MbDFEM is the combination of Multibody Dynamics (MbD) and Finite Element Method (FEM). It is the combination of Motion Simulation and Stress-Strain Calculation using true physics. It simulates the complete large motion of a machine and reveals the stress-strain conditions of every part of the machine throughout the motion. Together with Computer Aided Design, it enhances the invention and improvement of mechanical machines or mechanisms at any level of complexity or scale. It reduces the risk of failure and overdesign when the actual machine is built. Our current combination of CAD, MbD and FEM consists of:
which are all open source software. MbDFEM is a workbench in FreeCAD and is a work in progress. The results below show our progress. We look forward to input on desired features and suggestions for models to simulate. The simulation results will be made public. Proprietary models can be simulated for a modest fee.
Go beyond the GUI. The complete workflow—from assembly solving to FEM analysis—can be seamlessly automated using logical, human-readable input files:
Our quasi-static approach provides reliable FEM results for the entire range of motion of the mechanism, in a fraction of the computational time required by a dynamic simulation.
Our simulations are grounded in rigorous real-world physics formulations that fully respect the laws of dynamics. The software has been carefully developed to remain faithful to these formulations, ensuring physically accurate and therefore reliable results, and giving engineers the confidence to apply these results in the design and optimization of mechanisms.
Our custom post-processor brings every detail of your simulation to life. Visualize joint forces, torques, and part velocities and accelerations, alongside vector fields such as FEM loads, body weight and d'Alembert forces, and more. Stresses and strains are seamlessly integrated into clear and intuitive animations, giving you unmatched insight into the problem, and the confidence to trust the results.