# Solid Mechanics / FEA **URL:** https://www.simscale.com/forum/c/using-simscale/fea/10.md [Latest](https://www.simscale.com/forum/latest.md) · [Categories](https://www.simscale.com/forum/categories.md) --- ## [A collection of FEA resources](https://www.simscale.com/forum/t/a-collection-of-fea-resources/70649)
**Author:** [@jousefm](https://www.simscale.com/forum/u/jousefm)\ **Replies:** 3\ **Last updated:** [May 2, 2022, 8:39pm UTC](https://www.simscale.com/forum/t/a-collection-of-fea-resources/70649 "2022-05-02T20:39:54Z")
In this thread we provide you with the best resources you need to understand the functionalities of SimScale, set up your own simulations and learn about the theoretical fundamentals of the interesting field of the Fin… --- ## [Handling bolted joint connections in structural FEA — bonded contact vs. modeling real preload?](https://www.simscale.com/forum/t/handling-bolted-joint-connections-in-structural-fea-bonded-contact-vs-modeling-real-preload/101214)
**Author:** [@marcomaesgs1](https://www.simscale.com/forum/u/marcomaesgs1)\ **Replies:** 1\ **Last updated:** [August 11, 2026, 4:20pm UTC](https://www.simscale.com/forum/t/handling-bolted-joint-connections-in-structural-fea-bonded-contact-vs-modeling-real-preload/101214 "2026-08-11T16:20:09Z")
I’m analyzing a bolted assembly and trying to decide how much detail the bolted connections actually need for a trustworthy structural result. The simplifications range from very crude to very expensive, and I’d like to … --- ## [Modal + harmonic vibration setup for a 6S4P battery pack structure — how to model cells and apply base excitation](https://www.simscale.com/forum/t/modal-harmonic-vibration-setup-for-a-6s4p-battery-pack-structure-how-to-model-cells-and-apply-base-excitation/101113)
**Author:** [@marcomaesgs1](https://www.simscale.com/forum/u/marcomaesgs1)\ **Replies:** 1\ **Last updated:** [June 19, 2026, 12:03pm UTC](https://www.simscale.com/forum/t/modal-harmonic-vibration-setup-for-a-6s4p-battery-pack-structure-how-to-model-cells-and-apply-base-excitation/101113 "2026-06-19T12:03:40Z")
Background: This continues the same custom 6S4P 21700 Li-ion pack (~22 V nominal, ~1000 Wh) I’ve been simulating for a portable industrial device. I’ve looked at the thermal side already; now I want to evaluate the stru… --- ## [Discrepancy between Abaqus and SimScale for simple uniaxial 3D hex-mesh bar: rigid body modes and stress distribution](https://www.simscale.com/forum/t/discrepancy-between-abaqus-and-simscale-for-simple-uniaxial-3d-hex-mesh-bar-rigid-body-modes-and-stress-distribution/101030)
**Author:** [@biswabhanu\_puh](https://www.simscale.com/forum/u/biswabhanu_puh)\ **Replies:** 1\ **Last updated:** [May 15, 2026, 10:35am UTC](https://www.simscale.com/forum/t/discrepancy-between-abaqus-and-simscale-for-simple-uniaxial-3d-hex-mesh-bar-rigid-body-modes-and-stress-distribution/101030 "2026-05-15T10:35:28Z")
I am comparing a very simple uniaxial bar problem between Abaqus and SimScale and observing a discrepancy that I would like to understand better. Problem setup Simple rectangular 3D bar Linear elastic steel Pure… --- ## [Impossible to acces Solution Fields](https://www.simscale.com/forum/t/impossible-to-acces-solution-fields/100775)
**Author:** [@valmo92](https://www.simscale.com/forum/u/valmo92)\ **Replies:** 2\ **Last updated:** [February 18, 2026, 6:24pm UTC](https://www.simscale.com/forum/t/impossible-to-acces-solution-fields/100775 "2026-02-18T18:24:00Z")
Hi, I was trying to do a test on a simple mecanical structure but I don’t have acces to the Solution Fields. error message and codes : “Something went wrong, please retry the operation later. If the issue persists, … --- ## [Complex FEA test - need help](https://www.simscale.com/forum/t/complex-fea-test-need-help/100521)
