Conference Agenda

Wood material science and the strength of computer simulations - theory, model, simulation, test and experimental evidence

S. Svensson

University of Borås, Sweden

The influence of moisture transport models on the mechanical behavior of wood

S. Huč¹, U. Rodman¹, S. Svensson²

¹University of Ljubljana, Slovenia; ²University of Borås, Sweden

Thermodynamic modeling of kiln wood drying for energy efficiency and sustainability in forestry

E. Hajian¹, J. A. J. Huber¹, L. Hansson²

¹Luleå University of Technology, Sweden; ²Norwegian University of Science and Technology, Norway

Quantification of poplar veneer deformation for modeling wood drying processes

C. Kachouh, J. Viguier, S. Girardon, T. Marcel-Mathey, L. Denaud

Art et Métier Institute of Thechnology, LaBoMaP, France

Multiphase modeling of wood decay under fungal attack supported by LFNMR experiments

R. Dsouza¹, T. Belt², S. Fortino¹

¹VTT Technical research center Finland, Finland; ²Natural Resources Institute, Finland

Development and validation of a novel two-step hygroscopic deformation model for wood

B. Sandor, J. Tieben, R. Griffith

Holzforschung Austria, Austria

Comparing DVC tools for quantifying hygroscopic deformation in lignocellulosic tissues

K. Ulrich¹, F. Scheckenbach², T. M. Wong³, B. Zeller-Plumhoff^3,4, T. Masselter¹, T. Speck¹, L. Hesse^2,1

¹University of Freiburg, Germany; ²University of Hamburg, Germany; ³Helmholtz-Zentrum Hereon, Germany; ⁴University of Rostock, Germany

Modelling approaches for innovative tailored laminated timber

E. Serrano, H. Danielsson, P. Persson

Lund University, Sweden

Evaluation of stiffness properties of engineered wood products comparing resonance frequencies from experiments and finite element models

A. Olsson, A. Göthberg, M. Schweigler, M. Hu

Linnaeus University, Sweden

Detection of impaired adhesive bondline in CLT using experimental modal analysis and ultrasonic technique

P. Nop, V. Sebera, J. Tippner, J. Zlámal

Mendel University in Brno, Czech Republic

Investigation of imperfections in adhesive bondline in CLT using numerical modal analysis

V. Sebera, P. Nop, J. Tippner

Mendel University in Brno, Czech Republic

Seismic modelling approaches for platform type CLT structures

B. Azinović, L. Naumovski, T. Pazlar

Slovenian National Building and Civil Engineering Institute, Slovenia

Potential of hybrid Aspen and Poplar wood vibration damping properties

M. Irbe, A. Pupurs

Riga Technical University, Latvia

Application of complex material models in timber engineering design: illustration on curved cross-laminated timber and timber-concrete composite slabs

P. Grönquist

University of Stuttgart, Germany

Insights from a unified database of Norway spruce’s moisture-dependent orthotropic rheology

J. M. Maas, F. K. Wittel

ETH Zürich, Switzerland

A cellular model for the moisture-dependent rheonomic behavior of Norway spruce at the tissue scale

A. Ferrara, J. M. Maas, J. Amando de Barros, F. K. Wittel

ETH Zurich, Switzerland

Moisture-dependent rheological behavior of Norway spruce on the tissue scale

A. Ferrara, F. K. Wittel

ETH Zürich, Switzerland

Hierarchical multiscale modeling of mass transport in wood: linking molecular and continuum levels

K. Hackenstrass, N. Tabudlong Jonasson, H. Yu, S. Florisson, M. Wohlert

Uppsala Universitet, Sweden

Transport properties of pristine and transparent wood predicted by means of multiscale modeling inspired by continuum micromechanics

S. Scheiner, A. Thirion, M. Königsberger, C. Hellmich, J. Füssl

TU Wien, Austria

Mechanical properties of adhesive-free CLT with hardwood dowels for numerical prediction: experimental investigations on dowels and DCLT elements

