#9509. Effects of Personal Protective Equipment on Seated Occupant Spine Loads in Under-Body Blast: a Finite Element Human Body Modeling Analysis

September 2026publication date
Proposal available till 11-05-2025
4 total number of authors per manuscript0 $

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Journal’s subject area:
Human Factors and Ergonomics;
Applied Psychology;
Behavioral Neuroscience;
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Abstract:
The effects of a personal protective equipment vest (PPE) on spine loads of occupants in vehicles subjected to under-body blast (UBB) events are not well understood. This study investigated the inertial and structural effects of PPE on the lower spine in UBB loading conditions using numerical modeling. A seated finite element (FE) human body model (HBM) with a spine designed for vertical acceleration load analysis was subjected to a 45g UBB representative acceleration. The HBM was modeled with and without PPE, in both upright (0°) and reclined (15°) seated postures.
Keywords:
Finite element; Human body model; Injury assessment reference value; Lumbar spine; Personal protective equipment; Under-body blast

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