Search Results - "Sigmund, Ole"
-
1
On the usefulness of non-gradient approaches in topology optimization
Published in Structural and multidisciplinary optimization (01-05-2011)“…Topology optimization is a highly developed tool for structural design and is by now being extensively used in mechanical, automotive and aerospace industries…”
Get full text
Journal Article -
2
Morphology-based black and white filters for topology optimization
Published in Structural and multidisciplinary optimization (01-04-2007)“…To ensure manufacturability and mesh independence in density-based topology optimization schemes, it is imperative to use restriction methods. This paper…”
Get full text
Journal Article -
3
Topology optimization of multi-scale structures: a review
Published in Structural and multidisciplinary optimization (01-03-2021)“…Multi-scale structures, as found in nature (e.g., bone and bamboo), hold the promise of achieving superior performance while being intrinsically lightweight,…”
Get full text
Journal Article -
4
A new generation 99 line Matlab code for compliance topology optimization and its extension to 3D
Published in Structural and multidisciplinary optimization (01-10-2020)“…Compact and efficient Matlab implementations of compliance topology optimization (TO) for 2D and 3D continua are given, consisting of 99 and 125 lines…”
Get full text
Journal Article -
5
Manufacturing tolerant topology optimization
Published in Acta mechanica Sinica (01-04-2009)“…In this paper we present an extension of the topology optimization method to include uncertainties during the fabrication of macro, micro and nano structures…”
Get full text
Journal Article -
6
Homogenization‐based topology optimization for high‐resolution manufacturable microstructures
Published in International journal for numerical methods in engineering (24-02-2018)“…Summary This paper presents a projection method to obtain high‐resolution, manufacturable structures from efficient and coarse‐scale homogenization‐based…”
Get full text
Journal Article -
7
Minimum compliance topology optimization of shell–infill composites for additive manufacturing
Published in Computer methods in applied mechanics and engineering (01-11-2017)“…Additively manufactured parts are often composed of two sub-structures, a solid shell forming their exterior and a porous infill occupying the interior. To…”
Get full text
Journal Article -
8
Infill Optimization for Additive Manufacturing—Approaching Bone-Like Porous Structures
Published in IEEE transactions on visualization and computer graphics (01-02-2018)“…Porous structures such as trabecular bone are widely seen in nature. These structures are lightweight and exhibit strong mechanical properties. In this paper,…”
Get full text
Journal Article -
9
A comprehensive review of educational articles on structural and multidisciplinary optimization
Published in Structural and multidisciplinary optimization (01-11-2021)“…Ever since the publication of the 99-line topology optimization MATLAB code (top99) by Sigmund in 2001, educational articles have emerged as a popular category…”
Get full text
Journal Article -
10
Closing the gap towards super-long suspension bridges using computational morphogenesis
Published in Nature communications (01-06-2020)“…Girder design for suspension bridges has remained largely unchanged for the past 60 years. However, for future super-long bridges, aiming at record-breaking…”
Get full text
Journal Article -
11
Topology optimization of microchannel heat sinks using a two-layer model
Published in International journal of heat and mass transfer (01-11-2019)“…•We have studied the velocity and temperature profiles in microchannel heat sinks.•We develop a two-layer 2D microchannel heat sink model for topology…”
Get full text
Journal Article -
12
On projection methods, convergence and robust formulations in topology optimization
Published in Structural and multidisciplinary optimization (01-06-2011)“…Mesh convergence and manufacturability of topology optimized designs have previously mainly been assured using density or sensitivity based filtering…”
Get full text
Journal Article -
13
Complementary lecture notes for teaching the 99/88-line topology optimization codes
Published in Structural and multidisciplinary optimization (01-11-2021)“…Sigmund’s 2001 educational paper with a self-contained 99-line MATLAB code had far-reaching impact to teaching and research of topology optimization. This…”
Get full text
Journal Article -
14
Minimum length scale in topology optimization by geometric constraints
Published in Computer methods in applied mechanics and engineering (15-08-2015)“…A density-based topology optimization approach is proposed to design structures with strict minimum length scale. The idea is based on using a…”
Get full text
Journal Article -
15
Buckling strength topology optimization of 2D periodic materials based on linearized bifurcation analysis
Published in Computer methods in applied mechanics and engineering (01-09-2018)“…Low density cellular materials may offer excellent mechanical properties and find wide applicability in lightweight design and infill structures for additive…”
Get full text
Journal Article -
16
Ultra-coherent nanomechanical resonators based on inverse design
Published in Nature communications (01-10-2021)“…Engineered micro- and nanomechanical resonators with ultra-low dissipation constitute a promising platform for various quantum technologies and foundational…”
Get full text
Journal Article -
17
Topology optimization of coated structures and material interface problems
Published in Computer methods in applied mechanics and engineering (15-06-2015)“…This paper presents a novel method for including coated structures and prescribed material interface properties into the minimum compliance topology…”
Get full text
Journal Article -
18
Length scale and manufacturability in density-based topology optimization
Published in Archive of applied mechanics (1991) (2016)“…Since its original introduction in structural design, density-based topology optimization has been applied to a number of other fields such as…”
Get full text
Journal Article -
19
On the non-optimality of tree structures for heat conduction
Published in International journal of heat and mass transfer (01-07-2018)“…•Tree-like structures are not optimal for thermal volume-to-point problems.•Lamellar, needle-like structures are the true optima for volume-to-point…”
Get full text
Journal Article -
20
Design of manufacturable 3D extremal elastic microstructure
Published in Mechanics of materials (01-02-2014)“…•3D microstructures with extremal elastic properties are presented.•The microstructures are manufacturable and robust w.r.t. geometric imperfections.•Example:…”
Get full text
Journal Article