299 lines
8.7 KiB
Markdown
299 lines
8.7 KiB
Markdown
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---
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title: 'LaGriT Release Notes'
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---
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# LaGriT V1.0.1 - V1.0.2 Release Notes 1999 - 2000
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This text is converted from old pdf files and may have translation errors.
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See original pdf for clarification.
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<a href="/assets/images/release_notes8.pdf" download> LaGriT V1.0.2 January 2000 </a> PDF Version
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<a href="/assets/images/release_notes7.pdf" download> LaGriT V1.0.1 November 1999 </a> PDF Version
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## New Commands
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intersect_element
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intersect two mesh objects and create an element based attribute
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(xsect_cm) that holds the number of times the sink element was
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intersected by a source element
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```
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intersect_elements/sink_mo/source_mo/[attribute_name]
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```
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lower_d
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extract lower dimensional meshes from the current mesh object,
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create data structure for the lower dimension objects that parallel
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the top d default structure: [d1_nnodes, d1_e|ements, d1_itet,
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d1_jtet, di_itetoff, d1_jtetoff, d1_itetc|r, d1_itettyp] [d2_nnodes, ..... ]
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rzv
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distribute nodes as linear combinations of 3 supplied vectors.
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rzvlgeom/n1,n2,n3/v11,v12,v13/v21,v22,v23/v31,v32,v33
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geom can be xyz, rtp or rtz. n1,n2,n3 specify the max number
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applied to each vector. The v‘s are the 3 basis vectors.
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rzamr
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use octree refinement to a specified level on a existing hex mesh
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to distribute nodes within a region- intended a a node distribution
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algorithm only - no hex information is preserved.
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```
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rzamr/region_name/number_of_levels
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```
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createpts
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wrapper for all the ‘rz‘ type commands:
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```
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createpts/xyz|rtz|rtp|/n1,n2,n3/x1,y1,z1/x2,y2,22/[ix,iy,iz/]/ [irx,iry,irz/rx,ry,rz]
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createpts/sphere/1|2|8|diamond /nr,npt,xirad,xorad /xcen,ycen,zcen/iz/irat,rz/
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createpts/brick/xyz|rtz|rtplni,nj,nk/xmin,ymin,zmin/ xmax,ymax,zmax/iiz,ijz,ikz/[iirat,ijrat,ikrat/xrz,yrz,zrz/isym,jsym,ksym
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createpts/brick/xyz|rtz|rtp/ni,nj,nk/pstatus,get,name/connect/
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createpts/amr/region_name/number_of_levels
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createpts/random/ xyz|rtz|rtp /spacing/x1,y1,z1/x2,y2,z2/ [xcen.ycen,zcen/ edgedist/ ranseed1,ranseed2]
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createpts/vector/ xyz|rtz|rtp/n1,n2,n3 /V11,V12,V13/V21,V22,V23/V31,V32,V33
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```
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## Command Enhancements
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read/gmvfreeformat
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read in an ascii gmv file that is to be read with read (unit,*) statements.
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boundary
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add option to establish or to reset icr, icontab relationship for a set
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of surfaces. This is normally done by the setpts command, but if
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surfaces are defined after setpts, the surface command will cause
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an entry in the icontab table for the nodes on the surface, but no
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entry will exist for intersections of surfaces.
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```
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boundary/dirichlet/icr//surface list
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e.g. boundary/diriclet/icr//top left front will identify the nodes
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on the intersection of the surfaces top left and front, and will set
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the icr value of these nodes to point into the correct icontab entry.
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```
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quality
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add pcc option which will identify negative coupling coefficients
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and create an element based attribute to store the value (1 means
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okay, anything less than 1 is a negative coupling)
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```
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quality/pcc
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```
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boundary_components
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boundary_components Now prints out number of connected boundary components and a representative vertex from
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each component.
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rmpoint/sparse
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For expert users only. Requires reconnection when done.
