Evaluation of the BioSid dummy : mdb-to-car side impact test of a 26˚ crabbed moving deformable barrier into a 1988 Toyota Tercel 4-door hatchback at 33.5 mph
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Summary
This report documents a crash test conducted by the National Highway Traffic Safety Administration (NHTSA) to evaluate the response of BioSid side-impact dummies. The study aimed to assess dummy performance in a moving deformable barrier (MDB) into stationary vehicle side-impact scenario, a test condition not yet covered by Federal Motor Vehicle Safety Standards. The experiment simulated a 90-degree intersection collision, with the striking vehicle traveling at 30 mph and the struck vehicle at 15 mph. The test was performed on June 13, 1990, at the TRC Crash Test Facility in East Liberty, Ohio. A 1988 Toyota Tercel 4-door hatchback served as the stationary test vehicle. It was impacted on the left side by an MDB traveling at 33.3 mph, crabbed at a 26-degree angle. The impact point was located 37.2 inches forward of the midpoint of the vehicle’s wheelbase. Two BioSid dummies, representing a driver and a left-rear passenger, were placed in the vehicle in unrestrained positions. The dummies were instrumented with accelerometers and force/displacement sensors at various body locations, including the head, spine, thorax, abdomen, and pelvis. Vehicle accelerometers were also installed to measure structural response. The results detailed the kinematic behavior and injury metrics for both dummies. The driver dummy’s head contacted the right front door and window sill, while the torso rotated laterally across the compartment. The passenger dummy’s head contacted the left C-pillar and roof, with the torso rebounding across the rear compartment. Key injury metrics for the driver dummy included a Head Injury Criterion (HIC) of 347.8, a Thoracic Trauma Index (TTI) of 87.5, and peak lateral accelerations of 317.9 g for the left upper thorax rib. The passenger dummy recorded an HIC of 427.7, a TTI of 61.8, and peak lateral accelerations of 64.6 g for the left lower thorax rib. The report also noted specific data anomalies, including questionable readings from the passenger dummy’s left lower abdomen displacement sensor and the vehicle’s left front door Y-axis accelerometer. This evaluation provides empirical data on the BioSid dummy’s response in a specific side-impact configuration, contributing to the development of safety standards for side-impact protection. The findings offer insights into occupant kinematics and injury potential in intersection collisions, highlighting the utility of MDB testing for assessing vehicle safety performance.
Key finding
The driver dummy recorded a Head Injury Criteria of 347.8 and a Thoracic Trauma Index of 88.0, while the rear passenger dummy recorded a Head Injury Criteria of 428.4 and a Thoracic Trauma Index of 62.3.
Methodology
simulator
Provenance
The full processing record for this entry. Every stage of this paper's journey through the pipeline is logged — what ran, with which tool and model, how many attempts it took, and when it last completed. Discovered via bulk_ingest_rosap on 2026-05-23 (6 acquisition events logged).
| Stage | Outcome | Tool | Model | Prompt | Attempts | Completed |
|---|---|---|---|---|---|---|
| discover | success | rosap | — | — | 2 | 2026-05-23 |
| archive | success | — | — | — | 1 | 2026-05-23 |
| extract | success | cached | — | — | 2 | 2026-06-10 |
| clean | success | — | — | — | 1 | 2026-06-01 |
| chunk | success | — | — | — | 1 | 2026-06-01 |
| embed | success | — | — | — | 1 | 2026-06-02 |
| enrich | skipped | — | — | — | 3 | 2026-07-02 |
| promote | success | — | — | — | 1 | 2026-05-23 |
| summarize | success | llm | qwen3.6-27b-prismaquant | summ-v5 | 3 | 2026-06-10 |
| tag | success | vector_similarity | — | — | 24 | 2026-06-11 |
| verify | success | — | — | — | 2 | 2026-06-10 |
Summary generated by qwen3.6-27b-prismaquant on 2026-06-10; verification: verified.
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- Applied Guidance: standards test procedures