Webinars 2021 (9-18)

Missed an event? Watch videos of past TOP Webinars on YouTube or Bilibili.

TOP Webinar 18
December 16, 2021

Host: Rasmus Ellebæk Christiansen (DTU Denmark)

1 – Eddie Wadbro (Karlstad University, Sweden)
Bokhari, A. H., Mousavi, A., Niu, B., & Wadbro, E. “Topology optimization of an acoustic diode?.” Structural and Multidisciplinary Optimization, 63(6), (2021): 2739-2749.

2 – Yuki Noguchi (University of Tokyo, Japan)
Noguchi, Y., Yamada, T. “Topology optimization for acoustic structures considering viscous and thermal boundary layers using a sequential linearized Navier-Stokes model”, (2021), arXiv:2108.06116 [cs.CE]

3 – Wenjie Yao (Massachusetts Institute of Technology, USA)
Yao, W., Verdugo, F., Christiansen, R. E., Johnson, S. G. “Trace formulation for photonic inverse design with incoherent sources.”, (2021), arXiv:2111.13046 [physics.optics]

4 – Alec Hammond (Georgia Institute of Technology, USA)
Hammond, A. M., Oskooi, A., Johnson, S. G., & Ralph, S. E. “Photonic topology optimization with semiconductor-foundry design-rule constraints.” Optics Express, 29(15), (2021), 23916-23938.

5 – Oliver Giraldo-Londoño (University of Missouri, USA)
Giraldo-Londoño, O., Aguiló, M. A., Paulino, G. H. “Local stress constraints in topology optimization of structures subjected to arbitrary dynamic loads: a stress aggregation-free approach.”, Struct Multidisc Optim 64, (2021), 3287-3309.
Giraldo-Londoño, O., Paulino, G. H. “PolyDyna: a Matlab implementation for topology optimization of structures subjected to dynamic loads”, Struct Multidisc Optim 64, (2021), 957-990.

TOP Webinar 17
November 30, 2021, Tuesday

Host: Natasha Vermaak (Lehigh University USA)

1 – Iwona Jasiuk (University of Illinois at Urbana-Champaign USA)
Abueidda, Diab W., Ziliang Kang, Seid Koric, Kai A. James, and Iwona M. Jasiuk. “Topology optimization for three‐dimensional elastoplastic architected materials using a path‐dependent adjoint method.” International Journal for Numerical Methods in Engineering 122, no. 8 (2021): 1889-1910.

2 – Piotr Tauzowski (Institute of Fundamental Technological Research of the Polish Academy of Sciences, POLAND)
Tauzowski, P., Blachowski, B. and Lógó, J., 2021. Topology optimization of elasto-plastic structures under reliability constraints: A first order approach. Computers & Structures, 243, p.106406.

3 – Mathilde Boissier (Ecole Polytechnique, FRANCE)
Boissier, M., Deaton, J.D., Beran, P.A. and Vermaak, N., 2021. Elastoplastic topology optimization of cyclically loaded structures via direct methods for shakedown. Structural and Multidisciplinary Optimization, pp.1-29.

4 – Haim Waisman (Columbia University USA)
Russ, J.B. and Waisman, H., 2021. A novel elastoplastic topology optimization formulation for enhanced failure resistance via local ductile failure constraints and linear buckling analysis. Computer Methods in Applied Mechanics and Engineering, 373, p.113478.

5 – Mathias Wallin (Lund University/LTH, SWEDEN)
Ivarsson, N., Wallin, M., Amir, O. and Tortorelli, D.A., 2021. Plastic work constrained elasto‐plastic topology optimization. International Journal for Numerical Methods in Engineering. 1-24

TOP Webinar 16
October 28, 2021, Thursday

Host: Yi Min ‘Mike’ Xie (RMIT University)

1 – Simon Thomas (The University of Sydney)
Simon Thomas, Qing Li & Grant Steven. ‘Finite periodic topology optimization with oriented unit-cells’. Structural and Multidisciplinary Optimization, 2021.

2 – Benedikt Kriegesmann (Hamburg University of Technology)
Micah Kranz, Julian K. Lüdeker & Benedikt Kriegesmann. ‘An empirical study on stress-based fail-safe topology optimization and multiple load path design’. Structural and Multidisciplinary Optimization, 2021.

3 – Matthew Gilbert (The University of Sheffield)
Helen E. Fairclough, Linwei He, Thomas J. Pritchard & Matthew Gilbert. ‘LayOpt: an educational web-app for truss layout optimization’. Structural and Multidisciplinary Optimization, 2021.

