Changeset 1916c52 in sasmodels
 Timestamp:
 Apr 7, 2017 5:56:11 AM (3 years ago)
 Branches:
 master, core_shell_microgels, costrafo411, magnetic_model, ticket1257vesicleproduct, ticket_1156, ticket_1265_superball, ticket_822_more_unit_tests
 Children:
 e6ab0d3
 Parents:
 14207bb
 Location:
 sasmodels/models
 Files:

 4 edited
Legend:
 Unmodified
 Added
 Removed

sasmodels/models/core_shell_parallelepiped.py
r14207bb r1916c52 10 10 11 11 .. note:: 12 This model was originally ported from NIST IGOR macros. However, t is not13 yet fully understood by the SasView developers and is currently review.12 This model was originally ported from NIST IGOR macros. However, it is not 13 yet fully understood by the SasView developers and is currently under review. 14 14 15 15 The form factor is normalized by the particle volume $V$ such that … … 33 33 $(=t_C)$ faces. The projection in the $AB$ plane is then 34 34 35 .. image:: img/core_shell_parallelepiped_projection. png35 .. image:: img/core_shell_parallelepiped_projection.jpg 36 36 37 37 The volume of the solid is … … 51 51 52 52 F_{a}(Q,\alpha,\beta)= 53 \left[\frac{\ tfrac{1}{2}\sin(Q(L_A+2t_A)\sin\alpha \sin\beta)}{\tfrac{1}{2}Q(L_A+2t_A)\sin\alpha\sin\beta}53 \left[\frac{\sin(\tfrac{1}{2}Q(L_A+2t_A)\sin\alpha \sin\beta)}{\tfrac{1}{2}Q(L_A+2t_A)\sin\alpha\sin\beta} 54 54  \frac{\sin(\tfrac{1}{2}QL_A\sin\alpha \sin\beta)}{\tfrac{1}{2}QL_A\sin\alpha \sin\beta} \right] 55 55 \left[\frac{\sin(\tfrac{1}{2}QL_B\sin\alpha \sin\beta)}{\tfrac{1}{2}QL_B\sin\alpha \sin\beta} \right] … … 58 58 .. note:: 59 59 60 Why does t_B not appear in the above equation? 60 61 For the calculation of the form factor to be valid, the sides of the solid 61 MUST be chosen such that** $A < B < C$.62 MUST (perhaps not any more?) be chosen such that** $A < B < C$. 62 63 If this inequality is not satisfied, the model will not report an error, 63 64 but the calculation will not be correct and thus the result wrong. … … 95 96 Definition of the angles for oriented coreshell parallelepipeds. 96 97 97 .. figure:: img/parallelepiped_angle_projection. jpg98 .. figure:: img/parallelepiped_angle_projection.png 98 99 99 100 Examples of the angles for oriented coreshell parallelepipeds against the 
sasmodels/models/parallelepiped.py
r14207bb r1916c52 14 14 15 15 .. _parallelepipedimage: 16 16 17 17 18 .. figure:: img/parallelepiped_geometry.jpg
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