Publications

PUBLICATIONS

Conference papers:


Revisiting the optimal thickness profile of cooling fins:
A one-dimensional analytical study using optimality conditions


J Alexandersen, O Sigmund

Proceedings of the Intersociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems (ITherm) (2021), doi:10.1109/ITherm51669.2021.9503196

Preprint: arxiv:2012.04310 - Postprint: local

Video presentation: local



Application of full and approximate flow models in topology optimisation of passive cooling for electronics cabinets


J Alexandersen

Proceedings of the Intersociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems (ITherm) (2020), doi:10.1109/ITherm45881.2020.9190302

Postprint: local

Video presentation: local



Topology optimisation of passive coolers for light-emitting diode lamps


J Alexandersen, O Sigmund, N Aage

Proceedings of the 11th World Congress of Structural and Multidisciplinary Optimization (2015)

doi:10.13140/RG.2.1.3906.5446

Postprint: PURE



Journal papers:


Topography optimisation using a reduced-dimensional model for transient conjugate heat transfer between fluid channels and solid plates with volumetric heat source


Y Sun, S Yao, J Alexandersen

Structural and Multidisciplinary Optimization (2024) 67:45, doi:10.1007/s00158-024-03760-8

Fully open access



A numerical design methodology for optimal pacing strategy in cycling


AF Bach, CB Lundgaard, J Alexandersen

Under review in Optimization and Engineering

Preprint: hal-04169935



Topography optimisation using a reduced-dimensional model for convective heat transfer between plates with varying channel height and constant temperature


Y Sun, S Yao, J Alexandersen

Structural and Multidisciplinary Optimization (2023) 66:206, doi:10.1007/s00158-023-03661-2

Fully open access


Application of a reduced-dimensional model for fluid flow between stacks of parallel plates with complex surface topography


Yupeng Sun, Hafiz Muhammad Adeel Hassan, J Alexandersen

Fluids (2023) 8(6):174, doi:10.3390/fluids8060174

Fully open access



Reaction-diffusion equation driven topology optimization of high-resolution and feature-rich structures using unstructured meshes


H Li, M Yu, P Jolivet, J Alexandersen, T Kondoh, T Hu, K Furuta, K Izui, S Nishiwaki

Advances in Engineering Design (2023) 180:103457, doi:10.1016/j.advengsoft.2023.103457

Preprint: arxiv:2007.01759



Performance analysis of a stand-alone thermal energy storage system based on CSM plates filled with phase change material


HMA Hassan, MPR Hansen, J Dallaire, MAB Larsen, E Kieseritzky, J Alexandersen, C Veje, I Lund

Energy and Buildings (2023) 278:112621, doi:10.1016/j.enbuild.2022.112621

Fully open access



A detailed introduction to density-based topology optimisation of fluid flow problems with implementation in MATLAB


J Alexandersen

Structural and Multidisciplinary Optimization (2023) 66(1):1-38, doi:10.1007/s00158-022-03420-9

Preprint: arxiv:2207.13695

Code: topflow@github



Material extrusion additive manufacturing and experimental testing of topology-optimised passive heat sinks using a thermally-conductive plastic filament


E Huttunen, MT Nykanen, J Alexandersen

Additive Manufacturing (2022) 59(A):103123, doi:10.1016/j.addma.2022.103123

Fully open access


Topography optimisation of fluid flow between parallel plates of spatially-varying spacing: revisiting the origin of fluid flow topology optimisation

J Alexandersen

Structural and Multidisciplinary Optimization (2022) 65(5):152, doi:10.1007/s00158-022-03243-8

Preprint: arxiv:2110.02595



Topology optimization of two fluid heat exchangers


LC Høghøj, DR Nørhave, J Alexandersen, O Sigmund, CS Andreasen

International Journal of Heat and Mass Transfer (2020) 154:119681

doi:10.1016/j.ijheatmasstransfer.2020.120543

Preprint: arxiv:2007.01759

Postprint: local



Topology optimization of heat sinks for instantaneous chip cooling using a transient pseudo-3D thermofluid model


