Neural reparameterization improves structural optimization

S Hoyer, J Sohl-Dickstein, S Greydanus - arXiv preprint arXiv:1909.04240, 2019 - arxiv.org
… In designing the 116 structural optimization tasks, our goal was to create a distribution of
diverse, well-studied problems with real-world significance. We started with a selection of …

Design space reparameterization enforces hard geometric constraints in inverse-designed nanophotonic devices

M Chen, J Jiang, JA Fan - ACS Photonics, 2020 - ACS Publications
… We use reparameterized local optimization to design metagratings that deflect normally …
by a generative neural network and reparameterized to constrained physical devices. Network …

Attentive neural processes and batch Bayesian optimization for scalable calibration of physics-informed digital twins

A Chakrabarty, G Wichern, C Laughman - arXiv preprint arXiv:2106.15502, 2021 - arxiv.org
… As the design and control of these buildings represent a significant change in how buildings
… rately replicate the observed behavior of the physical system. Physics-informed dynamical …

Optimum design of nonlinear structures via deep neural network-based parameterization framework

HT Mai, S Lee, D Kim, J Lee, J Kang, J Lee - European Journal of …, 2023 - Elsevier
… Several numerical examples for design optimization of truss structures under deflection
constraints are investigated to evaluate the efficiency and reliability of the proposed framework. …

Neural Network Reparametrization for Accelerated Optimization in Molecular Simulations

N Dehmamy, C Both, J Mohapatra, S Das… - … Conference on Neural …, 2024 - openreview.net
design. By not relying on training data, our approach provides a robust framework for tackling
complex optimization … are derived for physical Hessians, the reparametrization approach to …

PTPT: Physical design tool parameter tuning via multi-objective Bayesian optimization

H Geng, T Chen, Y Ma, B Zhu… - … on computer-aided design …, 2022 - ieeexplore.ieee.org
… and graph embeddings generated using graph neural networks. In [6], … correlations among
QoR metrics to be optimized, which may lead to … The reparameterization trick is exploited to …

TONR: An exploration for a novel way combining neural network with topology optimization

Z Zhang, Y Li, W Zhou, X Chen, W Yao… - Computer Methods in …, 2021 - Elsevier
… for topology optimization lies in the introduction of physical … Through this reparameterization,
we achieve a generalized … : neural reparameterization, the introduction of design constraints…

Reparameterization approach to gradient-based inverse design of three-dimensional nanophotonic devices

E Gershnabel, M Chen, C Mao, EW Wang… - ACS …, 2022 - ACS Publications
… the latent and physical space device … our reparameterization method minimally impact
device performance. To compare the two design strategies, we perform fully freeform optimization

Physics-informed feature-to-feature learning for design-space dimensionality reduction in shape optimisation

S Khan, A Serani, M Diez, P Kaklis - AIAA scitech 2021 forum, 2021 - arc.aiaa.org
… the geometric variance of designs but also induces the variability in the designs’ physics. As
… efficient design exploration and the construction of improved surrogate models for designs’ …

Paint-it: Text-to-texture synthesis via deep convolutional texture map optimization and physically-based rendering

K Youwang, TH Oh… - Proceedings of the IEEE …, 2024 - openaccess.thecvf.com
… 4a), the neural reparameterized optimization fits the low-frequency … the scheduled frequency
of neural re-parameterization helps the … 4.1, we design the baseline pixel optimization for …