman equations to compute pressure drop and velocity distributions. A parametric study identifies the optimal pleat count (e.g., 56) that minimizes pressure drop, allowing engineers to test multiple configurations virtually before committing to costly physical prototyping.
Case 4: Protective Face Mask Filter Media – Design and Optimization
Using nano‑CT images of a double‑layer surgical mask media, this workflow applies ImportGeo‑Vol and FiberFind to extract fiber properties, then simulates filtration performance with FilterDict. The fine layer is optimized through automated parametric studies (GeoPy) to achieve the best balance of efficiency and pressure drop. Simulation results are validated against experimental data, confirming that digital optimization can accelerate development of high‑performance mask materials.
These four cases illustrate how GeoDict supports the entire filtration R&D process—from material characterization and microstructure design to performance simulation and optimization. Whether you are developing new filter media, designing pleated cartridges, or improving protective masks, GeoDict helps you innovate faster and more cost‑effectively.
It has a Class II qualification for steel structure engineering professional contracting and a Class II qualification for general contracting of building engineering construction; the company's main products include heavy steel, light steel, trusses and purlins, color steel plates and other steel structure products; in recent years, the company has undertaken a series of projects with significant influence, including large-scale structural components, bridges, garages, and standardized factories at home and abroad; products are exported to Belarus, Zambia, Indonesia and other countries, and have been well received.
Keywords： Filtration Applications
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