Integrated Tool for Simulation of Textile Composites

Transcription

1 Integrated Tool for Simulation of Textile Composites SIXTH FRAMEWORK PROGRAMME Proposal no.: Aerodays Vienna June 2006 Marinus Schouten EADS-Corporate Research Centre 1

2 General objectives Objectives Development of an adequate integrated simulation tool for braids, advanced engineering textiles, weaves and stitched textiles Simulation along the process line Establish a virtual manufacturing chain Approach Linking and integration of different stand-alone solutions Open flexible interface for fluent data exchange and communication Set up a standard for testing, modeling and simulation Application/validation examples in Aeronautics Summarized in guidelines, design rules and educational tools Marinus Schouten EADS-Corporate Research Centre 2

3 Partners involved EADS Germany Alenia Aeronautica S.p.A. Cranfield University Dassault Aviation German Aerospace Center EADS Corporate Research Center France ESI Software University of Stuttgart University of Aachen University of Leuven INSA University Lyon SISPRA University of Zaragoza IFB Marinus Schouten EADS-Corporate Research Centre 3

4 Simulation chain Textile Process Textile Integration Impregnation Curing Loading Braiding Micro Meso Modelling Handling Draping Stitching Tooling Impregnation Spring back Curing Static Behaviour Crash behaviour Impact Behaviour Repair Marinus Schouten EADS-Corporate Research Centre 4

5 Marinus Schouten EADS-Corporate Research Centre 5

6 Project overview WP5: Integration WP1: Material Characterisation Material characterisation DataTool WP2: 3M Mechanics Micro Meso Macro WP3: Process Simulation Textile Process Draping Infiltration WP4: External Loading Behaviour Failure Static Strength Impact & Crash WP6: Industrial validation / test WP7: Design Guidelines / Standardisation I/O interface Tool interface GUI Marinus Schouten EADS-Corporate Research Centre 6

7 Current project status: WP1: Material Characterisation / DataTool WP1: Material characterization Selection of relevant data for: Dry textiles Impregnated composites Data Tool Description of the Data Tool Implementation of example cases in the Data Tool Sub tasks 1.1 Selection of relevant data 1.2 Structure of the Data Tool 1.3 Collection of data Marinus Schouten EADS-Corporate Research Centre 7

8 Current project status: WP2: 3M mechanics WP2: 3M mechanics Development of the models on Micro and Meso level Geometry of fiber and yarn placement in 3d reinforcements Homogenized mechanical properties of the unit cell of textile composite Damage initialization and development provide input to models of textile deformability and external loading behavior of composite part Marinus Schouten EADS-Corporate Research Centre 8

9 Current project status: WP2: 3M mechanics (cont.) WP2.2 Meso level geometrical models 3D braids Braid3DTex tool development Structural stitching model development WP2.3 Micro Meso Homogenization models are selected and being implemented in FE WP2.4 Meso Macro Homogenization theoretical foundations ready Marinus Schouten EADS-Corporate Research Centre 9

10 Current project status: WP3: Process Simulation WP3: Process Simulation virtual manufacturing chain for textile composites process simulation = central task Main targets drapability behavior Impregnation simulation Sub tasks 3.1 Development of concepts for a process simulation for NCF, sewing/stitching, 2d-braiding. CABRun example Marinus Schouten EADS-Corporate Research Centre 10

11 Current project status: WP3: Process Simulation (cont.) WP3.2 : Draping simulation Identification of meso-macro mechanical behaviour (LaMCoS) biaxial tension experiments in-plane shearing experiments virtual experiments (FE) Definition of numerical tools and specific finite elements for fabric forming simulation (LaMCoS) continuum and formulation approaches Simulation of forming behaviour of a deformed dry textile ongoing (CCR) WP3.3 : Mould filling simulation Development and test of some new computational methods (ESI) Marinus Schouten EADS-Corporate Research Centre 11

12 Current project status: WP4: External loading behaviour On macroscopic level structural behavior deformation stress and failure modeling WP4.1 Stress analysis and quasi-static failure criteria Failure model for 2D triaxial braided composites (ALA) Experimental failure and damage analysis of UDbraids (EADS-G) implementation of homogenisation and damage routines in MSC.Marc (EADS-G) Development of validation procedure for a failure criterion for 3d reinforced textile composites (DLR) WP4.2 Impact and crash simulation Development of new test procedures for dynamic material data collection + simulation of these test procedures (CRAN) UD-braid Marinus Schouten EADS-Corporate Research Centre 12

13 Current project status: WP5: Integration WP5: Integration Main ITOOL concept = integration Target Ensure the fluid interaction of the different WP solutions minimize user interference Data interchanging has to go with minimum friction and critical data loss Sub tasks 5.1 Evaluation of the different tools 5.2 Data handling 5.3 Design of a graphical user interface for the ITOOL Marinus Schouten EADS-Corporate Research Centre 13

14 ITOOL Current project status: WP6: Industrial validation / Test WP6: Industrial validation / Test DAS industrial" acceptance of the integrated simulation tool test the whole simulation chain on a finished composite part simulation of the textile production prediction of meso/macro properties drapability behavior impregnation FE-analysis Sub tasks 6.1 Specification of test cases 6.2 Manufacturing of the parts and testing 6.3 Tool chain proof on defined test cases 6.4 Cost benefit analysis EADS-G ALA Marinus Schouten EADS-Corporate Research Centre 14

15 Current project status: WP7: Design guidelines / standardizations WP7: Design guidelines / standardizations Objectives allow textile and composite engineers to evaluate major factors of influence and to design optimized structures. Development of philosophies for a standardization of test procedures and textile processes Bases on realistic, exemplary components. Sub tasks 7.1 Definition of structural elements 7.2 Analysis of potential and limitations of textile processes 7.3 Development of design guidelines 7.4 Evaluation based on realistic applications 7.5 Generation of philosophies for standardization Marinus Schouten EADS-Corporate Research Centre 15

16 Visit us on: Thank you Marinus Schouten EADS-Corporate Research Centre 16