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## Bug fixes
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06/10/99 pntlimc fix missing argument in call to writloga - return empty set if error
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06/13/99 refine_face_add, cer_chain,cel_chain fix incorrect icr and itp values assigned using refine/addpts to triangular 2d mesh
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16/16/99 copypts remove extra comma from write statement
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06/1 7/ 99 readavs read pyramid data correctly
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06/23/99 control_connnaud_lg fix errors in nesting of infiles and in invoking infile from dotask
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16/25/99 get_elements_on_edge update len,len1 1f need to increment memory
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17/02/99 readgmv_ascii check for end of file -- skip blank lines
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07/07/99 regupts this is really a compiler bug - change indirect indexing so optimizer does not generate bad code
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17/13/99 control_command_lg skip comments When entered as interactive or as dotasks
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07/23/99 refine_face_add make arguments in call match those in subroutine statement
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07/23/99 readavs declare pointers — use pointer_arrays.h for integer*8/integer*4 distinction
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08/ 04/99 initlagrit initialize pi
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18/05/99 cmo_readdump_cmo allow for zero length attributes
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08/05/99 read_lagritgeom fix memory problem
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08/10/99 multiimaterial calculate length of matlst correctly
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18/11/99 refine_interface_elements_lg use nnodes for length of iseedtet
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08/11/99 regnpts use max not min for length of name comparisons
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08/1 8/99 readdump use ierror_return
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08/27/99 rmpoint get correct values in isetwd
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18/30/99 multi_material2d_lg refresh pointers
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08/3 0/99 multi_magterial refresh pointers
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08/31/99 control_command_lg check for an empty loop
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18/31/99 matbld3d_stor, anothermatbld3d_wrapper unformatted IO bugs
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18/31/99 writedump restore dump_recolor command
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09/01/99 connect2d_lg remove references to if4
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09/01/99 initlagrit remove test on uninitialized variable
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19/(11/99 read_lagrit_geom use lengths with concatenation operator
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09/01/99 refine_face_add initialize isnl for all new nodes
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09/01/99 surfset change dotaskgen to dotask
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09/01/99 make bigtri get mbndry from mesh object
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19/02/99 pset fix test on mregion names
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09/03/99 surface restore tabular surface implementation
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09/07/99 recon2 allow for nodes on external boundaries with no icr values
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19/17/99 cer_chain fix typo (mpary should have been mpary1) effecting pset type refinements
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10/03/99 intradd use nefcmo which is required for hybrid grids
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10/14/99 region, mregion Check for size of stbout array
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10/19/99 rzbrick3 check value of nwds before setting isym, jsym and ksym.
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12/13/99 rzbrick3 check nwds before setting end point and ratio flags
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## Code Improvements
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boundary new option (see above)
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filter cleaned—up and added comments
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pset use Information from call
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get_materials_on_edge_lg returns materials around edge
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cmo_dump_cmo skip cmo attributes with 'L’ in ioflag field when writing lagrit dump files.
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matbld0tri, matbld3d assigned idebug, reduced screen output, removed print *
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read_trilayers postproccss by column option, preserve buffers, create buffers at interfaces, read gmv or avs
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temptam new subroutine beads_ona_ring to distribute vertically for read_trilayers
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rand_lg new random number routine (fancy)
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ran2_lg renamed random number routine (simple)
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temp,edit clean up unused code
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neighbor_recolor improved algorithm
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cmo_interpolate accept 'constant' as interpolation type - implement linear,log, asinh for integer attributes
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recon2 test for existence of icontab
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readgmv_binary allow line type elements to be read
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connect release imt1 when no longer needed
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cmo_modatt_cmo look for special name icr,imt,itp, isn and change icr1,imt1,itp1,isn1
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zq get rid unused options
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rz change i6 formats to i10
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cel_chain check for infinite isnl chain loops
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dumpavs check if no nodes, elements then return without crashing
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delaunay replace expensive inner loop with more efficient code
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connect settets, check if mbndry is big enough
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checkmbndry
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inv3x3, inv2x2, inv_schmidt_hilbert_lg.f better solution to MX=Y for 3X3 and 2X3 cases
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volume_qud.f contains 2 algorithms for calculating volume of a quad
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volume_element.f call volume_qud(elcment) for old method using centroid, call volume_qud(element)_alt_lg for method equalizing 4 contributing triangle areas
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12/03/99 lower_d_lg, cmo_copyatt_mpno_lg copy all user attributes from one mesh object to another — used by lower_d routines
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12/13/99 pset a11ow either compare/value or va1ue/compare in syntax of command.
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12/14/99 readdump, readgmv_ascii new option read/gmvfreeformat uses read(unit,*) statements.
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## Code Changes
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refine refine..edge for 2d now works like refine..face (in 2d edges are facets and nodes are edges - but people don't think that way hence the change)
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rz initiahze itp,imt,icr to zero for new nodes
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blockcom, local_element.h set up relationships for edges to faces for all element types
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readgmv ascii call geniee at end —— skip blank lines, test for eof'
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readgmvibinary call geniee at end
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popcones_lg,massage issue rmpoint/compress from within loop (needed for big problems)
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lineline, xsectelementscmo, calc_rdist, lineseglineseg, xsectelm, insideielement, linesegtri, kdtreeselect, tritri new subroutines
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dump_material_list replace * formats to speed up code
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hpsortip, hpsorti, matbldl replace all calls to ssort with calls to appropriate hpsort routine
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agd3d don’t print ‘curve neighbor' warning to standard out.
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popcomponents new topo change routine
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rmppoint zero out imt,itp,isn,icr for removed nodes in rmpoint/compress option
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cmo_interpolate handle ‘and‘ and isetwd as special case
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delaunay, refine_edge_add, findface, matbld0tri, matbld2d_stor replace calls to ssort with hpsort
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agd, sgd use inscribed radius not aspect ratio
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mergepts_simplex use epsilonv not epsilonl for volume tests
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