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Fix second order output in elmer format
This commit is contained in:
Matthias Hochsteger
parent
be6dbdadbf
commit
db5acb5718
282
doc/element_types.tex
Normal file
282
doc/element_types.tex
Normal file
@ -0,0 +1,282 @@
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\documentclass[convert=pdf2svg]{standalone}
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% \documentclass{article}
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\usepackage[T1]{fontenc}
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\usepackage{lmodern}
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\renewcommand{\familydefault}{\sfdefault}
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\usepackage{tikz}
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\usepackage{tikz-3dplot}
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\usetikzlibrary{external}
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\tikzset{external/force remake}
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\tikzset{external/disable dependency files}
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\tikzset{external/aux in dpth={false}}
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% uncomment this to generate a figure for each cell type (and change documentclass to article)
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% \tikzexternalize
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\tikzstyle{vertex} = [circle,draw=black,fill=black,scale = 0.5]
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\tdplotsetmaincoords{70}{110}
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% cnode(tag,x,y,z,label,label_pos)
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\def\cnode(#1,#2,#3,#4,#5,#6){
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\node (#1) at (#2,#3,#4) [vertex,label=#6:$\mathsf{#5}$] {};
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}
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\pagestyle{empty}
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\begin{document}
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\begin{tabular}{cc}
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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SEGMENT &
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SEGMENT3
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\\
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\tikzsetnextfilename{line}
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\begin{tikzpicture}[scale = 2]
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\cnode(n0,0,0,0,1,below right);
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\cnode(n1,2,0,0,2,below right);
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\draw (n0) -- (n1);
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\end{tikzpicture}
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&
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\tikzsetnextfilename{line3}
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\begin{tikzpicture}[scale = 2]
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\cnode(n0,0,0,0,1,below right);
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\cnode(n1,2,0,0,2,below right);
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\cnode(n2,1,0,0,3,below right);
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\draw (n0) -- (n2) -- (n1);
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\end{tikzpicture}
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\\[1 em]
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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TRIG &
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TRIG6
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\\
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\tikzsetnextfilename{triangle}
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\begin{tikzpicture}[scale = 2]
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\cnode(n0,0,0,0,1,below right);
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\cnode(n1,2,0,0,2,below right);
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\cnode(n2,0,2,0,3,right);
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\draw (n0) -- (n1) -- (n2) -- (n0);
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\end{tikzpicture}
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&
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\tikzsetnextfilename{triangle6}
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\begin{tikzpicture}[scale = 2]
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\cnode(n0,0,0,0,1,below right);
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\cnode(n1,2,0,0,2,below right);
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\cnode(n2,0,2,0,3,right);
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\cnode(n3,1,0,0,6,below right);
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\cnode(n4,1,1,0,4,right);
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\cnode(n5,0,1,0,5,below right);
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\draw (n0) -- (n3) -- (n1) -- (n4) -- (n2) -- (n5) -- (n0);
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\end{tikzpicture}
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\\[1 em]
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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QUAD &
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QUAD8
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\\
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\tikzsetnextfilename{quad}
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\begin{tikzpicture}[scale = 2]
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\cnode(n0,0,0,0,1,below right);
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\cnode(n1,2,0,0,2,below right);
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\cnode(n2,2,2,0,3,below right);
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\cnode(n3,0,2,0,4,below right);
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\draw (n0) -- (n1) -- (n2) -- (n3) -- (n0);
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\end{tikzpicture}
