<?xml version="1.0" encoding="utf-8"?><toc><title href="adyn_comp.html" title2="Autodyn Composite Modeling Guide">Composite Modeling Guide</title><dl><dt><span class="chapter"><a href="adyn_comp_intro.html">1. Composite Material Modeling Introduction</a></span></dt><dt><span class="chapter"><a href="adyn_comp_directions.html">2. Principal Directions in Autodyn</a></span></dt><dd><dl><dt><span class="section"><a href="adyn_comp_dir2D.html">2.1. Autodyn-2D</a></span></dt><dd><dl><dt><span class="section"><a href="adyn_comp_dir2DXY.html">2.1.1. X-Y Space</a></span></dt><dt><span class="section"><a href="adyn_comp_dir2Dpolar.html">2.1.2. Polar Space</a></span></dt><dt><span class="section"><a href="adyn_comp_dir2DIJ.html">2.1.3. I-J-K Space</a></span></dt></dl></dd><dt><span class="section"><a href="adyn_comp_dir3DLGALE.html">2.2. Autodyn-3D Lagrange and ALE Parts</a></span></dt><dd><dl><dt><span class="section"><a href="adyn_comp_dir3DLGALE_XYZ.html">2.2.1. X-Y-Z Space</a></span></dt><dt><span class="section"><a href="adyn_comp_dir3DLGALE_IJK.html">2.2.2. I-J-K Space</a></span></dt></dl></dd><dt><span class="section"><a href="adyn_comp_dir3Dshells.html">2.3. Autodyn-3D Shell Parts</a></span></dt><dd><dl><dt><span class="section"><a href="adyn_comp_dir3Dshells_XYZ.html">2.3.1. X-Y-Z Space</a></span></dt><dt><span class="section"><a href="adyn_comp_dir3Dshells_IJK.html">2.3.2. I-J-K Space</a></span></dt></dl></dd></dl></dd><dt><span class="chapter"><a href="adyn_comp_ortho_const.html">3. Orthotropic Constitutive Models</a></span></dt><dd><dl><dt><span class="section"><a href="adyn_comp_ortho_elastic.html">3.1. Orthotropic Elastic Model</a></span></dt><dt><span class="section"><a href="adyn_comp_eqn_of_state.html">3.2. Equations of State</a></span></dt><dd><dl><dt><span class="section"><a href="adyn_comp_eqn_state_shock.html">3.2.1. Shock Equation of State</a></span></dt><dt><span class="section"><a href="adyn_comp_eqn_state_poly.html">3.2.2. Polynomial Equation of State</a></span></dt></dl></dd><dt><span class="section"><a href="adyn_comp_ortho_strength.html">3.3. Strength Models</a></span></dt><dd><dl><dt><span class="section"><a href="adyn_comp_ortho_str_elastic.html">3.3.1. Elastic</a></span></dt><dt><span class="section"><a href="adyn_comp_ortho_str_vonmises.html">3.3.2. VonMises</a></span></dt><dt><span class="section"><a href="adyn_comp_str_hard.html">3.3.3. Orthotropic Yield Strength and Hardening Model</a></span></dt><dd><dl><dt><span class="section"><a href="adyn_comp_str_hard.html#adyn_comp_quad_limit">3.3.3.1. Quadratic Limit Surface</a></span></dt><dt><span class="section"><a href="adyn_comp_str_hard.html#adyn_comp_stress_rtn">3.3.3.2. Stress Return Algorithm</a></span></dt></dl></dd></dl></dd></dl></dd><dt><span class="chapter"><a href="adyn_comp_ortho_failure.html">4. Orthotropic Material Failure Models</a></span></dt><dd><dl><dt><span class="section"><a href="adyn_comp_brittle_damage.html">4.1. Brittle Damage Model</a></span></dt><dd><dl><dt><span class="section"><a href="adyn_comp_brittle_failure_init.html">4.1.1. Failure Initiation</a></span></dt><dt><span class="section"><a href="adyn_comp_post_fail_resp.html">4.1.2. Post-Failure Response</a></span></dt><dd><dl><dt><span class="section"><a href="adyn_comp_post_fail_resp.html#adyn_comp_iso_post_fail">4.1.2.1. Isotropic Post-Failure</a></span></dt><dt><span class="section"><a href="adyn_comp_post_fail_resp.html#adyn_comp_ortho_post_fail">4.1.2.2. Orthotropic Post-Failure Response</a></span></dt></dl></dd></dl></dd><dt><span class="section"><a href="adyn_comp_ortho_damage.html">4.2. Orthotropic Damage Model</a></span></dt><dd><dl><dt><span class="section"><a href="adyn_comp_ortho_failure_init.html">4.2.1. Failure