Changeset da7b26b in sasmodels
 Timestamp:
 Sep 28, 2018 9:33:46 AM (8 months ago)
 Branches:
 master, core_shell_microgels, magnetic_model, ticket1257vesicleproduct, ticket_1156, ticket_1265_superball, ticket_822_more_unit_tests
 Children:
 a5bcd61
 Parents:
 dd16e07
 Location:
 sasmodels/models
 Files:

 3 edited
Legend:
 Unmodified
 Added
 Removed

sasmodels/models/bcc_paracrystal.py
r2d81cfe rda7b26b 1 1 r""" 2 .. warning:: This model and this model description are under review following 3 concerns raised by SasView users. If you need to use this model, 4 please email help@sasview.org for the latest situation. *The 5 SasView Developers. September 2018.* 6 2 7 Definition 3 8  … … 13 18 14 19 I(q) = \frac{\text{scale}}{V_p} V_\text{lattice} P(q) Z(q) 15 16 20 17 21 where *scale* is the volume fraction of spheres, $V_p$ is the volume of the … … 97 101 98 102 Authorship and Verification 99  103  100 104 101 105 * **Author:** NIST IGOR/DANSE **Date:** pre 2010 
sasmodels/models/fcc_paracrystal.py
r2d81cfe rda7b26b 3 3 #note  calculation requires double precision 4 4 r""" 5 .. warning:: This model and this model description are under review following 6 concerns raised by SasView users. If you need to use this model, 7 please email help@sasview.org for the latest situation. *The 8 SasView Developers. September 2018.* 9 10 Definition 11  12 5 13 Calculates the scattering from a **facecentered cubic lattice** with 6 14 paracrystalline distortion. Thermal vibrations are considered to be … … 8 16 Paracrystalline distortion is assumed to be isotropic and characterized by 9 17 a Gaussian distribution. 10 11 Definition12 13 18 14 19 The scattering intensity $I(q)$ is calculated as … … 23 28 is the paracrystalline structure factor for a facecentered cubic structure. 24 29 25 Equation (1) of the 1990 reference is used to calculate $Z(q)$, using 26 equations (23)(25) from the 1987 paper for $Z1$, $Z2$, and $Z3$. 30 Equation (1) of the 1990 reference\ [#CIT1990]_ is used to calculate $Z(q)$, 31 using equations (23)(25) from the 1987 paper\ [#CIT1987]_ for $Z1$, $Z2$, and 32 $Z3$. 27 33 28 34 The lattice correction (the occupied volume of the lattice) for a … … 88 94  89 95 90 Hideki Matsuoka et. al. *Physical Review B*, 36 (1987) 17541765 91 (Original Paper) 96 .. [#CIT1987] Hideki Matsuoka et. al. *Physical Review B*, 36 (1987) 17541765 97 (Original Paper) 98 .. [#CIT1990] Hideki Matsuoka et. al. *Physical Review B*, 41 (1990) 3854 3856 99 (Corrections to FCC and BCC lattice structure calculation) 92 100 93 Hideki Matsuoka et. al. *Physical Review B*, 41 (1990) 3854 3856 94 (Corrections to FCC and BCC lattice structure calculation) 101 Authorship and Verification 102  103 104 * **Author:** NIST IGOR/DANSE **Date:** pre 2010 105 * **Last Modified by:** Paul Butler **Date:** September 29, 2016 106 * **Last Reviewed by:** Richard Heenan **Date:** March 21, 2016 95 107 """ 96 108 
sasmodels/models/sc_paracrystal.py
r2d81cfe rda7b26b 1 1 r""" 2 .. warning:: This model and this model description are under review following 3 concerns raised by SasView users. If you need to use this model, 4 please email help@sasview.org for the latest situation. *The 5 SasView Developers. September 2018.* 6 7 Definition 8  9 2 10 Calculates the scattering from a **simple cubic lattice** with 3 11 paracrystalline distortion. Thermal vibrations are considered to be … … 5 13 Paracrystalline distortion is assumed to be isotropic and characterized 6 14 by a Gaussian distribution. 7 8 Definition9 10 15 11 16 The scattering intensity $I(q)$ is calculated as … … 20 25 $Z(q)$ is the paracrystalline structure factor for a simple cubic structure. 21 26 22 Equation (16) of the 1987 reference is used to calculate $Z(q)$, using 23 equations (13)(15) from the 1987 paper for Z1, Z2, and Z3. 27 Equation (16) of the 1987 reference\ [#CIT1987]_ is used to calculate $Z(q)$, 28 using equations (13)(15) from the 1987 paper\ [#CIT1987]_ for $Z1$, $Z2$, and 29 $Z3$. 24 30 25 31 The lattice correction (the occupied volume of the lattice) for a simple cubic … … 91 97 Reference 92 98  93 Hideki Matsuoka et. al. *Physical Review B,* 36 (1987) 1754176594 (Original Paper)95 99 96 Hideki Matsuoka et. al. *Physical Review B,* 41 (1990) 3854 3856 97 (Corrections to FCC and BCC lattice structure calculation) 100 .. [#CIT1987] Hideki Matsuoka et. al. *Physical Review B*, 36 (1987) 17541765 101 (Original Paper) 102 .. [#CIT1990] Hideki Matsuoka et. al. *Physical Review B*, 41 (1990) 3854 3856 103 (Corrections to FCC and BCC lattice structure calculation) 104 105 Authorship and Verification 106  107 108 * **Author:** NIST IGOR/DANSE **Date:** pre 2010 109 * **Last Modified by:** Paul Butler **Date:** September 29, 2016 110 * **Last Reviewed by:** Richard Heenan **Date:** March 21, 2016 98 111 """ 99 112
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