A study on a vibratory model of a human body

Area of Science:

• Biomechanics
• Human body modeling
• Mechanical engineering

Background:

• Understanding human body dynamics is crucial for various applications, including ergonomics and injury prevention.
• Previous models have simplified the human body's complex mechanical properties.

Purpose of the Study:

• To develop a method for evaluating mass and stiffness parameters of a human body model.
• To represent the human body as a spring-mass system for dynamic analysis.

Main Methods:

• Developed an analytical approach to determine mass and stiffness values based on biomechanical assumptions.
• Constructed a 15-degree-of-freedom (DOF) model representing a male human body.
• Calculated the natural frequencies of the developed model.

Main Results:

• Successfully derived a procedure for calculating mass and stiffness for the spring-mass model.
• The computed natural frequencies of the 15-DOF male body model fall within the range of experimentally observed values.
• Validated the modeling approach through comparison with existing experimental data.

Conclusions:

• The spring-mass system model provides a viable method for analyzing human body dynamics.
• The derived mass and stiffness values are consistent with empirical evidence.
• This modeling technique can be applied to further biomechanical research and applications.