Skip to main content

Multi Flexible Body Dynamics (MfBD)


Multi Flexible Body Dynamics (MfBD) expands upon traditional MBS and MBD by incorporating both linear and nonlinear finite element structures into dynamic simulations. This approach allows for the precise modeling of flexible bodies within a multibody system, accounting for their deformation and complex interactions under various load conditions.

Key Features of MfBD:

  • Linear and Nonlinear Finite Element Analysis: Integrates detailed finite element models to simulate both linear and nonlinear behaviors of flexible bodies.
  • Enhanced Realism: Provides a more accurate representation of the dynamic behavior of flexible components, especially under high-stress or complex loading conditions.
  • Unique Selling Point: Our capability to perform nonlinear finite element dynamics in MBS distinguishes us in the field, offering unparalleled precision and insight into system dynamics.

Application Areas of Multi Flexible Body Dynamics

MfBD is used in numerous technical disciplines, including:

  • Automotive Industry: Analysis and optimization of flexible components within suspension systems, drivetrains, and mounts to improve vehicle dynamics and safety.
  • Mechanical Engineering: Investigation of the dynamics of flexible components in industrial robots, manufacturing machines, and heavy machinery to optimize performance and reliability.
  • Aerospace: Simulation of the motion sequences of flexible components in aircraft, spacecraft, and satellite mechanisms to ensure functionality and safety.
  • Electronics: Analysis of flexible mechanisms in electronic devices and enclosures to improve durability and performance.

Advantages of Multi Flexible Body Dynamics

  • Precision: Accurate calculation of movements and forces in flexible bodies enables well-informed decisions in the design and optimization of technical systems.
  • Efficiency: Virtual modeling and simulation reduce the need for physical prototypes and experiments, saving time and costs.
  • Problem Detection: Early detection of potential weaknesses and issues before they occur in real applications enhances the reliability and safety of systems.
  • Optimization: Analyzing system dynamics allows for optimizations that improve the performance and efficiency of systems.

Methods and Tools

Conducting MfBD simulations requires specialized software and methods. These tools enable the modeling of systems, the execution of simulations, and the analysis of results. Typical functions of such software include:

  • Modeling: Creation of detailed models of the systems to be examined.
  • Simulation: Execution of simulations under various conditions and scenarios.
  • Analysis: Evaluation of simulation results to identify optimization potential and solutions to problems.


Multi Flexible Body Dynamics (MfBD) offers unparalleled precision and insight into the dynamics of flexible components, significantly enhancing the performance and safety of complex systems.

FunctionBay GmbH – Your Partner for Advanced System Dynamics.