PFC 7.00 Update

Download Recent Update

Latest Version: 7.00.154 (Description)
Released On: Donnerstag, Sep. 29, 2022

Update Instructions

Download the update file to a convenient location and double-click on the file.

A Linux version is currently under development. To find out more about this, please contact our PFC development and support team.

Supplementary Files

For those interested in calibrating or simulating laboratory testing of rock core samples using PFC 6.0 or PFC 5.0, an updated version of FISHTank, now called Material Modeling Support, is available to download for free.

For those interested in the creation and triaxial testing of a synthetic unsaturated granular material containing geogrid using PFC3D 6.0 or PFC3D 5.0, the Pavement-Design Package, is available to download for free.

PFC 7.00 64-bit Update

Software Update Revisions

Revision Date Description
154 Sep. 29, 2022

New features and improvements:
- PFC Add more robust aspect ratio computation in 3D.
- PFC Include the pore pressure when bonded.

Bug Fixes:
- Fix bug on structure list.
- Correct structure list on ID/CID.
- Correct issue of read-only properties for IMASS.
- 3DEC Joined rigid blocks now give values for entire joined volume when queried with FISH (velocity, rotational velocity, mass, MOI, moment).
- 3DEC X-local keyword added to block cut tunnel command to solve problem with table keyword cutting the tunnel in an undesired orientation.
- PFC Fix 2D relative velocity computation.

153 Aug. 28, 2022

New features and improvements:
- Add error messages once history/particle trace/update interval is zero which may cause crash.
- Correction all stress-strength-ratio into strength-stress-ratio in doc.

Bug Fixes:
- Fix bug in license clock sync test for web license.
- Fix |FISH| intrinsic zone.mech.prop.name not accepting 2nd argument.
- 3DEC Fix contact area calculation for mismatched rigid blocks.
- 3DEC Fix bug in join flow when using BLOCK ZONE GEN-NEW.
- PFC Fix bug in zone joint save/restore.
- PFC Fix springnetwork model unbonded behavior. Also add a relative factor for expansion without rounding and install-gaps to the traction command.

152 Juli 18, 2022

New features and improvements:
- Updated the web license system to be more tolerance of intermittent connections.
- Slight numerical improvement on Norsand model.
- Python Update Python API documentation to include history access and FLAC3D interface access.
- PFC Set fracture FISH intrinsics as multithreaded.

Bug Fixes:
- Fix bug on DXF import.
- Fix user-defined model templates.
- FLAC3D Fix bug on interface plot for exporting/importing via datafile.
- PFC Fix bugs in fracture connectivity command.
- PFC Fix periodic space bugs for rblock-rblock contacts and for the springnetwork contact model.

151 Juli 2, 2022

New features and improvements:
- Add an option to omit past states when plotting yield states.
- Slight update on exponent plotitem attribute.
- FLAC3D Enable multiply modifier to zone gridpoint fix command.
- PFC Change criteria to check for bonding which is more reasonable.

Bug Fixes:
- Fix bug when exporting user-defined data plotting to a datafile by group.
- Fix bug on contour legend missing some intervals for some special cases.
- FLAC3D Fix bug of tensor-type plot of extra data.
- PFC Fix bug when plotting rigid blocks in 2D with translation.
- PFC Fix potential bug in erosion/dilation due to nearly coincident planes.

150 Juni 8, 2022

New features and improvements:
- Add a new property rotation to the orthotropic model.

Bug Fixes:
- Fix a bug in implicitly shared FISH data types with possible memory leak.
- Fix security on lease option.
- Fix geogrid plot on coupling stress.
- 3DEC Fix bugs in fracture intersection compute with-geometry.
- PFC Fix a bug and improve the performance of importing by about a factor of 2.
- PFC Fix N squared loop that could be triggered with attaches at the start of a cycle sequence.

149 Mai 17, 2022

New features and improvements:
- Fix bug to FISH list/pointer combination which may cause crash during restoring.
- Fix license instance issue.
- FLAC3D Add some missing FISH documentation.
- 3DEC Add warnings if model config energy is on and the block insitu command is given before properties are assigned.
- 3DEC Add face and vertex to subcontact plot queries.
- 3DEC Add QUIET as a synonym for VISCOUS in block gridpoint apply command.
- PFC Document the optional expand with the wall generate box command.

