# Project Support **URL:** https://www.simscale.com/forum/c/project-support/30.md?page=1 [Latest](https://www.simscale.com/forum/latest.md) · [Categories](https://www.simscale.com/forum/categories.md) **Page:** 2 --- ## [Support requested for unrealistic results following CHT tutorial](https://www.simscale.com/forum/t/support-requested-for-unrealistic-results-following-cht-tutorial/101280)
**Author:** [@WillemHexspoor](https://www.simscale.com/forum/u/WillemHexspoor)\ **Replies:** 1\ **Last updated:** [August 21, 2026, 3:34pm UTC](https://www.simscale.com/forum/t/support-requested-for-unrealistic-results-following-cht-tutorial/101280 "2026-08-21T15:34:43Z")
I’m trying to complete the Tutorial: Battery Pack Cooling of an FSAE Car, however my results do not match the expected outcome. I’ve double checked the instructions from the tutorial, but I can’t pin point what I’m doing… --- ## [Magnetostatic analysis not running](https://www.simscale.com/forum/t/magnetostatic-analysis-not-running/101228)
**Author:** [@awc008](https://www.simscale.com/forum/u/awc008)\ **Replies:** 2\ **Last updated:** [August 13, 2026, 10:32am UTC](https://www.simscale.com/forum/t/magnetostatic-analysis-not-running/101228 "2026-08-13T10:32:54Z")
I want to get analysis on a halbach array with iron back plate to clamp the weak field side. I have specified all permanent magnets and their directions with normal fields, and the backplate is just cast iron (soft magne… --- ## [Convective heat transfer simulation help](https://www.simscale.com/forum/t/convective-heat-transfer-simulation-help/101261)
**Author:** [@evanwagoner](https://www.simscale.com/forum/u/evanwagoner)\ **Replies:** 1\ **Last updated:** [August 11, 2026, 4:13pm UTC](https://www.simscale.com/forum/t/convective-heat-transfer-simulation-help/101261 "2026-08-11T16:13:52Z")
Trying to simulate the airflow of the inlet and outlet in a bus compartment that is driven by the joule heating of a bus bar. The simulation keeps on diverging, as seen in error. Have current in and out, electrical poten… --- ## [NACA Airfoil 0012 CFD Trouble](https://www.simscale.com/forum/t/naca-airfoil-0012-cfd-trouble/101271)
**Author:** [@Arthans](https://www.simscale.com/forum/u/Arthans)\ **Replies:** 1\ **Last updated:** [August 11, 2026, 4:07pm UTC](https://www.simscale.com/forum/t/naca-airfoil-0012-cfd-trouble/101271 "2026-08-11T16:07:16Z")
Hi yall, I’m setting up aerodynamics simulation in SimScale for a NACA 0012 airfoil and I’m stuck on a setup error. Current setup: Simulation type: Incompressible external flow Geometry consists of: Part 1 = NACA 00… --- ## [Simulation Diverges - Looking for Support](https://www.simscale.com/forum/t/simulation-diverges-looking-for-support/101276)
**Author:** [@braindeaduser](https://www.simscale.com/forum/u/braindeaduser)\ **Replies:** 1\ **Last updated:** [August 11, 2026, 3:19pm UTC](https://www.simscale.com/forum/t/simulation-diverges-looking-for-support/101276 "2026-08-11T15:19:05Z")
Compressible Analysis for Drag & Temperature | SimScale Workbench I am a college student using the Compressible simulation to investigate how varying nose radii affects the trade-off between thermal protection and aerod… --- ## [Thermomechanical problem](https://www.simscale.com/forum/t/thermomechanical-problem/100734)