S. Mansour, P. J. McGetrick

University of Galway, Ireland

The effect of slip stiffness on the behaviour of timber-concrete composite slabs

D. B. Merczel¹, M. Tantawi^1,2, J. Lógó²

¹ARC-S Innovation & Technology Ltd, Hungary; ²Budapest University of Technology, Hungary

Numerical modelling of adhesively bonded beech joints - effects of surface preparation methods

B. Azinović, L. Naumovski, M. Capuder, T. Pazlar

Slovenian National Building and Civil Engineering Institute, Slovenia

A finite element model for steel-CLT deconstructable connections

F. O'Donnell¹, B. Chen², S. Bhandari², J. Hajjar²

¹Swarthmore College, United States of America; ²Northeastern University, United States of America

Strategies for ductile connections in mid-rise timber buildings in context of a circular economy

A. Gerger, A. Fadai

TU Wien, Austria

Energetic formulations to simulate moisture-induced and mixed mode fracture in wood by the Representative Crack Element framework

D. Konopka, M. May, D. Supriatna, J. Storm, M. Kaliske

Technische Universität Dresden, Germany

Application of the connector beam lattice model for multiscale simulation of wood durability

S.-A. Brown^1,2, H. Yin², E. Lale², M. Troemner^1,2, G. Cusatis^1,2

¹Cusatis Computational Services, Inc.; ²Northwestern University

Deformation analysis of cross-laminated timber beams subjected to initial strains induced by moisture content variations

H. Wimmer¹, A. Tessler², K. Nachbagauer¹

¹Upper Austria University of Applied Sciences, Austria; ²NASA Langley Research Center, VA, USA

Numerical framework to assess the short- and long-term response of post-tensioned timber elements

C. Melchor-Placencia, C. Málaga-Chuquitaype

Imperial College London, United Kingdom

Influence of the load level on the long-term behaviour of timber beams

T. Hozjan, U. Rodman, S. Huč

University of Ljubljana, Slovenia

Comparative analysis of a comprehensive pyrolysis model and Eurocode 5 in evaluating fire resistance of timber components

B. Sandor, S. Polleres

Holzforschung Austria, Austria

Development of a technical specification on numerical design of timber structures – verification and validation of numerical models, analyses, and results

J. Töpler¹, A. S. Cao^2,3

¹Biberach University of Applied Sciences, Germany; ²Empa – Swiss Federal Laboratories for Materials Science and Technology, Switzerland; ³ETH Zurich, Switzerland

Methodology and case study on transferring the design methods from the Eurocodes to numerical design calculations with direct resistance check

J. Töpler¹, G. Hochreiner²

¹Biberach University of Applied Sciences, Germany; ²TU Wien, Austria

Bearing strength perpendicular to grain – EC5 model revised for birch wood

P. Schlotzhauer, S. Raskop, H. Militz

Georg-August-Universität Göttingen, Germany

Stability of wood pillars: Brazilian standards vs. experimental results

R. M. Brasil¹, A. M. Wahrhaftig²

¹University of Sao Paulo, Brazil; ²Federal University of Bahia, Brazil

Recent developments in the modelling of connections with dowel-type fasteners in timber structures with Beam-on-Foundation models

T. K. Bader, M. Schweigler

Linnaeus University, Sweden

Numerical and experimental analysis of beech wood shear lap joints under varying climatic conditions using thick 2K-epoxy and polymer mortar interfaces

P. L. Ditzel, C. Tapia Camú, P. Grönquist

University of Stuttgart, Germany

Numerical assessment of brittle failures in dowel-type timber connections under in-plane multiaxial loading and bending moment

C. D. Aquino¹, M. Schweigler², L. G. Rodrigues³, L. C. da Silva⁴, J. M. Branco¹, T. K. Bader²

¹University of Minho, Portugal; ²Linnaeus University, Sweden; ³XAIS-PTS Ltd, United Kingdom; ⁴Politecnico di Milano, Italy

Numerical and fracture mechanics-based simulation of crack propagation in moment-resisting dowelled timber connections

C. D. Aquino¹, L. C. da Silva², M. Schweigler³, L. G. Rodrigues⁴, J. M. Branco¹, T. K. Bader³

¹University of Minho, Portugal; ²Politecnico di Milano, Italy; ³Linnaeus University, Sweden; ⁴XAIS-PTS Ltd, United Kingdom

Hygro-thermo-mechanical behavior of a scaled timber composite (softwood and hardwood) column-to-slab connection: experimental and numerical study.

