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Lava density, \({{\rho }_{l}}\)
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2350 kg m–3
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Lava viscosity, \({{\eta }_{l}}\)
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5.6 × 109 Pa s
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5.6 × 109 Pa s
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5.6 × 109 Pa s
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Air density, \({{\rho }_{a}}\)
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1 kg m–3
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Air viscosity, \({{\eta }_{a}}\)
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10–4 Pa s
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Gravitational acceleration, g
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(0, 0, –9.81) m s–1
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(–0.1, 0.2, –9.81) m s–1
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(0, 0, –9.81) m s–1
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Time scale, \(t^* = {{{{\eta }_{l}}} \mathord{\left/ {\vphantom {{{{\eta }_{l}}} {({{\rho }_{l}}gh)}}} \right. \kern-0em} {({{\rho }_{l}}gh)}}\)
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243 s
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243 s
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2430 s
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Length scale, h
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1000 m
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Velocity scale, \({h \mathord{\left/ {\vphantom {h {t{\text{*}}}}} \right. \kern-0em} {t{\text{*}}}}\)
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4.115 m s–1
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4.115 m s–1
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0.4115 m s–1
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Width of the model domain, l1
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32 136 m
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Length of the model domain, l2
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36 939 m
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Height of the model domain, l3
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400 m
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Grid
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\(174 \times 200 \times 70\) hexahedra with \({{h}_{1}} = 183.747\) m, \({{h}_{2}} = 183.767\) m, \({{h}_{3}} = 5.71\) m
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Lava extrusion rate
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\({{{\mathbf{u}}}_{0}} = (0,0,2.65774 \times {{10}^{{ - 3}}}{\text{)}}\) m s–1
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Model fissure shape
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Ellipse with semi-major axis of 2000 m, semi-minor axis 200 m, area 1.31691 × 106 m2
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