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How to Run PM FlexTire™ This example demonstrates running PM FlexTire™ using the Clay1_6x2m.dem EDEM simulation deck with the Tractor Tire, both available from the Altair Marketplace. Steps to Set Up and Run PM FlexTire™ in EDEM Open the Example Simulation Deck Open Clay1_6x2m.dem from the PM Example Files (available from…
How to Setup Tire Motion in EDEM There are two primary options for defining flexible tire motion in Altair EDEM using PM FlexTire™: Using EDEM’s built-in kinematics, force, and torque controllers Simplest to implement and fastest to solve. Limited in functionality compared to coupled simulations. Using an MBD solver…
How to Pre-Process Tire Model: Option 2 (Manually) In some cases, STPtoOBJ.exe may not generate the required input files from a STEP file for PM FlexTire™, or you may wish to have greater control over mesh resolution for your tire model. In these situations, you can use Altair SimLab® to manually generate the necessary…
How to Pre-Process Tire Model: Option 1 (Automated) The PM FlexTire™ pre-processor (STPtoOBJ.exe) is a Python-based executable that: Converts STEP files to BDF mesh files. Converts BDF files to Wavefront OBJ files for use in EDEM. For a full list and description of available flags, refer to Appendix D of the PM FlexTire™…
How to Install PM FlexTire™ The PM FlexTire™ solver and example files are available for download on the Altair Marketplace. PM FlexTire™ is available to Altair customers through the Altair Partner Alliance. To access the solver, users must first contact their Altair sales representative to request access. Once access is…
What is Pratt & Miller (PM) FlexTire™ PM FlexTire™ enables realistic deformable tire simulation within the Altair EDEM environment. It can operate as a standalone solver inside EDEM or be co-simulated with multibody dynamics (MBD) tools such as Altair MotionView/MotionSolve. PM-FlexTire™ is a simplified finite element tire…
Introduction A monostable multivibrator, also known as a one-shot pulse generator, is a circuit that produces a single output pulse in response to an external trigger. It has one stable state and temporarily switches to an unstable state for a defined time before returning. Commonly used for timing, pulse generation, and…
Altair® EDEM™ 2025.1 introduces powerful updates for advanced particle simulation. In collaboration with Granutools™, we have extended the EDEM calibration kit to allow users to automatically run and post-process simulations based on the well-known GranuHeap and GranuDrum standard tests, thus reducing the time and effort…
This article discusses the development of a python Graphical User Interface that runs a PSIM simulation in two stages. If you have not experimented with python on PSIM applications before, you should read the relative article here. Furthermore, this is only applicable with PSIM v2025.1 or later. If you have not installed…
This article aims to present a way to pass a variable defined in a PSIM parameter file into a Simplified C block. Let us consider a simple constant block as input to a Simplified C block and a parameter file in a PSIM simulation, as shown in following figure. Double-clicking a parameter file will open it and a user can…
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