no code implementations • 28 Aug 2024 • Reid Graves, Amir Barati Farimani
The design of aerodynamic shapes, such as airfoils, has traditionally required significant computational resources and relied on predefined design parameters, which limit the potential for novel shape synthesis.
no code implementations • 26 Aug 2024 • Yayati Jadhav, Peter Pak, Amir Barati Farimani
To address these challenges, we present a process monitoring and control framework that leverages pre-trained Large Language Models (LLMs) alongside 3D printers to detect and address printing defects.
no code implementations • 8 Aug 2024 • Dule Shu, Amir Barati Farimani
The success of diffusion probabilistic models in generative tasks, such as text-to-image generation, has motivated the exploration of their application to regression problems commonly encountered in scientific computing and various other domains.
no code implementations • 24 Jul 2024 • AmirPouya Hemmasian, Amir Barati Farimani
We evaluated the effectiveness of this pretraining strategy in similar PDEs in higher dimensions.
1 code implementation • 2 Jul 2024 • Srivathsan Badrinarayanan, Chakradhar Guntuboina, Parisa Mollaei, Amir Barati Farimani
We combine PeptideBERT, a transformer model tailored for peptide property prediction, with a GNN encoder to capture both sequence-based and structural features.
1 code implementation • 12 Jun 2024 • Anthony Zhou, Cooper Lorsung, AmirPouya Hemmasian, Amir Barati Farimani
Pretraining for partial differential equation (PDE) modeling has recently shown promise in scaling neural operators across datasets to improve generalizability and performance.
1 code implementation • 31 May 2024 • Akshay Badagabettu, Sai Sravan Yarlagadda, Amir Barati Farimani
Our findings reveal that when we used GPT-4 Turbo as our language model, the architecture achieved a success rate of 53. 6\% on the first attempt.
no code implementations • 30 May 2024 • Tirtha Vinchurkar, Janghoon Ock, Amir Barati Farimani
There is a positive correlation between catalyst and adsorbate electronegativity with the prediction of adsorption energy.
no code implementations • 13 May 2024 • Olabode T. Ajenifujah, Francis Ogoke, Florian Wirth, Jack Beuth, Amir Barati Farimani
Laser powder bed fusion (LPBF) has shown promise for wide range of applications due to its ability to fabricate freeform geometries and generate a controlled microstructure.
1 code implementation • 12 May 2024 • Zijie Li, Anthony Zhou, Saurabh Patil, Amir Barati Farimani
Accurate weather forecasting is crucial in various sectors, impacting decision-making processes and societal events.
1 code implementation • 29 Apr 2024 • Parshin Shojaee, Kazem Meidani, Shashank Gupta, Amir Barati Farimani, Chandan K Reddy
Mathematical equations have been unreasonably effective in describing complex natural phenomena across various scientific disciplines.
no code implementations • 26 Apr 2024 • Yayati Jadhav, Amir Barati Farimani
This creates a trade-off between the efficiency of automation and the demand for resources.
no code implementations • 26 Apr 2024 • Francis Ogoke, Peter Myung-Won Pak, Alexander Myers, Guadalupe Quirarte, Jack Beuth, Jonathan Malen, Amir Barati Farimani
Insufficient overlap between the melt pools produced during Laser Powder Bed Fusion (L-PBF) can lead to lack-of-fusion defects and deteriorated mechanical and fatigue performance.
no code implementations • 23 Apr 2024 • Peter Myung-Won Pak, Francis Ogoke, Andrew Polonsky, Anthony Garland, Dan S. Bolintineanu, Dan R. Moser, Michael J. Heiden, Amir Barati Farimani
We present a deep learning approach for quantifying and localizing ex-situ porosity within Laser Powder Bed Fusion fabricated samples utilizing in-situ thermal image monitoring data.
1 code implementation • 28 Mar 2024 • Parisa Mollaei, Chakradhar Guntuboina, Danush Sadasivam, Amir Barati Farimani
In this study, we introduce IDP-Bert model, a deep-learning architecture leveraging Transformers and Protein Language Models (PLMs) to map sequences directly to IDPs properties.
no code implementations • 28 Mar 2024 • Akshat Chaudhari, Chakradhar Guntuboina, Hongshuo Huang, Amir Barati Farimani
The pursuit of novel alloys tailored to specific requirements poses significant challenges for researchers in the field.