**Author:** [@roro\_dada](https://www.simscale.com/forum/u/roro_dada)\ **Replies:** 0\ **Last updated:** [November 7, 2025, 1:53pm UTC](https://www.simscale.com/forum/t/complex-fea-test-need-help/100521 "2025-11-07T13:53:05Z")
Hi everyone, I am currently working on a seat bracket system and would like to simulate a stress test on them to check if they would be able to be certificated (FIA 5588-2021). I would like to have rigid seat+pads witho… --- ## [Critical shaft speed - Campell diagram](https://www.simscale.com/forum/t/critical-shaft-speed-campell-diagram/100296)
**Author:** [@asjo](https://www.simscale.com/forum/u/asjo)\ **Replies:** 1\ **Last updated:** [August 12, 2025, 12:48pm UTC](https://www.simscale.com/forum/t/critical-shaft-speed-campell-diagram/100296 "2025-08-12T12:48:40Z")
Hi everyone, Anybody know of a public project or tutorial showing a case to analyse a rotating shaft to look for the critical speed(s) and get out data to make a campell diagram. More specific I want to analyse a shaft… --- ## [Laser Powder Bed Fusion (LPBF) simulation](https://www.simscale.com/forum/t/laser-powder-bed-fusion-lpbf-simulation/100083)
**Author:** [@Fardim1130](https://www.simscale.com/forum/u/Fardim1130)\ **Replies:** 1\ **Last updated:** [May 21, 2025, 6:38pm UTC](https://www.simscale.com/forum/t/laser-powder-bed-fusion-lpbf-simulation/100083 "2025-05-21T18:38:38Z")
Hello, I’ve a continuous laser heat source (laser diameter: 25μm, power; 200W) and it’s moving with a speed of 300 mm/s. This laser heat source will melt the solid metal (Steel 316L) \[dimensions of the metal bar: 2 \* 0.… --- ## [Real world FEA validation](https://www.simscale.com/forum/t/real-world-fea-validation/81577)
**Author:** [@ejohnathon](https://www.simscale.com/forum/u/ejohnathon)\ **Replies:** 1\ **Last updated:** [February 1, 2018, 6:19pm UTC](https://www.simscale.com/forum/t/real-world-fea-validation/81577 "2018-02-01T18:19:27Z")
Are there any simscale simulations that were validated using strain gauges or anything like that in the real world? I know there is a list of validation cases ( Validation Cases | Cloud-Based CAE Simulation | SimScale ) … --- ## [A Quick Question](https://www.simscale.com/forum/t/a-quick-question/28994)
**Author:** [@CadManDo](https://www.simscale.com/forum/u/CadManDo)\ **Replies:** 29\ **Last updated:** [April 28, 2017, 10:51am UTC](https://www.simscale.com/forum/t/a-quick-question/28994 "2017-04-28T10:51:14Z")
I created 2 Load Conditions along with the Gravity Condition (is this to calculate the self weight). is there a way to view each condition result on it's own and not a result of the sum of them all, without creating mesh… --- ## [3D Printed JIG Strength analysis](https://www.simscale.com/forum/t/3d-printed-jig-strength-analysis/98298)
**Author:** [@karl\_diaz](https://www.simscale.com/forum/u/karl_diaz)\ **Replies:** 2\ **Last updated:** [April 15, 2024, 4:18pm UTC](https://www.simscale.com/forum/t/3d-printed-jig-strength-analysis/98298 "2024-04-15T16:18:55Z")
Hello all, I am designing a fixture to be 3d printed out of PA12 Nylon via MJF technology. I need to understand if the material is strong enough to hold the weight of the manifold (plus valves and fittings). I have no … --- ## [Partial Selection for a Bonded Surface Contact in FEA](https://www.simscale.com/forum/t/partial-selection-for-a-bonded-surface-contact-in-fea/98409)
