Changeset 6e7d7b6 in sasmodels
 Timestamp:
 Sep 7, 2018 12:18:36 PM (2 months ago)
 Branches:
 master, beta_approx, cudatest, py3, ticket1015gpumemerror, ticket1015quickfix, ticket1157, ticket608userdefinedweights, ticket_1156
 Children:
 b477605
 Parents:
 455aaa1
 Location:
 sasmodels/models
 Files:

 2 edited
Legend:
 Unmodified
 Added
 Removed

sasmodels/models/hollow_rectangular_prism_thin_walls.py
r2d81cfe r6e7d7b6 2 2 # Note: model title and parameter table are inserted automatically 3 3 r""" 4 Definition 5  6 4 7 5 8 This model provides the form factor, $P(q)$, for a hollow rectangular 6 9 prism with infinitely thin walls. It computes only the 1D scattering, not the 2D. 7 8 9 Definition10 11 12 10 The 1D scattering intensity for this model is calculated according to the 13 equations given by Nayuk and Huber (Nayuk, 2012).11 equations given by Nayuk and Huber\ [#Nayuk2012]_. 14 12 15 13 Assuming a hollow parallelepiped with infinitely thin walls, edge lengths … … 55 53 I(q) = \text{scale} \times V \times (\rho_\text{p}  \rho_\text{solvent})^2 \times P(q) 56 54 57 where $V$ is the volumeof the rectangular prism, $\rho_\text{p}$58 is the scattering length of the parallelepiped, $\rho_\text{solvent}$59 is the scattering length of the solvent, and (if the data are in absolute60 units) *scale* represents the volume fraction (which is unitless).55 where $V$ is the surface area of the rectangular prism, $\rho_\text{p}$ 56 is the scattering length density of the parallelepiped, $\rho_\text{solvent}$ 57 is the scattering length density of the solvent, and (if the data are in 58 absolute units) *scale* is related to the total surface area. 61 59 62 60 **The 2D scattering intensity is not computed by this model.** … … 67 65 68 66 Validation of the code was conducted by qualitatively comparing the output 69 of the 1D model to the curves shown in (Nayuk, 2012 ).67 of the 1D model to the curves shown in (Nayuk, 2012\ [#Nayuk2012]_). 70 68 71 69 … … 73 71  74 72 75 R Nayuk and K Huber, *Z. Phys. Chem.*, 226 (2012) 837854 73 .. [#Nayuk2012] R Nayuk and K Huber, *Z. Phys. Chem.*, 226 (2012) 837854 74 75 76 Authorship and Verification 77  78 79 * **Author:** Miguel Gonzales **Date:** February 26, 2016 80 * **Last Modified by:** Paul Kienzle **Date:** October 15, 2016 81 * **Last Reviewed by:** Paul Butler **Date:** September 07, 2018 76 82 """ 77 83 
sasmodels/models/vesicle.py
ref07e95 r6e7d7b6 3 3  4 4 5 The 1D scattering intensity is calculated in the following way (Guinier, 1955) 5 TThis model provides the form factor, *P(q)*, for an unilamellar vesicle. This 6 s model is effectively identical to the hollow sphere reparameterized to be 7 more intuitive for a vesicle and normalizing the form factor by the volume of 8 the shell. The 1D scattering intensity is calculated in the following way 9 (Guinier,1955\ [#Guinier1955]_) 6 10 7 11 .. math:: … … 53 57  54 58 55 A Guinier and G. Fournet, *SmallAngle Scattering of XRays*, John Wiley and 56 Sons, New York, (1955) 59 .. [#Guinier1955] A Guinier and G. Fournet, *SmallAngle Scattering of XRays*, John Wiley and 60 Sons, New York, (1955) 61 62 63 Authorship and Verification 64  57 65 58 66 * **Author:** NIST IGOR/DANSE **Date:** pre 2010 59 67 * **Last Modified by:** Paul Butler **Date:** March 20, 2016 60 * **Last Reviewed by:** Paul Butler **Date:** March 20, 201668 * **Last Reviewed by:** Paul Butler **Date:** September 7, 2018 61 69 """ 62 70 … … 65 73 66 74 name = "vesicle" 67 title = "This model provides the form factor, *P(q)*, for an unilamellar \ 68 vesicle. This is model is effectively identical to the hollow sphere \ 69 reparameterized to be more intuitive for a vesicle and normalizing the \ 70 form factor by the volume of the shell." 75 title = "Vesicle model representing a hollow sphere" 71 76 description = """ 72 77 Model parameters:
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