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&
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\tikzsetnextfilename{quad8}
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\begin{tikzpicture}[scale = 2]
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\cnode(n0,0,0,0,1,below right);
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\cnode(n1,2,0,0,2,below right);
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\cnode(n2,2,2,0,3,below right);
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\cnode(n3,0,2,0,4,below right);
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\cnode(n4,1,0,0,5,below right);
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\cnode(n5,2,1,0,8,below right);
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\cnode(n6,1,2,0,6,below right);
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\cnode(n7,0,1,0,7,below right);
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\draw (n0) -- (n4) -- (n1) -- (n5) -- (n2) -- (n6) -- (n3) -- (n7) -- (n0);
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\end{tikzpicture}
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\\[1 em]
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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TET &
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TET10
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\\
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\tikzsetnextfilename{tetra}
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\begin{tikzpicture}[scale = 2, tdplot_main_coords]
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\cnode(n0,0,0,0,1,below right);
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\cnode(n1,2,0,0,3,below right);
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\cnode(n2,0,2,0,2,below right);
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\cnode(n3,0,0,2,4,right);
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\draw (n0) -- (n1) -- (n2) -- (n0);
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\draw (n0) -- (n3);
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\draw (n1) -- (n3);
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\draw (n2) -- (n3);
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\end{tikzpicture}
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&
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\tikzsetnextfilename{tetra10} % VTK
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\begin{tikzpicture}[scale = 2, tdplot_main_coords]
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\cnode(n0,0,0,0,1,below right);
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\cnode(n1,2,0,0,3,below right);
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\cnode(n2,0,2,0,2,below right);
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\cnode(n3,0,0,2,4,right);
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\cnode(n4,1,0,0,6,below right);
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\cnode(n5,1,1,0,8,below right);
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\cnode(n6,0,1,0,5,below right);
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\cnode(n7,0,0,1,7,below right);
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\cnode(n8,1,0,1,10,below right);
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\cnode(n9,0,1,1,9,right);
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\draw (n0) -- (n4) -- (n1) -- (n5) -- (n2) -- (n6) -- (n0);
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\draw (n0) -- (n7) -- (n3);
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\draw (n1) -- (n8) -- (n3);
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\draw (n2) -- (n9) -- (n3);
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\end{tikzpicture}
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\\[1 em]
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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PYRAMID &
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PYRAMID13
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\\
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\tikzsetnextfilename{pyramid}
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\begin{tikzpicture}[scale = 2, tdplot_main_coords]
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\cnode(n0,0,0,0,1,below right);
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\cnode(n1,2,0,0,4,below right);
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\cnode(n2,2,2,0,3,below right);
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\cnode(n3,0,2,0,2,below right);
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\cnode(n4,1,1,2,5,right);
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\draw (n0) -- (n1) -- (n2) -- (n3) -- (n0);
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\draw (n0) -- (n4);
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\draw (n1) -- (n4);
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\draw (n2) -- (n4);
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\draw (n3) -- (n4);
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\end{tikzpicture}
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&
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\tikzsetnextfilename{pyramid13} % VTK != gmsh
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\begin{tikzpicture}[scale = 2, tdplot_main_coords]
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\cnode(n0,0,0,0,1,below right);
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\cnode(n1,2,0,0,4,below right);
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\cnode(n2,2,2,0,3,below right);
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\cnode(n3,0,2,0,2,below right);
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\cnode(n4,1,1,2,5,right);
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\cnode(n5,1,0,0,8,below right);
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\cnode(n6,2,1,0,7,below right);
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\cnode(n7,1,2,0,9,below right);
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\cnode(n8,0,1,0,6,below right);
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\cnode(n9,0.5,0.5,1,10,below right);
