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% Copyright (C) 2017-2020 Yves Renard.
%
% This file is a part of GetFEM++
%
% GetFEM++ is free software; you can redistribute it and/or modify it
% under the terms of the GNU Lesser General Public License as published
% by the Free Software Foundation; either version 3 of the License, or
% (at your option) any later version along with the GCC Runtime Library
% Exception either version 3.1 or (at your option) any later version.
% This program is distributed in the hope that it will be useful, but
% WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
% or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
% License and GCC Runtime Library Exception for more details.
% You should have received a copy of the GNU Lesser General Public License
% along with this program; if not, write to the Free Software Foundation,
% Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
% -*- matlab -*- (enables emacs matlab mode)
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% parameters for program stokes %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
N = 2;
QUAD = 0;
NU = 1/80; % test 1/100 sinon, Viscosity coefficient. (NU = 1 / Re)
ALPHA = 0.0; % rate of rotation of the cylinder
% The RADIUS must be less than 1
PRINT_PT_PART = 1; % 0 = no output values in the point define in BOXX
% 1 = output
CLCD = 1; % Computation of the Lift and Drag Coefficients
POSTPROCESS = 0;
IstartPostprocess = 0;
PasPostprocess = 1;
NbPostprocess = 1;
if (N==2)
BOXXmin = 9.9;
BOXXmax = 10.1;
BOXYmin = -0.1;
BOXYmax = 0.1;
end;
if (N==3)
BOXXmin = 4.5;
BOXXmax = 5.5;
BOXYmin = -0.5;
BOXYmax = 0.5;
BOXZmin = -0.1;
BOXZmax = 0.1;
end;
%INIT_FILE_Um1="SolIcare/icare.1Um1";
%INIT_FILE_U="icare.U500";
%INIT_FILE_P="icare.P500";
Tinitial = 0;
DT = 0.01; % Time step
T = 250; % Final time
NOISY = 0;
TIME_ORDER = 1 % 1 = Euler of order 1
% 2 = Euler of order 2
OPTION = 4; % 0 = Stokes avec schema de splitting 1
% 1 = Navier Stokes avec schema de splitting 1
% 2 = Navier Stokes with energy conserving midpoint scheme
% 3 = Navier Stokes with prediction-correction scheme
% 4 = Navier Stokes with prediction-correction without bricks
PROBLEM = 3; % 1 = Reference solution for Stokes
% 2 = Reference solution for Navier Stokes
% 3 = flow around a cylinder (centered at 0)
NON_REFLECTIVE_BC = 0; % 0 : basic condition
% if (N==2) : optimal condition, all
% terms are considered
% if (N==3) : some terms are neglect
% => bad choice
% 1 : improved condition
% interpolation of the hessian is
% made ... so it is not optimal
% if (N==2) : the basic condition is
% better
% if (N==3) : all terms are considered
if (N == 2 && ~QUAD)
% MESHNAME = 'maillage003.mesh'; % name of the mesh file
%MESHNAME = 'gmshv2:pouet5_v2.msh';
%MESHNAME = 'MESHES/navier_stokes_cylinder2.mesh'; % name of the mesh file
%MESHNAME = 'gmshv2:triangular.msh';
%MESHNAME = 'gmshv2:yannick.msh';
MESHNAME = 'gmshv2:MESHES/mejdi.msh';
%MESHNAME = 'gmshv2:Rkd2.msh';
%MESHNAME = 'maillage02.mesh';
%MESHNAME = 'structured:GT="GT_PK(2,1)";SIZES=[1,1];NOISED=0;NSUBDIV=[30,30]';
if (OPTION >= 3)
FEM_TYPE = 'FEM_PK(2,2)'; % PK method
FEM_TYPE_P = 'FEM_PK(2,1)'; % P1 for triangles
else % take care to the inf-sup condition !
FEM_TYPE = 'FEM_PK(2,2)'; % PK method
FEM_TYPE_P = 'FEM_PK(2,1)'; % P1 for triangles
end
% DATA_FEM_TYPE = 'FEM_PK(2,1)';
INTEGRATION = 'IM_TRIANGLE(6)';
end
if (N == 2 && QUAD)
% MESHNAME = 'structured:GT="GT_QK(2,1)";SIZES=[1,1];NOISED=0;NSUBDIV=[10,10]';
% MESHNAME = 'gmshv2:rectangularRitesh2D.msh';
% MESHNAME = 'gmshv2:rectangular.msh';
% MESHNAME = 'gmshv2:mesh100_2D.msh';
% MESHNAME = 'gmshv2:cyl2DsmScaling.msh';
MESHNAME = 'gmshv2:cyl2D_400k-ddl.msh';
%MESHNAME = 'gmshv2:cyl2D_1,7M-ddl.msh';
% MESHNAME = 'gmshv2:cyl2D.msh';
FEM_TYPE = 'FEM_QK(2,2)'; % QK method
FEM_TYPE_P = 'FEM_QK(2,1)';
% DATA_FEM_TYPE = 'FEM_QK(2,1)';
INTEGRATION = 'IM_GAUSS_PARALLELEPIPED(2,10)';
%INTEGRATION = 'IM_QUAD(7)';
end
if (N == 3 && ~QUAD)
%MESHNAME = 'structured:GT="GT_PK(3,1)";SIZES=[1,1,1];NSUBDIV=[5,5,5]';
% MESHNAME = 'gmshv2:tralala_3D.msh';
MESHNAME = 'gmshv2:cyl3D.msh';
FEM_TYPE = 'FEM_PK(3,2)'; % PK method
FEM_TYPE_P = 'FEM_PK(3,1)';
% DATA_FEM_TYPE = 'FEM_PK(3,1)';
INTEGRATION = 'IM_TETRAHEDRON(8)';
end
if (N == 3 && QUAD)
% MESHNAME = 'gmshv2:rectangularRitesh3D.msh';
MESHNAME = 'gmshv2:cylinder3D.msh';
% MESHNAME = 'gmshv2:cyl3D.msh';
% MESHNAME = 'gmshv2:cyl3D-20.msh';
% MESHNAME = 'gmshv2:cyl3D-40.msh';
% MESHNAME = 'gmshv2:cyl3D-60.msh';
FEM_TYPE = 'FEM_QK(3,2)'; % QK method
FEM_TYPE_P = 'FEM_QK(3,1)';
% DATA_FEM_TYPE = 'FEM_QK(3,1)';
INTEGRATION = 'IM_GAUSS_PARALLELEPIPED(3,10)';
%INTEGRATION = 'IM_HEXAHEDRON(9)';
end
RESIDUAL = 1E-9; % residual for conjugate gradient.
%%%%% saving parameters %%%%%
ROOTFILENAME = 'icare'; % Root of data files.
DX_EXPORT = 1; % export solution to a .dx file ?
VTK_EXPORT = 1;
DT_EXPORT = 100*DT;
DT_MUMPS_ANALYSE=50;
BORNE=1;
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