R. N. Fararoni Platas, S. Gambarelli, J. Bosnjak

Stuttgart University, Germany

Numerical investigations on timber peg joints

J. Pełczyński, K. Wasilewski

Warsaw University of Technology, Poland

Stiffness, ductility and load-bearing capacity of nails in TCC connections using a combination of beam on foundation model and static equilibrium of fasteners in deformed state – analytical, numerical and experimental study

J. Pyykkö^1,2, S. Svensson¹

¹University of Borås, Sweden; ²Uppsala University, Sweden

Numerical study of moisture profiles in dowel timber connections

W. Mmari¹, M. Schweigler¹, B. Johannesson¹, R. Lemaître²

¹Linnaeus University, Sweden; ²CERIB Fire Testing Centre, France

3D and 4D X-ray CT imaging for static and dynamic testing of wood to feed computational research

J. Van den Bulcke^1,2, T. Gheyle^1,2, B. Chen^1,2, I. Josipovic^2,3, M. Boone^2,3, L. Van Hoorebeke^2,3, J. Van Acker^1,2

¹Ghent University, Belgium; ²Center for X-ray Tomography, Ghent, Belgium; ³UGent–Radiation Physics, Department of Physics and Astronomy, Ghent, Belgium

A study on the compression behavior of wood using 4D X-ray μCT and digital image correlation

B. Chen, T. Gheyle, I. Josipovic, M. Boone, W. Van Paepegem, J. Van Acker, J. Van den Bulcke

Ghent University, Belgium

X-ray tomography-based simulation of the plastic behaviour of scratched pine wood

S. Fortino¹, H. Ronkainen¹, V. Balobanov¹, T. Harjupatana², A. Miettinen²

¹VTT Technical Research Centre of Finland Ltd, Finland; ²University of Jyväskylä

Effect of cell wall architecture and heterogeneity on elastic properties of softwoods and hardwoods: microstructure generation and finite element modeling

J. Hofegger, M. Königsberger, S. Pech, J. Füssl

TU Wien, Austria

Exploring the impact of delignification and polymer infiltration on wood cell wall properties using Nanoindentation

J. Schindler¹, M. Königsberger¹, L. Zelaya-Lainez¹, A. Mariani², D. Nuvoli², J. Füssl¹

¹TU Wien, Austria; ²University of Sassari, Italy

Micromechanics modeling of pulp fibers and validation with single fiber tensile Experiments

G. Unsinn^1,2, M. Königsberger^1,2, L. Zelaya-Lainez^1,2, T. Harter^1,2, U. Hirn^1,2, J. Füssl^1,2, M. Lukacevic^1,2

¹TU Wien, Austria; ²Christian Doppler Laboratory for Next-Generation Wood-Based Biocomposite, Austria

Transverse elastic wood properties of miniature wood samples using dynamic modal tests – possibilities and limitations

M. Perstorper^1,2

¹Karlstad University, Sweden; ²Limab AB, Sweden

Uncertainties and challenges concerning the determination of input parameters for modelling

C. Sandhaas

Karlsruhe Institute of Technology, Germany

Modeling of wood forming by use of non-linear finite-element technologies

R. Fleischhauer, D. P. Rahmi, M. Kaliske

Technische Universität Dresden, Germany

An anisotropic plastic-brittle constitutive model: spruce wood under various loading scenarios

D. P. Rahmi, R. Fleischhauer, M. Kaliske

Institute for Structural Analysis, Technische Universität Dresden, Germany

Numerical modeling and sensitivity analysis of unidirectional strand board (USB) for structural applications

