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OpenFOAM Labo
shallowWaterFoamでelbowのメッシュを使って計算する
$FOAM_TUTORIALS/incompressible/icoFoam/elbow
$FOAM_TUTORIALS/incompressible/shallowWaterFoam/squareBump
複数の流入口がある曲がり管
https://www.xsim.info/articles/OpenFOAM/tutorials/incompressible-icoFoam-elbow.html
浅水方程式による流れ
https://www.xsim.info/articles/OpenFOAM/tutorials/incompressible-shallowWaterFoam-squareBump.html
elbow
cp -r $FOAM_TUTORIALS/incompressible/icoFoam/elbow elbow
cd elbow
fluentMeshToFoam elbow.msh
icoFoam
foamMeshToFluent
foamDataToFluent
shallowWaterFoam
cp -r $FOAM_TUTORIALS/incompressible/shallowWaterFoam/squareBump squareBump
cd squareBump
blockMesh
shallowWaterFoam
plot 'residuals.dat' us 1:2 w l
set log y ;rep
入り口1で10m/s,入り口2で1m/s(あるいはもっと遅く)で流入させて定常解を求める。(二つの入り口で流れの向きが異なることに注意)
いきなりOpenFoam7
https://www.softflow.jp/tech-forum/ikinari-openfoam-7/
いきなりOpenFoam8
https://www.softflow.jp/tech-forum/ikinari-openfoam-8/
XSim
GUIで動くブラウザベースのプリプロセッサ
(補足:ソースプログラムをコンパイルする前に、ソースプログラムに対して行われる前処理をプリプロセスという。このプリプロセスを行なうプログラムのことをプリプロセッサと呼ぶ。通常はコンパイラがプリプロセッサの機能を兼ね備えている。)
https://www.softflow.jp/tech-forum/ikinari-openfoam-6/
FreeCAD
OpenFoamでもXSimでも任意形状の読み込みには、面要素に分解されたSTLデータが必要
https://www.softflow.jp/tech-forum/ikinari-openfoam-5/
以下の記事を参考に環境構築をする。
https://ofbkansai.sakura.ne.jp/archives/124213
空間方向の独立変数が2つ
二次元でy方向に1グリッドの設定をXSimの境界条件で設定する。
TreeFoamとは、ケースファイルをGUIで編集・操作できるソフトのこと。
TreeFoamでsimpleFoamを使っているところをshallowWaterFoamで計算する。
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