**Author:** [@gerardsola](https://www.simscale.com/forum/u/gerardsola)\ **Replies:** 2\ **Last updated:** [June 25, 2026, 4:46pm UTC](https://www.simscale.com/forum/t/thermomechanical-problem/100734 "2026-06-25T16:46:27Z")
Problem Description: I am simulating a tool assembly (Extrusion Die and Head) made of dissimilar materials. The goal is to observe how differential thermal expansion causes the initial contact interface to separate (ope… --- ## [Geometry problem regarding compressible flow over a nosecone](https://www.simscale.com/forum/t/geometry-problem-regarding-compressible-flow-over-a-nosecone/101150)
**Author:** [@SophisFox](https://www.simscale.com/forum/u/SophisFox)\ **Replies:** 1\ **Last updated:** [June 25, 2026, 11:03am UTC](https://www.simscale.com/forum/t/geometry-problem-regarding-compressible-flow-over-a-nosecone/101150 "2026-06-25T11:03:35Z")
I want to analyze a rocket nosecone at mach 0.9 using compressible flow. Currently, the nosecone is comprised of the nosecone wall (in black) and a base at x=3 with radius 0.5 (in red). However, in this form, when I trie… --- ## [Can someone please help me with this file for CFD](https://www.simscale.com/forum/t/can-someone-please-help-me-with-this-file-for-cfd/101147)
**Author:** [@Sans866](https://www.simscale.com/forum/u/Sans866)\ **Replies:** 2\ **Last updated:** [June 24, 2026, 12:24pm UTC](https://www.simscale.com/forum/t/can-someone-please-help-me-with-this-file-for-cfd/101147 "2026-06-24T12:24:38Z")
Can anyone look at this file and help me with why it won’t select the internal fluid volume for CFD work. fveeeeee | SimScale Workbench --- ## [Need Help With Matching Manufacturer Data](https://www.simscale.com/forum/t/need-help-with-matching-manufacturer-data/100988)
**Author:** [@Psoewito](https://www.simscale.com/forum/u/Psoewito)\ **Replies:** 4\ **Last updated:** [June 19, 2026, 1:30pm UTC](https://www.simscale.com/forum/t/need-help-with-matching-manufacturer-data/100988 "2026-06-19T13:30:46Z")
I have made a CAD Model of a Telecom Antenna and imported it into SimScale. I created an external flow region with a velocity inlet of 150 km/h and an atmospheric pressure outlet. I was able to run an incompressible s… --- ## [CFD of Drone Downwash does not look Right](https://www.simscale.com/forum/t/cfd-of-drone-downwash-does-not-look-right/101010)
**Author:** [@Andrewb1230](https://www.simscale.com/forum/u/Andrewb1230)\ **Replies:** 7\ **Last updated:** [June 19, 2026, 1:21pm UTC](https://www.simscale.com/forum/t/cfd-of-drone-downwash-does-not-look-right/101010 "2026-06-19T13:21:53Z")
Hello All! I am working on a custom drone shroud and was hoping to get some help with the simulation as it is not looking correct to me and I have tried a lot. The air velocity seems to spread out immediately and unnat… --- ## [Problems simulating a static analysis of a bridge](https://www.simscale.com/forum/t/problems-simulating-a-static-analysis-of-a-bridge/101115)
**Author:** [@utr](https://www.simscale.com/forum/u/utr)\ **Replies:** 2\ **Last updated:** [June 19, 2026, 12:50pm UTC](https://www.simscale.com/forum/t/problems-simulating-a-static-analysis-of-a-bridge/101115 "2026-06-19T12:50:20Z")
Hello, to preface, I am currently a high school student completely new to simulating. I am trying to simulate a bridge; however, an error keeps coming up stating: “An error occurred in the resolution of the contact cons… --- ## [I can't find 'convective heat flux' on 'result control' in my simulation](https://www.simscale.com/forum/t/i-cant-find-convective-heat-flux-on-result-control-in-my-simulation/101120)
