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X Demographics
Mendeley readers
Attention Score in Context
| Title |
Brain Response to Primary Blast Wave Using Validated Finite Element Models of Human Head and Advanced Combat Helmet
|
|---|---|
| Published in |
Frontiers in Neurology, January 2013
|
| DOI | 10.3389/fneur.2013.00088 |
| Pubmed ID | |
| Authors |
Liying Zhang, Rahul Makwana, Sumit Sharma |
| Abstract |
Blast-induced traumatic brain injury has emerged as a "signature injury" in combat casualty care. Present combat helmets are designed primarily to protect against ballistic and blunt impacts, but the current issue with helmets is protection concerning blasts. In order to delineate the blast wave attenuating capability of the Advanced Combat Helmet (ACH), a finite element (FE) study was undertaken to evaluate the head response against blast loadings with and without helmet using a partially validated FE model of the human head and ACH. Four levels of overpressures (0.27-0.66 MPa) from the Bowen's lung iso-damage threshold curves were used to simulate blast insults. Effectiveness of the helmet with respect to head orientation was also investigated. The resulting biomechanical responses of the brain to blast threats were compared for human head with and without the helmet. For all Bowen's cases, the peak intracranial pressures (ICP) in the head ranged from 0.68 to 1.8 MPa in the coup cortical region. ACH was found to mitigate ICP in the head by 10-35%. Helmeted head resulted in 30% lower average peak brain strains and product of strain and strain rate. Among three blast loading directions with ACH, highest reduction in peak ICP (44%) was due to backward blasts whereas the lowest reduction in peak ICP and brain strains was due to forward blast (27%). The biomechanical responses of a human head to primary blast insult exhibited directional sensitivity owing to the different geometry contours and coverage of the helmet construction and asymmetric anatomy of the head. Thus, direction-specific tolerances are needed in helmet design in order to offer omni-directional protection for the human head. The blasts of varying peak overpressures and durations that are believed to produce the same level of lung injury produce different levels of mechanical responses in the brain, and hence "iso-damage" curves for brain injury are likely different than the Bowen curves for lung injury. |
X Demographics
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| Unknown | 1 | 100% |
Demographic breakdown
| Type | Count | As % |
|---|---|---|
| Members of the public | 1 | 100% |
Mendeley readers
The data shown below were compiled from readership statistics for 131 Mendeley readers of this research output. Click here to see the associated Mendeley record.
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| United States | 1 | <1% |
| Unknown | 130 | 99% |
Demographic breakdown
| Readers by professional status | Count | As % |
|---|---|---|
| Student > Ph. D. Student | 31 | 24% |
| Researcher | 21 | 16% |
| Student > Master | 13 | 10% |
| Student > Bachelor | 9 | 7% |
| Student > Doctoral Student | 5 | 4% |
| Other | 16 | 12% |
| Unknown | 36 | 27% |
| Readers by discipline | Count | As % |
|---|---|---|
| Engineering | 60 | 46% |
| Agricultural and Biological Sciences | 8 | 6% |
| Medicine and Dentistry | 6 | 5% |
| Neuroscience | 4 | 3% |
| Materials Science | 4 | 3% |
| Other | 8 | 6% |
| Unknown | 41 | 31% |
Attention Score in Context
This research output has an Altmetric Attention Score of 4. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 27 November 2013.
All research outputs
#7,186,266
of 22,715,151 outputs
Outputs from Frontiers in Neurology
#4,487
of 11,620 outputs
Outputs of similar age
#80,246
of 280,748 outputs
Outputs of similar age from Frontiers in Neurology
#34
of 210 outputs
Altmetric has tracked 22,715,151 research outputs across all sources so far. This one has received more attention than most of these and is in the 67th percentile.
So far Altmetric has tracked 11,620 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 7.3. This one has gotten more attention than average, scoring higher than 60% of its peers.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 280,748 tracked outputs that were published within six weeks on either side of this one in any source. This one has gotten more attention than average, scoring higher than 70% of its contemporaries.
We're also able to compare this research output to 210 others from the same source and published within six weeks on either side of this one. This one has done well, scoring higher than 81% of its contemporaries.