jakob.schratter/SciFEM-Project_CoffeeMugSimulation_Celebic-Schratter
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fixed visualization

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jakob.schratter 2026-01-28 08:52:12 +01:00
commit 2d407097db
4 changed files with 77 additions and 22 deletions
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1
mgrid_2/geom.cpp
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@ -314,6 +314,7 @@ void Mesh::Visualize_matlab(vector<double> const &v) const
//const string exec_m("matlab -nosplash < visualize_results.m"); // Matlab
//const string exec_m("octave --no-window-system --no-gui visualize_results.m"); // Octave
//const string exec_m("flatpak run org.octave.Octave visualize_results.m"); // Octave (flatpak): desktop GH
const string exec_m("octave visualize_results.m");
const string fname("uv.txt");

22
solid-cpp/CMakeLists.txt
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@ -2,12 +2,8 @@ CMAKE_MINIMUM_REQUIRED(VERSION 3.10.2)
SET(TARGET "ownSolver")
PROJECT(${TARGET} LANGUAGES CXX DESCRIPTION "ownSolver")
# The ownSolver requires c++17
SET(CMAKE_CXX_STANDARD 17)
SET(CMAKE_CXX_EXTENSIONS OFF)
SET(CMAKE_CXX_STANDARD_REQUIRED ON)
file(GLOB MGRID_2_SOURCES
add_library(mgrid_2_library
../mgrid_2/binaryIO.cpp
../mgrid_2/cuthill_mckee_ordering.cpp
../mgrid_2/elements.cpp
@ -15,7 +11,13 @@ file(GLOB MGRID_2_SOURCES
../mgrid_2/getmatrix.cpp
../mgrid_2/jacsolve.cpp
../mgrid_2/userset.cpp
../mgrid_2/vdop.cpp)
../mgrid_2/vdop.cpp
)
target_include_directories(mgrid_2_library PUBLIC
${CMAKE_CURRENT_LIST_DIR}/../mgrid_2
)
FIND_PACKAGE(precice 3.0 REQUIRED CONFIG)
@ -23,8 +25,12 @@ FIND_PACKAGE(OpenMP REQUIRED)
ADD_EXECUTABLE(
${TARGET}
${TARGET}.cpp
${MGRID_2_SOURCES}
)
target_compile_features(mgrid_2_library PUBLIC cxx_std_17)
target_compile_features(${TARGET} PUBLIC cxx_std_17)
TARGET_LINK_LIBRARIES(${TARGET} PRIVATE precice::precice
OpenMP::OpenMP_CXX)
OpenMP::OpenMP_CXX
PRIVATE mgrid_2_library
)

43
solid-cpp/ascii_read_meshvector.m Normal file
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@ -0,0 +1,43 @@
function [ xc, ia, v ] = ascii_read_meshvector( fname )
%
% Loads the 2D triangular mesh (coordinates, vertex connectivity)
% together with values on its vertices from an ASCII file.
% Matlab indexing is stored (starts with 1).
%
% The input file format is compatible
% with Mesh_2d_3_matlab:Write_ascii_matlab(..) in jacobi_oo_stl/geom.h
%
%
% IN: fname - filename
% OUT: xc - coordinates
% ia - mesh connectivity
% v - solution vector
DELIMETER = ' ';
fprintf('Read file %s\n',fname)
% Read mesh constants
nn = dlmread(fname,DELIMETER,[0 0 0 3]); %% row_1, col_1, row_2, col_2 in C indexing!!!
nnode = nn(1);
ndim = nn(2);
nelem = nn(3);
nvert = nn(4);
% Read coordinates
row_start = 0+1;
row_end = 0+nnode;
xc = dlmread(fname,DELIMETER,[row_start 0 row_end ndim-1]);
% Read connectivity
row_start = row_end+1;
row_end = row_end+nelem;
ia = dlmread(fname,DELIMETER,[row_start 0 row_end nvert-1]);
% Read solution
row_start = row_end+1;
row_end = row_end+nnode;
v = dlmread(fname,DELIMETER,[row_start 0 row_end 0]);
end

17
solid-cpp/ownSolver.cpp
View file

@ -1,8 +1,13 @@
#include "../mgrid_2/geom.h"
#include "../mgrid_2/getmatrix.h"
#include "../mgrid_2/jacsolve.h"
#include "../mgrid_2/userset.h"
#include "../mgrid_2/vdop.h"
// #include "../mgrid_2/geom.h"
// #include "../mgrid_2/getmatrix.h"
// #include "../mgrid_2/jacsolve.h"
// #include "../mgrid_2/userset.h"
// #include "../mgrid_2/vdop.h"
#include "geom.h"
#include "getmatrix.h"
#include "jacsolve.h"
#include "userset.h"
#include "vdop.h"
#include <cassert>
#include <chrono> // timing
@ -166,7 +171,7 @@ int main(int argc, char **argv )
int nodeIndex = wetNodes[i];
uv[nodeIndex] = temperature[i] - 273.15;
}
mesh_c.Visualize(uv);
//mesh_c.Visualize(uv);
// ----- solve time step -----