**Author:** [@shinynimij](https://www.simscale.com/forum/u/shinynimij)\ **Replies:** 1\ **Last updated:** [June 19, 2026, 12:41pm UTC](https://www.simscale.com/forum/t/i-cant-find-convective-heat-flux-on-result-control-in-my-simulation/101120 "2026-06-19T12:41:10Z")
Hello dear community, I am using SimScale through the Academic Program for a simple physics research project on natural convection and heat transfer between two parallel acrylic plates. I need to extract the wall heat f… --- ## [Infinite Flow Volume ](https://www.simscale.com/forum/t/infinite-flow-volume/101106)
**Author:** [@jbamaswag](https://www.simscale.com/forum/u/jbamaswag)\ **Replies:** 1\ **Last updated:** [June 19, 2026, 11:46am UTC](https://www.simscale.com/forum/t/infinite-flow-volume/101106 "2026-06-19T11:46:13Z")
I’m trying to create an internal flow volume of an HVAC duct system. All openings (inlets/outlets, highlighted in yellow) have been selected as a boundary face. However, SimScale still says the project still creates an i… --- ## [Meshing fail](https://www.simscale.com/forum/t/meshing-fail/101133)
**Author:** [@anaykagliwal](https://www.simscale.com/forum/u/anaykagliwal)\ **Replies:** 1\ **Last updated:** [June 19, 2026, 11:29am UTC](https://www.simscale.com/forum/t/meshing-fail/101133 "2026-06-19T11:29:43Z")
I uploaded a step file for my f1 in schools car and set the external flow and boundary conditions. However the meshing failed due to one of the surfaces. I have tried lowering supression, unionised the surface and added … --- ## [CFD Run Cancelled but Cancellation did not Finished in Time Error](https://www.simscale.com/forum/t/cfd-run-cancelled-but-cancellation-did-not-finished-in-time-error/101087)
**Author:** [@bayunaparte\_utp](https://www.simscale.com/forum/u/bayunaparte_utp)\ **Replies:** 1\ **Last updated:** [May 26, 2026, 6:23pm UTC](https://www.simscale.com/forum/t/cfd-run-cancelled-but-cancellation-did-not-finished-in-time-error/101087 "2026-05-26T18:23:20Z")
Hi, I am currently running a CFD simulation for my FSAE formula student project. After successfully generating the mesh with essential refinements, I ran into trouble when I initiated the simulation run. The error messa… --- ## [Compressible Simulation: Results seem Wrong](https://www.simscale.com/forum/t/compressible-simulation-results-seem-wrong/101079)
**Author:** [@jakob77](https://www.simscale.com/forum/u/jakob77)\ **Replies:** 1\ **Last updated:** [May 22, 2026, 3:26pm UTC](https://www.simscale.com/forum/t/compressible-simulation-results-seem-wrong/101079 "2026-05-22T15:26:38Z")
Hello, I want to simulate a compressible, turbulent flow from a circular inlet (similar to engine outlet) slightly above the ground. I want to investigate the forces, especially in upward direction, that will act on a f… --- ## [Unable to mesh due to overlapping entities](https://www.simscale.com/forum/t/unable-to-mesh-due-to-overlapping-entities/100994)
**Author:** [@Neergaard8](https://www.simscale.com/forum/u/Neergaard8)\ **Replies:** 3\ **Last updated:** [May 20, 2026, 8:14pm UTC](https://www.simscale.com/forum/t/unable-to-mesh-due-to-overlapping-entities/100994 "2026-05-20T20:14:16Z")
Dear Support, I’m currently trying to do a conjugate Heat Transfer Analysis on an incubator designed to hold Petri dishes. It is a closed internal flow system - meaning air recirculates. To model this, I tried using “Ad… --- ## [Conjugate Heat Transfer Simulation stuck at 0%](https://www.simscale.com/forum/t/conjugate-heat-transfer-simulation-stuck-at-0/101018)
**Author:** [@oq2809](https://www.simscale.com/forum/u/oq2809)\ **Replies:** 1\ **Last updated:** [May 13, 2026, 3:51pm UTC](https://www.simscale.com/forum/t/conjugate-heat-transfer-simulation-stuck-at-0/101018 "2026-05-13T15:51:49Z")
I am trying to complete a Conjugate Heat Transfer Simulation. The simulation is stuck at 0% and not moving, I can see in the log that T=1, this has not increased. My project is shared with support --- ## [Mini Wind Turbine Simulation](https://www.simscale.com/forum/t/mini-wind-turbine-simulation/101024)