Bug Fixes:
- Fix bug with dfn.delete intrinsic.
- 3DEC Fix bug in finite element face location.
- 3DEC Fix bug in automatic zone deletion.
- 3DEC Fix plots in the UCS Voronoi example problem.
- 3DEC Fix bug in applying temperature BCs to joined gridpoints.
- 3DEC Fix bug in block remove command when fixed blocks are present.
- 3DEC Fix bug in contact material table when assigning constitutive model and properties with the same command.
- 3DEC Fix slow assignment of zone thermal and fluid properties.

148 Apr. 20, 2022

New features and improvements:
- Add "history rename" command.
- NorSand model update.
- FLAC3D Adjust zone-based-pp logic so that it will initialize zone-based pore-pressure from gridpoint pore-pressure.
- 3DEC Add keyword flowzone-new to block zone generate and block zone generate-new commands. This uses a new triangulation scheme for creating flow zones.
- 3DEC Add fish intrinsic cable.strain.plastic.
- PFC Allow for exporting generalized clump templates.
- PFC Add the rblock-facet-tolerance keyword for rblock-facet contact activity.

Bug Fixes:
- Fix Python usage itasca.sel.Cable.set_area to accept arguments.
- Fix bug that history default name might not be its ID.
- Fix history list all command not have IDs.
- Fix structure resultant histories.
- Fix issue occurring on Windows with save/restore of Python variables when the size of the pickled data is large.
- FLAC3D Fix possible crash when zone at a history location is nulled or deleted.
- 3DEC Fix bug in save/restore of block contact material table when using range group-intersection.
- PFC Fix offset misnomer for contact.
- PFC Fix bug when querying a clump template made of rblocks or balls.
- PFC Fix bug with rblock bricks.
- PFC Fix the facet-total command to be active unless the ignore-when-cycling keyword is given.
- PFC Fix bug when importing non-manifold skin.
- PFC Fix issue with listing DAVect2 values.

147 März 7, 2022

New features and improvements:
- Ongoing documentation improvements.
- Add side number as an argument for FISH intrinsic struct.liner.normal.stress and struct.liner.shear.stress.
- FLAC3D Add a query for face area.
- 3DEC Add block.subcontact.state.string as in the docs.
- 3DEC Add range output to block contact material-table list.
- PFC Add applied force to stress for rigid blocks.
- PFC Add FISH intrinsic rblock.axis.long.
- PFC Add the rblock contact-resolution install-gaps command.
- PFC Add combined damping to rigid blocks through the rblock damping command.

Bug Fixes:
- Fix issue with intersection testing for overlapping convex polygons.
- Fix bug on geometry FISH extra assignments.
- Fix DFN memory increase issue.
- Fix plot of applied pressure for shell and liner.
- FLAC3D Fix bug of separation logic for large-strain mode.
- FLAC3D Adjust tolerance to solve failed stress-initialization for very small zone sizes.
- 3DEC Fix slider and input box behavior in hybrid bolt calibration tool.
- 3DEC Fix bug in fragment calculations with merged blocks.
- 3DEC Fix bug in plotting block fixity.
- 3DEC Fix bug related to joint set IDs when cutting Voronoi blocks.
- PFC Fix small strain computations with rigid blocks.
- PFC Fix rigid block periodic space contact detection.

146 Jan. 17, 2022

New features and improvements:
- Ongoing documentation improvements.
- Update security logic.
- FLAC3D Improve interface initialization, thus improve CPU performance for relax excavation with many interfaces.

Bug Fixes:
- PFC Fix issue with clumps in bricks.

145 Jan. 5, 2022

New features and improvements:
- Ongoing documentation improvements.
- Update security logic.
- Fix crash when plotting geometry after importing a geometry with only edges but no real polygons.
- Improve color-map attribute for interface plot by node.
- 3DEC Add |FISH| function block.subcontact.partner.
- 3DEC Add warnings if block face apply does not apply boundary conditions to any faces.
- 3DEC Improve block fixity label plot to show direction of fixity.
- PFC More robust checking of facet information.

Bug Fixes:
- FLAC3D Improve and fix free-field creation for grid with tet zones.
- 3DEC Fix bug in creation of histories for points slightly outside of the model.
- 3DEC Fix bug in block mechanical mass-scale command.
- PFC Fix the nulling so the contacts aren't deleted but inhibited.

144 Dez. 2, 2021

New features and improvements:
- Ongoing documentation improvements.
- Update security logic.
- Add zone joint command.
- FLAC3D Some algorithm optimization for Plastic-Hardening model.
- PFC Fix softbond and springnetwork contact models with dashpots and bonded.
- 3DEC Add range jmodel command.
- 3DEC Add fish functions to access finite element gauss point data.
- PFC Add hybrid bolt example.
- PFC Add document contact.force.from.stress intrinsic.

