2015 Computer methods in biomechanics and biomedical engineering
* Modelling human eye under blast loading.
- Primary blast injury (PBI) is the general term that refers to injuries resulting from the mere interaction of a blast wave with the body. Although few instances of primary ocular blast injury, without a concomitant secondary blast injury from debris, are documented, some experimental studies demonstrate its occurrence. In order to investigate PBI to the eye, a finite element model of the human eye using simple constitutive models was developed. The material parameters were calibrated by a multi-objective optimisation performed on available eye impact test data. The behaviour of the human eye and the dynamics of mechanisms occurring under PBI loading conditions were modelled. For the generation of the blast waves, different combinations of explosive (trinitrotoluene) mass charge and distance from the eye were analysed. An interpretation of the resulting pressure, based on the propagation and reflection of the waves inside the eye bulb and orbit, is proposed. The peculiar geometry of the bony orbit (similar to a frustum cone) can induce a resonance cavity effect and generate a pressure standing wave potentially hurtful for eye tissues.
=>以下の, (治療, 試練, 刑罰)を受けて, 下部の, の下に, ・・の下に
Overview of adj under
The adj under has 2 senses (first 2 from tagged texts)
1. (2) nether, under -- (located below or beneath something else; "nether garments"; "the under
parts of a machine")
2. (1) under -- (lower in rank, power, or authority; "an under secretary")
Overview of adv under
The adv under has 8 senses (first 1 from tagged texts)
1. (2) under -- (down to defeat, death, or ruin; "their competitors went under")
2. under -- (through a range downward; "children six and under will be admitted free")
3. under -- (into unconsciousness; "this will put the patient under")
4. under -- (in or into a state of subordination or subjugation; "we must keep our disappointment
under")
5. under -- (below some quantity or limit; "fifty dollars or under")
6. under -- (below the horizon; "the sun went under")
7. under -- (down below; "get under quickly!")
8. under, below -- (further down; "see under for further discussion")
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