**Author:** [@rzoucha](https://www.simscale.com/forum/u/rzoucha)\ **Replies:** 1\ **Last updated:** [May 13, 2026, 3:15pm UTC](https://www.simscale.com/forum/t/mini-wind-turbine-simulation/101024 "2026-05-13T15:15:28Z")
I am a high school engineering teacher attempting to use SimScale to simulate a mini wind turbine in a wind tunnel. Is this possible? Here’s a link to the project I started a couple months ago but haven’t been able to f… --- ## [CFD of oper terrace area (Arch and hvac )](https://www.simscale.com/forum/t/cfd-of-oper-terrace-area-arch-and-hvac/101015)
**Author:** [@mdrnazish](https://www.simscale.com/forum/u/mdrnazish)\ **Replies:** 1\ **Last updated:** [May 5, 2026, 11:18am UTC](https://www.simscale.com/forum/t/cfd-of-oper-terrace-area-arch-and-hvac/101015 "2026-05-05T11:18:56Z")
I am working on a CFD simulation using a Revit (STEP) file. The model includes both architecture and HVAC components in a single file. My objective is to analyze airflow and temperature on an open terrace where HVAC unit… --- ## [External Flow Volume creates 2 solid bodies, blocking single region simulation setup](https://www.simscale.com/forum/t/external-flow-volume-creates-2-solid-bodies-blocking-single-region-simulation-setup/101016)
**Author:** [@RomeoL](https://www.simscale.com/forum/u/RomeoL)\ **Replies:** 1\ **Last updated:** [May 5, 2026, 11:16am UTC](https://www.simscale.com/forum/t/external-flow-volume-creates-2-solid-bodies-blocking-single-region-simulation-setup/101016 "2026-05-05T11:16:36Z")
Hi SimScale team, I’m trying to set up an external aerodynamics simulation for a TT cyclist (STL). After uploading and running the External Flow Volume tool with default settings (no excluded parts, no seed face), the re… --- ## [Mesh inspection Error with Changing Error Code](https://www.simscale.com/forum/t/mesh-inspection-error-with-changing-error-code/101007)
**Author:** [@Andrewb1230](https://www.simscale.com/forum/u/Andrewb1230)\ **Replies:** 1\ **Last updated:** [April 27, 2026, 11:56pm UTC](https://www.simscale.com/forum/t/mesh-inspection-error-with-changing-error-code/101007 "2026-04-27T23:56:25Z")
Hello All! I am working on a drone shroud project where I want to simulate airflow through a manifold with 4 outlets which are the drone rotors, and 1 air inlet where I will measure suction. I followed the simscale tuto… --- ## [Insufficient Computing quota (academic program)](https://www.simscale.com/forum/t/insufficient-computing-quota-academic-program/100987)
**Author:** [@yueqian\_jiang](https://www.simscale.com/forum/u/yueqian_jiang)\ **Replies:** 1\ **Last updated:** [April 22, 2026, 3:21pm UTC](https://www.simscale.com/forum/t/insufficient-computing-quota-academic-program/100987 "2026-04-22T15:21:41Z")
The project I am working on is trying to use CFD results to visualize incompressible external fluid flow (water) on a swimming cap, focusing on the optimization of the swim cap geometry (thickness of surface extruding pa… --- ## [Day 1 Struggles](https://www.simscale.com/forum/t/day-1-struggles/100983)
