2024

Fuhg, Jan N. ; Jadoon, Asghar ; Weeger, Oliver ; Seidl, D. Thomas ; Jones, Reese E. (2024)
Polyconvex neural network models of thermoelasticity.
In: Journal of the Mechanics and Physics of Solids, 192
doi: 10.1016/j.jmps.2024.105837
Artikel, Bibliographie

Shojaee, Mohammad ; Mohammadi, Hassan ; Weeger, Oliver (2024)
Nonlinear micromorphic Timoshenko beam modeling and vibration analysis of microstructured beams.
In: International Journal of Non-Linear Mechanics, 166
doi: 10.1016/j.ijnonlinmec.2024.104861
Artikel, Bibliographie

Kannapinn, Maximilian ; Schäfer, Michael ; Weeger, Oliver (2024)
TwinLab: a framework for data-efficient training of non-intrusive reduced-order models for digital twins.
In: Engineering Computations
doi: 10.1108/EC-11-2023-0855
Artikel, Bibliographie

Zhang, Mengjie ; Fan, Xiru ; Dong, Le ; Jiang, Chengru ; Weeger, Oliver ; Zhou, Kun ; Wang, Dong (2024)
Voxel design of grayscale DLP 3D‐printed soft robots.
In: Advanced Science
doi: 10.1002/advs.202309932
Artikel, Bibliographie

Klein, Dominik K. ; Ortigosa, Rogelio ; Martínez-Frutos, Jesús ; Weeger, Oliver (2024)
Nonlinear electro-elastic finite element analysis with neural network constitutive models.
In: Computer Methods in Applied Mechanics and Engineering, 425
doi: 10.1016/j.cma.2024.116910
Artikel, Bibliographie

Valizadeh, Iman ; Weeger, Oliver (2024)
Rate-dependent energy dissipation of graded viscoelastic structures fabricated by grayscale vat photopolymerization.
In: Smart Materials and Structures, 33 (6)
doi: 10.1088/1361-665X/ad442a
Artikel, Bibliographie

Shafqat, Abdullah ; Weeger, Oliver ; Xu, Bai-Xiang (2024)
A robust finite strain isogeometric solid-beam element.
In: Computer Methods in Applied Mechanics and Engineering, 426
doi: 10.1016/j.cma.2024.116993
Artikel, Bibliographie

Fuhg, Jan N. ; Jadoon, Ashgar ; Weeger, Oliver ; Seidl, D. Thomas ; Jones, Reese E. (2024)
Polyconvex neural network models of thermoelasticity.
In: ArXiv. Condensed Matter
doi: 10.48550/arXiv.2404.15562
Artikel, Bibliographie

Schäfer, Kilian ; Lutzi, Matthias ; Khan, Muhammad Bilal ; Schäfer, Lukas ; Dirba, Imants ; Bruns, Sebastian ; Valizadeh, Iman ; Weeger, Oliver ; Hartmann, Claas ; Kupnik, Mario ; Adabifiroozjaei, Esmaeil ; Molina-Luna, Leopoldo ; Skokov, Konstantin P. ; Gutfleisch, Oliver (2024)
Magneto-active composites with locally tailored stiffness produced by laser powder bed fusion.
In: Additive Manufacturing, 79
doi: 10.1016/j.addma.2023.103905
Artikel, Bibliographie

2023

Klein, Dominik K. ; Roth, Fabian J. ; Valizadeh, Iman ; Weeger, Oliver (2023)
Parametrized polyconvex hyperelasticity with physics-augmented neural networks.
In: Data-Centric Engineering, 4
doi: 10.1017/dce.2023.21
Artikel, Bibliographie

Shojaee, Mohammad ; Valizadeh, Iman ; Klein, Dominik K. ; Sharifi, Peyman ; Weeger, Oliver (2023)
Multiscale modeling of functionally graded shell lattice metamaterials for additive manufacturing.
In: Engineering with Computers
doi: 10.1007/s00366-023-01906-8
Artikel, Bibliographie

Franke, Marlon ; Klein, Dominik K. ; Weeger, Oliver ; Betsch, Peter (2023)
Advanced discretization techniques for hyperelastic physics-augmented neural networks.
In: Computer Methods in Applied Mechanics and Engineering, 416
doi: 10.1016/j.cma.2023.116333
Artikel, Bibliographie