**Author:** [@kevin\_perera](https://www.simscale.com/forum/u/kevin_perera)\ **Replies:** 3\ **Last updated:** [May 10, 2024, 12:58pm UTC](https://www.simscale.com/forum/t/partial-selection-for-a-bonded-surface-contact-in-fea/98409 "2024-05-10T12:58:56Z")
Hello There, I am currently working on a compliant beam design where I have some unique contacts. Im essentially deflecting two plastic beams from a fixed contact in a much larger assembly. I’m looking for a way to defi… --- ## [Static non-linear setup validation](https://www.simscale.com/forum/t/static-non-linear-setup-validation/98255)
**Author:** [@sgopal\_krishna](https://www.simscale.com/forum/u/sgopal_krishna)\ **Replies:** 8\ **Last updated:** [April 13, 2024, 2:22pm UTC](https://www.simscale.com/forum/t/static-non-linear-setup-validation/98255 "2024-04-13T14:22:31Z")
I get the following error if I turn on ‘non-linear analysis’ option. “We encountered an error while trying to validate the simulation setup. Please note that even if the validation appears to have passed, there may stil… --- ## [Meshing NotchedPlate](https://www.simscale.com/forum/t/meshing-notchedplate/98243)
**Author:** [@Armine](https://www.simscale.com/forum/u/Armine)\ **Replies:** 1\ **Last updated:** [April 3, 2024, 6:29pm UTC](https://www.simscale.com/forum/t/meshing-notchedplate/98243 "2024-04-03T18:29:42Z")
Hello, I can not find how to mesh. Who can help me? --- ## [Simulation setup has errors](https://www.simscale.com/forum/t/simulation-setup-has-errors/98226)
**Author:** [@rhutson](https://www.simscale.com/forum/u/rhutson)\ **Replies:** 4\ **Last updated:** [April 3, 2024, 3:37pm UTC](https://www.simscale.com/forum/t/simulation-setup-has-errors/98226 "2024-04-03T15:37:54Z")
I keep getting this error and I don’t know how to solve it: No contacts/connectors were defined for some sub-assemblies. These won’t interact with the rest of your model and the simulation will likely fail. You can use … --- ## [Node selection is not allowed](https://www.simscale.com/forum/t/node-selection-is-not-allowed/98012)
**Author:** [@Youssef\_Samir](https://www.simscale.com/forum/u/Youssef_Samir)\ **Replies:** 4\ **Last updated:** [February 6, 2024, 5:02pm UTC](https://www.simscale.com/forum/t/node-selection-is-not-allowed/98012 "2024-02-06T17:02:27Z")
Hello I am working on a project which is FEA on a drone arm and I want to apply a fixed value boundary condition on a node but the node button is greyed and I can not select it, so what is the problem? --- ## [Cyclic Symmetry Questions](https://www.simscale.com/forum/t/cyclic-symmetry-questions/37569)
**Author:** [@cschmidt](https://www.simscale.com/forum/u/cschmidt)\ **Replies:** 2\ **Last updated:** [August 18, 2016, 2:23pm UTC](https://www.simscale.com/forum/t/cyclic-symmetry-questions/37569 "2016-08-18T14:23:33Z")
I have two questions about "Cyclic Symmetry". How should I interpret the results using Cyclic Symmetry? Are the results only for that portion or the total solution? Example: Are reaction forces based on the portion … --- ## [Boundary condition issues](https://www.simscale.com/forum/t/boundary-condition-issues/97783)
**Author:** [@phanikrishnasai](https://www.simscale.com/forum/u/phanikrishnasai)\ **Replies:** 5\ **Last updated:** [November 24, 2023, 6:43am UTC](https://www.simscale.com/forum/t/boundary-condition-issues/97783 "2023-11-24T06:43:01Z")
I have been trying to make a 3 roller bending machine simulation to see how aluminum extrusions of different cross-sections bend to predict their bendability and minimum radius. The 3 rollers are made of nylon and the ex… --- ## [Constraining u-joint for static tensile load](https://www.simscale.com/forum/t/constraining-u-joint-for-static-tensile-load/97762)
