General contact in Abaqus/Standard

This problem contains basic test cases for one or more Abaqus elements and features.

This page discusses:

ProductsAbaqus/Standard

Elements tested

  • C3D4
  • C3D6
  • C3D8
  • C3D8R
  • C3D10PT
  • CAX4R
  • CCL12
  • CPE4
  • CPE4H
  • CPE8H
  • CPS4
  • DC1D2
  • DC1D2E
  • DC2D4
  • DC2D4E
  • DC2D8
  • DC2D8E
  • DC3D8
  • DC3D8R
  • DC3D20E
  • DCAX4
  • DCAX8
  • DCC1D2
  • DS3
  • DS4
  • DS6
  • DS8
  • DSAX1
  • DSAX2
  • GK3D6
  • MCL6
  • R3D4
  • S3
  • S4R

Features tested

General contact formulation in Abaqus/Standard.

Problem description

This section deals with the general contact capability in Abaqus/Standard. These examples use different type of elements and test different features used in general contact.

Results and discussion

These results illustrate the accuracy of the general contact formulation in Abaqus/Standard.

Input files

Examples for contact initialization assignment:
gcontact_shell_op1.inp

Shells with S4R and S3 elements with initial opening: default behavior.

gcontact_shell_op2.inp

Shells with S4R and S3 elements with initial opening: resolve opening.

gcontact_shell_op3.inp

Shells with S4R and S3 elements with initial opening: remain open.

gcontact_shell_op_ss4.inp

Shells with S4R and S3 elements with initial opening and single-sided surface: resolve opening.

gcontact_shell_op_ss5.inp

Shells with S4R and S3 elements with initial opening and single-sided surface: remain open.

gcontact_shell_op_ssSPOS6.inp

Shells with S4R and S3 elements with initial opening and single-sided surfaces 2 and 4 (SPOS).

gcontact_shell_op_ssSPOS7.inp

Shells with S4R and S3 elements with initial opening and single-sided surfaces 1 and 6 (SPOS).

gcontact_shell_op_ssSPOS8.inp

Shells with S4R and S3 elements with initial opening and single-sided surfaces SPOS (all surfaces).

gcontact_shell_ov9.inp

Shells with S4R and S3 elements with initial overclosure: default behavior.

gcontact_shell_ov10.inp

Shells with S4R and S3 elements with initial overclosure: retain overclosure.

gcontact_shell_ov11.inp

Shells with S4R and S3 elements with initial overclosure: resolve overclosure.

gcontact_cross-shell_def12.inp

Cross shells with S4R elements: default behavior.

gcontact_cross-shell_ss13.inp

Cross shells with S4R elements: single-sided surface.

gcontact_solid_op14.inp

C3D8R elements with initial opening: default behavior.

gcontact_solid_op15.inp

C3D8R elements with initial opening: resolve opening.

gcontact_solid_op16.inp

C3D8R elements with initial opening: remain open.

gcontact_solid_op17.inp

C3D8R elements with initial opening and single-sided surface: resolve opening.

gcontact_solid_op18.inp

C3D8R elements with initial opening and single-sided surface: remain open.

gcontact_solid_ov19.inp

C3D8R elements with initial overclosure: default behavior.

gcontact_solid_ov20.inp

C3D8R elements with initial overclosure: retain overclosure.

gcontact_solid_ov21.inp

C3D8R elements with initial overclosure: resolve overclosure.

Examples of surface smoothing technique for general contact:
surfsmooth_rings_gcont.inp

Shrink fit of two concentric rings, two-dimensional.

surfsmooth_rings_3d_gcont.inp

Shrink fit of two concentric rings, three-dimensional.

surfsmooth_spheres_gcont.inp

Shrink fit of two concentric spheres.

surfsmooth_cone_gcont.inp

Push down of an inner cone piece against an outer cone piece.

Examples of edge-to-surface contact:
slide_under_edge.inp

Sliding blocks with feature edges activated.

tennis_std_gcont.inp

Tennis ball hitting bracket modeled with beam-to-surface contact.