**Author:** [@zolshenske](https://www.simscale.com/forum/u/zolshenske)\ **Replies:** 2\ **Last updated:** [April 22, 2026, 1:38am UTC](https://www.simscale.com/forum/t/day-1-struggles/100983 "2026-04-22T01:38:55Z")
Struggle with the basics of trying to assign the internal flow volume from imported CAD. This is a basic assembly of a odd enclosure with a bottom Inlet and side Exhaust. Internally there are 2 fans in addition to some h… --- ## [Unrealistic values of Cd](https://www.simscale.com/forum/t/unrealistic-values-of-cd/100977)
**Author:** [@bame15](https://www.simscale.com/forum/u/bame15)\ **Replies:** 3\ **Last updated:** [April 21, 2026, 8:34am UTC](https://www.simscale.com/forum/t/unrealistic-values-of-cd/100977 "2026-04-21T08:34:51Z")
Hello everyone! I am running a 3D simulation of UAV(Unmanned Aerial Vehicle) at Mach ~0.04. However when i plot the cd vs alpha(-15 to 15) im getting unrealistic values. Could anyone look into it? Would be a great help! … --- ## [Setting up Forces and moments](https://www.simscale.com/forum/t/setting-up-forces-and-moments/100964)
**Author:** [@timmi](https://www.simscale.com/forum/u/timmi)\ **Replies:** 1\ **Last updated:** [April 14, 2026, 4:51pm UTC](https://www.simscale.com/forum/t/setting-up-forces-and-moments/100964 "2026-04-14T16:51:26Z")
Dera Ladies and Gentleman, I wanted to simulate my project on a simple designed car and after doing so it said to me in the Force Plot some strange numbers. And my question right now would be what I did wrong and how I … --- ## [multiphase cup simulation setup](https://www.simscale.com/forum/t/multiphase-cup-simulation-setup/100962)
**Author:** [@chadori](https://www.simscale.com/forum/u/chadori)\ **Replies:** 1\ **Last updated:** [April 14, 2026, 4:46pm UTC](https://www.simscale.com/forum/t/multiphase-cup-simulation-setup/100962 "2026-04-14T16:46:38Z")
hello, as you can see from picture 1,2 ive designed a cup that dumps the liquid on to the saucer to create a donut shape, I want to recreate this in multiphase simulation including animation of the cup going… --- ## [Erratic Residuals](https://www.simscale.com/forum/t/erratic-residuals/100656)
**Author:** [@vreijs](https://www.simscale.com/forum/u/vreijs)\ **Replies:** 2\ **Last updated:** [April 13, 2026, 1:29pm UTC](https://www.simscale.com/forum/t/erratic-residuals/100656 "2026-04-13T13:29:45Z")
I am simulating a hedge (2.2x25x0.35m: https://www.simscale.com/workbench/?pid=5058303832479289449&rru=f824a20d-6a0b-433c-b527-1dffdca4faf3&ci=7b20f0c6-5a65-4fea-8f9f-f0a65a70bd69&ct=CONVERGENCE\_PLOT&mt=SIMULATION\_RESUL… --- ## [Diverging sim problems](https://www.simscale.com/forum/t/diverging-sim-problems/100909)
**Author:** [@ILikeAero](https://www.simscale.com/forum/u/ILikeAero)\ **Replies:** 1\ **Last updated:** [April 7, 2026, 3:47am UTC](https://www.simscale.com/forum/t/diverging-sim-problems/100909 "2026-04-07T03:47:46Z")
I made a bottle rocket stl for my science class cuz I wanna show my class and teachers up. I am able follow most of the instructions given by Computery Things for an aerodynamics sim and when I try to run it it starts t… --- ## [Cd and Cl results interpretations](https://www.simscale.com/forum/t/cd-and-cl-results-interpretations/100913)
**Author:** [@Jawos](https://www.simscale.com/forum/u/Jawos)\ **Replies:** 1\ **Last updated:** [April 7, 2026, 3:41am UTC](https://www.simscale.com/forum/t/cd-and-cl-results-interpretations/100913 "2026-04-07T03:41:25Z")
Hi, I would like to ask you how to interpret my Cd and Cl results. I was iterating meshes and simulations to get Cd and Cl very close to my references (Cd=0,87; Cl=-2,43). Every simulation gave me very close Cd, but th… [Previous page](https://www.simscale.com/forum/c/project-support/30.md) [Next page](https://www.simscale.com/forum/c/project-support/30.md?page=2)