# Latest **URL:** https://prepomax.discourse.group/latest.md [Latest](https://prepomax.discourse.group/latest.md) · [Categories](https://prepomax.discourse.group/categories.md) · [Tags](https://prepomax.discourse.group/tags.md) --- ## [PrePoMax website](https://prepomax.discourse.group/t/prepomax-website/2108)
**Author:** [@Matej](https://prepomax.discourse.group/u/Matej)\ **Replies:** 32\ **Last updated:** [April 4, 2025, 7:42am UTC](https://prepomax.discourse.group/t/prepomax-website/2108 "2025-04-04T07:42:57Z")
Currently, our university network was breached by a cybersecurity attack, so the network is unavailable. With it, the PrePoMax homepage is also down. I hope our guys will fix this problem soon. --- ## [Welcome to Discourse](https://prepomax.discourse.group/t/welcome-to-discourse/7)
**Author:** [@system](https://prepomax.discourse.group/u/system)\ **Replies:** 0\ **Last updated:** [February 1, 2022, 9:41am UTC](https://prepomax.discourse.group/t/welcome-to-discourse/7 "2022-02-01T09:41:50Z")
Here you can discuss PrePoMax related questions, add new feature requests and report bugs. --- ## ["Failed with results" but results look normal](https://prepomax.discourse.group/t/failed-with-results-but-results-look-normal/3681)
**Author:** [@CosmoKramer](https://prepomax.discourse.group/u/CosmoKramer)\ **Replies:** 6\ **Last updated:** [September 22, 2026, 5:44pm UTC](https://prepomax.discourse.group/t/failed-with-results-but-results-look-normal/3681 "2026-09-22T17:44:47Z")
I’m modelling a wall-slab intersection (v 2.5.0) and getting Failed with results but results look normal (graphically and numerically). First time facing such ‘error’. Anyone has any idea why this is happening? Screensho… --- ## [Importation issue with version 2.6.2 dev](https://prepomax.discourse.group/t/importation-issue-with-version-2-6-2-dev/3683)
**Author:** [@Nemo](https://prepomax.discourse.group/u/Nemo)\ **Replies:** 1\ **Last updated:** [September 22, 2026, 3:24pm UTC](https://prepomax.discourse.group/t/importation-issue-with-version-2-6-2-dev/3683 "2026-09-22T15:24:10Z")
Hello, first thanks for the v2.6.2 dev ! Just a question, i tried to import a siple stp part from my desktop. On version v2.6.2 dev this message appears ! But when i tried on a previous version (v2.5.1 dev) it works… … --- ## [How to output section forces for a beam element (B31)?](https://prepomax.discourse.group/t/how-to-output-section-forces-for-a-beam-element-b31/3684)
**Author:** [@Pavel1](https://prepomax.discourse.group/u/Pavel1)\ **Replies:** 1\ **Last updated:** [September 22, 2026, 3:21pm UTC](https://prepomax.discourse.group/t/how-to-output-section-forces-for-a-beam-element-b31/3684 "2026-09-22T15:21:34Z")
Hello everyone, I am trying to get internal section forces (forces and bending moments) for a beam element (B31) in PrePoMax. I am using this beam element to model a bolt in my assembly. --- ## [Regarding the irradiation creep conditions](https://prepomax.discourse.group/t/regarding-the-irradiation-creep-conditions/3680)
**Author:** [@nori](https://prepomax.discourse.group/u/nori)\ **Replies:** 1\ **Last updated:** [September 21, 2026, 11:56am UTC](https://prepomax.discourse.group/t/regarding-the-irradiation-creep-conditions/3680 "2026-09-21T11:56:23Z")
Dear Sir or Madam I am a researcher specializing in nuclear materials, and I am particularly interested in using PrePoMax to analyze irradiation creep. Regarding gamma heating, I believe that the resulting heat generati… --- ## [A new developer/preview PrePoMax version v2.6.2 has been released](https://prepomax.discourse.group/t/a-new-developer-preview-prepomax-version-v2-6-2-has-been-released/3644)
**Author:** [@Matej](https://prepomax.discourse.group/u/Matej)\ **Replies:** 22\ **Last updated:** [September 21, 2026, 11:39am UTC](https://prepomax.discourse.group/t/a-new-developer-preview-prepomax-version-v2-6-2-has-been-released/3644 "2026-09-21T11:39:47Z")
The new version of PrePoMax contains the following FEM features: added support for Quadwild mesher (quad shell mesher) added mass computation for parts and assemblies - query added kinetic energy reader for .dat file b… --- ## [Node vs. integration point result?](https://prepomax.discourse.group/t/node-vs-integration-point-result/3679)
