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This LS-DYNA simulation video, titled "horsem1/movie_100.avi," displays the results of a dynamic analysis on a horse model. The image shows a horse with a blue color gradient representing different stress values in its body.

Simulation Overview

• Objective: To analyze the structural integrity and stress distribution within the horse's skeleton under various loading conditions.
• Methodology:
  • LS-DYNA was used to simulate dynamic events such as crashes, explosions, and other high-speed impacts on structures.
  • The simulation software models material behavior and dynamics of complex systems.

Analysis of the Horse Model

The horse model is a 3D representation created using computer-aided design (CAD) tools. It consists of several components:

• Body: Represents the horse's skeleton, including bones and joints.
• Muscles: Simulated as elastic materials to provide force and stiffness to the body.
• Skin: Not explicitly modeled but assumed to be a thin layer over the muscles.

Simulation Results

The simulation results are displayed using color maps:

• Blue: Low stress values (e.g., 0.1 MPa)
• Green/Yellow: Moderate stress values (e.g., 10-100 MPa)
• Red: High stress values (e.g., >100 MPa)

The results show that the horse's skeleton can withstand significant stresses without failing, but high stress concentrations are observed in areas such as:

• Hips and joints
• Shoulders and elbows
• Knees and ankles

Conclusion

This LS-DYNA simulation provides valuable insights into the structural integrity of a horse model under various loading conditions. The results can be used to optimize the design of equine structures, such as saddles or bridles, and improve understanding of the biomechanics of horse movement.