1 code implementation • 26 Mar 2024 • Anthony Zhou, Amir Barati Farimani
Neural solvers for partial differential equations (PDEs) have great potential to generate fast and accurate physics solutions, yet their practicality is currently limited by their generalizability.
no code implementations • 18 Mar 2024 • Abraham George, Selam Gano, Pranav Katragadda, Amir Barati Farimani
Our results show that by pretraining with tactile information, the performance of a non-tactile agent can be significantly improved, reaching a level on par with visuo-tactile agents.
no code implementations • 15 Mar 2024 • Alison Bartsch, Arvind Car, Charlotte Avra, Amir Barati Farimani
Manipulating deformable objects remains a challenge within robotics due to the difficulties of state estimation, long-horizon planning, and predicting how the object will deform given an interaction.
no code implementations • 27 Feb 2024 • Zijie Li, Saurabh Patil, Francis Ogoke, Dule Shu, Wilson Zhen, Michael Schneier, John R. Buchanan, Jr., Amir Barati Farimani
Neural networks have shown promising potential in accelerating the numerical simulation of systems governed by partial differential equations (PDEs).
no code implementations • 27 Feb 2024 • Dule Shu, Wilson Zhen, Zijie Li, Amir Barati Farimani
Fluid data completion is a research problem with high potential benefit for both experimental and computational fluid dynamics.
1 code implementation • 24 Feb 2024 • Zehua Zhang, Zijie Li, Amir Barati Farimani
We propose a mask pretraining method for Graph Neural Networks (GNNs) to improve their performance on fitting potential energy surfaces, particularly in water systems.
1 code implementation • 29 Jan 2024 • Cooper Lorsung, Amir Barati Farimani
A combination of physics-informed system evolution and latent-space model output are anchored to input data and used in our distance function.
1 code implementation • 18 Dec 2023 • Seongwon Kim, Parisa Mollaei, Amir Barati Farimani, Anne Skaja Robinson
Alzheimer's Disease (AD), a neurodegenerative disorder, is reported as one of the most severe health and socioeconomic problems in current public health.
1 code implementation • 4 Dec 2023 • Anthony Zhou, Amir Barati Farimani
This introduces a new paradigm where models can be pretrained on unlabeled data from different bearings, faults, and machinery and quickly deployed to new, data-scarce applications to suit specific manufacturing needs.
no code implementations • 15 Nov 2023 • Francis Ogoke, Quanliang Liu, Olabode Ajenifujah, Alexander Myers, Guadalupe Quirarte, Jack Beuth, Jonathan Malen, Amir Barati Farimani
Defects in laser powder bed fusion (L-PBF) parts often result from the meso-scale dynamics of the molten alloy near the laser, known as the melt pool.
1 code implementation • 3 Nov 2023 • AmirPouya Hemmasian, Amir Barati Farimani
Developing fast surrogates for Partial Differential Equations (PDEs) will accelerate design and optimization in almost all scientific and engineering applications.
no code implementations • 30 Oct 2023 • Seongwon Kim, Parisa Mollaei, Akshay Antony, Rishikesh Magar, Amir Barati Farimani
In this paper, we developed the GPCR-BERT model for understanding the sequential design of G Protein-Coupled Receptors (GPCRs).
2 code implementations • 3 Oct 2023 • Kazem Meidani, Parshin Shojaee, Chandan K. Reddy, Amir Barati Farimani
To bridge the gap, we introduce SNIP, a Symbolic-Numeric Integrated Pre-training model, which employs contrastive learning between symbolic and numeric domains, enhancing their mutual similarities in the embeddings.
no code implementations • 20 Sep 2023 • Suryanarayanan Balaji, Rishikesh Magar, Yayati Jadhav, Amir Barati Farimani
A text based description of 326000 molecules were collected using ChatGPT and used to train LLM to learn the representation of molecules.
no code implementations • 18 Sep 2023 • Abraham George, Amir Barati Farimani
We achieve this goal by using linear transforms to augment the single demonstration, generating a set of trajectories for a wide range of initial conditions.
no code implementations • 15 Sep 2023 • Alison Bartsch, Charlotte Avra, Amir Barati Farimani
Deformable object manipulation presents a unique set of challenges in robotic manipulation by exhibiting high degrees of freedom and severe self-occlusion.
1 code implementation • 30 Aug 2023 • Hongshuo Huang, Rishikesh Magar, Changwen Xu, Amir Barati Farimani
We extend this paradigm by utilizing LLMs for material property prediction by introducing our model Materials Informatics Transformer (MatInFormer).
