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View article: Influence of contact constitutive equations on the vibro-impact response of structures
Influence of contact constitutive equations on the vibro-impact response of structures Open
View article: A novel interpolation scheme for strongly coupled multiphysics topology optimization with explicit sensitivity control
A novel interpolation scheme for strongly coupled multiphysics topology optimization with explicit sensitivity control Open
This work presents a novel interpolation scheme for sensitivity control in density-based multiphysics topology optimization, with a focus on acoustic structure interaction problems. We first demonstrate the necessity of the new interpolati…
View article: Arbitrary Boundary Conditions in Topology Optimization:Applications in Strongly Coupled Viscothermal Multiphysics
Arbitrary Boundary Conditions in Topology Optimization:Applications in Strongly Coupled Viscothermal Multiphysics Open
Density based topology optimization has proven to be a powerful framework for designing high-performance structures across a wide range of physical domains. However, a challenge in density based topology optimization is incorporating the i…
View article: Nonlinear dynamic substructuring in the frequency domain
Nonlinear dynamic substructuring in the frequency domain Open
View article: A practical review on promoting connectivity in topology optimization
A practical review on promoting connectivity in topology optimization Open
Topology optimization facilitates the automated design of high-performance structures across various engineering fields but, if unconstrained, often produces designs that are complex and difficult to manufacture. A key attribute of the res…
View article: Mode I fracture toughness maximization of low-density architected materials
Mode I fracture toughness maximization of low-density architected materials Open
View article: On the Effectiveness of Multigrid Preconditioned Iterative Method S for Large-Scale Frequency Response Topology Optimization Problems
On the Effectiveness of Multigrid Preconditioned Iterative Method S for Large-Scale Frequency Response Topology Optimization Problems Open
View article: From density to geometry: Instance segmentation for reverse engineering of optimized structures
From density to geometry: Instance segmentation for reverse engineering of optimized structures Open
View article: In silico medical device testing of anatomically and mechanically conforming patient-specific spinal fusion cages designed by full-scale topology optimisation
In silico medical device testing of anatomically and mechanically conforming patient-specific spinal fusion cages designed by full-scale topology optimisation Open
A full-scale topology optimisation formulation has been developed to automate the design of cages used in instrumented transforaminal lumbar interbody fusion. The method incorporates the mechanical response of the adjacent bone structures …
View article: Anatomically and mechanically conforming patient-specific spinal fusion cages designed by full-scale topology optimization
Anatomically and mechanically conforming patient-specific spinal fusion cages designed by full-scale topology optimization Open
View article: Simple incision and suture modeling on fixed structured grids
Simple incision and suture modeling on fixed structured grids Open
This paper presents a simple yet versatile approach to simulate skin incisions and suturing using nonlinear finite element analysis on a fixed structured grid with a spring-based suture model. Incisions and wounds are introduced by element…
View article: Structural Design Through Reinforcement Learning
Structural Design Through Reinforcement Learning Open
This paper introduces the Structural Optimization gym (SOgym), a novel open-source Reinforcement Learning (RL) environment designed to advance machine learning in Topology Optimization (TO). SOgym enables RL agents to generate physically v…
View article: Anatomically and mechanically conforming patient-specific spinal fusion cages designed by full-scale topology optimization
Anatomically and mechanically conforming patient-specific spinal fusion cages designed by full-scale topology optimization Open
Cage subsidence after instrumented lumbar spinal fusion surgery remains a significant cause of treatment failure, specifically for posterior or transforaminal lumbar interbody fusion. Recent advancements in computational techniques and add…
View article: Leveraging Machine Learning Algorithms for Efficient Optimization
Leveraging Machine Learning Algorithms for Efficient Optimization Open
View article: From Density to Geometry: YOLOv8 Instance Segmentation for Reverse Engineering of Optimized Structures
From Density to Geometry: YOLOv8 Instance Segmentation for Reverse Engineering of Optimized Structures Open
This paper introduces YOLOv8-TO, a novel approach for reverse engineering of topology-optimized structures into interpretable geometric parameters using the YOLOv8 instance segmentation model. Density-based topology optimization methods re…
View article: Topology optimization of transient vibroacoustic problems for broadband filter design using cut elements