Klein, Dominik K. ; Roth, Fabian J. ; Weeger, Oliver (2023)
Parametrised polyconvex hyperelasticity with physics-augmented neural networks.
doi: 10.48550/arXiv.2307.03463
Artikel, Bibliographie

Linden, Lennart ; Klein, Dominik K. ; Kalina, Karl A. ; Brummund, Jörg ; Weeger, Oliver ; Kästner, Markus (2023)
Neural networks meet hyperelasticity: a guide to enforcing physics.
In: Journal of the Mechanics and Physics of Solids
doi: 10.1016/j.jmps.2023.105363
Artikel, Bibliographie

Valizadeh, Iman ; Tayyarian, Tannaz ; Weeger, Oliver (2023)
Influence of process parameters on geometric and elasto-visco-plastic material properties in vat photopolymerization.
In: Additive Manufacturing, 72
doi: 10.1016/j.addma.2023.103641
Artikel, Bibliographie

Mistry, Yash ; Weeger, Oliver ; Morankar, Swapnil ; Shinde, Mandar ; Liu, Siying ; Chawla, Nikhilesh ; Chen, Xiangfan ; Penick, Clint A. ; Bhate, Dhruv (2023)
Bio-inspired selective nodal decoupling for ultra-compliant interwoven lattices.
In: Communications Materials, 4 (1)
doi: 10.1038/s43246-023-00363-6
Artikel, Bibliographie

Schäfer, Kilian ; Lutzi, Matthias ; Khan, Muhammad Bilal ; Schäfer, Lukas ; Skokov, Konstantin P. ; Dirba, Imants ; Bruns, Sebastian ; Valizadeh, Iman ; Weeger, Oliver ; Hartmann, Claas ; Kupnik, Mario ; Adabifiroozjaei, Esmaeil ; Molina-Luna, Leopoldo ; Gutfleisch, Oliver (2023)
Local stiffness tailoring of magneto-active composites produced by laser powder bed fusion.
doi: 10.48550/arXiv.2305.02643
Artikel, Bibliographie

Wiesheu, Michael ; Merkel, Melina ; Sittig, Tim ; Benke, Dimitri ; Fries, Max ; Schöps, Sebastian ; Weeger, Oliver ; Cortes Garcia, Idoia (2023)
How to build the optimal magnet assembly for magnetocaloric cooling: structural optimization with isogeometric analysis.
In: International Journal of Refrigeration
doi: 10.1016/j.ijrefrig.2023.04.014
Artikel, Bibliographie

Passieux, Jean‐Charles ; Bouclier, Robin ; Weeger, Oliver (2023)
Image‐based isogeometric twins of lattices with virtual image correlation for varying cross‐section beams.
In: International Journal for Numerical Methods in Engineering
doi: 10.1002/nme.7208
Artikel, Bibliographie

2022

Wiesheu, Michael ; Merkel, Melina ; Sittig, Tim ; Benke, Dimitri ; Fries, Max ; Schöps, Sebastian ; Weeger, Oliver ; Cortes Garcia, Idoia (2022)
How to Build the Optimal Magnet Assembly for Magnetocaloric Cooling: Structural Optimization with Isogeometric Analysis.
In: ArXiv e-prints
doi: 10.48550/arXiv.2212.06580
Artikel, Bibliographie

Weeger, Oliver ; Valizadeh, Iman ; Mistry, Yash ; Bhate, Dhruv (2022)
Inelastic finite deformation beam modeling, simulation, and validation of additively manufactured lattice structures.
In: Additive Manufacturing Letters, 4
doi: 10.1016/j.addlet.2022.100111
Artikel, Bibliographie

Klein, Dominik K. ; Ortigosa, Rogelio ; Martínez-Frutos, Jesús ; Weeger, Oliver (2022)
Finite electro-elasticity with physics-augmented neural networks.
In: Computer Methods in Applied Mechanics and Engineering, 400
doi: 10.1016/j.cma.2022.115501
Artikel, Bibliographie

