Publications Peer-Reviewed Journal Articles For an up-to-date list of publications, please see Google Scholar. 2026 COSMIC: Concurrent Optimization of Structure, Material, and Integrated Control for Robotic Systems Qinsong Guo, Liwei Wang Under review Link PDF Heterogeneous Metamaterials Design via Multiscale Neural Implicit Representation Hongrui Chen, Liwei Wang, and Levent Burak Kara Journal of Mechanical Design 148(10), 101705 🏆DAC Papers of Distinctions, ASME IDETC-CIE 2025 Link PDF 2025 Autonomous co-design and fabrication of multi-stimuli-responsive material systems Liwei Wang, Alexander L. Evenchik, Jared M. Yang, Ryan L. Truby, Wei Chen Science Advances 11 (2025):eadx4409 🔗 CMU ME News | 🔗 Northwestern Engineering News | 🔗 NU Engineering Magazine (Back Cover) Link PDF Co-Design of Magnetic Soft Robots with Large Deformation and Contacts via Material Point Method and Topology Optimization Liwei Wang Computer Methods in Applied Mechanics and Engineering 445 (2025):118205 Link PDF Data-driven Topology Optimization for Multiscale Biomimetic Spinodal Design Shiguang Deng, Doksoo Lee, Aaditya Chandrasekhar, Stefan Knapik, Liwei Wang, Horacio D. Espinosa and Wei Chen Structural and Multidisciplinary Optimization (2026):69, 10 Link PDF Multi-Scale Topology Optimization Using Neural Networks Hongrui Chen, Xingchen Liu, Liwei Wang, and Levent Burak Kara Engineering with Computers (2025): 1-15 Link PDF Co-Design of Geometry and Thermal-Elastic Gradient Alloy Distribution with Temperature-Dependent Material Properties Stefan Knapik, Shiguang Deng, Liwei Wang, Aaditya Chandrasekhar, Wing Kam Liu, Jian Cao and Wei Chen Structural and Multidisciplinary Optimization (2025):68, 127 Link 2024 Ultrastiff Metamaterials Generated Through a Multilayer Strategy and Topology Optimization Yang Liu, Yongzhen Wang, Hongyuan Ren, Zhiqiang Meng, Xueqian Chen, Zuyu Li, Liwei Wang, Wei Chen, Yifan Wang, and Jianbin Du Nature Communications 15, no. 1 (2024): 2984. Link PDF Data-Driven Design for Metamaterials and Multiscale Systems: A Review Doksoo Lee*, Wei Chen*, Liwei Wang*, Yu‐Chin Chan, and Wei Chen Advanced Materials 36, no. 8 (2024): 2305254. 🏆Most-Viewed Papers in 2023 Link PDF A Latent Variable Approach for Non-Hierarchical Multi-Fidelity Adaptive Sampling Yi-Ping Chen, Liwei Wang, Yigitcan Comlek, and Wei Chen Computer Methods in Applied Mechanics and Engineering 421 (2024): 116773. Link PDF Mixed-Variable Global Sensitivity Analysis for Knowledge Discovery and Efficient Combinatorial Materials Design Yigitcan Comlek, Liwei Wang, and Wei Chen Journal of Mechanical Design 146 (2024): 051706-1. 🏆DAC Papers of Distinctions, ASME IDETC-CIE 2024 Link PDF 2023 Physics-Aware Differentiable Design of Magnetically Actuated Kirigami for Shape Morphing Liwei Wang, Yilong Chang, Shuai Wu, Ruike Renee Zhao, and Wei Chen Nature Communications 14, no. 1 (2023): 8516. Link PDF General Assembly Rules for Metamaterials with Scalable Twist Effects Weiyun Xu*, Liwei Wang*, Zhao Liu, and Ping Zhu International Journal of Mechanical Sciences 259 (2023): 108579. Link PDF T-METASET: Task-Aware Acquisition of Metamaterial Datasets Through Diversity-Based Active Learning Doksoo Lee, Yu-Chin Chan, Wei Chen, Liwei Wang, Anton van Beek, and Wei Chen Journal of Mechanical Design 145, no. 3 (2023): 031704. 