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February & March 2026 Community Event Lineup is Here!
Get ready to dive into an exciting lineup of events designed to help you get the most out of your Altair tools, connect with fellow users, and expand your knowledge! Whether you're looking to master new features, explore advanced applications, or simply connect with other enthusiasts, our upcoming events have something for…
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Altair Support is Moving to Siemens Support Center!
Hello, amazing Altair community! We're buzzing with excitement to welcome you to this dedicated space, created just for you as we embark on an important transition: moving Altair's support infrastructure to the Siemens Support Center. This is a big step, and we're committed to making it as smooth and transparent as…
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Altair Community Rewards and Recognization
The Altair Community is a space where beginners, experienced users, industry experts, students, faculty and our product specialists come together to share insights, collaborate, and find ways to take full advantage of our products. Engagement is at the heart of the Community and with the launch of our new and improved…
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Flux cannot start due to license error
Hello, I’m having a license issue and Altair Flux cannot star Flux was working normally before, but now it fails to launch due to a license error.
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FEA Results Data Extraction
Hello all, I would like to find a more efficient way extract all the max values for my FEA Results as well as the geometric properties or attributes?. At the moment I use the query selector (Pick by Point) to try and pick a point closest to the max value of any output. And it has being very tedious as I need to perform and…
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Can't import data into rapid miner
For some odd reason RapidMiner cannot access any of my files on my computer. It can't see a single file which probably means it doesn't have access. I've given it access in my settings on my mac and it still can't see any files. I can drag in excel or cdv files and it will load in, but it can't run processes even if I try…
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Ductile Damage Initiation and evolution implicit
Hello everyone, I am trying to run what I would call a “simple” tensile simulation using ductile damage initiation and damage evolution. My reference is the following discussion: "DUCTILE DAMAGE INITIATION AND EVOLUTION (INIEVO) IN OPTISTRUCT IMPLICIT-EXPLICIT - Altair Community" I am working with the implicit solver.…
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Using angular variables in postfeko
Is it possible to use angular variables Theta and Phi in postfeko and plot, as an exhample, sin(Theta) or cos(Theta)?
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Optistruct missing .dll files
I've installed Optistruct using hwsolvers2026_win64.exe, the installation was successful and there are no errors in the logs, but I'm unable to open it, I'm getting errors saying these .dll files are missing. cudart64_102.dll cublasLt64_10.dll cublas64_10.dll cusparse64_10.dll
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How can we access the ribbon group menu (cad/fe comparison) through python/tcl/context commands?
Especially i want to access CAD/FE Comparison option under Topology>Edits>CAD/FE Comparison - ribbon group menu through python/tcl/context commands
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contact creation
Dear all. I have a question about the contact creation. I'm trying to connect 2 meshed components(fuselage skin and stringers, already obtained their midsurface mesh). Due different thickness and materials, I can't use "equivalent" and "connector>area". And when I try to use "autocontact"it returns my parts have pwntration…
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Different explicit result: abaqus vs simlab optistruct
https://us.v-cdn.net/6038102/uploads/LYRBCRKRHJ0W/singlebar.inp One bar should give about 10N at 4cm compression in abaqus. However, after I imported it into simlab, SPC force results in 3kN. I also made material test using simple cubic or dumb bell, they has same behaviour in material test.…
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REFRESH KEY?
I need NEW student PSIM licence my old license i used on my previous PC which i cant access right now since its broken and it doesnt allow me to use my old license how can i refresh my key i need it emergency.
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Concurrent Assertions waveforms in Mxd dump of Dsim
Hi, In the interface module I have some assertions of this kind: assert_empty_to_high: assert property ( @(posedge clk) disable iff (res) (cnt == 0) |-> empty ); Then I run the sim with : Elab: -top work.top_tb -genimage image -uvm 1.2 Sim: -image image -code-cov a -waves waves.mxd +acc+b -uvm 1.2 +UVM_TESTNAME=test In the…
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Revise "Blend" curve in Inspire Cast?
Hello again, Since the "Blend" tool exists in Geometry, and not Sketch, I can't figure out how to re-access the control points to edit a blend. If I confirm the settings in the window shown below, how can I re-visit these setting and adjust the blend shape? SOLVED = sorry, as soon as I posted this I discovered I can access…
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Possible to make a tapered pipe in Inspire Cast 2026?
As the subject implies, I am trying to make a tapered pipe (a common task for me). I know I can setup circles on a rail and do a sweep, but hoping there might be a simpler way….
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Registration Changes
In my Altair registration, my institutional email was linked to the university's foundation by the professors in the research lab during my master's degree. Now, as a doctoral student, I would like to change my registration and obtain a student leave of absence. Could you inform me of the procedures?
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Coverage support in DSim Cloud?
I see in the following release notes that Coverage in DSim Cloud wasn't supported at the time: https://help.metrics.ca/support/solutions/articles/154000198698-release-1-13-0 Has coverage in Cloud Jobs shipped since v1.13.0? Thanks in advance.
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feoutput template: legacy Tcl or new python api
hi, (naive question) I would like to write my own feoutput template: is feature possible in python or should i still do it using the (legacy) Tcl language? Any documentation to suiggest? Thanks Paul
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Altair slc compute angles lengths perimiter area of arbitrary convex hull polygon
Altair slc compute angles lengths perimiter area of arbitrary convex hull polygon Too long to post on a list, see github https://github.com/rogerjdeangelis/utl-altair-slc-compute-angles-lengths-perimiter-area-of-arbitrary-convex-polygon related to https://community.altair.com/discussion/5712 There is also an easy python…
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Altair slc identify the convex polygon that encompasses a two-dimensional scatter plot
Altair slc identify the convex polygon that encompasses a two-dimensional scatter plot Graphic output https://github.com/rogerjdeangelis/utl-altair-slc-identify-the-convex-polygon-that-encompasses-two-dimensional-scatter-plot/blob/main/convex_hull.png Too long to post on a list, see github…
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altair slc voronoi partition area into polygons where all points more distant then central points
altair slc voronoi partition area into polygons where all points more distant then central points for graphic outut see (the minimum distance is the perpendicular cord from the cental point to the boundary)…
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Behavior of SystemVerilog %p format specifier not correct when printing
I'm using %p to print an object: $display("Instr = %p", instr); My expectation is that I prints the fields of the instruction, along with their values. What gets printed instead instead is (probably) the memory location where the object was allocated:
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Error activiating License: This license was already activated using different HostIDs
actually fixed, never mind
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Delete account
Hi, I request to delete my whole altair account.
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Student License error
Hello Altair Team I have recently installed hypermesh 2026 and mechanical solvers. I can access hypermesh but not the optistruct. However I have run one optistruct job successfully and I am facing license issues from further runs. I am attaching the .out file below. Please help. nsing: License error Feature: OptiStruct…
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RE: Altair slc simplify a mesh by selecting all points that intersect a spherical object
Altair slc simplify a mesh by selecting all points that intersect a spherical object Output graph (25 points in the 548 point random sample from the 9,000 point mesh - reduced for reproducibility example)…
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How to create a RBE2 and RBE3 elements in Hypermesh 2025?
Hello Altair team, Good day. May i know on how to create a RBE2 and RBE3 elements in Hypermesh latest version or we can say 2025 or 2026 its pretty hard to understand which steps to be followed can you please put in her a detailed process please?