A. Ghazanfari, B. Kromoser

University of Natural Resources and Life Sciences (BOKU), Austria

Approximatioh to the explicit formulation of the Tsai-Hill criterion

R. Quinteros-Mayne, I. de Arteaga Jordá, J. M. Cabrero Ballarín

Universidad de Navarra, Spain

Real time prediction of NVH behavior of steel-wood hybrid structures in automotive engineering by Model Order Reduction

M. Wagner¹, A. Pasquale², A. Schmid¹, S. R. Iturra³, F. Chinesta³, F. Feist¹

¹Graz University of Technology, Austria; ²Duoverse; ³ENSAM Institute of Technology, PIMM Lab

Characterization and reconstruction of the statistically inhomogeneous mesostructure of Moso bamboo

L. Speichinger¹, R. Förster², T. Böhlke¹

¹Karlsruhe Institute of Technology (KIT), Germany; ²Berliner Hochschule für Technik (BHT), Germany

Multiscale modeling of the elastic properties of bamboo culm

C. Dai¹, M. Mokarizadehhaghighishirazi¹, M. Khajouei-Nezhad²

¹The University of British Columbia, Canada; ²Tolko Industries Ltd, Canada

Reliable micromechanical data of wood: a critical analysis on micropillar compression

J. O. Amando de Barros, F. K. Wittel

ETH Zürich, Switzerland

Combination of experiments and multiscale micromechanical models for stiffness of hardwood

E. Binder¹, A. Thirion², Z. Shehadeh¹, K. Markus², T. K. Bader¹

¹Linnaeus University, Sweden; ²TU Wien, Austria

Deep Eshelby Network: an AI framework for multiscale mean-field homogenization with arbitrary inclusion shapes

M. Schwaighofer, M. Königsberger, S. Pech, M. Lukacevic, J. Füssl

TU Wien, Austria

Quantifying uncertainty in mode I wood fracture using likelihood-based methods

J. Jonasson, J. Lindström, H. Danielsson, E. Serrano

Lund University, Sweden

Macroscale modeling of wood fracture utilizing the phase field approach

S. Pech, M. Lukacevic, J. Füssl

TU Wien, Austria

Numerical modelling of stitching-enhanced wood-based laminates

M. Wagner, G. Bauman, F. Feist

Graz University of Technology, Austria

The effect of loading rate and moisture content on the fracture toughness of spruce wood

M. Hassan Vand, V. Sebera, D. Děcký

Mendel University, Czech Republic

Characterization of mode II fracture behaviour of hybrid spruce-beech glue lines: a non-symmetric ENF-test as foundation for a cohesive zone model

K. Zechmeister¹, M. Riegler¹, M. Derbas¹, B. Kromoser²

¹Competence Centre for Wood Composites and Wood Chemistry, Austria; ²University of Natural Resources and Life Sciences Vienna, Austria

Hybrid numerical-analytical homogenisation of wooden board stiffness capturing intra-stem microstructural variations across multiple scales

A. Thirion, M. Königsberger, S. Pech, J. Füssl

TU Wien, Austria

Micromechanics of transparent wood: how delignification and polymer infiltration affect wood stiffness

M. Königsberger, S. Scheiner, J. Füssl

TU Wien, Austria

Optical scattering study in transparent wood using numerical simulation, analytical study and deep learning

B. Chen¹, S. Popov², L. Berglund¹

¹Wallenberg Wood Science Center, Department of Fibre and Polymer Technology, KTH Royal Institute of Technology; ²SCI school, Applied Physics Department, KTH Royal Institute of Technology

From paper to FE fiber network model: a multiscale approach to understand paper mechanics

G. Kloppenburg¹, C. Czibula², U. Hirn², J. Neumann¹, J.-W. Simon¹

¹University of Wuppertal, Germany; ²Graz University of Technology, Austria

A design verification concept for paper and cellulose-based materials in load-bearing applications

H. H. Hoffmann^1,2, M. Baitinger^3,4, M. A. Kraus¹

¹TU Darmstadt, Germany; ²Verrotec GmbH, Germany; ³Hochschule RheinMain, Germany; ⁴Contura Ingenieure GmbH, Germany

