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docs/_site/pages/hybrid1.md

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+
+        *input.hybrid
+
+        * this deck will create a hybrid grid using addmesh
+
+        * create tet grid first
+
+        * remove region where hex grid will be inserted
+
+        * create hext grid
+
+        * use addmesh to create hybrid grid
+
+        * repeat geometry specifications for hybrid grid
+
+        * create a 3-D tetrahedral mesh object and name it 3dmesh
+
+        cmo/create/3dmesh/
+
+        * unit cube
+
+        surface/cube/reflect/box/0.0,0.0,0.0/1.0,1.0,1.0/
+
+        * define z=.4,.6 plane as interface
+
+        surface/cutpl1/intrface/plane/0.,0.,.4/1.,0.,.4/1.,1.,.4/
+
+        surface/cutpl2/intrface/plane/0.,0.,.6/1.,0.,.6/1.,1.,.6/
+
+        *define geometric regions
+
+        region/top/ le cube and ge cutpl2 /
+
+        region/bottom/ le cube and le cutpl1 /
+
+        region/middle/ le cube and gt cutpl1 and lt cutpl2 /
+
+        * define material regions
+
+        mregion/top/ le cube and gt cutpl2 /
+
+        mregion/bottom/ le cube and lt cutpl1 /
+
+        mregion/middle/ le cube and gt cutpl1 and lt cutpl2 /
+
+        * create 25 points (5x5x1) in a plane above the unit cube
+
+        * place points on the boundaries in the x and y directions (1,1,0)
+
+        rz/xyz/5,5,11/0.,0.,0./1.,1.,1.0/1,1,1/
+
+        * give the points defined by the rz command the name, rayend
+
+        * assign material colors to the points
+
+        * identify points that are on material interfaces
+
+        * identify constrained points
+
+        filter/1,0,0/
+
+        setpts
+
+        * connect the points into a Delaunay tetrahedral mesh
+
+        * do not connect across material interfaces -
+
+        * add points if necessary to resolve material interfaces
+
+        search
+
+        * remove middle region
+
+        rmregion/middle
+
+        rmpoint/compress
+
+        * grid hex part
+
+        cmo/create/hexgrid///hex
+
+        * unit cube
+
+        surface/cube/reflect/box/0.0,0.0,0.0/1.0,1.0,1.0/
+
+        * define z=.4,.6 plane as interface
+
+        surface/cutpl1/intrface/plane/0.,0.,.4/1.,0.,.4/1.,1.,.4/
+
+        surface/cutpl2/intrface/plane/0.,0.,.6/1.,0.,.6/1.,1.,.6/
+
+        *define geometric regions
+
+        region/top/ le cube and ge cutpl2 /
+
+        region/bottom/ le cube and le cutpl1 /
+
+        region/middle/ le cube and gt cutpl1 and lt cutpl2 /
+
+        * define material regions
+
+        mregion/top/ le cube and gt cutpl2 /
+
+        mregion/bottom/ le cube and lt cutpl1 /
+
+        mregion/middle/ le cube and gt cutpl1 and lt cutpl2 /
+
+        rz/xyz/5,5,3/0.,0.,.4/1.,1.,.6/1,1,1/
+
+        rzbrick/xyz/5,5,3/1,0,0/connect/
+
+        * add meshes
+
+        addmesh/glue/hybrid/3dmesh/hexgrid/
+
+        * unit cube
+
+        surface/cube/reflect/box/0.0,0.0,0.0/1.0,1.0,1.0/
+
+        * define z=.4,.6 plane as interface
+
+        surface/cutpl1/intrface/plane/0.,0.,.4/1.,0.,.4/1.,1.,.4/
+
+        surface/cutpl2/intrface/plane/0.,0.,.6/1.,0.,.6/1.,1.,.6/
+
+        *define geometric regions
+
+        region/top/ le cube and ge cutpl2 /
+
+        region/bottom/ le cube and le cutpl1 /
+
+        region/middle/ le cube and gt cutpl1 and lt cutpl2 /
+
+        * define material regions
+
+        mregion/top/ le cube and gt cutpl2 /
+
+        mregion/bottom/ le cube and lt cutpl1 /
+
+        mregion/middle/ le cube and gt cutpl1 and lt cutpl2 /
+
+        * set element (tetrahedral) type
+
+        filter/1,0,0/
+
+        geniee
+
+        zq/imt/1,0,0/0/
+
+        zq/itp/1,0,0/0/
+
+        setpts
+
+        settets/geometry
+
+        * dump mesh to some output form
+
+        dump/gmv/gmv.hybrid/hybrid
+
+        * terminate processing
+
+        finish
+
+
+
+[Return to LaGriT Home Page](index.md)
+
+