4 – Jiaming Ma (RMIT University)
Jiaming Ma, Zi-Long Zhao, Sen Lin & Yi Min Xie. ‘Topology of leaf veins: Experimental observation and computational morphogenesis’. Journal of the Mechanical Behavior of Biomedical Materials, Vol. 123, 2021, 104788.

5 – Yi Xia (Delft University of Technology)
Yi Xia, Matthijs Langelaar & Max A.N. Hendriks. ‘Optimization-based three-dimensional strut-and-tie model generation for reinforced concrete’. Computer-Aided Civil and Infrastructure Engineering, Vol. 36, 2021, 526– 543.

TOP Webinar 15
September 28, 2021, Tuesday

Host: Mattias Schevenels (KU Leuven, Belgium)

1 – Jamie Guest (Johns Hopkins University, Baltimore, USA)
R. Behrou, R. Lotfi, J.V. Carstensen, F. Ferrari, and J.K. Guest. Revisiting element removal for density-based structural topology optimization with reintroduction by Heaviside projection. Computer Methods in Applied Mechanics and Engineering, 380:113799, 2021. https://doi.org/10.1016/j.cma.2021.113799

2 – Patrick Farrell (Oxford University, UK)
I.P.A. Papadopoulos, P.E. Farrell, and T.M. Surowiec. Computing multiple solutions of topology optimization problems. SIAM Journal on Scientific Computing, 43(3):A1555-A1582, 2021. https://doi.org/10.1137/20M1326209

3 – Gengdong Cheng and Yuan Liang (Dalian University of Technology, China)
Y. Liang and G. Cheng. Further elaborations on topology optimization via sequential integer programming and Canonical relaxation algorithm and 128-line MATLAB code. Structural and Multidisciplinary Optimization, 61(1):411-431, 2020. https://doi.org/10.1007/s00158-019-02396-3
Y. Liang, K. Sun, and G. Cheng. Discrete variable topology optimization for compliant mechanism design via Sequential Approximate Integer Programming with Trust Region (SAIP-TR). Structural and Multidisciplinary Optimization, 62(6):2851-2879, 2020. https://doi.org/10.1007/s00158-020-02693-2
X.Y. Yan, Y. Liang, and G. Cheng. Discrete variable topology optimization for simplified convective heat transfer via sequential approximate integer programming with trust-region. International Journal for Numerical Methods in Engineering, 2021. Published online. https://doi.org/10.1002/nme.6775

4 – Pierre Duysinx and Eduardo Fernandez (University of Liège, Belgium)
D. Trillet, P. Duysinx, and E.F. Fernández Sanchez. Analytical relationships for imposing minimum length scale in the robust topology optimization formulation. Structural and Multidisciplinary Optimization, 2021. Published online. https://doi.org/10.1007/s00158-021-02998-w
E. Fernández, C. Ayas, M. Langelaar, and P. Duysinx. Topology optimisation for large-scale additive manufacturing: generating designs tailored to the deposition nozzle size. Virtual and Physical Prototyping, 16(2):196-220, 2021. https://doi.org/10.1080/17452759.2021.1914893

5 – Vittoria Laghi (University of Bologna, Italy)
M. Bruggi, V. Laghi, and T. Trombetti. Simultaneous design of the topology and the build orientation of wire-and-arc additively manufactured structural elements. Computers & Structures, 242:106370, 2021. https://doi.org/10.1016/j.cma.2021.113799

TOP Webinar 14
August 26, 2021, Thursday

Host: Josephine V Carstensen (Massachusetts Institute of Technology)

1 – Mingdong Zhou (Shanghai Jiao Tong University)
Yichang Liu, Mingdong Zhou, Chuang Wei & Zhongqin Lin. “Topology optimization of self-supporting infill structures”. Struct Multidisc Optim 63, 2289–2304 (2021).

2 – Emily Sanders (Georgia Institute of Technology)
Sanders, E. D., Pereira, A., & Paulino, G. H. (2021). “Optimal and continuous multilattice embedding”. Science Advances, 7(16), eabf4838.

3 – Shangqin Yuan (Northwestern Polytechnical University)
Shaoying Li, Shangqin Yuan, Jihong Zhu, Weihong Zhang, Han Zhang & Jiang Li. “Multidisciplinary topology optimization incorporating process-structure-property-performance relationship of additive manufacturing”. Struct Multidisc Optim 63, 2141–2157 (2021).