T Zeng, H Wang, M Yang, J Alexandersen

International Journal of Heat and Mass Transfer (2020) 154:119681

doi:10.1016/j.ijheatmasstransfer.2020.119681

Preprint: arxiv:1911.12987

Postprint: local



A review of topology optimisation for fluid-based problems


J Alexandersen, CS Andreasen

Fluids (2020) 5(1):29, doi:10.3390/fluids5010029

Open access



A "poor man's" approach for high-resolution three-dimensional topology design of natural convection problems


N Pollini, O Sigmund, CS Andreasen, J Alexandersen

Advances in Engineering Software (2020) 140:102736, doi:10.1016/j.advengsoft.2019.102736

Preprint: arxiv:1904.00182

Postprint: local



A "poor man's" approach to topology optimization of natural convection problems


J Asmussen, J Alexandersen, O Sigmund, CS Andreasen

Structural and Multidisciplinary Optimization (2019) 59(4):1105-1124, doi:10.1007/s00158-019-02215-9

Postprint: arxiv:1809.01900v2

Preprint: arxiv:1809.01900v1



Investment casting and experimental testing of heat sinks designed by topology optimization


T Lei, J Alexandersen, BS Lazarov, F Wang, JHK Haertel, S Sanna, S De Angelis, O Sigmund, K Engelbrecht

International Journal of Heat and Mass Transfer (2018) 127:396-412, doi:10.1016/j.ijheatmasstransfer.2018.07.060

Postprint: PURE

Preprint: PURE




Experimental validation of additively manufactured optimized shapes for passive cooling


BS Lazarov, O Sigmund, KE Meyer, J Alexandersen

Applied Energy (2018) 226:330-339, doi:10.1016/j.apenergy.2018.05.106

Postprint: PURE

Preprint: PURE



Revisiting density-based topology optimization for fluid-structure-interaction problems


C Lundgaard, J Alexandersen, M Zhou, CS Andreasen, O Sigmund

Structural and Multidisciplinary Optimization (2018) 58:969-995, doi:10.1007/s00158-018-1940-4

Postprint: PURE



Design of passive coolers for light-emitting diode lamps using topology optimisation


J Alexandersen, O Sigmund, KE Meyer, BS Lazarov

International Journal of Heat and Mass Transfer (2018) 122:138-149, doi:10.1016/j.ijheatmasstransfer.2018.01.103

Postprint: PURE

Preprint: PURE



Large scale three-dimensional topology optimisation of heat sinks cooled by natural convection


J Alexandersen, O Sigmund, N Aage

International Journal of Heat and Mass Transfer (2016) 100:876-891, doi:10.1016/j.ijheatmasstransfer.2016.05.013

Postprint: PURE

Preprint: arxiv:1508.04596 and PURE



Industrial application of topology optimization for combined conductive and convective heat transfer problems


M Zhou, J Alexandersen, O Sigmund, CBW Pedersen

Structural and Multidisciplinary Optimiation (2016) 54(4):1045-1060, doi:10.1007/s00158-016-1433-2


Postprint: PURE



Stress-constrained topology optimization for compliant mechanism design


DM de Leon, J Alexandersen, JSO Fonseca, O Sigmund

Structural and Multidisciplinary Optimiation (2015) 52(5):929-943, doi:10.1007/s00158-015-1279-z

Postprint: PURE



Topology optimisation of manufacturable microstructural details without length scale separation using a spectral coarse basis preconditions


J Alexandersen, BS Lazarov

Computer Methods in Applied Mechanics and Engineering (2015) 290:156-182, doi:10.1016/j.cma.2015.02.028

Postprint: PURE

Preprint: arxiv:1411.3923



Topology optimisation for natural convection problems


J Alexandersen, N Aage, CS Andreasen, O Sigmund

International Journal of Numerical Methods in Fluids (2014) 76(10):699-721, doi:10.1002/fld.3954

Preprint: arxiv:1408.2102