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Found 1 result

  1. As a first post in this topic, I would like to introduce you the KTex Family modules dedicated to simulating fabrics in finite element models. Four different modules are available within the KTex Family, each one featuring its own specificities. A first module, called KTex Pattern, aims at building finite element models of bespoke fabrics at the scale of the yarns. 1D, 2D and 3D weaves are available. Some common industrial weaves are available in a database but bespoke weaves can be defined through a weaving matrix. Shell or solid elements can be chosen. The result is a meshed model at the scale of the fibres in HyperMesh. A second module, called KTex LayUp, helps setting up a finite element model representing the lay-up process. A mould geometry and a fabric finite element model are needed. The module automatically creates the counter mould, the contact interfaces between fabric yarns and mould parts and the boundary conditions of the simulation (squeezing speed, time of calculation...). The result is a ready-to-export model in HyperMesh. The third module is very similar to KTex LayUp, but dedicated to the winding process. It is called KTex Winding The input parameters are the core radius, the dimensions of the ribbon, and the pattern followed during the winding. Two outputs are possible. The first one is only for visualisation purposes and allows localising the areas where the ribbons cross with each other. These areas are usually the weakest ones. The second output is a ready-to-export model in order to run a simulation featuring chronological PLOADS on the ribbons to reproduce the tension in the ribbons during the real process. Finally, the fourth module is called KTex WovenProperty. It is a fully independent software (outside from HyperMesh). The aim is to calculate the homogenised macroscopic mechanical properties of any given composite ply. It can be a 1D, 2D or 3D ply. There is a database of common weaves but bespoke weaving patterns can be defined. Common fibre and matrix materials are also available in the module database but bespoke ones can be defined. To begin with, you will find below a webinar recording, presenting all the modules in details, and featuring case studies performed with KTex Family modules. Do not hesitate to ask questions or write what you think about these tools. Regards, Edouard 2016-10-27 10.04 Predicting impact of manufacturing process on composite performance with HyperMesh, KTex Family and RADIOSS.mp4
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