これで最後。
________________________ ALE ___________________
Keyword: *CONSTRAINED_LAGRANGE_IN_SOLID
Fix PFACMM=3 option.
Keyword: *DATABASE_GLSTAT, *DATABASE_MATSUM, *DATABASE_ALE_MAT
Improve writing of internal energy for ALE parts.
Keyword: *CONTROL_ALE
Invoke preferred multi-material ALE advection method for explosive
simulations by setting DCT = -1.
Keyword: *ALE_FAIL_SWITCH_MMG
Support ALE Multimaterial Group switching for failed material in MPP.
Keyword: *ALE_FSI_PROJECTION
Fix bug affecting this command in MPP.
Keyword: *CONTROL_EXPLOSIVE_SHADOW_SET
Implement this feature for MPP.
Keyword: *DATABASE_FSI
Correct the computation of the mass flux.
Keyword: *CONTROL_ALE, *EOS_JWLB
Initialize the *EOS_JWLB pressure with PREF and the relative volume (ALE
formulation).
Keyword: *INITIAL_STRESS_DEPTH
Initialize the stress for each ALE group.
Keyword: *ALE_AMBIENT_HYDROSTATIC, *INITIAL_HYDROSTATIC_ALE
For these commands, add in support for *EOS_GRUNEISON but at significant
cost owing to an iterative algorithm.
________________________ SPH ___________________
Keyword: *…_SPH
Fix bugs related to SPH with thermal solver.
Keyword: *MAT_072, _173, _241
Add *MAT_072 for SPH.
Add *MAT_MOHR_COULOMB for SPH but no support for material’s LOCAL=1
option.
Add *MAT_JOHNSON_HOLMQUIST_JH1 for SPH.
Keyword: *SECTION_SPH
Output bulk viscosity energy of SPH as hourglass energy.
Keyword: *DEFINE_SPH_TO_SPH_COUPLING
Fix read error for multiple *DEFINE_SPH_TO_SPH_COUPLING.
Keyword:
Update bulk viscosity of SPH for MPP to conserve the total energy.
Keyword: *CONTROL_SPH
Update strain calculation (due to circumferential velocity) for SPH
axisymmetry option.
Keyword: *CONTROL_SPH, *DEFINE_SPH_TO_SPH_COUPLING
Implement SPH CONT=1 and SPH-to-SPH coupling for MPP.
________________________ EFG ___________________
Keyword: *MAT_267
Add EFG compatibility to the *MAT_EIGHT_CHAIN rubber model.
________________________ *IMPLICIT ___________________
Keyword: *CONTROL_IMPLICIT_AUTO
Fix bug in implicit auto time stepping combined with keypoints.
Keyword: *CONTROL_IMPLICIT_AUTO
Fix bug when using thermal dependent materials and auto time stepping in implicit.
Keyword: *CONSTRAINED_JOINT, *CONTROL_RIGID
Fix issues with the SMP and MPP implementations of the implicit (LM) joints.
Keyword: *BOUNDARY_CYCLIC
Fix MPP implicit implementation of cyclic symmetry boundary conditions.
Keyword: *CONTROL_IMPLICIT_CONSISTENT_MASS
Fix bug in *CONTROL_IMPLICIT_CONSISTENT_MASS (MPP only).
Keyword: *CONTROL_IMPLICIT_GENERAL
Properly handle the switching between explicit to implicit
in the case of large rotations of rigid bodies.
Keyword: *INTERFACE_LINKING_…
Fix MPP Implicit’s treatment of *INTERFACE_LINKING_… to
match the year old changes to this feature for MPP Explicit.
Keyword: *DATABASE_SPCFORC
Fix output of spc forces in implicit.
Keyword: *DATABASE_option
Fix incorrect output to spcforc for implicit.
Fix MPP Implicit error in collecting and reporting forces
due to certain constraints.
Keyword: n/a
Tune up implicit memory requirements output.
Keyword: *CONTROL_IMPLICIT_CONSISTENT_MASS
Add consistent mass matrices for
solid types 1, 2, 10, 15; beam type 1, 2, 3, 4, 5.
Keyword: *CONSTRAINED_JOINT_…
Fix handling of joints in the presence of curve-based implicit
switching.
Keyword: *SECTION_BEAM, *CONTROL_IMPLICIT_GENERAL
Stiffness matrix of type 2 beam was broken when IGS=1 (geometric stiffness).
Keyword: *ELEMENT_DISCRETE
Disable velocity dependent dampers for implicit static solution.
Keyword: *MAT_054, *MAT_055
Enable implicit solutions with solids comprised of
*MAT_ENHANCED_COMPOSITE_DAMAGE.
Keyword: *CONTROL_IMPLICIT_EIGENVALUE
Fix stress output for implicit mode shapes.
Fix improper handling of *CASE for implicit eigenvalue analysis.