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\cnode(n10,1.5,0.5,1,13,below right);
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\cnode(n11,1.5,1.5,1,12,below right);
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\cnode(n12,0.5,1.5,1,11,right);
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\draw (n0) -- (n5) -- (n1) -- (n6) -- (n2) -- (n7) -- (n3) -- (n8) -- (n0);
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\draw (n0) -- (n9) -- (n4);
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\draw (n1) -- (n10) -- (n4);
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\draw (n2) -- (n11) -- (n4);
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\draw (n3) -- (n12) -- (n4);
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\end{tikzpicture}
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\\[1 em]
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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PRISM &
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PRISM15
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\\
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\tikzsetnextfilename{wedge} % gmsh != VTK
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\begin{tikzpicture}[scale = 2, tdplot_main_coords]
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\cnode(n0,0,0,0,1,below right);
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\cnode(n1,2,0,0,3,below right);
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\cnode(n2,0,2,0,2,below right);
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\cnode(n3,0,0,2,4,below right);
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\cnode(n4,2,0,2,6,below right);
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\cnode(n5,0,2,2,5,below right);
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\draw (n0) -- (n1) -- (n2) -- (n0);
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\draw (n3) -- (n4) -- (n5) -- (n3);
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\draw (n0) -- (n3);
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\draw (n1) -- (n4);
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\draw (n2) -- (n5);
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\end{tikzpicture}
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&
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\tikzsetnextfilename{wedge15} % VTK != gmsh
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\begin{tikzpicture}[scale = 2, tdplot_main_coords]
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\cnode(n0,0,0,0,1,below right);
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\cnode(n1,2,0,0,3,below right);
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\cnode(n2,0,2,0,2,below right);
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\cnode(n3,0,0,2,4,below right);
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\cnode(n4,2,0,2,6,below right);
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\cnode(n5,0,2,2,5,below right);
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\cnode(n6,1,0,0,8,below right);
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\cnode(n7,1,1,0,9,below right);
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\cnode(n8,0,1,0,7,below right);
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\cnode(n9,1,0,2,14,below right);
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\cnode(n10,1,1,2,15,below right);
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\cnode(n11,0,1,2,13,below right);
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\cnode(n12,0,0,1,10,below right);
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\cnode(n13,2,0,1,12,below right);
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\cnode(n14,0,2,1,11,below right);
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\draw (n0) -- (n6) -- (n1) -- (n7) -- (n2) -- (n8) -- (n0);
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\draw (n3) -- (n9) -- (n4) -- (n10) -- (n5) -- (n11) -- (n3);
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\draw (n0) -- (n12) -- (n3);
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\draw (n1) -- (n13) -- (n4);
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\draw (n2) -- (n14) -- (n5);
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\end{tikzpicture}
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\\[1 em]
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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HEX &
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HEX20
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\\
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\tikzsetnextfilename{hexahedron}
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\begin{tikzpicture}[scale = 2, tdplot_main_coords]
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\cnode(n0,0,0,0,1,below right);
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\cnode(n1,2,0,0,4,below right);
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\cnode(n2,2,2,0,3,below right);
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\cnode(n3,0,2,0,2,below right);
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\cnode(n4,0,0,2,5,below right);
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\cnode(n5,2,0,2,8,below right);
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\cnode(n6,2,2,2,7,below right);
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\cnode(n7,0,2,2,6,below right);
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\draw (n0) -- (n1) -- (n2) -- (n3) -- (n0);
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\draw (n4) -- (n5) -- (n6) -- (n7) -- (n4);
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\draw (n0) -- (n4);
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\draw (n1) -- (n5);
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\draw (n2) -- (n6);
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\draw (n3) -- (n7);
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\end{tikzpicture}
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&
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\tikzsetnextfilename{hexahedron20} % VTK != gmsh
