Changes between Version 200 and Version 201 of UvmatHelp


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Timestamp:
Feb 18, 2016, 4:01:35 PM (8 years ago)
Author:
sommeria
Comment:

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  • UvmatHelp

    v200 v201  
    331331Fields may be alternatively obtained on a unstructured (grid-less) set of positions. The coordinates are then described by coordinate arrays X(nb_points), Y(nb_points), Z(nb_points). The corresponding field values are then represented as variables U(nb_point),V(nb_point) for each vector component, or alternatively by V(nb_points, j, i), where i, j possibly stand for vector or tensor components.
    332332
    333 - '''Thin plate shell (tps) interpolation:''' 
     333- '''Thin plate shell (tps) interpolation:'''
    334334
    335335This is a multi-dimensional generalisation of the spline interpolation/smoothing, an optimum way to interpolate data with minimal  curvature of the interpolating function. The result at an interpolation position vector ${\bf r}$ is expressed in the form, (see ThinPlateShell).
     
    922922
    923923||'''tag'''||'''dimensions'''||'''        content'''||
    924 ||Civ1_X||nb_vec_1|| x coordinates||
     924||Civ1_X||nb_vec_1||x coordinates||
    925925||Civ1_Y||nb_vec_1||y coordinates||
    926926||Civ1_Z||nb_vec_1||z coordinates (for PIV in volume)||
     
    941941||Civ1_W_tps||(nb_tps_1,nb_subdomain_1)||tps weights for z vel component||
    942942
    943 nb_vec_1= nbre of vectors measured by PIV
    944 nb_coord=2 or 3 is the dimension of space
    945 nb_bounds=2 represents the lower and upper bound of each coordinate
    946 nb_subdomain_1 is the number of subdomqins used for patch
    947 nb_tps_1 maximum number of tps centres in subdomains
    948 For civ2, all indices _1 are replaced by _2
     943'''dimensions:'''
     944
     945 * nb_vec_1= nbre of vectors measured by PIV
     946 *  nb_coord=2 or 3 is the dimension of space
     947 *  nb_bounds=2 represents the lower and upper bound of each coordinate
     948 * nb_subdomain_1 is the number of subdomqins used for patch
     949 * nb_tps_1 maximum number of tps centres in subdomains For civ2, all indices _1 are replaced by _2
     950
     951
    949952
    950953- '''List of constants, old CIVx conventions:'''