Bug Fixes:
- 3DEC Fix in solving with rigid blocks when not fixed in all degrees of freedom.
- 3DEC Fix in DFN intersection with geometry calculation.
- 3DEC Some fixes to block dynamic eigen command.
- 3DEC Some fixes to command conversion tool.
- 3DEC Fix in deleting blocks that have been excavated and filled.
- 3DEC Fix in plot commands for subcontacts.
- 3DEC Fix in block.face.next fish function.
- PFC Fix dowel contour plot tolerance issue in rblock applied stress conditions.

143 Nov. 2, 2021

New features and improvements:
- Ongoing documentation improvements.
- Update of anisotropic-ubiquitous model.
- Remove some IMASS properties from read-only list.
- FLAC3D Add flag-brittle property to Soft-Soil model.
- FLAC3D Improve zone separation for a grid with bad zones from Griddle.
- PFC Update "Generating a bonded assembly" tutorial.
- PFC Augment rblock.template.find intrinsic to accept ID or name.

Bug Fixes:
- Fix possible incorrect warning in "geometry import" command where set name is explicitly assigned.
- FLAC3D Fix creep time step configuration that input minimum time step may be ignored.
- FLAC3D Correct read-only properties for some models.
- FLAC3D Fix bug when assigning density through python function set_prop.
- 3DEC Fix bug in block zone gen rezone.
- 3DEC Fix bug in timestep determination for long, thin rigid blocks.
- 3DEC Fix computation for quality stress tensor.
- PFC Fix intermediate/maximum principal stress issue in 2D if max principal stress is positive.
- PFC Fix bug if recovering principal values of a null stress tensor in 2D.

142 Okt. 1, 2021

New features and improvements:
- Ongoing documentation improvements.
- Update security logic.
- Add a warning when importing a geometry and if the set already exists.
- Check if a model property is read-only when setting a property.
- Update of the anisotropic-ubiquitous model.
- FLAC3D Backward-support for separation so that it works even faces has been separated and without attach.
- FLAC3D property "strain-plastic" in Hoek-Brown model is now writable.
- 3DEC Add FISH function block.subcontact.near.list.
- 3DEC Add input to block contact tolerance command to also set tolerance for subcontacts.

Bug Fixes:
- Fix interactive ranges of rectangle, ellipse and polygon.
- FLAC3D Fix energy work.
- FLAC3D Fix the history of zone field data of unbalance force.
- FLAC3D Fix NMD determinism issue
- 3DEC Fix bug in block.face.gp function. Can now input a gp number greater than 3.
- 3DEC Fix minor bugs in sel-block linking.
- PFC Fix the joint scrolling

141 Aug. 14, 2021

New features and improvements:
- Ongoing documentation improvements.
- FLAC3D Add hybrid structure.
- PFC Add a FISH intrinsic fracture.vertexlist intrinsic.
- PFC Add a FISH intrinsic fracture.decimate for disk shaped fractures.

Bug Fixes:
- Track down and repair a spurious FP overflow set when using ANGLE.
- Fix a crash if a GROUP range element in a plot was set to a slot that did not exist in the current model.
- FLAC3D Fixe a problem when apply conditions were created during cycling using command/endcommand.
- FLAC3D Fix keyword "multiply" work in zone.initialize.stress-principal command.
- FLAC3D Decrease the tolerance on the hit same point twice detection.
- FLAC3D Small fix to the zone.interface.node.initialize-stresses command.
- 3DEC Fixed bug in block.face.apply.velocity-normal for merged blocks.
- PFC Fix error messages and allow for the normal and shear displacement to be set.
- PFC Fix missing repeat block identifiers causing inline help issues.

140 Juli 24, 2021

New features and improvements:
- Ongoing documentation improvements.
- Add ability to merge coplanar fractures into convex fractures using a distance criteria.
- PFC Add the ability to use FISH lists as contact properties.
- PFC Add dipole example utilizing FISH lists.
- PFC Allow rigid block contacts to use the lineardipole model.
- PFC Add brick FISH intrinsics returning the brick extent bounds.