4 – Jorge Barrera (University of Colorado at Boulder)
Barrera, Jorge L., Markus J. Geiss, and Kurt Maute. “Hole seeding in level set topology optimization via density fields”. Structural and Multidisciplinary Optimization 61.4 (2020): 1319-1343.

5 – Fengwen Wang (Technical University of Denmark)
Wang, Fengwen, and Ole Sigmund. “3D architected isotropic materials with tunable stiffness and buckling strength”. Journal of the Mechanics and Physics of Solids 152 (2021): 104415.

TOP Webinar 13
May 27, 2021, Thursday

Host: Bin Niu & Jun Yan (Dalian University of Technology)

1 – Gore Lukas Bluhm, Technical University of Denmark, Denmark
Gore Lukas Bluhm, Ole Sigmund, Konstantinos Poulios. Internal contact modeling for finite strain topology optimization, Computational Mechanics, 67, 1099–1114, 2021.

2 – Junji Kato, Nagoya University, Japan
T Nishino, J Kato. Robust topology optimization based on finite strain considering uncertain loading conditions. International Journal for Numerical Methods in Engineering, 122:1427–1455, 2021.

3 – X. Shelly Zhang, University of Illinois at Urbana Champaign, USA
Xiaojia Shelly Zhang, HengChi, Glaucio H.Paulino. Adaptive multi-material topology optimization with hyperelastic materials under large deformations: A virtual element approach, Computer Methods in Applied Mechanics and Engineering, 370: 112976, 2020

4 – Emiel van de Ven, Delft University of Technology, The Netherlands
van de Ven, E., Ayas, C., Langelaar, M., Maas, R., van Keulen, F. Accessibility of support structures in topology optimization for additive manufacturing,International Journal for Numerical Methods in Engineering, 122(8): 2038-2056,2021

5 – Zunyi Duan, Northwestern Polytechnical University, China
Zunyi Duan*, Yongsu Jung, Jun Yan, Ikjin Lee*. Reliability-based multi-scale design optimization of composite frames considering structural compliance and manufacturing constraints. Structural and Multidisciplinary Optimization, 61(2):2401-2421, 2020

TOP Webinar 12
April 29, 2021, Thursday

Host: Matthijs Langelaar (Delft University of Technology)

1 – Benedikt Kriegesmann
“Simultaneous topology and fastener layout optimization of assemblies considering joint failure”, Olaf Ambrozkiewicz and Benedikt Kriegesmann.
Based on International Journal for Numerical Methods in Engineering 122, no. 1 (2021): 294-319
Paper | Slides

2 – Hollis Smith
“Topology optimization with discrete geometric components made of composite materials”, Hollis Smith  and Julián A. Norato.
Based on Computer Methods in Applied Mechanics and Engineering 376 (2021): 113582
Paper | Slides

3 – Jaewook Lee
“Design of spatially-varying orthotropic infill structures using multiscale topology optimization and explicit de-homogenization”, Jaewook Lee, Chiyoung Kwon, Jeonghoon Yoo, Seungjae Min, Tsuyoshi Nomura, and Ercan M. Dede.
Based on Additive Manufacturing (2021): 101920
Paper | Slides

4 – Mathilde Boissier
“Concurrent shape optimization of the part and scanning path for additive manufacturing”, Mathilde Boissier, Grégoire Allaire, and Christophe Tournier.
Based on Paper (Preprint, 2021) | Slides

5 – Shutian Liu
“Additive manufacturing oriented topology optimization of structures with self-supported enclosed voids”, Luo, Yunfeng, Ole Sigmund, Quhao Li, and Shutian Liu.
Based on Computer Methods in Applied Mechanics and Engineering 372 (2020): 113385.