rigid_to_beam_coarse.inp
Rigid beam contacting large diameter beams.
rigid_to_beam_refined.inp
Refined rigid beam contacting large diameter beams.
shell_external_beam.inp
Bolt modeled with beams bearing against hole modeled with shells.
solid_external_beam.inp
Bolt modeled with beams bearing against hole modeled with solids.
Examples of contact with analytical rigid surface:
shelledge_to_cyl_analytic.inp
Contact between shell edges and analytical rigid surface.
edge_to_rev_analytic.inp
Simple edge to analytical surface contact.
full_compress_block_gcont.inp
Confined compression of rubber block.
ei310isssc_gcont.inp
Ring compressed and slid against an analytical rigid surface.
beamstandard2_gcont.inp
Cantilever beam modeled with shell elements.
eib3srsb_gcont.inp
Simple test with one element model.
ei36srsc_mcl6_gcont.inp
6-node cylindrical membrane elements model.
ei39srsc_mcl9_gcont.inp
9-node cylindrical membrane elements model.
ei36sirc_ccl9_gcont.inp
9-node cylindrical prism elements model.
ei36sirc_ccl12_gcont.inp
12-node cylindrical brick elements model.
ei39sirc_ccl18_gcont.inp
18-node cylindrical prism elements model.
ei39sirc_ccl24_gcont.inp
24-node cylindrical brick elements model.
General contact with heat transfer and coupled thermal electrical procedures:
cracktip2d_gc_discc.inp

DC2D4 elements using general contact with an embedded crack with gap conduction for heat transfer across the crack.

dc3d8r_gap_gc.inp

DC3D8R elements using general contact with gap conduction.

eia2discc_gc.inp

DCAX4 elements using general contact with gap conduction.

eia3discc_gc.inp

DCAX8 elements using general contact with gap conduction.

ei23discc_gc.inp

DC2D8 elements using general contact with gap conduction.

eia2disrs_gc.inp

Double-sided DSAX1 shell elements using general contact with gap radiation.

eia3disrs_gc.inp

Double-sided DSAX2 shell elements using general contact with gap radiation.

ei33discs_gc.inp

Double-sided DS3 shell elements using general contact with gap conduction.

ei33disrs_gc.inp

Double-sided DS3 shell elements using general contact with gap radiation.

ei34discs_gc.inp

Double-sided DS4 shell elements using general contact with gap conduction.

ei34disrs_gc.inp

Double-sided DS4 shell elements using general contact with gap radiation.

ei36discs_gc.inp

Double-sided DS6 shell elements using general contact with gap conduction.

ei36disrs_gc.inp

Double-sided DS6 shell elements using general contact with gap radiation.

ei38discs_gc.inp

Double-sided DS8 shell elements using general contact with gap conduction.

ei38disrs_gc.inp

Double-sided DS8 shell elements using general contact with gap radiation.

ei22vsjc_gc.inp

DC2D4E elements using general contact with gap heat, electrical conduction, and electrical heat generation.

ei23vsjr_gc.inp

DC2D8E elements using general contact with gap radiation, electrical conduction, and electrical heat generation.

ei34vsjc_gc.inp

DC3D8E elements using general contact with gap heat, electrical conduction, and electrical heat generation.

ei38vsjr_gc.inp

DC3D20E elements using general contact with gap radiation, electrical conduction, and electrical heat generation.

xrvd38n2_parallel_gc.inp

DC3D8 elements using general contact with gap conduction. The radiation heat transfer is modeled with cavity radiation.

uinterht_gc.inp

DC2D4 elements using general contact with user subroutine UINTER modeling heat transfer interaction behavior.

stob_heat.inp

Beam as main edge-to-surface contact with DC3D8 and DC1D2 element-based surfaces in thermal interactions.

stob_heatelec.inp

Beam as main edge-to-surface contact with DC3D8E and DC1D2E element-based surfaces in thermal and electrical interactions.

coil_beam-tube_solid_ht.inp

Beam as main edge-to-surface contact with DC3D8 and DC1D2 element-based surfaces in thermal interaction with gap conduction.

coil_beam-tube_solid_ht_radiation.inp

Beam as main edge-to-surface contact with DC3D8 and DC1D2 element-based surfaces in thermal interaction with gap radiation.

shell_to_1d_ht.inp

Beam as main edge-to-surface contact with DS4 and DC1D2 element-based surfaces in thermal interaction.

solid_between_two_beams_ht.inp

Beam as main edge-to-surface contact with DC3D20 and DCC1D2 element-based surfaces in thermal interaction.

heat_exchanger_fine_diffconv_steady.inp

Beam as main edge-to-surface and surface-to-surface contact with DC3D8 and DCC1D2 element-based surfaces in thermal interaction in a heat exchanger model.

General contact with the small-sliding tracking approach
2d_crack_gcsmall.inp

CPS4 elements where opposing faces of a crack are in self-contact.