Keyword: *CONTROL_IMPLICIT_…
Fix the output to implicit databases (d3eigv, d3mode, d3iter) for
10-noded tetrahedra.
Fix MPP writing of d3eigv for large problems.
Keyword: *CONTROL_IMPLICIT_SOLUTION
Bug fix in implicit nonlinear solver 12.
Keyword: *CONTROL_IMPLICIT_STATIC_CONDENSATION
Fix bug of incorrectly sorted nodes for
*CONTROL_IMPLICIT_STATIC_CONDENSATION.
________________________ Thermal ___________________
Keyword: *CONSTRAINED_SPOTWELD
The 2 nodes identified by this keyword will be constrained to the same
temperture in a thermal only problem or in a coupled thermal
mechanical problem.
Keyword: *CONTROL_THERMAL_SOLVER, *MAT_244
The parameter TSF (thermal speedup factor) on the *CONTROL_THERMAL_SOLVER
keyword will automatically scale the kinetic rate equations used in
*MAT_UHS_STEEL. TSF is used for time scaling, such as when the punch speed is
artificially increased when modeling metal stamping operations.
Keyword: *MAT_172, *MAT_ADD_PERMEABILITY
Fix bug whereby *MAT_CONCRETE_EC2 beams and shells did not respond to
temperature change in a coupled thermal/structural analysis.
Pore pressure analysis thermal expansion was also failing to respond
to temperature change in a coupled analysis.
________________________ MPP ___________________
Keyword: *CONTROL_MPP_DECOMPOSITION
Enhance decomposition option to allow isolate and distribute for
multiple parts or part set.
Keyword: *BOUNDARY_PRESCRIBED_MOTION_RIGID
Fix MPP problem related to *BOUNDARY_PRESCRIBED_MOTION_RIGID
when used with relative motion.
Fix for MPP d3plot output, which was not honoring the
IEVERP flag on *DATABASE_EXTENT_BINARY.
Keyword: *MAT_NONLOCAL
Add support for *MAT_NONLOCAL in MPP.
Keyword: *ELEMENT_DIRECT_STIFFNESS_MATRIX
Enhance MPP performance of explicit with superelements for
large number of processes and small number of superelements.
Keyword: *CONTROL_MPP_DECOMPOSITION_SHOW, *AIRBAG_PARTICLE
Fix problem of viewing MPP decomposition when particle method is invoked.
Keyword: *LOAD_SURFACE_STRESS
Add MPP support of *LOAD_SURFACE_STRESS.
Keyword: n/a
Improve commonality between SMP and MPP in rigid body routines.
Keyword: *ELEMENT_SEATBELT_SLIPRING
Fix problem in MPP with sliprings having “optional orientation node”.
________________________ Forming ___________________
Keyword: *DEFINE_CURVE_TRIM_NEW
Improve 2D trimming: allow trimming curves to cross the part boundary many times.
Fix a bug in trimming where SPC constraints could be lost.
Keyword *INTERFACE_COMPENSATION_NEW
Fix bugs in springback compensation:
1)rigid tooling now can be the exact same size as the deformed blank;
2)improvement in springback compensation with undercut;
3)blank can now be bigger than the rigid tool.
*INTERFACE_COMPENSATION_NEW now allows multiple regions to be compensated
at the same time, with keyword *DEFINE_CURVE_COMPENSATION_CONSTRAINT_BEGIN
and *DEFINE_CURVE_COMPENSATION_CONSTRAINT_END.
Keyword: *CONTROL_FORMING_SCRAP_FALL
Allow displacement control of trim steel kinematics.
Fix bug in scrap constraints release when trim steel is moving in local
coordinate system
Keyword: *DEFINE_CURVE_TRIM_3D
Improve flanging simulation by allowing the user to control how far the
elements from a defined curve can be selected for mesh refinement.
________________________ Discrete Element Method ___________________
Keyword:
Fix DEM to DEM contact in MPP.
Keyword: *CONTACT_NODES_TO_SURFACE
Support part/part set input in N2S contact with discrete element sphere.
Keyword: *ELEMENT_DISCRETE_SPHERE
Add capillary force to simulate wet particles for Discrete Sphere
Element. The particle-particle and particle-segment capillary
force is calculated based on Langmuir 2005, 12, 10992-10997
Add rolling friction for discrete sphere element.
Keyword: *DEFINE_DE_TO_SURFACE_COUPLING
Include rotational DOF for discrete element to surface coupling.
________________________ Isogeometric Elements ___________________
Keyword: *ELEMENT_SHELL_NURBS_PATCH
Allow degenerated nurbs-patches (multiple control-points at the same physical
location) for isogeometric elements.
Keyword: *ELEMENT_SHELL_NURBS_PATCH
Make the transformation of parametric coordinates to physical coordinates of
interpolation nodes compatible with MPP.