Weeger, Oliver ; Schillinger, Dominik ; Müller, Ralf (2022)
Mixed isogeometric collocation for geometrically exact 3D beams with elasto-visco-plastic material behavior and softening effects.
In: Computer Methods in Applied Mechanics and Engineering, 399
doi: 10.1016/j.cma.2022.115456
Artikel, Bibliographie

Meyer, Guillaume ; Schelleis, Konstantin ; Weeger, Oliver ; Mittelstedt, Christian (2022)
Tensile specimen design proposal for truss-based lattice structures.
In: Mechanics of Advanced Materials and Structures
doi: 10.1080/15376494.2022.2097352
Artikel, Bibliographie

Do, Huy ; Veerajagadeshwar, Prabahar ; Sun, Fangbin ; Guo, Yujie ; Le, Anh Vu ; Weeger, Oliver ; Mohan, Rajesh Elara ; Nhan, Nguyen Huu Khanh ; Duc, Phan Van ; Vu, Minh Bui (2022)
Combined grid and heat conduction optimization for staircase cleaning robot path planning.
In: Automation in Construction, 141
doi: 10.1016/j.autcon.2022.104447
Artikel, Bibliographie

Mohammadi, Hassan ; Weeger, Oliver ; Shojaee, Mohammad (2022)
Isogeometric technique for dynamic instability analysis of nanocomposite folded plates based on higher-order shear deformation theory.
In: Thin-Walled Structures, 177
doi: 10.1016/j.tws.2022.109467
Artikel, Bibliographie

Valizadeh, Iman ; Weeger, Oliver (2022)
Parametric visco-hyperelastic constitutive modeling of functionally graded 3D printed polymers.
In: International Journal of Mechanical Sciences, 226
doi: 10.1016/j.ijmecsci.2022.107335
Artikel, Bibliographie

Do, Huy ; Vu Le, Anh ; Yi, Lim ; Hoong, Joel Chan Cheng ; Tran, Minh ; Van Duc, Phan ; Vu, Minh Bui ; Weeger, Oliver ; Mohan, Rajesh Elara (2022)
Heat conduction combined grid-based optimization method for reconfigurable pavement sweeping robot path planning.
In: Robotics and Autonomous Systems, 152
doi: 10.1016/j.robot.2022.104063
Artikel, Bibliographie

Fernández, Mauricio ; Fritzen, Felix ; Weeger, Oliver (2022)
Material modeling for parametric, anisotropic finite strain hyperelasticity based on machine learning with application in optimization of metamaterials.
In: International Journal for Numerical Methods in Engineering, 123 (2)
doi: 10.1002/nme.6869
Artikel, Bibliographie

Weeger, Oliver (2022)
Isogeometric sizing and shape optimization of 3D beams and lattice structures at large deformations.
In: Structural and Multidisciplinary Optimization, 65 (2)
doi: 10.1007/s00158-021-03131-7
Artikel, Bibliographie

2021

Klein, Dominik K. ; Fernández, Mauricio ; Martin, Robert J. ; Neff, Patrizio ; Weeger, Oliver (2021)
Polyconvex anisotropic hyperelasticity with neural networks.
In: Journal of the Mechanics and Physics of Solids, 159
doi: 10.1016/j.jmps.2021.104703
Artikel, Bibliographie

Valizadeh, Iman ; Aboud, Ahmad Al ; Dörsam, Edgar ; Weeger, Oliver (2021)
Tailoring of functionally graded hyperelastic materials via grayscale mask stereolithography 3D printing.
In: Additive Manufacturing, 47
doi: 10.1016/j.addma.2021.102108
Artikel, Bibliographie

Do, Huy ; Le, Anh Vu ; Weeger, Oliver ; Mohan, Rajesh Elara ; Guo, Yujie ; Tan, Nguyen Nhat ; Vu, Minh Bui ; Van Duc, Phan (2021)
Path planning for reconfigurable hTetro robot combining heat conduction-based and discrete optimization.
In: IEEE Access, 9
doi: 10.1109/ACCESS.2021.3112187
Artikel, Bibliographie

Weeger, Oliver (2021)
Numerical homogenization of second gradient, linear elastic constitutive models for cubic 3D beam-lattice metamaterials.
In: International Journal of Solids and Structures, 224
doi: 10.1016/j.ijsolstr.2021.03.024
Artikel, Bibliographie