**Author:** [@Tsvetan](https://prepomax.discourse.group/u/Tsvetan)\ **Replies:** 2\ **Last updated:** [September 21, 2026, 6:55am UTC](https://prepomax.discourse.group/t/node-vs-integration-point-result/3679 "2026-09-21T06:55:05Z")
Greetings, everyone! I started changing positions of recently as a mechanical engineer to a FEA analyst and focused on reading more about the nitty-gritty of PrePoMax. I stumbled across the topic of nodes and integratio… --- ## [How to analyze simply supported hollow rectangular section with point load on it?](https://prepomax.discourse.group/t/how-to-analyze-simply-supported-hollow-rectangular-section-with-point-load-on-it/3676)
**Author:** [@appdotjs](https://prepomax.discourse.group/u/appdotjs)\ **Replies:** 7\ **Last updated:** [September 21, 2026, 6:43am UTC](https://prepomax.discourse.group/t/how-to-analyze-simply-supported-hollow-rectangular-section-with-point-load-on-it/3676 "2026-09-21T06:43:24Z")
Hi everyone, I am new to prepomax and I want to learn prepomax. I want to analyze a simply supported beam with point load ? How do I do it ? Last time I tried to do that the entire beam was crushed --- ## [Nonpositive jacobian](https://prepomax.discourse.group/t/nonpositive-jacobian/1712)
**Author:** [@busrasahh](https://prepomax.discourse.group/u/busrasahh)\ **Replies:** 11\ **Last updated:** [September 18, 2026, 5:49am UTC](https://prepomax.discourse.group/t/nonpositive-jacobian/1712 "2026-09-18T05:49:37Z")
Hello, When I analyze, I encounter a nonpositive error. I saw an error similar to this on the forum, but when I examined it, it did not answer my problem. --- ## [Transparent plot](https://prepomax.discourse.group/t/transparent-plot/1392)
**Author:** [@Siggi](https://prepomax.discourse.group/u/Siggi)\ **Replies:** 6\ **Last updated:** [September 17, 2026, 2:45pm UTC](https://prepomax.discourse.group/t/transparent-plot/1392 "2026-09-17T14:45:30Z")
Hi! Is it possible to make the contour plot transparent for upper/lower bound values? In inventor Fusion I can drag the contour slide bar up and down to highlight a certain range of results. The rest is transparent: … --- ## [Mesh size for optimal results](https://prepomax.discourse.group/t/mesh-size-for-optimal-results/3675)
**Author:** [@calimero22](https://prepomax.discourse.group/u/calimero22)\ **Replies:** 3\ **Last updated:** [September 17, 2026, 2:43pm UTC](https://prepomax.discourse.group/t/mesh-size-for-optimal-results/3675 "2026-09-17T14:43:07Z")
Hi everyone. It’s a general question… I designed a balcony and applied a load to it. In the first simulation (mesh max. 80 mm, min. 20 mm), the maximum stress was 67 MPa. In the second simulation (mesh max. 10 mm, mi… --- ## [Extrude/revolve faces of elements (orphan mesh operations?)](https://prepomax.discourse.group/t/extrude-revolve-faces-of-elements-orphan-mesh-operations/3669)
**Author:** [@SergioP1975](https://prepomax.discourse.group/u/SergioP1975)\ **Replies:** 7\ **Last updated:** [September 16, 2026, 1:19pm UTC](https://prepomax.discourse.group/t/extrude-revolve-faces-of-elements-orphan-mesh-operations/3669 "2026-09-16T13:19:48Z")
Hi, very often I has to create end miters for different profiles, so will be great to have the possibility of extruding/revolving selected faces of elements, even if it breaks the associativity with the part mesh definit… --- ## [Local coordinate system not working for points load or for point BC and for gravity load](https://prepomax.discourse.group/t/local-coordinate-system-not-working-for-points-load-or-for-point-bc-and-for-gravity-load/3040)
**Author:** [@Michal](https://prepomax.discourse.group/u/Michal)\ **Replies:** 14\ **Last updated:** [September 16, 2026, 7:19am UTC](https://prepomax.discourse.group/t/local-coordinate-system-not-working-for-points-load-or-for-point-bc-and-for-gravity-load/3040 "2026-09-16T07:19:45Z")
I have question why local coordinate system not working for points load or for poits BC and for gravity load? --- ## [FEMaster as a FEM solver](https://prepomax.discourse.group/t/femaster-as-a-fem-solver/3572)
**Author:** [@TKosir](https://prepomax.discourse.group/u/TKosir)\ **Replies:** 50\ **Last updated:** [September 16, 2026, 5:01am UTC](https://prepomax.discourse.group/t/femaster-as-a-fem-solver/3572 "2026-09-16T05:01:49Z")
Greetings, I have randomly stumbled upon this FEM project called FEMaster: GitHub - Luecx/FEMaster · GitHub I have not yet tried it out, but the documentation seems extensive, the syntax is similar to Abaqus and there … --- ## [Mesh generation error](https://prepomax.discourse.group/t/mesh-generation-error/3660)