🏆DAC Best Paper Award, ASME IDETC-CIE 2023 Link PDF 2022 Mechanical Cloak via Data-Driven Aperiodic Metamaterial Design Liwei Wang, Jagannadh Boddapati, Ke Liu, Ping Zhu, Chiara Daraio, and Wei Chen Proceedings of the National Academy of Sciences 119, no. 13 (2022): e2122185119. Link PDF Generalized De-homogenization via Sawtooth-Function-Based Mapping and Its Demonstration on Data-Driven Frequency Response Optimization Liwei Wang, Zhao Liu, Daicong Da, Yu-Chin Chan, Wei Chen, and Ping Zhu. Computer Methods in Applied Mechanics and Engineering 395 (2022): 114967. Link PDF Remixing Functionally Graded Structures: Data-Driven Topology Optimization with Multiclass Shape Blending Yu-Chin Chan, Daicong Da, Liwei Wang, and Wei Chen Structural and Multidisciplinary Optimization 65, no. 5 (2022): 135. Link PDF Data-Driven Multiscale Design of Cellular Composites with Multiclass Microstructures for Natural Frequency Maximization Liwei Wang, Anton van Beek, Daicong Da, Yu-Chin Chan, Ping Zhu, and Wei Chen Composite Structures 280 (2022): 114949. Link PDF Scalable Gaussian Processes for Data-Driven Design Using Big Data with Categorical Factors Liwei Wang, Suraj Yerramilli, Akshay Iyer, Daniel Apley, Ping Zhu, and Wei Chen Journal of Mechanical Design 144, no. 2 (2022): 021703. 🏆DAC Papers of distinctions, ASME IDETC-CIE 2022 Link PDF Data-Driven and Topological Design of Structural Metamaterials for Fracture Resistance Daicong Da, Yu-Chin Chan, Liwei Wang, and Wei Chen Extreme Mechanics Letters 50 (2022): 101528. Link PDF 3D Chiral Metamaterial Modular Design with Highly-Tunable Tension-Twisting Properties Weiyun Xu, Zhao Liu, Liwei Wang, and Ping Zhu Materials Today Communications 30 (2022): 103006. Link PDF 2021 Data-Driven Topology Optimization with Multiclass Microstructures using Latent Variable Gaussian Process Liwei Wang, Siyu Tao, Ping Zhu, and Wei Chen Journal of Mechanical Design 143, no. 3 (2021): 031708. 🏆ASME JMD Top 20 Accessed Articles in 2022; 🏆ASME JMD Spotlight in IDETC-2022 🏆DAC Papers of distinctions, ASME IDETC-CIE 2021 Link PDF METASET: Exploring Shape and Property Spaces for Data-Driven Metamaterials Design Yu-Chin Chan, Faez Ahmed, Liwei Wang, and Wei Chen Journal of Mechanical Design 143, no. 3 (2021): 031707. 🏆DAC Papers of distinctions, ASME IDETC-CIE 2021 Link PDF 2020 Deep Generative Modeling for Mechanistic-Based Learning and Design of Metamaterial Systems Liwei Wang, Yu-Chin Chan, Faez Ahmed, Zhao Liu, Ping Zhu, and Wei Chen Computer Methods in Applied Mechanics and Engineering 372 (2020): 113377. Link PDF Data-driven metamaterial design with Laplace-Beltrami spectrum as “shape-DNA” Liwei Wang, Yu-Chin Chan, Zhao Liu, Ping Zhu, and Wei Chen Structural and multidisciplinary optimization 61 (2020): 2613-2628. Link PDF 2019 Globally Approximate Gaussian Processes for Big Data with Application to Data-Driven Metamaterials Design Ramin Bostanabad, Yu-Chin Chan, Liwei Wang, Ping Zhu, and Wei Chen Journal of Mechanical Design 141, no. 11 (2019): 111402. Link PDF