Combined shape and topology optimization of 3D structures

AN Christiansen, JA Bærentzen… - Computers & …, 2015 - Elsevier
We present a method for automatic generation of 3D models based on shape and topology
optimization. The optimization procedure, or model generation process, is initialized by a set …

Topology optimization using an explicit interface representation

AN Christiansen, M Nobel-Jørgensen, N Aage… - Structural and …, 2014 - Springer
Abstract We introduce the Deformable Simplicial Complex method to topology optimization
as a way to represent the interface explicitly yet being able to handle topology changes …

Improvements to the ABSINTH force field for proteins based on experimentally derived amino acid specific backbone conformational statistics

JM Choi, RV Pappu - Journal of chemical theory and computation, 2019 - ACS Publications
We present an improved version of the ABSINTH implicit solvation model and force field
paradigm (termed ABSINTH-C) by incorporating a grid-based term that bootstraps against …

Tetsphere splatting: Representing high-quality geometry with lagrangian volumetric meshes

M Guo, B Wang, K He, W Matusik - ar** of 3D surfaces
GJ Verhoeven - Journal of Archaeological Method and Theory, 2017 - Springer
In various disciplines, particularly those that utilise techniques developed in the
geosciences, the display, analysis and interpretation of three-dimensional (3D) data is very …

Development and evaluation of CT-to-3D ultrasound image registration algorithm in vertebral phantoms for spine surgery

A Chan, B Coutts, E Parent, E Lou - Annals of Biomedical Engineering, 2021 - Springer
Posterior spinal fusion surgery requires careful insertion of screws into the spine to avoid
neurologic injury. While current systems use CT-scans, three-dimensional ultrasound …

[HTML][HTML] Digitizing the appearance of 3D printing materials using a spectrophotometer

A Pranovich, MR Hannemose, JN Jensen, DM Tran… - Sensors, 2024 - mdpi.com
The conventional approach to appearance prediction for 3D printed parts is to print a thin
slab of material and measure its reflectance or transmittance with a spectrophotometer …

3D ultrasound navigation system for screw insertion in posterior spine surgery: a phantom study

A Chan, E Parent, J Mahood, E Lou - International Journal of Computer …, 2022 - Springer
Purpose Posterior spinal fusion surgery is required to correct severe idiopathic scoliosis.
The surgery involves insertion of screws which requires high accuracy to prevent neurologic …

[HTML][HTML] Oblique view individual tree crown delineation

C Kempf, J Tian, F Kurz, P D'Angelo… - International Journal of …, 2021 - Elsevier
Individual tree crown (ITC) segmentation supports numerous applications in forest
management and ecology. In the latter context, special attention is dedicated to the study of …