Failure modelling of timber frame diaphragms using a sheathing-to-framing connection model based on orthotropic multilinear damage evolution laws

D. Byloos, T. Engelen, B. Vandoren

Hasselt University, Belgium

Failure analysis of Cross Laminated Timbers using an efficient layerwise model

G. Blondet, J. Bleyer, A. Lebée

Navier, ENPC, Institut Polytechnique de Paris, Univ Gustave Eiffel, CNRS, France

Influence of segmented discrete modeling and interaction types on simulating multilayered OSB wall elements

J. Belz, B. Kromoser

University of Natural Resources and Life Sciences Vienna (BOKU University), Austria

Numerical analysis of the single cube apparatus for shear testing applied on Norway spruce in the transverse plane

T. Király, J. Garab, L. Bejó

University of Sopron, Hungary

A numerical study of a wood-based energy absorbing structure inspired by nature

F. Feist¹, M. Pramreiter², M. Wagner¹, G. Baumann¹, U. Müller²

¹Graz University of Technology, Austria; ²University of Natural Resources, Austria

A volumetric growth material model for naturally shaped timber models based on GSBIGA

F. Spahn, F. Kolisch, K. Moreno Gata, M. Trautz, S. Klinkel

RWTH Aachen University, Germany

Integrating nondestructive diagnostics and biomechanical modeling to assess urban tree stability: A case study on sequoiadendron giganteum

C. Linhares^1,2,3, R. Golçalves⁴, M. Ruy⁵, A. Dias^1,3, L. Martins², S. Knapic^1,3

¹University of Coimbra, Portugal; ²University of Trás-os-Montes and Alto Douro, Portugal; ³SERQ - Innovation and Competence Forest Centre, Portugal; ⁴University of Campinas, Brazil; ⁵University of Santiago de Compostela, Spain

The hyped concept of curved-plank structures (“Bohlenträger”) - primarily a matter of nonlinearities and adequate structural modelling

G. Hochreiner

TU Wien, Austria

Numerical analysis of glulam beams using advanced one-dimensional finite elements

R. Augello, E. Carrera

Politecnico di Torino, Italy

Ensuring constant structural reliability for glued laminated timber beams across various sizes using the finite weakest-link theory

C. Vida, M. Lukacevic, S. Pech, J. Füssl

TU Wien, Austria

Strip-laminated timber from recovered glulam beams – test results and challenges

A. Weidenhiller, A. Foller

Holzforschung Austria, Austria

Predicting the bending strength of GLT members with holes and notches – a FEM-based engineering approach

M. Detter, G. Hochreiner, J. Füssl

TU Wien, Austria

Experimental investigations and numerical modelling of CFRP reinforced GLT members to investigate catenary action in post and beam timber buildings

L. Esser, A. Frangi

ETH Zürich, Switzerland

Determination of 3D fiber orientations in timber boards using X-ray CT scanning and deep learning

O. Abdeljaber, A. Olsson, M. Hu

Linnaeus University, Sweden

FE modeling of timber boards integrating 3D fiber orientation data obtained from X-ray CT and deep learning

M. Hu, O. Abdeljaber, A. Olsson, W. Schirén

Linnaeus University, Sweden

Predicting localized bending stiffness of sawn timber using finite elements modelling after 3D fiber orientation reconstruction: a case study on a Douglas fir board

H. Penvern, G. Pot, J. Viguier

Arts et Métiers Sciences et Technologies, LaBoMaP, F-71250 Cluny, FRANCE

AI-based knot detection in CT scans of beech logs

J. Dienert¹, M. Huber², T. Brox¹, F. Brüchert²

¹University of Freiburg, Germany; ²Forest Research Institute of Baden-Wuerttemberg, Germany

A method for optimising the positioning of boards in glulam-like products

A. Weese, M. Frese, P. Dietsch

Karlsruhe Institute of Technology, Germany

Acoustic emission-based deduction of micromechanical mechanisms during cross-grain fracture: experiments to support multi-scale modeling

E. N. Landis, P. Belalpour Dastjerdi

University of Maine, United States of America