Fix post-processing of stresses, … via interpolation elements in case of
multiple nurbs patches that share common edges.
________________________ Miscellaneous ___________________
Keyword:
Fix interactive “cross” command in Material Model Driver.
Keyword: *TERMINATION_SENSOR
Terminate right after sensor-switch status is changed.
Keyword: *SENSOR_DEFINE_FORCE
Correct bug for MPP version of sensor_define_force.
Keyword: *CASE
Allow *KEYWORD_JOBID and *CASE together.
Keyword: *DAMPING_FREQUENCY_RANGE
Fix bug whereby damping applied was much greater than the input value if
FHIGH/FLOW < 3.16
Keyword: *DEFORMABLE_TO_RIGID_AUTOMATIC
Fix problem of *DEFORMABLE_TO_RIGID_AUTOMATIC not switching correctly for MPP.
Keyword: *…_PORE_AIR
Correct a bug for the restart of pore air simulation
Keyword: *INCLUDE_TRANSFORM
Fix *INCLUDE_TRANSFORM with *PART_CONTACT or *PART_COMPOSITE_CONTACT:
Decay constant DC was not transformed correctly.
Fix *AIRBAG_HYBRID with *INCLUDE_TRANSFORM.
Fix *MAT_034 (negative LCUA, LCUB, LCUAB) with *INCLUDE_TRANSFORM:
Scaling with FCTMAS, FCTTIM, and FCTLEN was not done correctly in this case.
Fix *MAT_183 with *INCLUDE_TRANSFORM.
Fix *CONTACT_… parameter CID_RCF (Optional Card C):
Offset IDDOFF from *INCLUDE_TRANSFORM was not accounted for.
Fix *MAT_100 with SIGY<0: Account for offset from *INCLUDE_TRANSFORM.
Fix *CONSTRAINED_JOINT_STIFFNESS and offsets from INCLUDE_TRANSFORM.
Fix temperature conversion in *INCLUDE_TRANSFORM including
h conversion in *BOUNDARY_CONVECTION and adding FtoR and RtoF.
Keyword: *DEFORMABLE_TO_RIGID_AUTOMATIC
Fix bug affecting D2R automatic switching in MPP wherein
small variations of contact forces between tire and road in a tire
rolling example were observed.
Keyword: *SET_SEGMENT_GENERAL
Allow *SET_SEGMENT_GENERAL for element formulations that have midside nodes.
Keyword: *SENSOR_DEFINE_NODE
Clean up direction specification syntax for sensor.
Keyword: *SET_PART_LIST_GENERATE
Fix bug of *SET_PART_LIST_GENERATE not recognizing *PART_COMPOSITE.
Keyword: *DEFINE_FUNCTION
Accommodate triangular segments in pressure loading using *DEFINE_FUNCTION.
Keyword: *CONTROL_ADAPTIVE
Fix error in adaptivity restart if any elements have failed.
Keyword: *SENSOR_DEFINE_NODE
Fix incorrect behaviour when VID=Y/Z in *SENSOR_DEFINE_NODE and
DIR=Y/Z in *DEFINE_COORDINATE_NODES.
Keyword: *DEFINE_CURVE_FUNCTION
Fix a bug which gave null results for the translational
velocity and acceleration functions (VX,VY,VZ,AX,AY,AZ) when the optional
local coordinate system N3 was specified.
Keyword: *BOUNDARY_USA_SURFACE
Add USA support for implicit.
Keyword: *TERMINATION_SENSOR, *INTERFACE_SPRINGBACK_LSDYNA
Write dynain file when termination is due to *TERMINATION_SENSOR.
Keyword: *INITIAL_FOAM_REFERENCE_GEOMETRY
Calculate nodal mass and d3hsp mass properties of parts based on initial
foam reference geometry instead of deformed geometry at initial state.
Keyword: *DAMPING_PART_STIFFNESS
Fix bug when damping is enabled in *DAMPING_PART_STIFFNESS and rayleigh
damping energy is computed per RYLEN=2 in *CONTROL_ENERGY; shells
may have had spurious stresses.
Keyword: *DEFINE_BOX_LOCAL
Fix bug affecting LOCAL option of *DEFINE_BOX.
Keyword: *SET_PART_LIST_GENERATE
Fix bug affecting *SET_PART_LIST_GENERATE when *PART_MOVE is present (null
set was created).
Keyword: *SET_…_COLLECT
Fixed bug for *SET_SEGMENT_COLLECT and attributes of *SET_*_COLLECT.
All attributes of *SET_PART_COLLECT, *SET_NODE_COLLECT and
*SET_SHELL_COLLECT were not copied to the new set.
Keyword: *PART_ANNEAL
Add *PART_ANNEAL for MPP. Zeroes stress in part at specified time.
