Changeset 9316609 in sasview for sansmodels/src/sans/models/CoreShellCylinderModel.py

Timestamp:

Oct 28, 2008 3:22:22 PM (16 years ago)

Author:

Gervaise Alina <gervyh@…>

Branches:

master, ESS_GUI, ESS_GUI_Docs, ESS_GUI_batch_fitting, ESS_GUI_bumps_abstraction, ESS_GUI_iss1116, ESS_GUI_iss879, ESS_GUI_iss959, ESS_GUI_opencl, ESS_GUI_ordering, ESS_GUI_sync_sascalc, costrafo411, magnetic_scatt, release-4.1.1, release-4.1.2, release-4.2.2, release_4.0.1, ticket-1009, ticket-1094-headless, ticket-1242-2d-resolution, ticket-1243, ticket-1249, ticket885, unittest-saveload

Children:

92320e5

Parents:

89fef2c

Message:

added description to model

File:

• sansmodels/src/sans/models/CoreShellCylinderModel.py (modified) (1 diff)

sansmodels/src/sans/models/CoreShellCylinderModel.py

@@ -42 +42 @@
         ## Name of the model
         self.name = "CoreShellCylinderModel"
-
+        self.description= """P(q,alpha)= scale/Vs*f(q)^(2) + bkg  Where:\n\
+                f(q)= 2(core_sld- solvant_sld)* Vc*sin[qLcos(alpha/2)]/\n\
+                [qLcos(alpha/2)]*J1(qRsin(alpha))/[qRsin(alpha)] +\n 2(shell_sld-solvent_sld)*Vs
+                *sin[q(L+T)cos(alpha/2)]/[[q(L+T)cos(alpha/2)]
+                *J1(q(R+T)sin(alpha))/q(R+T)sin(alpha)]
+                alpha:is the angle between the axis of the cylinder and the q-vector
+                Vs: the volume of the outer shell
+                Vc: the volume of the core
+                L: the length of the core
+                shell_sld: the scattering length density of the shell
+                solvent_sld: the scattering length density of the solvent
+                bkg: the background
+                T: the thickness
+                R+T: is the outer radius
+                L+2T: The total length of the outershell
+                J1: the first order Bessel function
+                theta: axis_theta of the cylinder
+                phi: the axis_phi of the cylinder"""
                 ## Parameter details [units, min, max]
         self.details = {}