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\begin{tikzpicture}[scale = 2, tdplot_main_coords]
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\cnode(n0,0,0,0,1,below right);
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\cnode(n1,2,0,0,4,below right);
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\cnode(n2,2,2,0,3,below right);
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\cnode(n3,0,2,0,2,below right);
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\cnode(n4,0,0,2,5,below right);
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\cnode(n5,2,0,2,8,below right);
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\cnode(n6,2,2,2,7,below right);
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\cnode(n7,0,2,2,6,below right);
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\cnode(n8,1,0,0,11,below right);
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\cnode(n9,2,1,0,10,below right);
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\cnode(n10,1,2,0,12,below right);
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\cnode(n11,0,1,0,9,below right);
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\cnode(n12,1,0,2,15,below right);
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\cnode(n13,2,1,2,14,below right);
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\cnode(n14,1,2,2,16,below right);
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\cnode(n15,0,1,2,13,below right);
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\cnode(n16,0,0,1,17,below right);
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\cnode(n17,2,0,1,20,below right);
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\cnode(n18,2,2,1,19,below right);
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\cnode(n19,0,2,1,18,below right);
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\draw (n0) -- (n8) -- (n1) -- (n9) -- (n2) -- (n10) -- (n3) -- (n11) -- (n0);
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\draw (n4) -- (n12) -- (n5) -- (n13) -- (n6) -- (n14) -- (n7) -- (n15) -- (n4);
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\draw (n0) -- (n16) -- (n4);
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\draw (n1) -- (n17) -- (n5);
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\draw (n2) -- (n18) -- (n6);
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\draw (n3) -- (n19) -- (n7);
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\end{tikzpicture}
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\end{tabular}
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\end{document}
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@ -24,6 +24,35 @@ void WriteElmerFormat (const Mesh &mesh,
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const string &filename)
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{
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cout << "write elmer mesh files" << endl;
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std::map<ELEMENT_TYPE, int> tmap;
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tmap[TRIG] = 303;
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tmap[TRIG6] = 306;
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tmap[QUAD] = 404;
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tmap[QUAD8] = 408;
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tmap[TET] = 504;
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tmap[TET10] = 510;
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tmap[PYRAMID] = 605;
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tmap[PYRAMID13] = 613;
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tmap[PRISM] = 706;
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tmap[PRISM15] = 715;
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tmap[HEX] = 808;
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tmap[HEX20] = 820;
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std::map<int, Array<int,int>> pmap;
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pmap[TRIG] = {1,2,3};
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pmap[TRIG6] = {1,2,3, 6,4,5};
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pmap[QUAD] = {1,2,3,4};
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pmap[QUAD8] = {1,2,3,4, 5,8,6,7};
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pmap[TET] = {1,2,3,4};
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pmap[TET10] = {1,2,3,4, 5,8,6,7,9,10};
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pmap[PYRAMID]={1,2,3,4,5};
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pmap[PYRAMID13]= {1,2,3,4,5,6,7,8,9,10,11,12,13};
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pmap[PRISM] = {1,2,3,4,5,6};
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pmap[PRISM15] = {1,2,3,4,5,6,7,8,9,10,11,12,13,14,15};
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pmap[HEX] = {1,2,3,4,5,6,7,8};
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pmap[HEX20] = {1,2,3,4,5,8,6,7,8, 9,12,10,11, 17,20,19,18, 13,16,14,15};
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int np = mesh.GetNP();
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int ne = mesh.GetNE();
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int nse = mesh.GetNSE();
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@ -50,27 +79,67 @@ void WriteElmerFormat (const Mesh &mesh,
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ofstream outfile_e(str);
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sprintf( str, "%s/mesh.boundary", filename.c_str() );
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ofstream outfile_b(str);
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sprintf( str, "%s/mesh.names", filename.c_str() );
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ofstream outfile_names(str);
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for( auto codim : IntRange(0, mesh.GetDimension()-1) )
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{
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auto & names = const_cast<Mesh&>(mesh).GetRegionNamesCD(codim);
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for (auto i0 : Range(names) )
