All Models

Name Description Category Upload Date Author Score Verified
Squarewell # Note: model title and parameter table are inserted automatically Calculates the interparticle structure factor for a hard sphere fluid with a narrow, attractive, square well potential. **The Mean... Structure Factor 07 Sep 2017 sasview 0
Gel Fit *This model was implemented by an interested user!* Unlike a concentrated polymer solution, the fine-scale polymer distribution in a gel involves at least two characteristic length scales, a sho... Shape-Independent 07 Sep 2017 sasview 0
Peak Lorentz This model describes a Lorentzian shaped peak on a flat background. Definition The scattering intensity $I(q)$ is calculated as $$ I(q) = \frac{scale}{\bigl(1+\bigl(\frac{q-q_0}{B}\big... Shape-Independent 07 Sep 2017 sasview 0
Hardsphere # Note: model title and parameter table are inserted automatically Calculates the interparticle structure factor for monodisperse spherical particles interacting through hard sphere (excluded volum... Structure Factor 07 Sep 2017 sasview 0
Core Shell Parallelepiped Definition Calculates the form factor for a rectangular solid with a core-shell structure. The thickness and the scattering length density of the shell or "rim" can be different on each (pair... Parallelepiped 07 Sep 2017 sasview 0
Correlation Length #correlation length model # Note: model title and parameter table are inserted automatically Definition The scattering intensity I(q) is calculated as $$ I(Q) = \frac{A}{Q^n} + \frac{C}{1 ... Shape-Independent 07 Sep 2017 sasview 0
Binary Hard Sphere Definition The binary hard sphere model provides the scattering intensity, for binary mixture of hard spheres including hard sphere interaction between those particles, using rhw Percus-Yevic... Sphere 07 Sep 2017 sasview 0
Core Shell Bicelle Definition This model provides the form factor for a circular cylinder with a core-shell scattering length density profile. Thus this is a variation of a core-shell cylinder or disc where the... Cylinder 07 Sep 2017 sasview 0
Capped Cylinder Definitions Calculates the scattering from a cylinder with spherical section end-caps. Like `barbell`, this is a sphereocylinder with end caps that have a radius larger than that of the cylin... Cylinder 07 Sep 2017 sasview 0
Fractal Definition This model calculates the scattering from fractal-like aggregates of spherical building blocks according the following equation: $$ I(q) = \phi\ V_\text{block} (\rho_\text{block} ... Shape-Independent 07 Sep 2017 sasview 0
Sphere For information about polarised and magnetic scattering, see the `magnetism` documentation. Definition The 1D scattering intensity is calculated in the following way (Guinier, 1955) $$ ... Sphere 07 Sep 2017 sasview 0
Teubner Strey Definition This model calculates the scattered intensity of a two-component system using the Teubner-Strey model. Unlike `dab` this function generates a peak. A two-phase material can be char... Shape-Independent 07 Sep 2017 sasview 0
Hollow Rectangular Prism # rectangular_prism model # Note: model title and parameter table are inserted automatically Definition This model provides the form factor, $P(q)$, for a hollow rectangular parallelepiped wi... Parallelepiped 07 Sep 2017 sasview 0
Lamellar Hg # Note: model title and parameter table are inserted automatically This model provides the scattering intensity, $I(q)$, for a lyotropic lamellar phase where a random distribution in solution are a... Lamellae 07 Sep 2017 sasview 0
Rectangular Prism # rectangular_prism model # Note: model title and parameter table are inserted automatically This model provides the form factor, $P(q)$, for a rectangular prism. Note that this model is almo... Parallelepiped 07 Sep 2017 sasview 2
Hollow Cylinder Definition This model provides the form factor, $P(q)$, for a monodisperse hollow right angle circular cylinder (rigid tube) where the The inside and outside of the hollow cylinder are assume... Cylinder 07 Sep 2017 sasview 0
Barbell Definition Calculates the scattering from a barbell-shaped cylinder. Like `capped-cylinder`, this is a spherocylinder with spherical end caps that have a radius larger than that of the cylin... Cylinder 07 Sep 2017 sasview 0
Lamellar Stack Paracrystal # Note: model title and parameter table are inserted automatically This model calculates the scattering from a stack of repeating lamellar structures. The stacks of lamellae (infinite in lateral di... Lamellae 07 Sep 2017 sasview 0
Gaussian Peak Definition This model describes a Gaussian shaped peak on a flat background $$ I(q) = (\text{scale}) \exp\left[ -\tfrac12 (q-q_0)^2 / \sigma^2 \right] + \text{background} $$ with the ... Shape-Independent 07 Sep 2017 sasview 0
Unified Power Rg Definition This model employs the empirical multiple level unified Exponential/Power-law fit method developed by Beaucage. Four functions are included so that 1, 2, 3, or 4 levels can be used... Shape-Independent 07 Sep 2017 sasview 0
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