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ring.penalty.xml

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  1 <?xml version="1.0" encoding="UTF-8"?>
  2 <tahoe author="paklein" geometry_file="../geometry/ring.geom"
  3     title="ring squeezed between platens" xmlns:x0="http://www.w3.org/2001/XMLSchema">
  4     <time max_step_cuts="3" num_steps="5" output_inc="5" time_step="0.05">
  5         <schedule_function>
  6             <piecewise_linear>
  7                 <OrderedPair x="0.0" y="0.0"/>
  8                 <OrderedPair x="2.0" y="4.0"/>
  9             </piecewise_linear>
 10         </schedule_function>
 11     </time>
 12     <nodes>
 13         <field field_name="displacement">
 14             <dof_labels>
 15                 <String value="D_X"/>
 16                 <String value="D_Y"/>
 17             </dof_labels>
 18             <kinematic_BC dof="2" node_ID="1" schedule="1" type="u" value="1.0"/>
 19             <kinematic_BC dof="1" node_ID="2"/>
 20             <kinematic_BC dof="2" node_ID="3"/>
 21             <kinematic_BC dof="1" node_ID="4"/>
 22         </field>
 23     </nodes>
 24     <element_list>
 25         <updated_lagrangian field_name="displacement">
 26             <quadrilateral/>
 27             <large_strain_element_block>
 28                 <block_ID_list name="platens">
 29                     <String value="1"/>
 30                 </block_ID_list>
 31                 <large_strain_material_2D>
 32                     <Simo_isotropic_2D density="1.0">
 33                         <E_and_nu Poisson_ratio="0.25" Young_modulus="100.0"/>
 34                     </Simo_isotropic_2D>
 35                 </large_strain_material_2D>
 36             </large_strain_element_block>
 37         </updated_lagrangian>
 38         <updated_lagrangian field_name="displacement">
 39             <quadrilateral/>
 40             <solid_element_nodal_output displacements="1" stress="1"/>
 41             <large_strain_element_block>
 42                 <block_ID_list name="ring">
 43                     <String value="2"/>
 44                 </block_ID_list>
 45                 <large_strain_material_2D>
 46                     <Simo_isotropic_2D density="1.0">
 47                         <E_and_nu Poisson_ratio="0.25" Young_modulus="100.0"/>
 48                     </Simo_isotropic_2D>
 49                 </large_strain_material_2D>
 50             </large_strain_element_block>
 51         </updated_lagrangian>
 52         <contact_2D_penalty field_name="displacement" penalty_stiffness="5.0">
 53             <contact_surface>
 54                 <surface_side_set side_set_ID="1"/>
 55             </contact_surface>
 56             <contact_surface>
 57                 <surface_side_set side_set_ID="2"/>
 58             </contact_surface>
 59             <contact_surface>
 60                 <surface_side_set side_set_ID="3"/>
 61             </contact_surface>
 62             <contact_surface>
 63                 <surface_side_set side_set_ID="4"/>
 64             </contact_surface>
 65             <contact_nodes>
 66                 <node_ID_list>
 67                     <String value="5"/>
 68                 </node_ID_list>
 69             </contact_nodes>
 70         </contact_2D_penalty>
 71     </element_list>
 72     <nonlinear_solver abs_tolerance="1.0e-10"
 73         divergence_tolerance="1.0e+03" max_iterations="20" rel_tolerance="1.0e-12">
 74         <profile_matrix/>
 75     </nonlinear_solver>
 76 </tahoe>

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