core_shell_microgelscostrafo411magnetic_modelrelease_v0.94release_v0.95ticket-1257-vesicle-productticket_1156ticket_1265_superballticket_822_more_unit_tests
Last change
on this file since 117090a was
6794301,
checked in by wojciech, 8 years ago
|
NR gamma function replaced
|
-
Property mode set to
100644
|
File size:
2.0 KB
|
Rev | Line | |
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[7d4b2ae] | 1 | double form_volume(double radius, double thickness); |
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| 2 | |
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| 3 | double Iq(double q, |
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| 4 | double radius, |
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| 5 | double thickness, |
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| 6 | double core_sld, |
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| 7 | double shell_sld, |
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| 8 | double solvent_sld, |
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| 9 | double volfraction, |
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| 10 | double frac_dim, |
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| 11 | double cor_length); |
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| 12 | |
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| 13 | double Iqxy(double qx, double qy, |
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| 14 | double radius, |
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| 15 | double thickness, |
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| 16 | double core_sld, |
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| 17 | double shell_sld, |
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| 18 | double solvent_sld, |
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| 19 | double volfraction, |
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| 20 | double frac_dim, |
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| 21 | double cor_length); |
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| 22 | |
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| 23 | double form_volume(double radius, double thickness) |
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| 24 | { |
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| 25 | return 4.0 * M_PI / 3.0 * pow((radius + thickness), 3); |
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| 26 | } |
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| 27 | |
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| 28 | double Iq(double q, |
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| 29 | double radius, |
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| 30 | double thickness, |
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| 31 | double core_sld, |
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| 32 | double shell_sld, |
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| 33 | double solvent_sld, |
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| 34 | double volfraction, |
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| 35 | double frac_dim, |
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| 36 | double cor_length) { |
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| 37 | |
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| 38 | |
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| 39 | double intensity = core_shell_kernel(q, |
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| 40 | radius, |
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| 41 | thickness, |
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| 42 | core_sld, |
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| 43 | shell_sld, |
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| 44 | solvent_sld); |
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| 45 | //calculate S(q) |
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| 46 | double frac_1 = frac_dim-1.0; |
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| 47 | double qr = q*radius; |
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| 48 | |
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[6794301] | 49 | double t1 = frac_dim*sas_gamma(frac_1)*sin(frac_1*atan(q*cor_length)); |
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[7d4b2ae] | 50 | double t2 = (1.0 + 1.0/(q*cor_length)/(q*cor_length)); |
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| 51 | double t3 = pow(qr, frac_dim) * pow(t2, (frac_1/2.0)); |
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| 52 | double sq = t1/t3; |
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| 53 | sq += 1.0; |
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| 54 | |
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| 55 | return sq*intensity*volfraction; |
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| 56 | } |
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| 57 | |
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| 58 | double Iqxy(double qx, double qy, |
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| 59 | double radius, |
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| 60 | double thickness, |
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| 61 | double core_sld, |
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| 62 | double shell_sld, |
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| 63 | double solvent_sld, |
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| 64 | double volfraction, |
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| 65 | double frac_dim, |
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| 66 | double cor_length) { |
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| 67 | |
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| 68 | const double q = sqrt(qx*qx+qy*qy); |
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| 69 | return Iq(q, |
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| 70 | radius, |
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| 71 | thickness, |
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| 72 | core_sld, |
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| 73 | shell_sld, |
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| 74 | solvent_sld, |
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| 75 | volfraction, |
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| 76 | frac_dim, |
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| 77 | cor_length); |
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| 78 | |
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| 79 | } |
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| 80 | |
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| 81 | |
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