**Author:** [@Agazzotti](https://prepomax.discourse.group/u/Agazzotti)\ **Replies:** 13\ **Last updated:** [September 15, 2026, 4:19pm UTC](https://prepomax.discourse.group/t/mesh-generation-error/3660 "2026-09-15T16:19:58Z")
The mesh is not being generated for the attached model, and I don’t understand why. I created a compound part to ensure the meshes making up the model are conformal. Thanks in advance to everyone for the help. A. Con… --- ## [Assembly joints for solids and shells](https://prepomax.discourse.group/t/assembly-joints-for-solids-and-shells/3671)
**Author:** [@FEAnalyst](https://prepomax.discourse.group/u/FEAnalyst)\ **Replies:** 15\ **Last updated:** [September 15, 2026, 3:33pm UTC](https://prepomax.discourse.group/t/assembly-joints-for-solids-and-shells/3671 "2026-09-15T15:33:52Z")
Predefined joints handled by coupling and equation constraints? Awesome! --- ## [Export individual (selected) meshed parts](https://prepomax.discourse.group/t/export-individual-selected-meshed-parts/3665)
**Author:** [@SergioP1975](https://prepomax.discourse.group/u/SergioP1975)\ **Replies:** 4\ **Last updated:** [September 14, 2026, 5:35pm UTC](https://prepomax.discourse.group/t/export-individual-selected-meshed-parts/3665 "2026-09-14T17:35:13Z")
I use a lot Prepomax for meshing, and very often I need to export some parts of an assembly, not all the parts. Could it be added an option to export only the selected meshed parts? --- ## [Gasket FEA with PrePoMax](https://prepomax.discourse.group/t/gasket-fea-with-prepomax/3670)
**Author:** [@fatehjit1989](https://prepomax.discourse.group/u/fatehjit1989)\ **Replies:** 3\ **Last updated:** [September 14, 2026, 9:55pm UTC](https://prepomax.discourse.group/t/gasket-fea-with-prepomax/3670 "2026-09-14T21:55:29Z")
Hi, I am running a 3D bolted joint FEA using PrePoMax. Is it possible to define 2 different Young’s modulas for a material under different conditions or steps. I was aiming for defining a loading and a separate unload… --- ## [Wrong Stress Results with function "Compound Part"](https://prepomax.discourse.group/t/wrong-stress-results-with-function-compound-part/121)
**Author:** [@PhilippTheEngineer](https://prepomax.discourse.group/u/PhilippTheEngineer)\ **Replies:** 18\ **Last updated:** [September 14, 2026, 8:54pm UTC](https://prepomax.discourse.group/t/wrong-stress-results-with-function-compound-part/121 "2026-09-14T20:54:11Z")
Hi all, i recently saw that with the compound part function the stresses in parts are wrong. I set up an example for a glued connection. Here i do have 2 Steel Parts which are connected with glue: Now i modeled two… --- ## [Result Intepretation](https://prepomax.discourse.group/t/result-intepretation/150)
**Author:** [@TOMIN](https://prepomax.discourse.group/u/TOMIN)\ **Replies:** 11\ **Last updated:** [September 14, 2026, 10:50am UTC](https://prepomax.discourse.group/t/result-intepretation/150 "2026-09-14T10:50:44Z")
There is nodal result in PrePoMax for stresses. In ANSYS we have averaged, unaveraged stress, nodal difference …etc for stress result. To which of the above stress result in ANSYS ( which I have mentioned above) is compa… --- ## [Error creating 2D models in v2.6.1 dev](https://prepomax.discourse.group/t/error-creating-2d-models-in-v2-6-1-dev/3623)
**Author:** [@Flare](https://prepomax.discourse.group/u/Flare)\ **Replies:** 4\ **Last updated:** [September 13, 2026, 11:25pm UTC](https://prepomax.discourse.group/t/error-creating-2d-models-in-v2-6-1-dev/3623 "2026-09-13T23:25:57Z")
When I try and create a new 2D model in this version it gives me the following error: This is before you even attempt to import any geometry. --- ## [Laminate ABD matrix direct input](https://prepomax.discourse.group/t/laminate-abd-matrix-direct-input/3666)
**Author:** [@Giuseppe](https://prepomax.discourse.group/u/Giuseppe)\ **Replies:** 1\ **Last updated:** [September 13, 2026, 12:46pm UTC](https://prepomax.discourse.group/t/laminate-abd-matrix-direct-input/3666 "2026-09-13T12:46:56Z")
Good morning, I’d like to know if it’s possible to directly input the laminate ABD matrix, possibly with the keywords ? I know it’s possible to specify E\_L, E\_T etc of each ply , but for my analysis I want to input the… --- ## [Symmetry transformation](https://prepomax.discourse.group/t/symmetry-transformation/1328)
