# Changeset 6e7d7b6 in sasmodels

Ignore:
Timestamp:
Sep 7, 2018 12:18:36 PM (10 months ago)
Branches:
master, core_shell_microgels, magnetic_model, ticket-1257-vesicle-product, ticket_1156, ticket_1265_superball, ticket_822_more_unit_tests
Children:
b477605
Parents:
455aaa1
Message:

Fix Vesicle and Hollow Rectangular Prism Thin Walls

fix errors and document normalizatin for the two aforementioned models

Location:
sasmodels/models
Files:
2 edited

### Legend:

Unmodified
 r2d81cfe # Note: model title and parameter table are inserted automatically r""" Definition ---------- This model provides the form factor, $P(q)$, for a hollow rectangular prism with infinitely thin walls. It computes only the 1D scattering, not the 2D. Definition ---------- The 1D scattering intensity for this model is calculated according to the equations given by Nayuk and Huber (Nayuk, 2012). equations given by Nayuk and Huber\ [#Nayuk2012]_. Assuming a hollow parallelepiped with infinitely thin walls, edge lengths I(q) = \text{scale} \times V \times (\rho_\text{p} - \rho_\text{solvent})^2 \times P(q) where $V$ is the volume of the rectangular prism, $\rho_\text{p}$ is the scattering length of the parallelepiped, $\rho_\text{solvent}$ is the scattering length of the solvent, and (if the data are in absolute units) *scale* represents the volume fraction (which is unitless). where $V$ is the surface area of the rectangular prism, $\rho_\text{p}$ is the scattering length density of the parallelepiped, $\rho_\text{solvent}$ is the scattering length density of the solvent, and (if the data are in absolute units) *scale* is related to the total surface area. **The 2D scattering intensity is not computed by this model.** Validation of the code was conducted  by qualitatively comparing the output of the 1D model to the curves shown in (Nayuk, 2012). of the 1D model to the curves shown in (Nayuk, 2012\ [#Nayuk2012]_). ---------- R Nayuk and K Huber, *Z. Phys. Chem.*, 226 (2012) 837-854 .. [#Nayuk2012] R Nayuk and K Huber, *Z. Phys. Chem.*, 226 (2012) 837-854 Authorship and Verification ---------------------------- * **Author:** Miguel Gonzales **Date:** February 26, 2016 * **Last Modified by:** Paul Kienzle **Date:** October 15, 2016 * **Last Reviewed by:** Paul Butler **Date:** September 07, 2018 """