A wavenumber-difference minimization de-homogenization method for TPMS cell-size optimization reduces strain-energy error from 63.6% to 0.8% versus the homogenized model and yields 50.1% stiffness gain over uniform structures in FE analysis.
Svanberg, The method of moving asymptotes-—a new method for structural optimization, International Journal for Numerical Methods in Engineering 24 (2) (1987) 359–373
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Multifidelity topology optimization with a calibrated Darcy low-fidelity model produces two-fluid heat exchanger designs that achieve up to 22% better performance than conventional twisted-tape designs when verified with high-fidelity RANS simulations.
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Distortion-minimized de-homogenization for optimization of cell-size distribution in TPMS structures
A wavenumber-difference minimization de-homogenization method for TPMS cell-size optimization reduces strain-energy error from 63.6% to 0.8% versus the homogenized model and yields 50.1% stiffness gain over uniform structures in FE analysis.
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Topology optimization of two-fluid turbulent heat exchangers: A Darcy flow-based multifidelity approach
Multifidelity topology optimization with a calibrated Darcy low-fidelity model produces two-fluid heat exchanger designs that achieve up to 22% better performance than conventional twisted-tape designs when verified with high-fidelity RANS simulations.