A5001648398- Textile materials and evaluations
- Mechanical Behavior of Composites
- Structural Analysis and Optimization
- Additive Manufacturing and 3D Printing Technologies
- Wood Treatment and Properties
- Structural Analysis of Composite Materials
- Natural Fiber Reinforced Composites
- Fiber-reinforced polymer composites
- Innovations in Concrete and Construction Materials
- Material Properties and Processing
- Shape Memory Alloy Transformations
- Dyeing and Modifying Textile Fibers
- Industrial Vision Systems and Defect Detection
- Civil and Structural Engineering Research
- Composite Material Mechanics
- Manufacturing Process and Optimization
- Structural Engineering and Vibration Analysis
- Engineering and Materials Science Studies
- Advanced Materials and Mechanics
- Tendon Structure and Treatment
- Optical measurement and interference techniques
- Non-Destructive Testing Techniques
- Knee injuries and reconstruction techniques
- Polymer composites and self-healing
- Structural Load-Bearing Analysis
Technische Universität Dresden
2016-2025
Institute of Textile Technology and Process Engineering
2021-2023
University of British Columbia
2010-2012
ETH Zurich
2007-2010
Institute for Biomedical Engineering
2009
Drape simulation of textiles is a field research, which known in the clothing sector for long time. The ongoing development high-performance composites made textile reinforcements and matrix materials focus interests on serial production many industrial sectors, such as aviation automotive industries. Challenges occur mainly technologies supplying concepts preform architecture shape. Research aims acceleration manufacturing reduction expensive pretests. Numerical models can help to improve...
The filament winding technique has evolved in recent decades moving from classical lathe-type towards with an increased number of degrees freedom using more complex equipment. These advancements complicate the selection optimum machine set-up for realization particular methods and correlating part designs. This is further complicated by variety approaches. In order to investigate existing equipment technologies regarding feasibility, operational economic aspects, different established...
Die Studie befasst sich mit dem Design und der Bewertung fortschrittlicher Mehrlagengewebe erforscht deren Potenzial, die Effizienz Zuverlässigkeit FVK-Herstellung zu verbessern. Durch numerische Simulationen in Entwicklungsphase wurden Trial-and-Error-Schritte eliminiert, was einen optimierten präzisen Prozess ermöglichte. Das maßgeschneiderte bietet ein verbessertes Verhältnis von Festigkeit Gewicht, eine erhöhte Ermüdungsfestigkeit anpassbare Eigenfrequenzen. Darüber hinaus ermöglicht...
The draping of textile semi-finished products for complex geometries is still prone to errors, e.g., wrinkles, gaps, and fiber undulations, leading reduced mechanical properties the composite. Reinforcing textiles made from carbon (CF) rovings (i.e., endless continuous fibers) can be draped mainly based on their ability deform under in-plane shearing. However, CF are hardly stretchable in direction. These limited degrees freedom make production shell-shaped standard CF-roving fabrics...
A coreless manufacturing process for generic 3D rigid frame topologies will be introduced in this paper. The aim is to extend the field of filament winding from mainly 2D-shells and some exceptional cases frames. This employs a translation cross-winding method order continuously deposit roving around deflection points space. On basis, design methodology being created deductively verified by designing beam three-point bending load case. composite designed on macro level simulation approach...
Coreless filament winding technologies possess the potential to flexibly produce lightweight rigid frame structures at comparably low costs. The key versatility, geometrical freedom and cost-effectiveness is avoidance of core elements. Existing research on frames focusses primarily “isotruss” or “lattice” structures, manufactured by depositing fibers polygon-shaped mandrels with carved-out gaps. Therefore, an investigation into performance coreless wound laminates their material...
Fiber-reinforced rubber composites with integrated shape memory alloy (SMA) actuator wires present a promising approach for the creation of soft and highly elastic structures adaptive functionalities usage in aerospace, robotic, or biomedical applications. In this work, flat-knitting technology is used to develop glass-fiber-reinforced fabrics tailored properties designed active bending deformations. During knitting process, SMA are into textile positioned respect their actuation task. Then,...
Abstract The present research work was carried out to develop the prediction models for blended ring spun yarn evenness and tensile parameters using artificial neural networks (ANNs) multiple linear regression (MLR). Polyester/cotton blend ratio, twist multiplier, back roller hardness break draft ratio were used as input predict in terms of CVm% properties tenacity elongation. Feed forward with Bayesian regularisation support successfully trained tested available experimental data....
Weft-knitted fabrics offer an excellent formability into complex shapes for composite application. In biaxial weft-knitted fabric, additional yarns are inserted in the warp (wale-wise) and weft (course-wise) directions as a reinforcement. Due to these straight yarns, mechanical properties of such better than those unreinforced fabrics. The forming process flat 3D preforms is challenging requires numerical simulation. this paper, behavior simulated by means macro- meso-scale finite element...
Abstract Numerical simulation tools are increasingly used for developing novel composites and composite reinforcements. The aim of this paper is the application digital elements mechanical behaviour textile reinforcement structures by means a finite element analysis. beneficial computational cost these makes them applicable use in large models with solution on near micro-scale. representation multifilament yarn number element-chains highly suitable analysis structural geometrical effects. In...
Abstract The crosswise gluing of cross-laminated panels made solid wood can cause problems when exposed to moisture variations. In the present study, substitution spruce middle layer by a composite is tested for its influence on moisture-induced stresses and deformations in laboratory tests numerical simulations. Furthermore, slits were investigated. hygroscopic warping due gradient, caused moistening cracks drying studied. results show larger laminates compared cross-laminate, which...
Abstract In the present study, forming behavior of veneer with nonwoven backings was analyzed. The paper contributes to lack data on numerical predictions formability veneers for manufacturing automotive trim parts. Tensile and shear tests were carried out at normal climate conditions after water immersion obtain material parameters a transverse isotropic description. Tsai Wu failure criterion applied estimation strength under different stress combinations. Analysis directional deep drawing...
Abstract The moisture-induced warping of three-layered cross-laminated solid wood panels made Norway spruce was studied. were exposed to different climate conditions at 65% and 100% relative humidity the two panel faces. results showed increasing cup deformation with an thickness outer layers. annual growth ring orientation found have a significant influence on magnitude deformation. Measurements numerical simulations moisture distribution within in order provide data for warping. A...