Welcome
What's New
View new features for MotionSolve 2025.
Overview
MotionSolve^® is an integrated solution to analyze, evaluate, and optimize the performance of multibody systems.
Tutorials
Discover MotionSolve functionality with interactive tutorials.
- Access the Model Files
  Learn how to access and download required model files.
- Rigid Body Dynamics
- Model Definition Language
- Flexible Body Dynamics
- Advanced Simulation
- Optimization-DOE-Stochastics
- Durability - Fatigue
- Automation
- User Subroutines
  - MV-1024: Using User Subroutines in MotionSolve Models
    Tutorial Level: Advanced In this tutorial, you will learn about the benefits of user subroutines in defining motion.
  - MV-7001: Building User Subroutines in MotionSolve
    Tutorial Level: Advanced In this tutorial, you will learn how to compile and build a MotionSolve user subroutine.
  - MV-1023: Use Python Subroutines in MotionView Model Building
    Tutorial Level: Advanced In this tutorial, you will learn how to incorporate user subroutines into MotionView, utilize user subroutines to customize models, and create Python scripts to define these subroutines.
  - MV-7006: Python UserSub for MotionSolve
    Tutorial Level: Advanced In this tutorial, you will learn how to use Python to make a user subroutine for MotionSolve and convert a model with six SFOSUBs, written in C, into a Python usersub.
  - MV-7005: Linking Matlab/Simulink Generated Code (Simulink Coder) with MotionSolve
    Tutorial Level: Advanced In this tutorial, you will learn how to generate a dynamic link library (DLL) using Simulink Coder (formerly Real-Time Workshop) and link it with MotionSolve to run a co-simulation.
  - MV-7013: Inverted Pendulum Control Using MotionSolve with Compose Subroutines
    Tutorial Level: Advanced In this tutorial, you will learn how to use MotionView, MotionSolve, and Compose to design a control system that stabilizes an inverted pendulum.
- Co-Simulation
- Vehicle Simulation using MotionView
- Using the MotionSolve API
MotionSolve User Guide
MotionSolve is a system level, multibody solver that is based on the principles of mechanics.
MotionSolve Reference Guide
This manual provides a detailed list and usage information regarding command statements, model statements, functions and the Subroutine Interface available in MotionSolve.

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User Subroutines