Gärtner, Til ; Fernández, Mauricio ; Weeger, Oliver (2021)
Nonlinear multiscale simulation of elastic beam lattices with anisotropic homogenized constitutive models based on artificial neural networks.
In: Computational Mechanics, 68 (5)
doi: 10.1007/s00466-021-02061-x
Artikel, Bibliographie

Nader, Georges ; Quek, Yu Han ; Chia, Pei Zhi ; Weeger, Oliver ; Yeung, Sai-Kit (2021)
KnitKit: A flexible system for machine knitting of customizable textiles.
In: ACM Transactions on Graphics, 40 (4)
doi: 10.1145/3450626.3459790
Artikel, Bibliographie

Fernández, Mauricio ; Jamshidian, Mostafa ; Böhlke, Thomas ; Kersting, Kristian ; Weeger, Oliver (2021)
Anisotropic hyperelastic constitutive models for finite deformations combining material theory and data-driven approaches with application to cubic lattice metamaterials.
In: Computational Mechanics, 67 (2)
doi: 10.1007/s00466-020-01954-7
Artikel, Bibliographie

2020

Jamshidian, Mostafa ; Boddeti, Narasimha G. ; Rosen, David W. ; Weeger, Oliver (2020)
Multiscale modelling of soft lattice metamaterials: micromechanical nonlinear buckling analysis, experimental verification, and macroscale constitutive behaviour.
In: International Journal of Mechanical Sciences, 188
doi: 10.1016/j.ijmecsci.2020.105956
Artikel, Bibliographie

Do, Huy ; Tan, Ying Yi ; Ramos, Nathalie ; Kiendl, Josef ; Weeger, Oliver (2020)
Nonlinear isogeometric multiscale simulation for design and fabrication of functionally graded knitted textiles.
In: Composites Part B: Engineering, 202
doi: 10.1016/j.compositesb.2020.108416
Artikel, Bibliographie

Valizadeh, Iman ; Weeger, Oliver (2020)
Nonlinear multiscale simulation of instabilities due to growth of an elastic film on a microstructured substrate.
In: Archive of Applied Mechanics, 90 (11)
doi: 10.1007/s00419-020-01728-w
Artikel, Bibliographie

2019

Weeger, Oliver ; Narayanan, Bharath ; Dunn, Martin L. (2019)
Isogeometric shape optimization of nonlinear, curved 3D beams and beam structures.
In: Computer Methods in Applied Mechanics and Engineering, 345
doi: 10.1016/j.cma.2018.10.038
Artikel, Bibliographie

Geiss, Markus J. ; Boddeti, Narasimha ; Weeger, Oliver ; Maute, Kurt ; Dunn, Martin L. (2019)
Combined Level-Set-XFEM-Density Topology Optimization of 4D Printed Structures undergoing Large Deformation.
In: Journal of Mechanical Design, 141 (5)
doi: 10.1115/1.4041945
Artikel, Bibliographie

Weeger, Oliver ; Boddeti, Narasimha G. ; Yeung, Sai-Kit ; Kaijima, Sawako ; Dunn, Martin L. (2019)
Digital Design and Nonlinear Simulation for Additive Manufacturing of Soft Lattice Structures.
In: Additive Manufacturing, 25
doi: 10.1016/j.addma.2018.11.003
Artikel, Bibliographie

2018

Weeger, Oliver ; Yeung, Sai-Kit ; Dunn, Martin L. (2018)
Fully isogeometric modeling and analysis of nonlinear 3D beams with spatially varying geometric and material parameters.
In: Computer Methods in Applied Mechanics and Engineering, 342
doi: 10.1016/j.cma.2018.07.033
Artikel, Bibliographie

Dinh, Thi Hinh ; Weeger, Oliver ; Kaijima, Sawako ; Yeung, Sai-Kit (2018)
Prediction of mechanical properties of knitted fabrics under tensile and shear loading: mesoscale analysis using representative unit cells and its validation.
In: Composites Part B: Engineering, 148
doi: 10.1016/j.compositesb.2018.04.052
Artikel, Bibliographie

