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changed from element 117 (hexahedral with reduced integration) to element 7 (hexahedral with full integration). one-IP elements give trouble in the ping-pong scheme by being frequently/always outdated. this is likely connected to their finite element technology such that even high stiffness values do not prevent the solver from altering displacements in subsequent cycles. remedy is to go for full integration combined with /elementhomogeneous/ phase...

This commit is contained in:
Philip Eisenlohr 2011-01-27 14:32:29 +00:00
parent c00a42a9a4
commit 0cf1404db0
1 changed files with 3 additions and 3 deletions
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processing/pre/mentat_spectralBox
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@ -105,7 +105,7 @@ def material():
"*add_mater_elements", "*add_mater_elements",
"all_existing", "all_existing",
"*geometry_type mech_three_solid", "*geometry_type mech_three_solid",
"*geometry_option red_integ_capacity:on", # "*geometry_option red_integ_capacity:on", # see below: reduced integration with one IP gave trouble being always OUTDATED...
"*add_geometry_elements", "*add_geometry_elements",
"all_existing", "all_existing",
] ]
@ -118,10 +118,10 @@ def geometry():
#-------------------- #--------------------
cmds = [\ cmds = [\
"*geometry_type mech_three_solid", "*geometry_type mech_three_solid",
"*geometry_option red_integ_capacity:on", # "*geometry_option red_integ_capacity:on",
"*add_geometry_elements", "*add_geometry_elements",
"all_existing", "all_existing",
"*element_type 117", "*element_type 7", # we are NOT using reduced integration (type 117) but opt for /elementhomogeneous/ in the respective phase description (material.config)
"all_existing", "all_existing",
] ]