From 556f918121a610e889fbf64e9d8d0fb55eccaa16 Mon Sep 17 00:00:00 2001
From: 4rmuuser <4rmuuser@win.ansys.com>
Date: Fri, 24 Oct 2025 20:09:08 -0400
Subject: [PATCH] DPF doc update for 261 (2025.10.24)
---
.../changelog/changelog.md | 136 +++++++++++++++---
1 file changed, 117 insertions(+), 19 deletions(-)
diff --git a/2026R1/dpf-framework-26-r1/changelog/changelog.md b/2026R1/dpf-framework-26-r1/changelog/changelog.md
index 492cdd2b7..60af3bb33 100644
--- a/2026R1/dpf-framework-26-r1/changelog/changelog.md
+++ b/2026R1/dpf-framework-26-r1/changelog/changelog.md
@@ -1,6 +1,6 @@
# Changelog
-Changes since the last released version for DPF 26.1.pre1 (as of 2025-10-22).
+Changes since the last released version for DPF 26.1.pre1 (as of 2025-10-24).
This changelog is organized by category, with sections for different types of updates (new features, bug fixes, changes, performance improvements).
@@ -9,31 +9,32 @@ The following table shows which components have updates in each category.
| Component | Features | Fixes |
|-----------|----------|----------|
| cff | [2 items](#Features_cff) | |
+| cgns | [1 item](#Features_cgns) | |
| changelog | [2 items](#Features_changelog) | |
| ci | [1 item](#Features_ci) |[1 item](#Fixes_ci) |
| compression | [2 items](#Features_compression) | |
| core | |[1 item](#Fixes_core) |
| cyclic | [1 item](#Features_cyclic) | |
| doc | [2 items](#Features_doc) | |
-| dpf | |[1 item](#Fixes_dpf) |
+| dpf | [2 items](#Features_dpf) |[1 item](#Fixes_dpf) |
| eng_mat | |[1 item](#Fixes_eng_mat) |
| expansion | [1 item](#Features_expansion) | |
| fbs | [2 items](#Features_fbs) | |
| femutils | |[2 items](#Fixes_femutils) |
| framework | [2 items](#Features_framework) |[1 item](#Fixes_framework) |
| grpc | [1 item](#Features_grpc) |[1 item](#Fixes_grpc) |
-| h5dpf | |[1 item](#Fixes_h5dpf) |
-| h5dpf,cgns | [1 item](#Features_h5dpf,cgns) | |
+| h5dpf | [1 item](#Features_h5dpf) |[1 item](#Fixes_h5dpf) |
| hdf5 | [4 items](#Features_hdf5) | |
| hgp | [2 items](#Features_hgp) | |
| kernel | [1 item](#Features_kernel) |[1 item](#Fixes_kernel) |
| lsdyna | [1 item](#Features_lsdyna) | |
-| mapdl | [8 items](#Features_mapdl) |[13 items](#Fixes_mapdl) |
-| math | [5 items](#Features_math) | |
-| mechanical | [1 item](#Features_mechanical) |[2 items](#Fixes_mechanical) |
+| mapdl | [11 items](#Features_mapdl) |[14 items](#Fixes_mapdl) |
+| mapdlpluggin | |[1 item](#Fixes_mapdlpluggin) |
+| math | [6 items](#Features_math) | |
+| mechanical | [1 item](#Features_mechanical) |[3 items](#Fixes_mechanical) |
| mesh | |[1 item](#Fixes_mesh) |
| misc | [11 items](#Features_misc) |[19 items](#Fixes_misc) |
-| native | |[1 item](#Fixes_native) |
+| native | |[2 items](#Fixes_native) |
| perf | [2 items](#Features_perf) | |
| prime | [2 items](#Features_prime) | |
| pydpf | |[1 item](#Fixes_pydpf) |
@@ -62,6 +63,18 @@ The following table shows which components have updates in each category.
>
>
+## cgns
+### Features
+
+- Expose is_mesh_available operator:
+ >
+ >
+ > Expose `is_mesh_available` for cgns and h5dpf files.
+ >
+ >
+ >
+ >
+
## changelog
### Features
@@ -160,6 +173,17 @@ The following table shows which components have updates in each category.
>
## dpf
+### Features
+
+- Improvement of indexById performance.':
+ >
+
+- Improvement of indexById performance.:
+ > feat(dpf): Improvement of indexById performance.
+ >
+ >
+ >
+ >
### Fixes
@@ -287,17 +311,7 @@ The following table shows which components have updates in each category.
