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Date of download: 7/10/2016 Copyright © ASME. All rights reserved. From: Three-Dimensional Viscoelastic Simulation for Injection/Compression Molding Based.

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Presentation on theme: "Date of download: 7/10/2016 Copyright © ASME. All rights reserved. From: Three-Dimensional Viscoelastic Simulation for Injection/Compression Molding Based."— Presentation transcript:

1 Date of download: 7/10/2016 Copyright © ASME. All rights reserved. From: Three-Dimensional Viscoelastic Simulation for Injection/Compression Molding Based on Arbitrary Lagrangian Eulerian Description J. Comput. Nonlinear Dynam. 2016;11(5):051004-051004-8. doi:10.1115/1.4032384 Diagram of a point transformation in ALE scheme Figure Legend:

2 Date of download: 7/10/2016 Copyright © ASME. All rights reserved. From: Three-Dimensional Viscoelastic Simulation for Injection/Compression Molding Based on Arbitrary Lagrangian Eulerian Description J. Comput. Nonlinear Dynam. 2016;11(5):051004-051004-8. doi:10.1115/1.4032384 Diagram of polymer melt flow during compression Figure Legend:

3 Date of download: 7/10/2016 Copyright © ASME. All rights reserved. From: Three-Dimensional Viscoelastic Simulation for Injection/Compression Molding Based on Arbitrary Lagrangian Eulerian Description J. Comput. Nonlinear Dynam. 2016;11(5):051004-051004-8. doi:10.1115/1.4032384 Mixed finite elements used in this study with (a) P2(10) element: four vertices + six edge midpoints, (b) P1(4) element: four vertices in which —value of u,T and ×—value of p, τ Figure Legend:

4 Date of download: 7/10/2016 Copyright © ASME. All rights reserved. From: Three-Dimensional Viscoelastic Simulation for Injection/Compression Molding Based on Arbitrary Lagrangian Eulerian Description J. Comput. Nonlinear Dynam. 2016;11(5):051004-051004-8. doi:10.1115/1.4032384 Diagram of the dimension of the studied parts: (a) iso-thick part and (b) var-thick part. O—sensor location and ◀ —polymer entrance. Figure Legend:

5 Date of download: 7/10/2016 Copyright © ASME. All rights reserved. From: Three-Dimensional Viscoelastic Simulation for Injection/Compression Molding Based on Arbitrary Lagrangian Eulerian Description J. Comput. Nonlinear Dynam. 2016;11(5):051004-051004-8. doi:10.1115/1.4032384 Simulated meltfronts of iso-thick panel at times: (a) 3 s, (b) 5 s, (c) 7 s, and (d) 9 s Figure Legend:

6 Date of download: 7/10/2016 Copyright © ASME. All rights reserved. From: Three-Dimensional Viscoelastic Simulation for Injection/Compression Molding Based on Arbitrary Lagrangian Eulerian Description J. Comput. Nonlinear Dynam. 2016;11(5):051004-051004-8. doi:10.1115/1.4032384 Measured pressures of sensors 2 and 4 change with time during iso-thick part ICM Figure Legend:

7 Date of download: 7/10/2016 Copyright © ASME. All rights reserved. From: Three-Dimensional Viscoelastic Simulation for Injection/Compression Molding Based on Arbitrary Lagrangian Eulerian Description J. Comput. Nonlinear Dynam. 2016;11(5):051004-051004-8. doi:10.1115/1.4032384 Simulated meltfronts of var-thick panel at times: (a) 3 s, (b) 5 s, (c) 8 s, and (d) 10 s Figure Legend:

8 Date of download: 7/10/2016 Copyright © ASME. All rights reserved. From: Three-Dimensional Viscoelastic Simulation for Injection/Compression Molding Based on Arbitrary Lagrangian Eulerian Description J. Comput. Nonlinear Dynam. 2016;11(5):051004-051004-8. doi:10.1115/1.4032384 Measured sensors' pressures of iso-thick panel injection molding with injection velocity (for screw): 60 mm/s, filling/packing switch: 30 mm, packing pressure: 80 MPa, and melt temperature: 300 °C Figure Legend:

9 Date of download: 7/10/2016 Copyright © ASME. All rights reserved. From: Three-Dimensional Viscoelastic Simulation for Injection/Compression Molding Based on Arbitrary Lagrangian Eulerian Description J. Comput. Nonlinear Dynam. 2016;11(5):051004-051004-8. doi:10.1115/1.4032384 Comparison between the measured and simulated sensors' pressures of (a) iso-thick panel and (b) var-thick panel during filling and compressing stages. − (thick and discrete line) represents experimental data and − (thin and smooth line) denotes the simulated data. Figure Legend:

10 Date of download: 7/10/2016 Copyright © ASME. All rights reserved. From: Three-Dimensional Viscoelastic Simulation for Injection/Compression Molding Based on Arbitrary Lagrangian Eulerian Description J. Comput. Nonlinear Dynam. 2016;11(5):051004-051004-8. doi:10.1115/1.4032384 Comparison between the measured and simulated sensors' temperatures of (a) iso-thick panel and (b) var-thick panel during filling and compressing stages. − (thick and discrete line) represents experimental data and − (thin and smooth line) denotes the simulated data. Figure Legend:

11 Date of download: 7/10/2016 Copyright © ASME. All rights reserved. From: Three-Dimensional Viscoelastic Simulation for Injection/Compression Molding Based on Arbitrary Lagrangian Eulerian Description J. Comput. Nonlinear Dynam. 2016;11(5):051004-051004-8. doi:10.1115/1.4032384 Dimension of one-quarter of spherical part Figure Legend:

12 Date of download: 7/10/2016 Copyright © ASME. All rights reserved. From: Three-Dimensional Viscoelastic Simulation for Injection/Compression Molding Based on Arbitrary Lagrangian Eulerian Description J. Comput. Nonlinear Dynam. 2016;11(5):051004-051004-8. doi:10.1115/1.4032384 Comparison between the simulated (a) first normal stress difference and (b) photoelasticpictures Figure Legend:


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