1 code implementation • 28 Aug 2023 • Chakradhar Guntuboina, Adrita Das, Parisa Mollaei, Seongwon Kim, Amir Barati Farimani
In this work, inspired by recent progress in Large Language Models (LLMs), we introduce PeptideBERT, a protein language model for predicting three key properties of peptides (hemolysis, solubility, and non-fouling).
1 code implementation • 4 Aug 2023 • Jong Hoon Park, Gauri Pramod Dalwankar, Alison Bartsch, Abraham George, Amir Barati Farimani
Then, the latent representations of the input data, produced from the pretrained autoencoder, is processed with a distinct inference head to infer either the fluid category (classification) or the fluid viscosity (regression) in a time-resolved manner.
1 code implementation • 28 Jun 2023 • Saurabh Patil, Zijie Li, Amir Barati Farimani
The Hyena operator is an operation that enjoys sub-quadratic complexity and state space model to parameterize long convolution that enjoys a global receptive field.
1 code implementation • NeurIPS 2023 • Zijie Li, Dule Shu, Amir Barati Farimani
These sub-functions are then evaluated and used to compute the instance-based kernel with an axial factorized scheme.
no code implementations • 16 May 2023 • Abraham George, Alison Bartsch, Amir Barati Farimani
Across the robotics field, quality demonstrations are an integral part of many control pipelines.
1 code implementation • 15 May 2023 • Cooper Lorsung, Zijie Li, Amir Barati Farimani
Solving Partial Differential Equations (PDEs) is the core of many fields of science and engineering.
1 code implementation • 10 Apr 2023 • Zhonglin Cao, Yuyang Wang, Cooper Lorsung, Amir Barati Farimani
Overall, our deep learning model is a fast, flexible, and accurate surrogate model to predict ion concentration profiles in nanoconfinement.
1 code implementation • NeurIPS 2023 • Parshin Shojaee, Kazem Meidani, Amir Barati Farimani, Chandan K. Reddy
Unlike conventional decoding strategies, TPSR enables the integration of non-differentiable feedback, such as fitting accuracy and complexity, as external sources of knowledge into the transformer-based equation generation process.
1 code implementation • 3 Mar 2023 • Yuyang Wang, Changwen Xu, Zijie Li, Amir Barati Farimani
These results highlight the potential for leveraging denoise pretraining approaches to build more generalizable neural potentials for complex molecular systems.
1 code implementation • 2 Dec 2022 • Cooper Lorsung, Amir Barati Farimani
Current machine learning techniques often require substantial computational cost for training data generation, and are restricted in scope to the training data flow regime.
1 code implementation • 26 Nov 2022 • Dule Shu, Zijie Li, Amir Barati Farimani
Machine learning models are gaining increasing popularity in the domain of fluid dynamics for their potential to accelerate the production of high-fidelity computational fluid dynamics data.
1 code implementation • 25 Oct 2022 • Zhonglin Cao, Rishikesh Magar, Yuyang Wang, Amir Barati Farimani
Furthermore, we revealed that MOFormer can be more data-efficient on quantum-chemical property prediction than structure-based CGCNN when training data is limited.
1 code implementation • 29 Sep 2022 • Yue Jian, Yuyang Wang, Amir Barati Farimani
Fingerprint works on graph structure at the feature extraction stage, while GNNs directly handle molecule structure in both the feature extraction and model prediction stage.
no code implementations • 22 Sep 2022 • Abraham George, Alison Bartsch, Amir Barati Farimani
The use of human demonstrations in reinforcement learning has proven to significantly improve agent performance.
1 code implementation • 19 Sep 2022 • Keqin Wang, Alison Bartsch, Amir Barati Farimani
In this work, we introduce a Deep Reinforcement Learning (DRL) algorithm call Multi-Action Networks (MAN) Learning that addresses the challenge of high-dimensional large discrete action spaces.
no code implementations • 12 Sep 2022 • Yuyang Wang, Zijie Li, Amir Barati Farimani
Graph neural networks (GNNs), which are capable of learning representations from graphical data, are naturally suitable for modeling molecular systems.