Weeger, Oliver ; Sakhaei, Amir Hosein ; Tan, Ying Yi ; Quek, Yu Han ; Lee, Tat Lin ; Yeung, Sai-Kit ; Kaijima, Sawako ; Dunn, Martin L. (2018)
Nonlinear multi-scale modelling, simulation and validation of 3D knitted textiles.
In: Applied Composite Materials, 25 (4)
doi: 10.1007/s10443-018-9702-4
Artikel, Bibliographie

Wang, Dong ; Li, Ling ; Serjouei, Ahmad ; Dong, Longteng ; Weeger, Oliver ; Gu, Guoying ; Ge, Qi (2018)
Controllable helical deformations on printed anisotropic composite soft actuators.
In: Applied Physics Letters, 112 (18)
doi: 10.1063/1.5025370
Artikel, Bibliographie

Ding, Zhen ; Weeger, Oliver ; Qi, H. Jerry ; Dunn, Martin L. (2018)
4D rods: 3D structures via programmable 1D composite rods.
In: Materials & Design, 137
doi: 10.1016/j.matdes.2017.10.004
Artikel, Bibliographie

Weeger, Oliver ; Narayanan, Bharath ; Dunn, Martin L. (2018)
Isogeometric collocation for nonlinear dynamic analysis of Cosserat rods with frictional contact.
In: Nonlinear Dynamics, 91 (2)
doi: 10.1007/s11071-017-3940-0
Artikel, Bibliographie

2017

Weeger, Oliver ; Narayanan, Bharath ; Lorenzis, Laura de ; Kiendl, Josef ; Dunn, Martin L. (2017)
An isogeometric collocation method for frictionless contact of Cosserat rods.
In: Computer Methods in Applied Mechanics and Engineering, 321
doi: 10.1016/j.cma.2017.04.014
Artikel, Bibliographie

2016

Weeger, Oliver ; Kang, Yue Sheng Benjamin ; Yeung, Sai-Kit ; Dunn, Martin L. (2016)
Optimal Design and Manufacture of Active Rod Structures with Spatially Variable Materials.
In: 3D Printing and Additive Manufacturing, 3 (4)
doi: 10.1089/3dp.2016.0039
Artikel, Bibliographie

Weeger, Oliver ; Yeung, Sai-Kit ; Dunn, Martin L. (2016)
Isogeometric collocation methods for Cosserat rods and rod structures.
In: Computer Methods in Applied Mechanics and Engineering, 316
doi: 10.1016/j.cma.2016.05.009
Artikel, Bibliographie

Weeger, Oliver ; Wever, Utz ; Simeon, Bernd (2016)
On the use of modal derivatives for nonlinear model order reduction.
In: International Journal for Numerical Methods in Engineering, 108 (13)
doi: 10.1002/nme.5267
Artikel, Bibliographie

2015

Cavallini, Nicola ; Weeger, Oliver ; Pauletti, M. Sebastian ; Martinelli, Massimiliano ; Antolín, Pablo (2015)
Effective Integration of Sophisticated Operators in Isogeometric Analysis with igatools.
In: Isogeometric Analysis and Applications 2014
doi: 10.1007/978-3-319-23315-4_9
Buchkapitel, Bibliographie

Pauley, Michael ; Nguyen, Dang-Manh ; Mayer, David ; Špeh, Jaka ; Weeger, Oliver ; Jüttler, Bert (2015)
The isogeometric segmentation pipeline.
In: Isogeometric Analysis and Applications 2014
doi: 10.1007/978-3-319-23315-4_3
Buchkapitel, Bibliographie

2014

Weeger, Oliver ; Wever, Utz ; Simeon, Bernd (2014)
Nonlinear frequency response analysis of structural vibrations.
In: Computational Mechanics, 54 (6)
doi: 10.1007/s00466-014-1070-9
Artikel, Bibliographie

2013

Weeger, Oliver ; Wever, Utz ; Simeon, Bernd (2013)
Isogeometric analysis of nonlinear Euler-Bernoulli beam vibrations.
In: Nonlinear Dynamics, 72 (4)
doi: 10.1007/s11071-013-0755-5
Artikel, Bibliographie