1. STEP Support For Design And Analysis Processes PDES, Inc./NASA STEP Tutorial Session NASA Jet Propulsion Laboratory January 16, 2001

7. g_m_r a_d_v_r part_version part d_d_p_d a_d_p_d analysis_version analysis n_d_s i_d_s g_m_r shape_aspect shape g_m_r analysis_shape node_shape point_model g_m_r fea_model node element fe_analysis CAE CAD parent_shape geometry part_number version design d_s version analysis_number analysis basis d_s d_s m_s_w_t a_b_r f_b_r n_t_s_a_w w_w_t c_sheet_r d_m ply_shape b_sheet_r t_d_g_s constituent_shape_representation constituent_part of_part p_p_s l_p_s f_p_p_s ply_piece ply thickness ply_laminate processed_core composite_assembly filament_laminate filament_laminate_shape shape X-section Shape g_r a_r_r t_r d_s a_d_i specification AP203 Coverage AP209 (ARM) On-A-Page (See Backup Information For Symbol Definitions)

9. Geometry (surface + boundary) Geometry (surface + boundary) Mesh * Multiple laminate materials * Orientation w.r.t. reference (element edge, coordinate system, vector) Layer, Material, Thickness, Orientation 1, UD 0.25 0 degrees 2, woven 0.4 45 degrees 3, core 10.5 0 degrees etc. * Ply layup sequence * Ply shape & fiber orientation may vary Ply, Material, Nominal Thickness 1, UD 0.25 2, woven 0.4 3, core 10.5 etc. Plies Zones Properties NB: Elements may follow ply boundaries for detailed analysis * Thickness Laminate Table * Percentage Laminate Table * Smeared Material Alternate Representations of Composites Supported By AP209

10. Flat Pattern, 3D Plies, FEM Sample Problem

15. MSC.Software Demo Web Site For StepViewer Access

22. Backup Information

35. AP209 ARM Entities Legend a_d_v_r - analysis_design_version_relationship d_d_p_d - design_discipline_product_definition a_d_p_d - analysis_discipline_product_definition g_m_r - geometric_model_representation n_d_s - nominal_design_shape i_d_s - idealized_design_shape f_m_p - fea_material_property d_s - defining_shape a_b_r - advanced_boundary_representation m_s_w_t - manifold_surface_with_topology w_w_t - wireframe_with_topology f_b_r - faceted_boundary_representation n_t_s_a_w - non_topological_surface_and_wireframe ply _p_s - ply_piece_shape p _o_a - ply_orientation_angle p _s_m - ply_stock_material p _l_s - ply_laminate_shape ply_l_t - ply_laminate_table p_l_s_d - ply_laminate_sequence_definition p_p_s - projected_ply_shape l_p_s - laid_ply_shape f_p_p_s - flat_pattern_ply_shape part_l_t - part_laminate_table c_sheet_r - composite_sheet_representation c_a_s - composite_assembly_shape c_a_t - composite_assembly_table c_a_s_d - composite_assembly_sequence_definition z _s_m - zone_structural_makeup %_l_t - percentage_laminate_table t_l_t - thickness_laminate_table %_ply - percentage_ply z_s_m_s_r - zone_structural_makeup_shape_representation e_z_s - edge_zone_shape p_z_s - point_zone_shape d_m - defining_model b_c_z - boundary_curve_zones t_d_g_s - three_d_geometry_set b_sheet_r - beveled_sheet_representation c_s_s_s - cross_section_shape_selection