>
>
## h5dpf
-
-### Fixes
-
-- Fix thickness extraction from SMISC/NMISC from h5dpf file:
- > Fix thickness extraction from SMISC/NMISC from h5dpf file
- >
- >
- >
- >
-## h5dpf,cgns
-### Features
+### Features
- Expose is_mesh_available operator:
>
@@ -308,6 +322,14 @@ The following table shows which components have updates in each category.
>
>
+### Fixes
+
+- Fix thickness extraction from SMISC/NMISC from h5dpf file:
+ > Fix thickness extraction from SMISC/NMISC from h5dpf file
+ >
+ >
+ >
+ >
## hdf5
### Features
@@ -395,6 +417,31 @@ The following table shows which components have updates in each category.
## mapdl
### Features
+- Refactor ElementType handling to increase performance:
+ >
+ >
+ > Refactor the way ElementTypes are handled inside DPF mapdl Operators.
+ >
+ >
+ >
+ >
+
+- Nodal results on changing meshes:
+ > Allow to read nodal results on changing meshes (adaptive model with NLAD or SMART Crack growth)
+ >
+ >
+ >
+ >
+
+- Add ability to record all the skipped mesh elements:
+ >
+ >
+ > The mesh provider of MAPDL result file now has the ability to record any skipped element, and debug log will log skipped elements during result reading
+ >
+ >
+ >
+ >
+
- Add eExtendMidNodesPin in Source Operator for ElementalNodal Operators:
> Add a pin `eExtendMidNodesPin` in source operators to allow to remove mid-nodes when averaging from `ElementalNodal` to `Nodal`
>
@@ -459,6 +506,13 @@ The following table shows which components have updates in each category.
### Fixes
+- Fix expansion of element nodal forces (ENF):
+ > Fix the expansion of inertial element nodal forces
+ >
+ >
+ >
+ >
+
- Avoid reading MCF at each chunk computation:
> Bug fix to enhance performance on MCF requests.
>
@@ -555,9 +609,26 @@ The following table shows which components have updates in each category.
>
>
>
+## mapdlpluggin
+
+### Fixes
+
+- Pluggin stream name db_live need to be in GetFirstStream:
+ > add db_live to GetFirstStream for generic operators
+ >
+ >
+ >
+ >
## math
### Features
+- Create new operator to do QR solve with fields containers:
+ > Create a new operator to perform QR solve with fields containers
+ >
+ >
+ >
+ >
+
- Add input_dof_index support in make_tf_input+modal_solve workflow:
>
>
@@ -603,6 +674,11 @@ The following table shows which components have updates in each category.
### Fixes
+- Fix error with multiRPM cases and cutoff frequency:
+ > Fix error with multiRPM cases and cutoff frequency.
+ >
+ >
+
- Fix issue with unordered source times in mechanical::time_freq:interpolation:
>
>
@@ -920,6 +996,13 @@ The following table shows which components have updates in each category.
### Fixes
+- Fix shell layers support for scale_by_field operator:
+ > Scale_by_field operator supports now fields with shell layers.
+ >
+ >
+ >
+ >
+
- Scaling factors for absolute normalization in ErrorAndNorm have a wrong size:
> Absolute normalization in ErrorAndNorm ("error_and_norm") operator was exporting scaling factors with a size of the original data instead of having only one unit value per field.
>
@@ -1321,6 +1404,16 @@ The following table shows which components have updates in each category.
> 0.0.1: Fix handling of empty fields in mode shapes.
+- [scale_by_field](https://ansys-a.devportal.io/docs/dpf-framework-2026-r1/operator-specifications/math/scale_by_field.md)
+
+ > 0.0.1: Add support of fields with shell layers
+
+
+- [scale_by_field_fc](https://ansys-a.devportal.io/docs/dpf-framework-2026-r1/operator-specifications/math/scale_by_field_fc.md)
+
+ > 0.0.1: Add support of fields with shell layers
+
+
- [sweeping_phase](https://ansys-a.devportal.io/docs/dpf-framework-2026-r1/operator-specifications/math/sweeping_phase.md)
> 0.0.1: Clarify the documentation.
@@ -1369,6 +1462,11 @@ The following table shows which components have updates in each category.
#### metadata
+- [element_types_provider](https://ansys-a.devportal.io/docs/dpf-framework-2026-r1/operator-specifications/metadata/element_types_provider.md)
+
+ > 0.1.0: Added the possibility to output a PropertyField.
+
+
- [timefreqsupport::get_attribute](https://ansys-a.devportal.io/docs/dpf-framework-2026-r1/operator-specifications/metadata/timefreqsupport::get_attribute.md)
> 0.1.0: Add new supported property name 'step_id_from_harmonic_index' returning an int.