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A preliminary iterative 3D meso-scale structural model of the femur was developed, in which bar and shell elements were used to represent trabecular and cortical bone respectively. The cross-sectional areas of the bar elements and the…

Medical Physics · Physics 2012-03-01 Andrew T. M. Phillips

3D ultrasound imaging shows great promise for scoliosis diagnosis thanks to its low-costing, radiation-free and real-time characteristics. The key to accessing scoliosis by ultrasound imaging is to accurately segment the bone area and…

Image and Video Processing · Electrical Eng. & Systems 2020-10-09 Zixun Huang , Li-Wen Wang , Frank H. F. Leung , Sunetra Banerjee , De Yang , Timothy Lee , Juan Lyu , Sai Ho Ling , Yong-Ping Zheng

Porous structures such as trabecular bone are widely seen in nature. These structures exhibit superior mechanical properties whilst being lightweight. In this paper, we present a method to generate bone-like porous structures as lightweight…

Graphics · Computer Science 2018-05-01 Jun Wu , Niels Aage , Ruediger Westermann , Ole Sigmund

Improving energy efficiency in industrial production processes is crucial for competitiveness, and compliance with climate policies. This paper introduces a data-driven approach to identify optimal melting patterns in induction furnaces.…

Machine Learning · Computer Science 2024-01-11 Daniel Anthony Howard , Bo Nørregaard Jørgensen , Zheng Ma

The saddle-to-scission dynamics of the induced fission process is explored using a microscopic finite-temperature model based on time-dependent nuclear density functional theory (TDDFT), that allows to follow the evolution of local…

Nuclear Theory · Physics 2023-07-27 B. Li , D. Vretenar , Z. X. Ren , T. Nikšić , J. Zhao , P. W. Zhao , J. Meng

Additive manufacturing (AM) of titanium (Ti) and Ti-6Al-4V lattices has been proposed for bone implants and augmentation devices. Ti and Ti-6Al-4V have favourable biocompatibility, corrosion resistance and fatigue strength for bone…

Materials Science · Physics 2022-09-28 Martine McGregor , Sagar Patel , Stewart McLachlin , Mihaela Vlasea

In this study, in order to reduce the local high temperature of the platform in inertial navigation system (PINS), a pin-fin heat sink with staggered arrangement is designed. To reduce the dimension of the inputs and improve the efficiency…

Computational Engineering, Finance, and Science · Computer Science 2018-11-13 Xin Luo , Fengtao Xu , Ting Wang , Hu Wang , Yang Zeng

We develop a technique for predicting the Curie temperature of magnetic materials using density functional theory calculations suitable to include in high-throughput frameworks. We apply four different models, including physically relevant…

Plain radiography is the most common modality to assess the stage of osteoarthritis. Our aims were to assess the relationship of radiography-based bone density and texture between radiographs with minimal and clinical post-processing, and…

Medical Physics · Physics 2019-02-07 Jukka Hirvasniemi , Jaakko Niinimäki , Jérôme Thevenot , Simo Saarakkala

Mechanical compliance is a key design parameter for dynamic contact-rich manipulation, affecting task success and safety robustness over contact geometry variation. Design of soft robotic structures, such as compliant fingers, requires…

Robotics · Computer Science 2025-09-15 Richard Matthias Hartisch , Alexander Rother , Jörg Krüger , Kevin Haninger

We implement and benchmark the frozen core approximation, a technique commonly adopted in electronic structure theory to reduce the computational cost by means of mathematically fixing the chemically inactive core electron states. The…

Materials Science · Physics 2021-06-14 Victor Wen-zhe Yu , Jonathan Moussa , Volker Blum

We present a novel method for characterizing the microstructure of a material from volumetric datasets such as 3D image data from computed tomography (CT). The method is based on a new statistical model for the distribution of voxel…

Materials Science · Physics 2021-01-06 Elise Otterlei Brenne , Vedrana Andersen Dahl , Peter Stanley Jørgensen

We present a novel methodology to detect imperfect bilateral symmetry in CT of human anatomy. In this paper, the structurally symmetric nature of the pelvic bone is explored and is used to provide interventional image augmentation for…

Computer Vision and Pattern Recognition · Computer Science 2020-09-29 Javad Fotouhi , Giacomo Taylor , Mathias Unberath , Alex Johnson , Sing Chun Lee , Greg Osgood , Mehran Armand , Nassir Navab

The purpose of this paper is to help the anesthesiologist to find the epidural depth automatically to make the first attempt to enter the path of the needle into the patient's body while it is clogged with bone and avoid causing a puncture…

Image and Video Processing · Electrical Eng. & Systems 2023-12-11 Farhad Piri , Sima Sobhiyeh , Amir H. Rezaie , Faramarz Mosaffa

Summers osteotomy is a technique used to increase bone height and to improve bone density in dental implant surgery. The two main risks of this surgery, which is done by impacting an osteotome in bone tissue, are i) to perforate the sinus…

In this work, we employ a soft-sphere discrete element method with a cohesion implementation to model the dynamical process of sub-km-sized cohesive rubble piles under continuous spinup. The dependencies of critical spin periods $T_c$ on…

Earth and Planetary Astrophysics · Physics 2021-02-24 Shoucun Hu , Derek C. Richardson , Yun Zhang , Jianghui Ji

The mechanical characterization of brain tissue at high loading velocities is vital for understanding and modeling Traumatic Brain Injury (TBI). The most severe form of TBI is diffuse axonal injury (DAI) which involves damage to individual…

Biological Physics · Physics 2013-02-19 Badar Rashid , Michel Destrade , Michael Gilchrist

We propose a software platform that integrates methods and tools for multi-objective parameter auto- tuning in tissue image segmentation workflows. The goal of our work is to provide an approach for improving the accuracy of nucleus/cell…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-10-09 Luis F. R. Taveira , Tahsin Kurc , Alba C. M. A. Melo , Jun Kong , Erich Bremer , Joel H. Saltz , George Teodoro

We aim to investigate relationships between select processing parameters or inputs (composition, temperature, annealing time) and two structural parameters, specifically, the mean radius and volume fraction of the Fe$_3$Si nanocrystals. To…

Materials Science · Physics 2018-09-05 Rajesh Jha , Nirupam Chakraborti , David Diercks , Aaron Stebner , Cristian V. Ciobanu

Magnetic robotics obviate the physical connections between the actuators and end effectors resulting in ultra-minimally invasive surgeries. Even though such a wireless actuation method is highly advantageous in medical applications, the…

Robotics · Computer Science 2021-07-06 Onder Erin , Xiaolong Liu , Jiawei Ge , Lamar Mair , Yotam Barnoy , Yancy Diaz-Mercado , Axel Krieger