1 code implementation • 3 Sep 2022 • Changwen Xu, Yuyang Wang, Amir Barati Farimani
Rigorous experiments on ten polymer property prediction benchmarks demonstrate the superior performance of TransPolymer.
no code implementations • 25 Jul 2022 • AmirPouya Hemmasian, Francis Ogoke, Parand Akbari, Jonathan Malen, Jack Beuth, Amir Barati Farimani
In this work, we create three datasets of single-trail processes using Flow-3D and use them to train a convolutional neural network capable of predicting the behavior of the three-dimensional thermal field of the melt pool solely by taking three parameters as input: laser power, laser velocity, and time step.
1 code implementation • 26 May 2022 • Zijie Li, Kazem Meidani, Amir Barati Farimani
Data-driven learning of partial differential equations' solution operators has recently emerged as a promising paradigm for approximating the underlying solutions.
no code implementations • 11 May 2022 • Francis Ogoke, Kyle Johnson, Michael Glinsky, Chris Laursen, Sharlotte Kramer, Amir Barati Farimani
Laser Powder Bed Fusion has become a widely adopted method for metal Additive Manufacturing (AM) due to its ability to mass produce complex parts with increased local control.
no code implementations • 4 May 2022 • Rishikesh Magar, Yuyang Wang, Amir Barati Farimani
Machine learning (ML) models have been widely successful in the prediction of material properties.
1 code implementation • 18 Feb 2022 • Yuyang Wang, Rishikesh Magar, Chen Liang, Amir Barati Farimani
On most benchmarks, the generic GNN pre-trained by iMolCLR rivals or even surpasses supervised learning models with sophisticated architecture designs and engineered features.
no code implementations • 26 Jan 2022 • Parand Akbari, Francis Ogoke, Ning-Yu Kao, Kazem Meidani, Chun-Yu Yeh, William Lee, Amir Barati Farimani
In this work, we introduced a comprehensive framework for benchmarking ML for melt pool characterization.
1 code implementation • 6 Dec 2021 • Zijie Li, Kazem Meidani, Prakarsh Yadav, Amir Barati Farimani
Molecular Dynamics (MD) simulation is a powerful tool for understanding the dynamics and structure of matter.
1 code implementation • 30 Nov 2021 • Rishikesh Magar, Yuyang Wang, Cooper Lorsung, Chen Liang, Hariharan Ramasubramanian, Peiyuan Li, Amir Barati Farimani
Inspired by the success of data augmentations in computer vision and natural language processing, we developed AugLiChem: the data augmentation library for chemical structures.
1 code implementation • ICLR 2022 • Zijie Li, Tianqin Li, Amir Barati Farimani
Our model, Temporal Point cloud Upsampling GAN (TPU-GAN), can implicitly learn the underlying temporal coherence from point cloud sequence, which in turn guides the generator to produce temporally coherent output.
no code implementations • ICLR 2022 • Tianqin Li, Zijie Li, Andrew Luo, Harold Rockwell, Amir Barati Farimani, Tai Sing Lee
To test our proposal, we show in a few-shot image generation task, that having a prototype memory during attention can improve image synthesis quality, learn interpretable visual concept clusters, as well as improve the robustness of the model.
1 code implementation • 9 Jul 2021 • Pranshu Pant, Ruchit Doshi, Pranav Bahl, Amir Barati Farimani
Reduced Order Modelling (ROM) has been widely used to create lower order, computationally inexpensive representations of higher-order dynamical systems.
1 code implementation • 26 Apr 2021 • Yayati Jadhav, Amir Barati Farimani
In this work, we provide a deep-learning framework that extracts relevant information from real-world videos of highly stochastic systems, with no prior knowledge and distills the underlying governing equation representing the system.
no code implementations • 8 Mar 2021 • Yilang Liu, Amir Barati Farimani
Comparing to conventional control strategies, the snake robots controlled by the trained PPO agent can achieve faster movement and more energy-efficient locomotion gait.
1 code implementation • 19 Feb 2021 • Yuyang Wang, Jianren Wang, Zhonglin Cao, Amir Barati Farimani
In this work, we present MolCLR: Molecular Contrastive Learning of Representations via Graph Neural Networks (GNNs), a self-supervised learning framework that leverages large unlabeled data (~10M unique molecules).
no code implementations • 29 Jan 2021 • Francis Ogoke, Amir Barati Farimani
Powder-based additive manufacturing techniques provide tools to construct intricate structures that are difficult to manufacture using conventional methods.
no code implementations • 19 Jan 2021 • Yuyang Wang, Zhonglin Cao, Amir Barati Farimani
Structure and geometry optimization of nanopores on such materials is beneficial for their performances in real-world engineering applications, like water desalination.
