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Analytical parametrization of self-consistent polycrystal mechanics: Fast calculation of upper mantle anisotropy

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Academic year: 2021

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Figure

Figure 1. Schematic comparison of the analytical approach and homoge- homoge-nization methods for a single strain increment
Figure 2. (a) General definition of the Eulerian angles ( φ , θ , ψ ). (b) Definition of slip-system specific Eulerian angles ( φ [s] , θ [s] , ψ [s] ) such that both the slip direction l [s] and the normal n [s] to the slip plane are in the plane perpendi
Table 1. Slip systems.
Figure 3. Instantaneous crystallographic spin ˙ ψ [1] ( θ [1] , ψ [1] ) for the slip system (010)[100], predicted by the SO model with τ [1] /τ [2] = τ [2] /τ [3] = 1 for an initially isotropic olivine aggregate deformed in uniaxial compression.
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