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Computational fluid dynamics reveals how porosity affects pressure drop in double schwarz-d tpms structures, suggesting optimization is crucial for fluid transport.
This study presents a comprehensive computational fluid dynamics (CFD) analysis of airflow in double Schwarz-D Triply Periodic Minimal Surface (TPMS) structures under laminar steady-flow conditions. The pressure drop characteristics of these structures are investigated using representative elementary volume (REV)-scale CFD simulations. Two porosities, 58% and 80%, are analyzed to evaluate the influence of porosity on the flow characteristics and pressure drop. The results reveal that an increase in porosity significantly affects the hydraulic Reynolds number. For the 58% porosity structure, laminar flow is observed at hydraulic Reynolds numbers of 50 or lower, whereas the 80% porosity structure maintains laminar flow at Reynolds numbers up to 180. These findings provide valuable insights into the design and optimization of double Schwarz-D TPMS structures for engineering applications, particularly in scenarios requiring efficient fluid transport with controlled pressure drops.
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Vhora et al. (2025) studied this question.
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