Welcome
What's New
View new features for MotionSolve 2026.
MotionSolve 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
- msolve 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