Bug Fixes:
- FLAC3D Fix the VARY keyword with apply conditions.
- 3DEC Fix bug in zone plot item.
- PFC Fix rblock.property intrinsic when using clumped rigid blocks.
- PFC Fix rblock-rblock contact gap when long range interactions are used.
- PFC Fix velocity based timestep constraint for clumped rigid blocks.
- PFC Fix rigid block connectivity deletion bug for templates.
- PFC Reset the accumulated stress if there are no contact forces.
- PFC Fix 2D rigid block curvatures.
- PFC Fix thermal power accumulation bug.
- PFC Fix clumped piece intrinsic access bugs.
- PFC When copying rigid blocks also copy the surface properties.

139 Juli 10, 2021

New features and improvements:
- Ongoing documentation improvements.
- PFC Version 7.00 has been moved from Pre-Release to Release state.
- PFC Document the linear dipole contact model.
- PFC Add verification for spring network and linear dipole models.
- PFC Document FISH contact model.
- PFC Document and include the C++ Contact Model Plugin utility.

Bug Fixes:
- Fix wedge cut plotting.
- Fix range parsing when using the BY keyword.
- FLAC3D Fix interface logic for fluid implicit solver.
- 3DEC Fix common plane bug.
- PFC Fix interpolation in the spring network model.

137 Mai 18, 2021

New features and improvements:
- Ongoing documentation improvements.
- Update security logic.
- add FISH intrinsics struct.shell.stress.max and struct.shell.stress.min and corresponding python accesses.
- Increase max iterations from 50 to 100 for FOS calculation with keyword "bracket-limit".
- FLAC3D Remove the upper limit of constant-alpha in Plastic-Hardening model.
- 3DEC Change SHMohr joint constitutive model to maintain current friction when slipping stops.
- 3DEC Now load SELPython module.
- 3DEC Add flowplane vertex list command.
- 3DEC Add FISH intrinsic block.subcontact.state.string.

Bug Fixes:
- 3DEC Fix to softening-healing joint model.
- 3DEC Changed fragment calculation so that the fragment ids correspond to the volume (1 = largest).
- PFC Fix bug in rblock distribute command.
- PFC Fix regression when restoring a save file from version 6.0.

136 Apr. 28, 2021

New features and improvements:
- Ongoing documentation improvements.
- Update security logic.
- Optimization for a model with many geometry sets.
- Add grout friction and cohesion table-like properties for cable.
- 3DEC Add a new nonlinear joint model.
- FLAC3D Add error notifications when separating faces connected to face apply conditions (stress) as well as face gp apply conditions (velocity).
- PFC Add tensor support to the base plotitems used in PFC with quantities.
- PFC Add rblock.facet.isgroup and rblock.facet.group.remove FISH intrinsics.

Bug Fixes:
- Fix range logic of rectangle and ellipse with an apex (pyramid-like).
- Fix possible crash when plotting model properties.
- Fix crash bug in interface plots if you activate a cut plane with solid off.
- Fix bug in fracture temperature dip-direction-limits command.
- 3DEC Fix random crash with plotting.
- FLAC3D Allow assignment of FISH intrinsics gp.force.load and gp.mass.add be thread-safe.
- FLAC3D Fix interface creation when two sides have different zone sizes.

135 März 31, 2021

New features and improvements:
- Ongoing documentation improvements.
- Update security logic.
- 3DEC Add block initialize rvelocity command.
- 3DEC Add rockbolt example and document.
- FLAC3D Remove the property "index-softening" from NorSand model.
- FLAC3D Add a property "exponent" to P2PSand model.
- PFC Add the ball accumulate-stress and clump accumulate-stress commands.

Bug Fixes:
- Fix re-population of the list during cycling.
- 3DEC Fix bug in cables plastic tensile strain was not being saved.
- 3DEC Fix bug in flowplane zone list command.
- 3DEC Fix bug in block plotting.
- 3DEC Fix hybrid bolt bug that dowels were not installed on joined joints.
- 3DEC Fix bug in block.go.temp FISH intrinsic.
- PFC Fix relative velocity computation in periodic space.

134 März 23, 2021

New features and improvements:
- Ongoing documentation improvements.
- Update security logic.
- 3DEC Add histories for hydraulic and mechanical aperture.
- FLAC3D improve searching target zone of interface node
- FLAC3D Add an error massage when initializing stress without assigning a non-null constitutive model.
- PFC Add ability to specify groups to inlet particles.
- PFC Allow cutting at any point of the cycle sequence and speed up contact detection.
- PFC Update springnetwork model.