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{
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if(names[i0] == nullptr)
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continue;
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string name = *names[i0];
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if(name == "" || name == "default")
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continue;
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outfile_names << "$" << name << "=" << i0+1 << "\n";
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}
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}
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auto get3FacePoints = [](const Element2d & el)
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{
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INDEX_3 i3;
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INDEX_4 i4;
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auto eltype = el.GetType();
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switch (eltype)
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{
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case TRIG:
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case TRIG6:
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i3 = {el[0], el[1], el[2]};
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i3.Sort();
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break;
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case QUAD:
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case QUAD8:
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i4 = {el[0], el[1], el[2], el[3]};
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i4.Sort();
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i3 = {i4[0], i4[1], i4[2]};
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break;
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default:
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throw Exception("Got invalid type (no face)");
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}
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return i3;
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};
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// fill hashtable
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// use lowest three point numbers of lowest-order face to index faces
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INDEX_3_HASHTABLE<int> face2volelement(ne);
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for (i = 1; i <= ne; i++)
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for (int i = 1; i <= ne; i++)
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{
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const Element & el = mesh.VolumeElement(i);
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INDEX_3 i3;
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int k, l;
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for (j = 1; j <= 4; j++) // loop over faces of tet
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// getface not working for second order elements -> reconstruct linear element here
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Element linear_el = el;
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linear_el.SetNP(el.GetNV()); // GetNV returns 8 for HEX20 for instance
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||||
for (auto j : Range(1,el.GetNFaces()+1))
|
||||
{
|
||||
l = 0;
|
||||
for (k = 1; k <= 4; k++)
|
||||
if (k != j)
|
||||
{
|
||||
l++;
|
||||
i3.I(l) = el.PNum(k);
|
||||
}
|
||||
i3.Sort();
|
||||
face2volelement.Set (i3, i);
|
||||
Element2d face;
|
||||
linear_el.GetFace(j, face);
|
||||
face2volelement.Set (get3FacePoints(face), i);
|
||||
cout << "set " << get3FacePoints(face) << "\tto " << i << endl;
|
||||
}
|
||||
}
|
||||
|
||||
@ -78,10 +147,7 @@ void WriteElmerFormat (const Mesh &mesh,
|
||||
// outfile.setf (ios::fixed, ios::floatfield);
|
||||
// outfile.setf (ios::showpoint);
|
||||
|
||||
outfile_h << np << " " << ne << " " << nse << "\n";
|
||||
outfile_h << "2" << "\n";
|
||||
outfile_h << "303 " << nse << "\n";
|
||||
outfile_h << "504 " << ne << "\n";
|
||||
std::map<ELEMENT_TYPE, size_t> elcount;
|
||||
|
||||
for (i = 1; i <= np; i++)
|
||||
{
|
||||
@ -97,12 +163,15 @@ void WriteElmerFormat (const Mesh &mesh,
|
||||
{
|
||||
Element el = mesh.VolumeElement(i);
|
||||
if (inverttets) el.Invert();
|
||||
sprintf( str, "5%02d", (int)el.GetNP() );
|
||||
outfile_e << i << " " << el.GetIndex() << " " << str << " ";
|
||||
auto eltype = el.GetType();
|
||||
elcount[eltype]++;
|
||||
outfile_e << i << " " << el.GetIndex() << " " << tmap[eltype] << " ";
|
||||
|
||||
auto & map = pmap[eltype];
|
||||
for (j = 1; j <= el.GetNP(); j++)
|
||||
{
|
||||
outfile_e << " ";
|
||||
outfile_e << el.PNum(j);
|
||||
outfile_e << el.PNum(map[j-1]);
|
||||
}
|
||||
outfile_e << "\n";
|
||||
}
|
||||
@ -111,23 +180,29 @@ void WriteElmerFormat (const Mesh &mesh,
|
||||
{
|
||||
Element2d el = mesh.SurfaceElement(i);
|
||||
if (invertsurf) el.Invert();
|
||||
sprintf( str, "3%02d", (int)el.GetNP() );
|
||||
{
|
||||
INDEX_3 i3;
|
||||
for (j = 1; j <= 3; j++) i3.I(j) = el.PNum(j);
|
||||
i3.Sort();
|
||||
auto eltype = el.GetType();
|
||||
elcount[eltype]++;
|
||||
|
||||
int elind = face2volelement.Get(get3FacePoints(el));
|
||||
cout << "get " << get3FacePoints(el) << "\t " << elind << endl;
|
||||
|
||||
int elind = face2volelement.Get(i3);
|
||||
outfile_b << i << " " << mesh.GetFaceDescriptor(el.GetIndex()).BCProperty() <<
|
||||
" " << elind << " 0 " << str << " ";
|
||||
}
|
||||
" " << elind << " 0 " << tmap[eltype] << " ";
|
||||
|
||||
auto & map = pmap[el.GetType()];
|
||||
for (j = 1; j <= el.GetNP(); j++)
|
||||
{
|
||||
outfile_b << " ";
|
||||
outfile_b << el.PNum(j);
|
||||
outfile_b << el.PNum(map[j-1]);
|
||||
}
|
||||
outfile_b << "\n";
|
||||
}
|
||||
|
||||
outfile_h << np << " " << ne << " " << nse << "\n";
|
||||
outfile_h << "2" << "\n";
|
||||
|
||||
for( auto & [eltype,count] : elcount )
|
||||
outfile_h << tmap[eltype] << " " << count << "\n";
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user