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[Case Study] Sled analysis with muscle tone

Now, by adding a muscle model, THUMS version 5 can consider the muscle tone in the body during a crash.
The added muscle tone allows for modelling muscle behavior during the crash, such as pushing the steering wheel and hitting the brake with the right foot.
More realistic crash conditions are achievable by representing the muscle tone behavior.

Sled analysis with muscle tone (side view)

Sled analysis with muscle tone
(side view)

Sled analysis with muscle tone (oblique view)

Sled analysis with muscle tone
(oblique view)

Frontal Impact Simulation

A frontal impact simulation was conducted using the THUMS Version 4 occupant model.
The model simulated a case where a mid-size sedan car which THUMS inside collided to a rigid wall at a speed of 55 km/h.
The car occupant is holding the steering wheel and putting their foot on the pedal.
The seatbelt is in contact with their chest and the airbag is located in front of the steering wheel.

* Further details are available in the THUMS User Manual "Documentation Total Human Model for Safety (THUMS) AM50 Pedestrian/Occupant Model Version 4.0_20101001".

Frontal Impact Simulation

Pedestrian Impact Simulation

A pedestrian impact simulation was conducted using the THUMS version 4 pedestrian model.
The model simulated a case where a pedestrian is impacted on their left side by an SUV travelling at 40 km/h.
At the moment of impact, the pedestrian, while walking, is stepping forward with his left leg in front.
Both arms are in front of the body.

* Further details are available in the THUMS User Manual "Documentation Total Human Model for Safety (THUMS) AM50 Pedestrian/Occupant Model Version 4.0_20101001".

Pedestrian Impact Simulatio

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