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  • Adams Solid to Solid contact

    I have been trying to define solid to solid contact between the rear-wheel tire of a motorcycle and the steel roller. Two bumps have been attached to the roller which rotates at about 380 rpm. The main objective of this simulation is to simulate the situation…

  • How can I set the end conditions of my simulation as the initial conditions of another simulation?

    How can I set the end conditions of my simulation as the initial conditions of another simulation?

  • Unable to deactivate a specific part in Adams Car

    This is a follow up to the earlier question. I am trying to deactivate a specific part in a template. It is the driveshaft part in the "double wishbone.tpl" in the acar_shared database. I can deactivate every other part but the driveshaft and tripot.…

  • Unable to Deactivate a part/constraint in Adams Car

    I wanted to deactivate a part in Adams Car so I used the deactivate command in the right click menu. But that did not work and when I click on the Info button it still says ACTIVE = ON. Also tried using the command navigator to navigate to the part section…

  • Automatically adjust/save ADAMS models based on excel values

    Hey all, My goal is to adjust around 30 design variables in the model based on values in a certain excel sheet, and after that save the ADAMS model under a new name. I need to create 100+ ADAMS models with the design variables given…

  • Running Aview in Batch Mode On Headless Machine

    I'm working with a heavily parameterized (lots of design variables) model and am trying to generate the adm/acf input files for a Monte Carlo through Adams Insight. Unfortunately the process of writing out the adm/acf input files for every Monte Carlo…

  • Is it poosible to created 3d road with curved profile in cross section? With the 3D spline I have only stright line. I also tried to use conversion from rdf to crg however it have not worked for me.

    Is it poosible to created 3d road with curved profile in cross section? With the 3D spline I have only stright line. I also tried to use conversion from rdf to crg however it have not worked for me.

  • How to make same request as 907 using functions?

    Hello, I want to make request same as 907 (measuring displacement) but with functions: My request using functions: To obtain same translational displacement for F2 i had to add minus sign: Problem is with angles. Yaw angle values…

  • Scaling mass of flexbody

    I've got a flexbody that I want to scale the mass +/-10% for a design study. There are alot of property/material cards in the model so doing this manually is a bit of a pain. My initial thought was to use PARAM,WTMASS,1.10 etc in the Nastran ADAMSMNF…

  • How can I perform a modal analysis of a suspension assembly in ADAMS Car?

    How can I perform a modal analysis of a suspension assembly in ADAMS Car?

  • Does ADAMS user subroutines follow a specific order when solving GFORCE requests such as the GFORCE ID number in ascending order? If it does can GFORCE calculations of smaller IDs be used in calculations of GFORCE larger ID numbers using COMMON varia...

    Does ADAMS user subroutines follow a specific order when solving GFORCE requests such as the GFORCE ID number in ascending order? If it does can GFORCE calculations of smaller IDs be used in calculations of GFORCE larger ID numbers using COMMON varia…

  • I am trying to create an mnf in Nastran. I can do it with a different model, however, one particular model is failing. Also, this model does produce modes with a sol 103, it just wont make modes for the MNF. Here is the error:

    *** USER WARNING MESSAGE 4645 (REIG) THE SHIFTED STIFFNESS MATRIX IS NOT POSITIVE DEFINITE IN MHOUSEHOLDER METHOD. ^^^ ^^^ NASTRAN/ADAMS INTERFACE DMAP INFORMATION MESSAGE: ^^^ ^^^ DURING A-SET ORTHONORMALIZATION, ^^…

  • Syntax to get sim_time value of a given index

    Probably a simple and stupid question, but does anyone know the syntax to retrieve the sim time value of a given index number? The following syntax seems not correct: Sim_Time([index_value]) Thanks in advance, Niels

  • Pop up an error message saying this not the fault of your model

    I got the error message saying that "Adams has stopped working and exported. This is a fault of the software, not your model................". The model is pretty big (model of motorcycles ) in which there are chassis and swingarm and an ac synchronous…

  • Finding minimum value between two time values

    Hey Adams community, The picture shown below shows the results of a certain measure. I am trying to extract the minimum value between two time values (t = 50s, t1 = 55s, in this case). In this situation it actually is the global…

  • Can hooke joints work with rotations greater than 90 degrees? I am noticing odd behavior when the rotation around one of the rotation axis passes through 90.

    Can hooke joints work with rotations greater than 90 degrees? I am noticing odd behavior when the rotation around one of the rotation axis passes through 90.

  • In Full Vehicle Analysis – 3D road - I use dcd file to control the longitudinal car velocity, however the solver slows down the car when passing curves in the road. Why the car slows down, when in the dcd file I have fixed longitudinal car velocity?

    Adams car - Full Vehicle Analysis – 3D road , FDW car from templates

  • Using subrutine request from Acar in Aview and in FMU

    Hello everyone, I have model of vehicle in Aview created according templates from Acar. Model is working without problem. The model in Aview contains also requests from Acar (i.e. from rigid chassis.tpl based on subrutine abgVDM::req907). During…

  • Sending Signals to Python Script Inside Macro

    I've got some fairly long running python scripts that I use to automate some analysis processes. They get called via a macro which then calls run_python_code. Ocassionally I'll realize I screwed up something and need to kill the script in the middle of…

  • Slow GUI Interaction with Imported STEP File

    I needed to import a relatively large STEP file into an ADAMS/View model. I don't normally do this because it seems ADAMS slows to a crawl when manipulating (adding/modifying the solids, markers, etc.) this geometry. Is there a way to speed this up? A…

  • Hi, I would like to know if it is possible to get the tangential effort on a contact point between two solids from a subroutine ? Thanks you

    Hi, I would like to know if it is possible to get the tangential effort on a contact point between two solids from a subroutine ? Thanks you

  • The reason of orient to zpoint-xpoint

    Hello Everyone, Could some one help to make me my two thoughts clear. first: We can only chose (orient to zpoint-xpoint ) to make the dependency of orientation, but never zpoint-ypoint. Is the reason that the Euler angle…

  • Shell file could not be opened for input, Adams 2019.2.

    I have a model using 3D contact of gears created through the machinery plugin. Every time simulate the model I get the warning that the shell file could not be opened for input. This is true if I run the program as administrator or not. Is there some…

  • Reading .req files using python

    Hey all, I was wondering if someone has made a python script to read out .req files, and is willing to share his code, before i start to reinvent the wheel. Example of my req. file: Timestep value start at row 6 and the request…

  • Adams View UI: Is there a command to query the absolute view orientation of a model?

    With a lot of trial and error, I found a view orientation of a model that matches a photo of the real thing (which has to be used in a video transition from the photo to the Adams results), but how do I now find the values for this unique orientation…
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