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elastostatic.N-LS.xml

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  1 <?xml version="1.0" encoding="UTF-8"?>
  2 <tahoe author="paklein" geometry_file="./geometry/square.geom"
  3     title="square region - Newton + line search with SPOOLES solver" xmlns:x0="http://www.w3.org/2001/XMLSchema">
  4     <time num_steps="1" output_inc="1" time_step="1.0">
  5         <schedule_function>
  6             <piecewise_linear>
  7                 <OrderedPair x="0.0" y="0.0"/>
  8                 <OrderedPair x="1.0" y="1.0"/>
  9             </piecewise_linear>
 10         </schedule_function>
 11     </time>
 12     <nodes>
 13         <field field_name="displacement" integrator="static">
 14             <dof_labels>
 15                 <String value="D_X"/>
 16                 <String value="D_Y"/>
 17             </dof_labels>
 18             <kinematic_BC dof="1" node_ID="100"/>
 19             <kinematic_BC dof="2" node_ID="101"/>
 20             <kinematic_BC dof="1" node_ID="102"/>
 21         </field>
 22         <history_node_ID_list>
 23             <String value="102"/>
 24             <String value="101"/>
 25         </history_node_ID_list>
 26     </nodes>
 27     <element_list>
 28         <updated_lagrangian field_name="displacement" mass_type="lumped_mass">
 29             <quadrilateral/>
 30             <solid_element_nodal_output displacements="1" stress="1"/>
 31             <solid_element_element_output strain_energy="1"/>
 32             <large_strain_element_block>
 33                 <block_ID_list>
 34                     <String value="14"/>
 35                     <String value="11"/>
 36                     <String value="10"/>
 37                 </block_ID_list>
 38                 <large_strain_material_2D>
 39                     <large_strain_StVenant_2D density="1.0">
 40                         <E_and_nu Poisson_ratio="0.25" Young_modulus="100.0"/>
 41                     </large_strain_StVenant_2D>
 42                 </large_strain_material_2D>
 43             </large_strain_element_block>
 44         </updated_lagrangian>
 45         <updated_lagrangian field_name="displacement" mass_type="lumped_mass">
 46             <quadrilateral/>
 47             <natural_bc coordinate_system="global" schedule="1" side_set_ID="99">
 48                 <DoubleList>
 49                     <Double value="0.0"/>
 50                     <Double value="-1.0"/>
 51                 </DoubleList>
 52             </natural_bc>
 53             <solid_element_nodal_output displacements="1" stress="1"/>
 54             <solid_element_element_output strain_energy="1"/>
 55             <large_strain_element_block>
 56                 <block_ID_list>
 57                     <String value="13"/>
 58                     <String value="12"/>
 59                 </block_ID_list>
 60                 <large_strain_material_2D>
 61                     <large_strain_StVenant_2D density="1.0">
 62                         <E_and_nu Poisson_ratio="0.25" Young_modulus="100.0"/>
 63                     </large_strain_StVenant_2D>
 64                 </large_strain_material_2D>
 65             </large_strain_element_block>
 66         </updated_lagrangian>
 67     </element_list>
 68     <nonlinear_solver_LS abs_tolerance="1.0e-10"
 69         divergence_tolerance="1.0e+01" line_search_iterations="5"
 70         line_search_tolerance="0.1" max_iterations="10" max_step="2.0" rel_tolerance="1.0e-12">
 71         <SPOOLES_matrix/>
 72     </nonlinear_solver_LS>
 73 </tahoe>

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