**Author:** [@ldon1234](https://www.simscale.com/forum/u/ldon1234)\ **Replies:** 4\ **Last updated:** [November 14, 2023, 10:53am UTC](https://www.simscale.com/forum/t/constraining-u-joint-for-static-tensile-load/97762 "2023-11-14T10:53:48Z")
Hello, I’m having trouble constraining and relating the two yokes and cross in a universal joint assembly. I would like to see the stresses when the yokes are under an axial, tensile load. It seems like pinned connect… --- ## [FEA help with Orthotropic Parameter Values for Western Red Cedar 12%mc OR 'accounting for wood grain in FEA'](https://www.simscale.com/forum/t/fea-help-with-orthotropic-parameter-values-for-western-red-cedar-12-mc-or-accounting-for-wood-grain-in-fea/97746)
**Author:** [@DaleKramer](https://www.simscale.com/forum/u/DaleKramer)\ **Replies:** 2\ **Last updated:** [November 10, 2023, 10:31am UTC](https://www.simscale.com/forum/t/fea-help-with-orthotropic-parameter-values-for-western-red-cedar-12-mc-or-accounting-for-wood-grain-in-fea/97746 "2023-11-10T10:31:29Z")
I have found a pdf that has pretty extensive listings of mechanical properties for wood and I am trying to fill in all the orthotropic parameters for a Western Red Cedar at 12%mc as a new material in my FEA project. He… --- ## [Tire Rolling on Snow, How to input angular velocity?!](https://www.simscale.com/forum/t/tire-rolling-on-snow-how-to-input-angular-velocity/89869)
**Author:** [@Melhadidy](https://www.simscale.com/forum/u/Melhadidy)\ **Replies:** 3\ **Last updated:** [August 19, 2020, 9:21pm UTC](https://www.simscale.com/forum/t/tire-rolling-on-snow-how-to-input-angular-velocity/89869 "2020-08-19T21:21:57Z")
Hello, My Case is to investigate how a new tire rubber will behave on snow. so I went with Dynamic simulation, My input for the tire is angular velocity (RAD/S) so can anyone please tell me how to input angular veloc… --- ## [Dynamic analysis](https://www.simscale.com/forum/t/dynamic-analysis/95048)
**Author:** [@anon9613397](https://www.simscale.com/forum/u/anon9613397)\ **Replies:** 9\ **Last updated:** [February 23, 2022, 5:17pm UTC](https://www.simscale.com/forum/t/dynamic-analysis/95048 "2022-02-23T17:17:13Z")
hi I am trying to model box on the back of the truck that is only fixed by bolts from it bottom. I want to model the effect of the inertia force when the truck accelerates and decelerates. so i am not sure which model… --- ## [How can I assign entities to boundary conditions or contacts?](https://www.simscale.com/forum/t/how-can-i-assign-entities-to-boundary-conditions-or-contacts/19723)
**Author:** [@ahmedhussain18](https://www.simscale.com/forum/u/ahmedhussain18)\ **Replies:** 0\ **Last updated:** [April 28, 2016, 10:07am UTC](https://www.simscale.com/forum/t/how-can-i-assign-entities-to-boundary-conditions-or-contacts/19723 "2016-04-28T10:07:29Z")
Assigning entities to either boundary conditions or contacts in SimScale is very simple and intuitive. An animation below shows how to assign faces to the boundary condition by simply selecting them from the viewer by th… --- ## [Impact simulation](https://www.simscale.com/forum/t/impact-simulation/83363)
**Author:** [@tdijkstra](https://www.simscale.com/forum/u/tdijkstra)\ **Replies:** 5\ **Last updated:** [November 8, 2018, 8:16pm UTC](https://www.simscale.com/forum/t/impact-simulation/83363 "2018-11-08T20:16:12Z")
Hi all, I want to \[simulate the impact of two plastic parts\]. One hits the other with a speed of 1.4 m/s. The moving part does not rotate. The fixed part should deform as a result of the impact. I’ve modelled the case a… --- ## [Translating Forces](https://www.simscale.com/forum/t/translating-forces/97586)
