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The structure of defect clusters formed in a displacement cascade plays a significant role in the micro-structural evolution during irradiation. Molecular dynamics simulations have been widely used to study collision cascades and subsequent…

计算物理 · 物理学 2024-02-02 Utkarsh Bhardwaj , Andrea E. Sand , Manoj Warrier

The defect morphology is an essential aspect of the evolution of crystals' microstructure and its response to stress. Existing methods either only report defect concentration or characterize only some of the defect morphologies. The need…

计算物理 · 物理学 2021-04-21 Utkarsh Bhardwaj , Andrea E. Sand , Manoj Warrier

The morphology of defects formed in collision cascades is an essential aspect of the subsequent evolution of the microstructure. The morphological composition of a defect decides its stability, interaction, and migration properties. We…

材料科学 · 物理学 2023-11-06 Utkarsh Bhardwaj , Andrea E. Sand , Manoj Warrier

Collider events with multi-stage cascade decays fill out the kinematically allowed region in phase space with a density that is enhanced at the boundary. The boundary encodes all available information about the spectrum and is well…

高能物理 - 唯象学 · 物理学 2017-03-08 Baris Altunkaynak , Can Kilic , Matthew D. Klimek

In the collider phenomenology of extensions of the Standard Model with partner particles, cascade decays occur generically, and they can be challenging to discover when the spectrum of new particles is compressed and the signal cross…

高能物理 - 唯象学 · 物理学 2023-08-04 Maaz Ul Haq , Can Kilic , Benjamin Lawrence-Sanderson , Ram Purandhar Reddy Sudha

The size and morphology of defect clusters formed during primary damage play a crucial role in the subsequent microstructural evolution of irradiated materials. Molecular dynamics (MD) simulations of collision cascades in tungsten (W) were…

材料科学 · 物理学 2025-09-05 M. Warrier , U. Bhardwaj

Structured prediction tasks pose a fundamental trade-off between the need for model complexity to increase predictive power and the limited computational resources for inference in the exponentially-sized output spaces such models require.…

机器学习 · 统计学 2012-08-17 David Weiss , Benjamin Sapp , Ben Taskar

The high structural deficient rate poses serious risks to the operation of many bridges and buildings. To prevent critical damage and structural collapse, a quick structural health diagnosis tool is needed during normal operation or…

应用统计 · 统计学 2018-12-10 Yizheng Liao , Anne S. Kiremidjian , Ram Rajagopal , Chin-Hsuing Loh

Time series classification is of significant importance in monitoring structural systems. In this work, we investigate the use of supervised machine learning classification algorithms on simulated data based on a physical system with two…

机器学习 · 计算机科学 2024-03-14 Ergys Çokaj , Halvor Snersrud Gustad , Andrea Leone , Per Thomas Moe , Lasse Moldestad

As essential components of the modern urban system, the health conditions of civil structures are the foundation of urban system sustainability and need to be continuously monitored. In Structural Health Monitoring (SHM), many existing…

应用统计 · 统计学 2018-12-18 Yizheng Liao , Ram Rajagopal

Information cascades exist in a wide variety of platforms on Internet. A very important real-world problem is to identify which information cascades can go viral. A system addressing this problem can be used in a variety of applications…

社会与信息网络 · 计算机科学 2016-06-21 Ruocheng Guo , Paulo Shakarian

As both computer vision models and biomedical datasets grow in size, there is an increasing need for efficient inference algorithms. We utilize cascade detectors to efficiently identify sparse objects in multiresolution images. Given an…

计算机视觉与模式识别 · 计算机科学 2025-05-01 Thomas L. Athey , Shashata Sawmya , Nir Shavit

Feature selection is a vital technique in machine learning, as it can reduce computational complexity, improve model performance, and mitigate the risk of overfitting. However, the increasing complexity and dimensionality of datasets pose…

机器学习 · 计算机科学 2024-07-24 Yuepeng Chen , Weiping Ding , Hengrong Ju , Jiashuang Huang , Tao Yin

Recent experiments on in-situ high-energy self-ion irradiation of tungsten (W) show the occurrence of unusual cascade damage effects resulting from single ion impacts, shedding light on the nature of radiation damage expected in the…

材料科学 · 物理学 2014-05-02 A. E. Sand , S. L. Dudarev , K. Nordlund

Pavement condition evaluation is essential to time the preventative or rehabilitative actions and control distress propagation. Failing to conduct timely evaluations can lead to severe structural and financial loss of the infrastructure and…

计算机视觉与模式识别 · 计算机科学 2020-12-18 Sadra Naddaf-Sh , M-Mahdi Naddaf-Sh , Amir R. Kashani , Hassan Zargarzadeh

We propose an online detection procedure for cascading failures in the network from sequential data, which can be modeled as multiple correlated change-points happening during a short period. We consider a temporal diffusion network model…

其他统计学 · 统计学 2021-02-09 Rui Zhang , Yao Xie , Rui Yao , Feng Qiu

Real-time safety systems are crucial components of intelligent vehicles. This paper introduces a prediction-based collision risk assessment approach on highways. Given a point mass vehicle dynamics system, a stochastic forward reachable set…

系统与控制 · 电气工程与系统科学 2022-05-04 Xinwei Wang , Zirui Li , Javier Alonso-Mora , Meng Wang

Cascades are ubiquitous in various network environments. How to predict these cascades is highly nontrivial in several vital applications, such as viral marketing, epidemic prevention and traffic management. Most previous works mainly focus…

社会与信息网络 · 计算机科学 2015-05-28 Linyun Yu , Peng Cui , Fei Wang , Chaoming Song , Shiqiang Yang

Subspace clustering, the task of clustering high dimensional data when the data points come from a union of subspaces is one of the fundamental tasks in unsupervised machine learning. Most of the existing algorithms for this task require…

机器学习 · 统计学 2020-10-28 Vishnu Menon , Gokularam M , Sheetal Kalyani

Clustering analysis identifies samples as groups based on either their mutual closeness or homogeneity. In order to detect clusters in arbitrary shapes, a novel and generic solution based on boundary erosion is proposed. The clusters are…

计算机视觉与模式识别 · 计算机科学 2018-04-16 Cheng-Hao Deng , Wan-Lei Zhao
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