DAMASK_EICMD/documentation/Code/lattice/SortTwinSlipSequenceInHEXfo...

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\begin_layout Title
Sorting Criterion for Slip and Twin system in HCP
\end_layout
\begin_layout Author
YunJo Ro
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\begin_layout Standard
This document attempts to show how we sort the order of the slip and twin
system for Hex (or hcp) structure in lattice.f90.
\end_layout
\begin_layout Section
Slip system
\end_layout
\begin_layout Standard
An intersection between slip and basal plane is used in order to sort the
slip system as illustrated in Figures
\begin_inset CommandInset ref
LatexCommand ref
reference "Fig:BasalPrismSlip"
\end_inset
and
\begin_inset CommandInset ref
LatexCommand ref
reference "Fig:Pyr<a><c+a>"
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.
Numbers in Figures
\begin_inset CommandInset ref
LatexCommand ref
reference "Fig:BasalPrismSlip"
\end_inset
and
\begin_inset CommandInset ref
LatexCommand ref
reference "Fig:Pyr<a><c+a>"
\end_inset
indicate the sequence of each slip system in
\begin_inset Quotes eld
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lattice.f90
\begin_inset Quotes erd
\end_inset
.
In
\begin_inset Quotes eld
\end_inset
lattice.f90
\begin_inset Quotes erd
\end_inset
, No.
4 - 6 for basal and prism <a> slip do not include (Figure
\begin_inset CommandInset ref
LatexCommand ref
reference "Fig:BasalPrismSlip"
\end_inset
).
In Figure
\begin_inset CommandInset ref
LatexCommand ref
reference "Fig:Pyr<a><c+a>"
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, pyramidal slip <c+a> was used two criterions to sort the 12 slip systems;
i) intersection between pyramidal slip plane and basal plnae, and ii) <a>
direction.
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Basal and prism <a> slip.
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Pyramical <a> and <c+a> slip.
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\begin_layout Section
Twin system
\end_layout
\begin_layout Standard
An intersection between twin and basal plane is used in order to sort the
twin system as illustrated in Figures
\begin_inset CommandInset ref
LatexCommand ref
reference "Fig:TwinType1"
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and
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LatexCommand ref
reference "Fig:TwinType2"
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.
Numbers in Figures
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LatexCommand ref
reference "Fig:TwinType1"
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and
\begin_inset CommandInset ref
LatexCommand ref
reference "Fig:TwinType2"
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indicate the sequence of each twin system in
\begin_inset Quotes eld
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lattice.f90
\begin_inset Quotes erd
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.
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Tensile and compressive twin type 1
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Tensile and compressive twin type 2
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