Topology optimization of transient vibroacoustic problems for broadband filter design using cut elements Open
The focus of this article is on shape and topology optimization of transient vibroacoustic problems. The main contribution is a transient problem formulation that enables optimization over wide ranges of frequencies with complex signals, w…
View article: An Efficient Series Term Truncation Strategy for the First-Order Perturbation-Based Robust Topology Optimization of Composite Structures
An Efficient Series Term Truncation Strategy for the First-Order Perturbation-Based Robust Topology Optimization of Composite Structures Open
View article: Simple Incision and Suture Modeling on Fixed Structured Grids
Simple Incision and Suture Modeling on Fixed Structured Grids Open
View article: A non-dimensional time-domain lumped model for externally DC biased capacitive microphones with two electrodes
A non-dimensional time-domain lumped model for externally DC biased capacitive microphones with two electrodes Open
Microphones that utilize externally biased capacitive transduction (condenser microphones) are typically being modeled in lumped parameter networks where the mechanical, acoustical, and electrical elements are all represented as passive el…
View article: Efficient inverse-designed structural infill for complex engineering structures
Efficient inverse-designed structural infill for complex engineering structures Open
Inverse design of high-resolution and fine-detailed 3D lightweight mechanical structures is notoriously expensive due to the need for vast computational resources and the use of very fine-scaled complex meshes. Furthermore, in designing fo…
View article: Efficient Inverse-designed Structural Infill for Complex Engineering Structures
Efficient Inverse-designed Structural Infill for Complex Engineering Structures Open
Inverse design of high-resolution and fine-detailed 3D lightweight mechanical structures is notoriously expensive due to the need for vast computational resources and the use of very fine-scaled complex meshes. Furthermore, in designing fo…
View article: Topology optimization of transient vibroacoustic problems for broadband filter design using cut elements
Topology optimization of transient vibroacoustic problems for broadband filter design using cut elements Open
The focus of this article is on shape and topology optimization of transient vibroacoustic problems. The main contribution is a transient problem formulation that enables optimization over wide ranges of frequencies with complex signals, w…
View article: Simple and efficient GPU accelerated topology optimisation: Codes and applications
Simple and efficient GPU accelerated topology optimisation: Codes and applications Open
This work presents topology optimisation implementations for linear elastic compliance minimisation in three dimensions, accelerated using Graphics Processing Units (GPUs). Three different open-source implementations are presented for line…
View article: Substructural FRF based reduction technique for nonlinear systems
Substructural FRF based reduction technique for nonlinear systems Open
View article: Vibroacoustic Topology Optimization for Sound Transmission Minimization Through Sandwich Structures
Vibroacoustic Topology Optimization for Sound Transmission Minimization Through Sandwich Structures Open
View article: A Non-Dimensional Time-Domain Lumped Model for Externally Dc Biased Capacitive Microphones with Two Electrodes
A Non-Dimensional Time-Domain Lumped Model for Externally Dc Biased Capacitive Microphones with Two Electrodes Open
View article: On the validity of numerical models for viscothermal losses in structural optimization for micro-acoustics
On the validity of numerical models for viscothermal losses in structural optimization for micro-acoustics Open
The increasing interest in miniaturizing acoustic devices has made accurate and efficient models of acoustic viscous and thermal losses progressively more important. This is especially the case in micro-acoustic devices such as hearing aid…
View article: On the use of Artificial Neural Networks in Topology Optimisation
On the use of Artificial Neural Networks in Topology Optimisation Open
The question of how methods from the field of artificial intelligence can help improve the conventional frameworks for topology optimisation has received increasing attention over the last few years. Motivated by the capabilities of neural…
View article: Three dimensional vibroacoustic topology optimization of hearing instruments using cut elements
Three dimensional vibroacoustic topology optimization of hearing instruments using cut elements Open
The focus of this article is on level set based topology optimization of vibroacoustic hearing instruments. The goal is to demonstrate the applicability of the proposed framework for optimization of 3D industrial scale hearing instruments.…
View article: Synthesis of Frame Field-Aligned Multi-Laminar Structures
Synthesis of Frame Field-Aligned Multi-Laminar Structures Open
In the field of topology optimization, the homogenization approach has been revived as an important alternative to the established, density-based methods. Homogenization can represent microstructures at length scales decoupled from the res…