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  • Model vs. Test - What is your correlation strategy?

    When comparing model and test results, how are you deciding you have "correlation" between the two? For discrete events, I look at matching the general pattern of the results first, but then how about peak magnitudes? How close is close enough…
  • Why is significantly different maximum reachable velocity in ADAMS CAR 3D road for geometrically identical roads but once used in xml format and once used in crg+crgf format

    I created ring road in xml format by the road builder in Adams-car and then converted this road to crg + crgf format. Then I run the 3D road using both the road formats. The maximum reachable velocity in curves is for the road in xml format about 20%…
  • Animate results and save to a file on a headless linux server?

    I have a macro that works fine on my desktop in as long as you run Adams/View in interactive mode. As far as I know, you can't launch interactive mode on the HPC. I've tried, and it just seems to die without executing any commands. Running…
  • Command language - Access part mass dynamically

    Hi, I am just beginning with cmd language coding and have a newbie question. I am using the function builder to test my code. Let's say I have a part called VB in my model. If I go to the function builder, I can type "Model_1…
  • I'm using Adams/Adams car on a multibody model of motorcycle which has PAC MC tire model. Can I modify the PAC MC Tire model in order to have a lateral and radial stiffness instead of a vertical stiffness ?

    I'm using Adams/Adams car on a multibody model of motorcycle which has PAC MC tire model. Can I modify the PAC MC Tire model in order to have a lateral and radial stiffness instead of a vertical stiffness ?
  • Simulation time/frame incorrect in PostProcessor

    Hey all, I notice some strange things with the number of frames and simulation time in the PostProcessor. Example: I am running a simulation for 100s with a step size of 0.01s, which should result in 10.001 frames, right? …
  • Acceleration analysis failed

    Hi, I tried acceleration analysis in my custom vehicle assembly, and while analyzing the vehicle turn automatically and analysis gets failed. I don't know why its happening. Can someone help me to solve this problem. Thanks in advance Attached…
  • I'm attempting to model a moving ground in Adams/Car. A moving ground is for instance a suspension bridge or a floating bridge that is subjected to environmental excitation. Is there a method to model a floating bridge using the road builder module ?

    I have the necessary excitation data signals that need to be applied to this moving ground. I will then subject this to a full-vehicle simulation to investigate vehicle dynamics. However, so far, I wasn't successful in finding any posts or threads that…
  • I have an data set that includes a force on a ring for varying angle values and varying radius How can I define (Force,Radius,Angle) data with 3D spline and use it instead of contact between two bodies?

  • ACOS numerical errors in Adams/Solver

    I'm using vector operations to extract an angle during a simulation. The measurement consists of the dot product of two unit vectors which I then take the arc-cosine to extract the angle. data_element create variable & variable_name=.model_1…
  • How can I obtain aggregate mass properties relative to a particular marker in batch mode with only Requests as outputs?

    I have been trying to use the aggregate_mass function through the expression builder to get what I need, but aggregate_mass return values do not change when the mass properties are changed through design variables (with arrays and DVs). I have tried…
  • Adjust mass during simulation

    Hello all, I was wondering if it is possible to adjust the mass of a body during simulation? Lets assume the body i want to adjust is named 'Ball' I first tried the following: Create another body and fix it to 'Ball…
  • How to search for file with predefined characters in file name with macro?

    Hello, I want to do find a file in CDB with predefined characters in file name with macro. There is no problem to search for files when their name is known and use them as an input for macro. But is it possible to search…
  • I have stiffness matrix file from Ansys for a body. How can I use the stiffness matrix file between two parts instead of contacts? Is it possible.

    I have stiffness matrix file from Ansys for a body. How can I use the stiffness matrix file between two parts instead of contacts? Is it possible.
  • Is there a way to change the graphics to X11 for the linux `./mdi` command?

    I get this warning: WARNING: You are running Adams on un-supported graphics 'Mesa Project and SGI' driver version. This could produce ambiguous results Then, all of the text is white with a white background. It's unusable on Linux.
  • ADAMS/Machinery Gear Pair: Basic Questions

    Hello! I am considering using ADAMS/Machinery and have three questions about the gear pairs. For the "ADVANCED 3D Contact Stress Output", can the stress of the gears be output? I do not see the option in the post-processor and I…
  • How to access list of UDE Instances (Vibration plugin elements) with Python?

    In Adams View, I am struggling to find a way to list the different input/output channels and actuators with a Python script. I don't know where these elements are located in the active model's structure. Are they located somewhere else…
  • How to add rows to existing spline with Python?

    I am a beginner in the "Python in Adams" world. I would like to create a function which makes it possible to add (and later remove) a given number of rows to an existing spline. As I sometime have to copy/paste splines into Adams, it happens…
  • The friction coefficient setting for road defined by crg file in 3D road simulation

    Where I can set the friction coefficient for a road defined by crg.* ? I searched the documentation OpenCRG, however there was only a note about the possibility to set it but there in no keyword mentioned.
  • The Resolution about CRG Road Format in ADAMS.

    Hello everyone I have the scanned road with .crg data format. Its resolution must be 5mm*5mm. But the visualization in ADAMS seems the resolution is much much bigger. In the MATLAB figure is shown its true resolution. Question : The difference…
  • Static equilibrium analysis has not been successful with parabolic road

    I get this error “Static equilibrium analysis has not been successful. The maximum number of iterations 25, has been reached” when using parabolic road profile. I have adjusted the car wheels exactly to the road, however with no improvement…
  • Solidworks/Motion to Adams/View Error

    Dear All, I use SW/Motion export to Adams/View. Sometimes it works fine but sometimes. After export I run the model without any error before apply motions. But Later, i apply some motions to translational joints.. Parts go another…
  • With a revolute joint is there a way to find the amount of rotation of each attached part individually?

    With a revolute joint is there a way to find the amount of rotation of each attached part individually?
  • 4-Post Analysis and/or Tires Reacting to Parts Other Than Ground

    Hi, I'll be tasked with creating a 4-Post style analysis this year for a Tractor-Trailer. I was poking through the "Demo_Vehicle_4PostRig.asy" example trying to learn how things were set up. I'm confused about the tires. In the help…
  • Simulation Failed (Program Error)

    I was trying to do an Baja ATV full vehicle assembly analysis in Adams Car, but i get problems while trying to do the analysis as shown in the image. Even though the tire template was a default tire model that was given in acar shared template and other…