**Author:** [@m\_farrokh](https://prepomax.discourse.group/u/m_farrokh)\ **Replies:** 17\ **Last updated:** [September 11, 2026, 7:07pm UTC](https://prepomax.discourse.group/t/symmetry-transformation/1328 "2026-09-11T19:07:53Z")
Hi It seems that something is wrong with symmetry transformation in PrePoMax. I created a model to simulate a hollow plate under tension. Due to the X and Y symmetry planes only one quarter of it has been modeled as fol… --- ## [2D\_with\_kinematic\_coupling](https://prepomax.discourse.group/t/2d-with-kinematic-coupling/3605)
**Author:** [@Stathiskardaris](https://prepomax.discourse.group/u/Stathiskardaris)\ **Replies:** 7\ **Last updated:** [September 11, 2026, 6:48pm UTC](https://prepomax.discourse.group/t/2d-with-kinematic-coupling/3605 "2026-09-11T18:48:49Z")
Greetings group, I have an issue with 2 plates connected with kinematic coupling from the same reference node. When i apply explicit displacement to the ref. node, the displacement applies only to 1 plate. Any suggesti… --- ## [Message: Index and length must refer to a location within the string](https://prepomax.discourse.group/t/message-index-and-length-must-refer-to-a-location-within-the-string/3621)
**Author:** [@Maxing](https://prepomax.discourse.group/u/Maxing)\ **Replies:** 2\ **Last updated:** [September 11, 2026, 6:46pm UTC](https://prepomax.discourse.group/t/message-index-and-length-must-refer-to-a-location-within-the-string/3621 "2026-09-11T18:46:58Z")
--- ## [How can I plot the internal and kinematic energy in PrePoMax?](https://prepomax.discourse.group/t/how-can-i-plot-the-internal-and-kinematic-energy-in-prepomax/1654)
**Author:** [@Majid](https://prepomax.discourse.group/u/Majid)\ **Replies:** 16\ **Last updated:** [September 11, 2026, 6:46pm UTC](https://prepomax.discourse.group/t/how-can-i-plot-the-internal-and-kinematic-energy-in-prepomax/1654 "2026-09-11T18:46:33Z")
Hello, I hope you are doing well. As you know, there is a possibility to plot the internal and kinematic energy after finishing a simulation. Does anyone know how I can plot them in PrePoMax? --- ## [Error when opening results depending on element type (v2.6.0 & v2.6.2 dev)](https://prepomax.discourse.group/t/error-when-opening-results-depending-on-element-type-v2-6-0-v2-6-2-dev/3649)
**Author:** [@Baek](https://prepomax.discourse.group/u/Baek)\ **Replies:** 6\ **Last updated:** [September 11, 2026, 6:45pm UTC](https://prepomax.discourse.group/t/error-when-opening-results-depending-on-element-type-v2-6-0-v2-6-2-dev/3649 "2026-09-11T18:45:56Z")
Hello, everyone. This is my first post here. Recently, when clicking the “Results” button after completing a Static Analysis in the latest versions (v2.6.0 & v2.6.2.dev), I encounter the following error: The ele… --- ## [PPM crashes with very large result files when animating time increments](https://prepomax.discourse.group/t/ppm-crashes-with-very-large-result-files-when-animating-time-increments/3643)
**Author:** [@febing](https://prepomax.discourse.group/u/febing)\ **Replies:** 11\ **Last updated:** [September 11, 2026, 11:53am UTC](https://prepomax.discourse.group/t/ppm-crashes-with-very-large-result-files-when-animating-time-increments/3643 "2026-09-11T11:53:35Z")
Hello Matey, i have large result files with hundreds of increments. PPM crashes when it tries to animate that increments. Is it possible to upload such an file (\> 1GB zipped) to you? Best regards, Frank --- ## [Convergence Issue - probably because of contact definition](https://prepomax.discourse.group/t/convergence-issue-probably-because-of-contact-definition/3662)
**Author:** [@gmssi](https://prepomax.discourse.group/u/gmssi)\ **Replies:** 7\ **Last updated:** [September 11, 2026, 10:54am UTC](https://prepomax.discourse.group/t/convergence-issue-probably-because-of-contact-definition/3662 "2026-09-11T10:54:16Z")
Hello everyone, I’m a new user to prepomax and calculix. I am running a case where you have a softer body pushed against a harder one, forming an indent. The following figure gives a good idea about the geometry (unfortu… [Next page](https://prepomax.discourse.group/latest.md?page=1)