In the following, all relevant software changes between the release version 7.5.0 and the previous are listed.
Released May 2022
| Sector |
Item |
Description |
| Usability |
Cloud Simulations |
FEFLOW / FePEST GUIs support now the use of DHI MIKE Cloud ressources for one or multiple FEFLOW / FePEST runs at the time. |
| Usability |
Material Regions |
Definition of material regions for the 2D/3D Supermesh now with external map files. |
| Usability |
Material Regions |
Visualization of material regions in the 2D Supermesh View. |
| Usability |
Borehole Heat Exchanger (BHE) |
New implementation for assignment of BHEs through external map files via Parameter Association dialog. This functionality supports the assignment of large numbers of BHEs as well as with different BHE datasets. |
| Numerics |
Solver PETSc and Hypre |
Full support of GPU-accelerated AMG solver with PETSc and HYPRE. |
| Extensions |
Hydrodynamics |
Several major improvements to piMIKE1D for the coupling between FEFLOW and MIKE1D |
| Console |
New switch -logcpu |
Possibility to record the CPU usage and number of iterations of a specific solver during a batch run. |
| Relevance |
Fixed issue |
| Medium |
Software crash after deleting DFEs with dual-node connectors is fixed. |
| Medium |
Memory leak with PARDISO solver is fixed. |
| Medium |
Python callback postLoadTimeStep() is fixed |
| Medium |
Steady-state age multi-species transport is supported again. |
| Low |
The recording of unsaturated-flow parameters by doc.enableParameterRecording is fixed. |
| Low |
Visualization of time-varying material data for partially-unstructured meshes is fixed. |
| Low |
Better handling of refine mesh operation for cases with 1D-arbitrary DFEs. |
| Low |
Improvements in Kriging interpolation within the FePEST context. |
| Low |
FEFLOW plug-ins can now be attached to DAC files. |
| Low |
The assignment of Multilayer wells via Parameter Association is fixed. |
| Low |
Refreshement issue in the Subdomain Rate Budget panels has been fixed. |
| Low |
Assignment of boundary conditions using polygonal map files is now possible. |
| Low |
Option "Assign multiple" is fixed now for Unsaturated-flow parameters. |
| Low |
Export conductvity values from a DAC Resul file now does not produce duplicate values. |
| Low |
Modulation functions are now dropped after changing the Problem Class from Transient to Steady-State. |
| Low |
Several improvements to the assignment of BHE via the Parameter Asssociation dialog have been done. |
| Low |
Overlapping of isoline labels in high-resolution monitors is fixed. |
| Low |
Performance issue by loading large FePEST *.fps files is fixed. |
| Low |
2D Polylines in FEFLOW *.fem files are not lost anymore after exporting the FEM document from FePEST. |
| Low |
License error of FEFLOW DHI plug-ins via Python is fixed. |
| Low |
Several improvements of Snapshot export in cross-sectional views are done. |
| Low |
Parameter definitions in FePEST using DFEs is now fixed. |
| Low |
Software crash by using macro in 3D Layer Configurator is now fixed. |
Released November 2021
| Sector |
Item |
Description |
| Usability |
Material Regions |
New conceptual modelling approach for defining material information before generating a mesh. Support of material regions and parameter lookup tables for fast model updates. |
| Usability |
Selection management |
Possibility to group (ungroup) selections, sort selections and do operations of content/budget analysis at the group level. |
| Numerics |
Solver PETSc |
New solver package PETSc including Krylov-based methods, AMG solver and GPU-accelerated preconditioning. |
| Numerics |
Solver SAMG |
Support of new SAMG version 2020 for enhanced memory management and improved parallelization. |
| Numerics |
Error norms |
Separate error norm type and tolerance per problem class (flow, mass and heat). |
| Usability |
BHE and BHE Interconnector |
A new input unit (Energy demand) for BHE configuration. |
| Usability |
Support of DFS2 files |
A new file import of DFS2 files (e.g., MIKE SHE results) is supported. |
| Usability |
Material assignment |
New data regionalization method “Area-weighted Projection”. |
| Usability |
Velocity calculation |
Significant performance improvement for the velocity calculation in models with BC constraints, and discrete feature elements and Multilayer wells. |
| FePEST |
Support of PEST++ package |
PEST++ includes a new model run manager, IES and GLM. |
| IFM / Python |
Several APIs |
Access to more than 20 new APIs to support the new conceptual modelling approach. |
| IFM / Python |
Multi-threading control |
New multi-threading control for FEFLOW Python runs. |
| Console |
New solver switch |
New option to perform a switch in the equation solver in the FEFLOW console. |
| Extensions |
FEFLOW Hydrodynamics |
Custom Feature “Hydrodynamics” for analyzing the interaction between surface water and groundwater (coupling FEFLOW and MIKE 1D engines). |
| Relevance |
Fixed issue |
| Medium |
FEFLOW MS plug-in is updated to support latest MS Office's updates. |
| Medium |
Software crash during assignment of more then one BHE is fixed. |
| Low |
Exporting multiple time-steps in DAC file is fixed. |
| Low |
Anisotropy setting via Python is fixed. |
| Low |
Labeling of MLW curve names is consistent with previous versions. |
| Low |
Visualization of BHE links is fixed. |
| Low |
Values of BHE Editor are now editable. |
| Low |
Numerical precision used for exporting to external files is improved. |