Bug Fixes:
- Fix string comparison difference.
- Fix the FISH Global symbol control set when it is the only set on the screen.
- 3DEC Fix archiving and plot commands for block group plot item.
- 3DEC Fix bug in flowplane pressure plotting.
- 3DEC Fix bug in BLOCK GRIDPOINT APPLY-REMOVE VEL command.
- 3DEC Fixes to block.gridpoint.apply-remove.vel-n command.
- PFC Fix potential issues when rotating model components with the inlet logic.
- PFC Fix 2D issues on rigid block, rblock, getJointGeometry and stress installation.
- PFC Fix bug with incrementally updating contact information in periodic space.
- PFC Fix the keep-contact issue.

133 März 5, 2021

New features and improvements:
- Ongoing documentation improvements.
- Add the ability in Python to use group indices.
- Make the velocity and displacement range elements applicable to all codes.
- Cut plane improvements.
- 3DEC Add BLOCK FACE APPLY VELOCITY-NORMAL command.
- PFC Add springnetwork example in 3D.
- PFC Change code status to PRE-RELEASE from BETA.

Bug Fixes:
- Fix group.find and group.find.slot documentation.
- Fix crash when deleting groups.
- Fix 2D cellspace bug.
- 3DEC Fix configure in the Options menu in 3DEC.
- 3DEC Fix bug in joint plotting.
- 3DEC Fix bug in calculation of solve ratio when SELs are present in 3DEC.
- FLAC3D Fix properties not visible in Inline Help.
- PFC Fix importing multiple bricks from file.

132 Feb. 23, 2021

New features and improvements:

  • Ongoing documentation improvements.
  • Add the FRACTURE JOINT-SET command similar to the BLOCK JOINT-SET command in 3DEC.
  • 3DEC Increase block limit for demo version from 40 to 50.
  • 3DEC Added face groups to BLOCK LIST POLY output.
  • 3DEC Speed up gridpoint group range by adding gridpoint-face links.
  • 3DEC Improve new zoning command, adding the CLEAR and LIST keywords to the BLOCK ZONE SIZE command.
  • 3DEC Add the softening healing creep joint model.
  • FLAC3D Allow users to DELETE zones without a license.
  • FLAC3D Remove license check in commands ZONE CREATE FROM-EXTRUDER and ZONE CREATE FROM-BUILDING-BLOCKS.
  • PFC Version 7.00 has been moved to Pre-Release.
  • PFC Add clump.stress FISH intrinsic and make all clump FISH intrinsics multi-threaded.
  • PFC All computational modules are loaded as with FLAC3D.
  • PFC Add rotating/translating inlet logic for particle creation.
  • PFC Add more robust rblock aspect ratio computation.
  • PFC Expand PFC histories to support tensors and vectors using the COMPONENT and QUANTITY keywords.
  • PFC Expand PFC histories to support extra variables.
  • PFC Add simple stress apply conditions for rblock facets.
  • PFC Add the RBLOCK DENSIFY command to refine the size of rblocks through recursive cutting.
  • PFC Add the RBLOCK DILATE command to dilate by a specified distance without rounding.
  • PFC Reduce the number of properties when plotting PFC contacts.
  • PFC Update the dip and dip-direction properties immediately for smoothjoint contacts when then geometry is updated.
  • PFC Add the INITIALIZE method to the flatjoint contact to install a force and a moment when bonded.

Bug Fixes:

  • Fix movie export bug.
  • Fix the domain.strain.rate FISH intrinsic.
  • Fix bug that can cause cut-planes to have holes.
  • Fix dynamic wizard issue on high resolution monitors.
  • 3DEC Fix BLOCK FRAGMENT command.
  • 3DEC Fix command conversion for FRAGMENT command.
  • 3DEC Fix bug that may cause errors when very large merged blocks area present.
  • 3DEC Fix bug in subcontact history when specifying dip and dip-direction.
  • FLAC3D Fix determinism bug in ZONE INITIALIZE-STRESS command.
  • FLAC3D Fix save/restore of the StressTensor apply condition used in the EMBEDDED BOUNDARY command.
  • FLAC3D Fix fluid computations.
  • FLAC3D Fix 2D structure plot item that displays the maximum outer-fiber stress.
  • PFC Fix closest point on rblock in 2D for contact resolution with spheres.
  • PFC Fix rblock.group.list FISH intrinsic.
  • PFC Fix clump issue with rblock.group.list FISH intrinsic.
  • PFC Fix crash bug with clump domain contacts when breaking the clumps.
  • PFC Fix rblock structural element issue with mixed deformable/rigid connections.
  • PFC Fix bugs when importing rblocks from grid files.
  • PFC Fix rblock deletion bug.
  • PFC Fix keyword mismatch in BALL TRACTION command.

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