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