3d_crack_gcsmall.inp

C3D8R elements where opposing faces of a crack are in self-contact.

ei22siam_gcsmall.inp

CPE4 elements and analytical rigid surface. User-specified clearance normals and internally computed clearances.

ei22siao_gcsmall.inp

CPE4 elements and analytical rigid surface. User-specified clearances.

ei34sisc_lcp_gcsmall.inp

C3D8 elements with the LCP solution technique for frictionless small-sliding contact.

rigid_gcsmall_lcp.inp

C3D8 and R3D4 elements with the LCP solution technique for frictionless small-sliding contact.

ei36sirc_ccl12_gcsmall.inp

CCL12 cylindrical elements modeling an initial interference fit.

ei36sirc_mcl6_gcsmall.inp

MCL6 cylindrical membrane elements modeling an initial interference fit.

ei39ptfss_c3d10pt_gcsmall.inp

C3D10PT coupled elements modeling soils consolidation.

gcorr_std_gcsmall_a1.inp

S4R elements with various surface geometry corrections.

gcorr_std_gcsmall_two_coarse_solid_tori_e.inp

C3D8 and C3D6 elements with toroidal surface geometry corrections.

w_bolted_flange_gcsmall_complete.inp

C3D8R modeling a bolted flange.

Examples for step-dependent contact activated and deactivated:
vertex_solid_corner_gcontsd.inp

C3D8R elements with vertex-to-surface contact; initially active contact deactivated, reactivated later with shrink fit.

block_gc_stepmdlc_remove_gcontsd.inp

C3D8R and S4R elements with various general contact formulations that are initially active, deactivated, and reactivated in subsequent steps.

analytic_rigid_gcontsd.inp

C3D8RH elements with deformable-to-analytic rigid contact; contact activated after moving the analytic rigid surface, resulting in an overclosure resolved as a shrink fit.

cohesive-contact-gcontsd.inp

C3D8RH elements; initially inactive contact activated in a later step to activate cohesive contact.

w_radial_seal_complete_gcontsd.inp

CAX4R, CAX3H, and CAX4H elements with deformable-to-analytic rigid contact, activated and deactivated across several steps.

pull_in_gcontsd.inp

PIPE22 elements with edge-to-edge radial contact to model tube-in-tube insertion; contact activated in later step.

coh_cont_4elem_gcontsd.inp

S4 elements; initially active cohesive contact, deactivated and reactivated in a later step.

coupledtempDispPore_gcontsd.inp

C3D8PT elements with contact; activated in a later step.

truss2truss_unwind_gcontsd.inp

T3D2 elements with edge-to-edge radial contact; contact deactivated to unwind a bundle of twisted wires.

BlocksContact3_1smslid_gcontsd.inp

C3D8R elements with both small- and finite-sliding tracking in general contact; contact activated and deactivated for finite-sliding interactions.

ei34tpsc_c3d8rht_std_gcontsd.inp

C3D8RHT elements with contact deactivated in a coupled temperature-displacement analysis.

beam2beam_gcont_edge_gcontsd.inp

B31 elements with contact deactivated in a later step.

deepdrawbox_std_both_gcontsd.inp

S4R elements with contact activated and deactivated for deformable-to-analytic rigid contact.

assemble_example_gcontsd.inp

C3D8R elements with initially inactive contact activated progressively during assembly followed by loading.

append_beams_gcontsd.inp

CPE4R elements modeling two beam sections with contact initially inactive.

append_beams_gcontsd_restart.inp

Restart analysis of previous model with cohesive contact activated to attach the disconnected beam sections.

Miscellaneous:
block_c3d4_b_std_gcont.inp

C3D4 elements using general contact and the unsymmetric solver to handle additional compression.

block_c3d8_b_gcont.inp

C3D8 elements using general contact and the unsymmetric solver to handle additional compression.

block_Xcontact_Slide.inp
General contact with an initial stationary XFEM crack surface.
boltpipeflange_3d_gk3d18_gcont.inp

Three-dimensional analysis using general contact formulation containing a gasket modeled with gasket elements.

cantilever_Xcontact_propcrack.inp
General contact with a propagating XFEM crack surface.
gasket_surf_gcont.inp

GK3D6 elements contacting a slider using general contact

rollcyl_test_gcont.inp

Paper rolling model using general contact formulation.

slider_cpe4h_gcont.inp

CPE4H elements modeling a slider with general contact.

slider_cpe8h_mpc_gcont.inp

CPE8H elements modeling a slider with general contact.

sphere_finite_std_gcont_balanc.inp

Balanced main-secondary formulation with general contact for the spherical indentation problem.

sphere_finite_std_gcont_adj1.inp

Initial contact openings with strain-free adjustments for the spherical indentation problem.

sphere_finite_std_gcont_adj2.inp

Initial contact overclosures with strain-free adjustments for the spherical indentation problem.