no code implementations • 12 Jan 2021 • Yuyang Wang, Kenji Shimada, Amir Barati Farimani
Our model can (1) encode the existing airfoil into a latent vector and reconstruct the airfoil from that, (2) generate novel airfoils by randomly sampling the latent vectors and mapping the vectors to the airfoil coordinate domain, and (3) synthesize airfoils with desired aerodynamic properties by optimizing learned features via a genetic algorithm.
no code implementations • 1 Jan 2021 • Zijie Li, Amir Barati Farimani
We present a data-driven model for fluid simulation under Lagrangian representation.
no code implementations • 3 Dec 2020 • Francis Ogoke, Kazem Meidani, Amirreza Hashemi, Amir Barati Farimani
The ability of the method to predict global properties from spatially irregular measurements with high accuracy is demonstrated by predicting the drag force associated with laminar flow around airfoils from scattered velocity measurements.
1 code implementation • 21 Oct 2020 • Pranshu Pant, Amir Barati Farimani
Large Eddy Simulation (LES) presents a more computationally efficient approach for solving fluid flows on lower-resolution (LR) grids but results in an overall reduction in solution fidelity.
no code implementations • 20 Oct 2020 • Kazem Meidani, Amir Barati Farimani
Many scientific phenomena are modeled by Partial Differential Equations (PDEs).
1 code implementation • 5 Oct 2020 • Rishikesh Magar, Lalit Ghule, Junhan Li, Yang Zhao, Amir Barati Farimani
In this work, we analyze vibration signal data of mechanical systems with bearings by combining different signal processing methods and coupling them with machine learning techniques to classify different types of bearing faults.
Ranked #3 on Classification on CWRU Bearing Dataset (using extra training data)
no code implementations • 14 Aug 2020 • Mohammadreza Karamad, Rishikesh Magar, Yuting Shi, Samira Siahrostami, Ian D. Gates, Amir Barati Farimani
We benchmarked the performance of the OGCNN model with that of: 1) the crystal graph convolutional neural network (CGCNN), 2) other state-of-the-art descriptors for material representations including Many-body Tensor Representation (MBTR) and the Smooth Overlap of Atomic Positions (SOAP), and 3) other conventional regression machine learning algorithms where different crystal featurization methods have been used.
1 code implementation • 13 May 2020 • Changlin Jiang, Amir Barati Farimani
We developed a general deep learning framework, FluidGAN, capable of learning and predicting time-dependent convective flow coupled with energy transport.
no code implementations • 18 Mar 2020 • Rishikesh Magar, Prakarsh Yadav, Amir Barati Farimani
The fast and untraceable virus mutations take lives of thousands of people before the immune system can produce the inhibitory antibody.
no code implementations • 18 Jan 2020 • Juan Vargas, Lazar Andjelic, Amir Barati Farimani
Actor critic methods with sparse rewards in model-based deep reinforcement learning typically require a deterministic binary reward function that reflects only two possible outcomes: if, for each step, the goal has been achieved or not.
no code implementations • 16 Oct 2019 • Juan Carlos Vargas, Malhar Bhoite, Amir Barati Farimani
This capability of DRL generates more human-like behaviour and intelligence when applied to the robots.
no code implementations • 24 Jul 2018 • Rishi Sharma, Amir Barati Farimani, Joe Gomes, Peter Eastman, Vijay Pande
In typical machine learning tasks and applications, it is necessary to obtain or create large labeled datasets in order to to achieve high performance.
no code implementations • 23 Mar 2018 • Amir Barati Farimani, Joseph Gomes, Rishi Sharma, Franklin L. Lee, Vijay S. Pande
Phase segregation, the process by which the components of a binary mixture spontaneously separate, is a key process in the evolution and design of many chemical, mechanical, and biological systems.
no code implementations • 12 Mar 2018 • Evan N. Feinberg, Amir Barati Farimani, Rajendra Uprety, Amanda Hunkele, Gavril W. Pasternak, Susruta Majumdar, Vijay S. Pande
Computational chemists typically assay drug candidates by virtually screening compounds against crystal structures of a protein despite the fact that some targets, like the $\mu$ Opioid Receptor and other members of the GPCR family, traverse many non-crystallographic states.
no code implementations • 7 Sep 2017 • Amir Barati Farimani, Joseph Gomes, Vijay S. Pande
We have developed a new data-driven paradigm for the rapid inference, modeling and simulation of the physics of transport phenomena by deep learning.