TOP Webinar 11
March 25, 2021, Thursday

Host: Emilio Carlos Nelli Silva (University of São Paulo, Brazil)

1 – Antonio Andre Novotny (National Laboratory for Scientific Computing, Petrópolis, Brazil)
A.A.S. Amad, A.A. Novotny & B.B. Guzina. “On the full-waveform inversion of seismic moment tensors”, International Journal of Solids and Structures, 202(1):717-728, 2020
Paper | Slides

2 – Liang Xia (Huazhong University of Science and Technology, China)
Zhen Liu, Liang Xia, Qi Xia, Tielin Shi, “Data-driven design approach to hierarchical hybrid structures with multiple lattice configurations”, Structural and Multidisciplinary Optimization 61: 2227-2235, 2020
Paper | Slides

3 – José Carlos Bellido Guerrero (University of Castilla–La Mancha, Spain)
R. Ortigosa, J. Martinez-Frutos, D. Ruiz, A. Donoso, J.C. Bellido, “Density-based Topology Optimisation considering nonlinear electromechanics”, Structural and Multidisciplinary Optimization (2021) – accepted

4- Peter D Dunning (University of Aberdeen, UK)
Fabian Wein, Peter D Dunning, Julian Norato – “A review on feature-mapping methods for structural optimization”, Structural and Multidisciplinary Optimization, 62, 1597–1638 (2020)
Paper | Slides

5 – Daniel Milbrath De Leon (Federal University of Rio Grande do Sul, Brazil)
Daniel Milbrath De Leon, Juliano F. Gonçalves, Carlos E. de Souza, “Stress-based topology optimization of compliant mechanisms design using geometrical and material nonlinearities”, Structural and Multidisciplinary Optimization (2020) 62:231–248
Paper | Slides

TOP Webinar 10
Feb. 23, 2021, Tuesday

Joe Alexandersen, University of Southern Denmark

1 – Sicheng Sun
“3D topology optimization of heat sinks for liquid cooling”
Sicheng Sun, Piotr Liebersbach, Xiaoping Qian – University of Wisconsin-Madison
Applied Thermal Engineering (2020)
Paper | Slides

2 – Zheng Li
“Three-dimensional topology optimization of thermal-fluid-structural problems for cooling system design”
Minghao Yu, Shilun Ruan, Junfeng Gu, Mengke Ren, Zheng Li, Xinyu Wang & Changyu Shen – Dalian University of Technology
Structural and Multidisciplinary Optimization (2020)
Paper | Slides

3 – Casper Schousboe Andreasen
“Topology optimization of two fluid heat exchangers”
Lukas Christian Høghøj, Daniel Ruberg Nørhave, Joe Alexandersen, Ole Sigmund, Casper Schousboe Andreasen – Technical University of Denmark
International Journal of Heat and Mass Transfer (2020)
Paper | Slides

4 – Florian Feppon
“Body-fitted topology optimization of 2D and 3D fluid-to-fluid heat exchangers”
Florian Feppon, Grégoire Allaire, Charles Dapogny, Pierre Jolivet – École Polytechnique
Computer Methods in Applied Mechanics and Engineering (2021)
Paper | Slides

TOP Webinar 9
Jan. 26, 2021, Tuesday

Wei Chen (Northwestern University)
Shelly Zhang (University of Illinois at Urbana Champaign)

1 – Ying Zhou, Queensland University of Technology, Australia
A new data-driven topology optimization framework for structural optimization.
Ying Zhou, Haifei Zhan, Weihong Zhang*, Jihong Zhu, Jinshuai Bai, Qingxia Wang, Yuantong Gu*. Computers & Structures (2020), 239, 106310.
Paper | Slides

2 – Yongmin Liu, Northeastern University, USA
Probabilistic Representation and Inverse Design of Metamaterials Based on a Deep Generative Model with Semi-Supervised Learning Strategy.
W Ma, Feng Cheng, Yihao Xu, Qinlong Wen, and Yongmin Liu*.Advanced Materials (2019), 31 (39), 1901111.
Paper | Slides

3 – Glaucio Paulino, Georgia Institute of Technology, USA
Universal machine learning for topology optimization.
Heng Chi, Yuyu Zhang, Tsz Ling Elaine Tang, Lucia Mirabella, Livio Dalloro, Le Song, Glaucio H. Paulino*. Computer Methods in Applied Mechanics and Engineering (2021), to appear.

4 – Stefano Zapperi, University of Milan, Italy
Automatic design of mechanical metamaterial actuators.
Bonfanti, Silvia, Roberto Guerra, Francesc Font Clos, Daniel Rayneau-Kirkhope, and Stefano Zapperi*. Nature Communications (2020), 11, 4162.
Paper | Slides

5 – Liwei Wang, Northwestern University, USA
Deep generative modeling for mechanistic-based learning and design of metamaterial systems.
Liwei Wang, Yu-Chin Chan, Faez Ahmed, Zhao Liu, Ping Zhu, Wei Chen*. Computer Methods in Applied Mechanics and Engineering(2020), 372, 113377.
Paper | Slides

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