PAM-RTM_2010_training_examples_case03-05英文书.PDF

Case_03 Note: from Case03 to Case05, the focus is principal permeability orientation Case_03: Orientations with project vectors Objective to learn how to define principal permeability directions in PAM-RTM Model setup Simulation type RTM Data Permeability directions Material property definitions Material assignment Boundary condition definitions original ? set K1 by projecting vector (1,0,0) of the cylinder ? set K2 orthogonal to K1 ? Resins: Resin1 Viscosity = 0.425 Pa·s ? Reinforcement: Preform type = fabric permeability K1 = 3E-10 m2 permeability K2 = 3E-9 m2 ? Zone: related Material=Preform Porosity=0.824 Thickness=0.005 m ? group “pressure” pressure = 5E+5 Pa state = 1 (open=1, close=0) ? group “vent” pressure = 0 state = 1 (open=1, close=0) half_cylinder.unv reference Case_03.dtf Copyright ? ESI Group, 2009. All rights reserved. 1 Create a New, RTM simulation model Import mesh file half_cylinder.unv Display the mesh regarding Zones and activate Face selection mode Select all the elements of the cylinder select Selection ? Pick Zone in the menu point any part of the cylinder in 3D view K1 definition Mesh ? Set Project Vectors in the menu confirm K1 vector is (1,0,0), click on button Set K1 K2 definition Mesh ? K2 Mesh ? Set K Orthogonal K1,K2 check by select View ? Orientations ? K1 and K2 (K1-red, K2-green) Case_03 solution Copyright ? ESI Group, 2009. All rights reserved. 2 Define material properties of Resin1, Preform and Zone_1. Define 2 boundary conditions pressure_1 and Vent_2 Save the model (Case_03.dtf) and submit to compute Visualize the results (Filling, Filling_Times, Pressure…) Case_03 solution Vent_2 Pressure_1 Copyright ? ESI Group, 2009. All rights reserved. 3 Case_04 Case_04: Orientations with tangent curves Objective Model setup to learn how to define principal permeability directions in PAM-RTM Simulation type RTM K3 K1 inlet lines outlets Data Permeability directions Material property definitions Material assignment Boundary con