Initiation</a></span></dt><dt><span class="section"><a href="adyn_comp_fail_init_damage.html">4.2.2. Damage Model</a></span></dt></dl></dd></dl></dd><dt><span class="chapter"><a href="adyn_comp_mat_tests.html">5. Material Characterization Tests</a></span></dt><dd><dl><dt><span class="section"><a href="adyn_comp_directional_str.html">5.1. Directional Strength Properties</a></span></dt><dd><dl><dt><span class="section"><a href="adyn_comp_ip_tension.html">5.1.1. In-Plane Tension Tests</a></span></dt><dt><span class="section"><a href="adyn_comp_oop_shear.html">5.1.2. Out-of-Plane Shear</a></span></dt></dl></dd><dt><span class="section"><a href="adyn_comp_mat_eos_test.html">5.2. Equation of State Properties: Inverse Flyer Plate Tests</a></span></dt><dt><span class="section"><a href="adyn_comp_delamination_test.html">5.3. Delamination Properties</a></span></dt><dd><dl><dt><span class="section"><a href="adyn_comp_plate_impact_test.html">5.3.1. Direct Plate Impact - Mode I Delamination Strength</a></span></dt><dt><span class="section"><a href="adyn_comp_cant_beam_test.html">5.3.2. Double Cantilever Beam – Mode I Delamination Energy</a></span></dt><dt><span class="section"><a href="adyn_comp_dnotch_shear.html">5.3.3. Double Notch Shear – Mode II Delamination Strength</a></span></dt><dt><span class="section"><a href="adyn_comp_enotch_flex.html">5.3.4. End Notched Flexure - Mode II Delamination Energy</a></span></dt></dl></dd></dl></dd><dt><span class="chapter"><a href="adyn_comp_mat_props.html">6. Derivation of Material Properties</a></span></dt><dd><dl><dt><span class="section"><a href="ch06s01.html">6.1. Constitutive Properties</a></span></dt><dd><dl><dt><span class="section"><a href="adyn_comp_props_const_elastic.html">6.1.1. Elastic Properties</a></span></dt><dt><span class="section"><a href="adyn_comp_plasticity_params.html">6.1.2. Plasticity Parameters</a></span></dt></dl></dd><dt><span class="section"><a href="adyn_comp_props_const_eos.html">6.2. Equation of State Parameters</a></span></dt><dt><span class="section"><a href="adyn_comp_fail_soften_props.html">6.3. Failure and Softening Properties</a></span></dt><dd><dl><dt><span class="section"><a href="adyn_comp_fail_props.html">6.3.1. Failure Properties</a></span></dt><dt><span class="section"><a href="adyn_comp_soften_props.html">6.3.2. Softening Properties</a></span></dt></dl></dd><dt><span class="section"><a href="ch06s04.html">6.4. Calculating Laminate Properties from Uni-Directional Data</a></span></dt></dl></dd><dt><span class="chapter"><a href="adyn_comp_examples.html">7. Example Applications</a></span></dt><dd><dl><dt><span class="section"><a href="adyn_comp_hyperv_impacts.html">7.1. Hypervelocity Impacts</a></span></dt><dd><dl><dt><span class="section"><a href="adyn_comp_hyperv_adv_mat_mod.html">7.1.1. Advanced Material Model for Hypervelocity Impact Simulations</a></span></dt><dt><span class="section"><a href="adyn_comp_adv_mat_damage.html">7.1.2. Advanced Material Damage Models</a></span></dt></dl></dd><dt><span class="section"><a href="adyn_comp_bal_impact.html">7.2. Ballistic Impact Examples</a></span></dt><dd><dl><dt><span class="section"><a href="adyn_comp_bal_frag.html">7.2.1. Ballistic Fragment Impacts on Aramid Composite Plates</a></span></dt><dt><span class="section"><a href="adyn_comp_poly_fiber_armor.html">7.2.2. Polyethylene Fiber-Based Armor</a></span></dt></dl></dd><dt><span class="section"><a href="adyn_comp_bird_strike.html">7.3. Bird Strike Example using Composite Shell Elements</a></span></dt></dl></dd><dt><span class="chapter"><a href="adyn_comp_recommend.html">8. Recommendations</a></span></dt><dt><span class="chapter"><a href="adyn_comp_references.html">9. References</a></span></dt></dl></toc>