**Author:** [@elijahlee](https://www.simscale.com/forum/u/elijahlee)\ **Replies:** 4\ **Last updated:** [September 29, 2023, 3:05pm UTC](https://www.simscale.com/forum/t/translating-forces/97586 "2023-09-29T15:05:13Z")
Hey so I’ve got everything set up with my project and ran some simulations. The whole thing is basically a wheel on a shaft, spinning inside a box with supports. I assign my forces to my shaft since that’s where the weig… --- ## [Compatibility issues with the browser to run guided project](https://www.simscale.com/forum/t/compatibility-issues-with-the-browser-to-run-guided-project/97571)
**Author:** [@drkatti](https://www.simscale.com/forum/u/drkatti)\ **Replies:** 1\ **Last updated:** [September 21, 2023, 2:31pm UTC](https://www.simscale.com/forum/t/compatibility-issues-with-the-browser-to-run-guided-project/97571 "2023-09-21T14:31:36Z")
Hello All, I am trying to learn simscale through a guided project on FEA. But when I open the Simscale workbench, model is not opening and an error is shown about the compatability of the browser. When I check the compa… --- ## [Non-linear and Dynamic analysis](https://www.simscale.com/forum/t/non-linear-and-dynamic-analysis/97541)
**Author:** [@iburlo](https://www.simscale.com/forum/u/iburlo)\ **Replies:** 6\ **Last updated:** [September 18, 2023, 12:39pm UTC](https://www.simscale.com/forum/t/non-linear-and-dynamic-analysis/97541 "2023-09-18T12:39:04Z")
hi, the bottom is solid metal and the top is an ABS plate with applied force in the middle. is want to simulate the displacement of the top plate using a dynamic analysis. the run was canceled with the following: … --- ## [Fictitious Clearance](https://www.simscale.com/forum/t/fictitious-clearance/6943)
**Author:** [@BenLewis](https://www.simscale.com/forum/u/BenLewis)\ **Replies:** 9\ **Last updated:** [September 13, 2023, 3:53pm UTC](https://www.simscale.com/forum/t/fictitious-clearance/6943 "2023-09-13T15:53:58Z")
I would like to get a better understanding of how the Fictitious Clearance works. If my geometry contains a gap of 2 mm and I apply a fictitious clearance of 1 mm. Will the solver force the gap to 1 mm or 3 mm? --- ## [Large Contact Penetration](https://www.simscale.com/forum/t/large-contact-penetration/97397)
**Author:** [@aforrest](https://www.simscale.com/forum/u/aforrest)\ **Replies:** 1\ **Last updated:** [August 9, 2023, 2:04pm UTC](https://www.simscale.com/forum/t/large-contact-penetration/97397 "2023-08-09T14:04:30Z")
I’m trying to simulate contact between a rigid and fairly soft body, but I keep seeing excessive penetration in the results. I’ve tried to work with the solution settings, time steps and contact stiffness but nothing has… --- ## [The Finite Element Method - Fundamentals - Strong and Weak Form for 1D problems \[5\]](https://www.simscale.com/forum/t/the-finite-element-method-fundamentals-strong-and-weak-form-for-1d-problems-5/57940)
**Author:** [@jousefm](https://www.simscale.com/forum/u/jousefm)\ **Replies:** 3\ **Last updated:** [August 2, 2023, 10:12am UTC](https://www.simscale.com/forum/t/the-finite-element-method-fundamentals-strong-and-weak-form-for-1d-problems-5/57940 "2023-08-02T10:12:09Z")
After a long break I am back with a new interesting post about the Weak and Strong forms in the Finite Element Method! Introduction The mathematical models of heat conduction and elastostatics covered in Chapter 2 of th… [Next page](https://www.simscale.com/forum/c/using-simscale/fea/10.md?page=1)