230 lines
6.3 KiB
Markdown
230 lines
6.3 KiB
Markdown
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---
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title: 'LaGriT Release Notes'
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---
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# LaGriT V1.1.0 Release Notes Notes 2002
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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_notes11.pdf" download> LaGriT V1.1.0 Nov 2002 </a> PDF Release YMP QA/QA STN: 10212-1.1-00
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<a href="/assets/images/release_notes10.pdf" download> LaGriT V1.0.4 2002 </a> PDF
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A summary of the major changes found in this release are listed below. A complete list of
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changes is included at the end of this document. Refer to the user‘s manual for a complete
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description of the new, enhanced and revised commands.
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## New Commands
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create_graph
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Create a node or dual (element) adjacency graph. If node option is selected, the
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graph of node adjacency is created, if dual option is selected, the graph of
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element adjacency (dual graph) is created —— see manual for details
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```
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create_graph/metis/node|dual/ v1,v2/ create|delete
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```
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metis
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Interface METIS graph partition and reorder package with LAGriT.
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http://www-users.cs.umn.edu/~karypis/metis
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For details of METIS algorithms see:
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The standard libraries, Iiblagrit.a and Iibutil.a do not contain METIS. In order to
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utilize the METIS functions, one must download the METIS package, build the
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METIS libraries on your local system and link them with the LAGriT libraries.
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```
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For example: f90 -o lagrit driver.f liblagrit.a libmetis.a libutil.a
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```
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stack
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stack\fill stack\reorder read tri or quad surfaces combine into one cmo and fill with prisms 0r hexes
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mode
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mode/discrete/surface_cmo/tolldamage - all refinement smoothing operations on this surface must result in nodes that are members of
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surface_cmo
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mode/recon/[delaunaylgeometryladaption] choose reconnection mode - delaunay flip to restore delaunay, geometry will flip to
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create 'plump' elements, adaption will flip to reduce solution error
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mode/adaption_field/field_name/scale_factor/4d_refine_length/4d_merge_length/4d_damage/percent_to_refine/ error_cut_off_refine
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if this mode is on adaptive massage will be in effect
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sethessian
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sethessian/user - make the 2nd derivative matrix from the routine supplied by the user
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sethessian/erradpt make the 2nd derivative matrix from the user supplied edge errors
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sethessian/field_name/[algorithm choice] make the 2nd derivative matrix base on the supplied field and algorithm (default is the mega
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algorithm)
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loop
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loops may be max 10 deep, max 250 tokens in the lforeach/ mode.
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Implementation involves a define and a dotask issued for each loop command
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```
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loop/do variable lp_start lp_stop lp_stride loop_end/
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loop/foreach variable item1 item2 itemN loop_end/
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Examples:
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loop foreach MO cmo1 cmo2 cmo3 loop_end &
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cmo / delete / MO
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loop do NX 2 31 loopiend &
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loop do NY 4 51 loopiend &
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loop do NZ 6 7 1 |oop_end &
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loop foreach X0 0 5.5 10.2345678 |oop_end &
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createpts/xyz/NX,NY,NZ/XO O. O. / 100. 100. 100.
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loop foreach FILE file1 file2 file3 loop_end &
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loop foreach CMO cmo1 cmo2 cmo3 loop_end &
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infile lagrit_control_file
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```
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## Enhanced Commands
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refine
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refine allow eltset,get,eltsetname wherever pset get psetname was previously allowed.
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math
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allow more operand types
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add math/sum and math/integrate
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math/abs is absolute value option
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createpts
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createpts/median creates new mesh object attributes called xmed,ymed and zmed of length nelements and rank scalar. They
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contain the x,y,z coordinates of the median point of each element in the mesh. All element types are supported
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sort
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reorder
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sort, reorder now sort and reorder elements in addition to nodes
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## Bug Fixes
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pset_nosb fix problem with geom/xyz
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writedump fix problem with delatt/keepatt and dmllp/zone
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read_geometries fix problem if number of surfaces is zero
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rotatept fix typo
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surfpts fix problems with ‘surface‘ option
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cmo_delatt fix error in retrieving cmo name
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mega3d skip calls involving hessian for smooth/position/geometry option
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closed_surfaces fix undefined variable
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dump_pt_by_value, put mega3d_nosb, getiedge, polyfun_nosb.f corrected the prob1em involving the
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nondistinction of differently colored but coincident edges
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hextotet_hybrid add error checking, avoid cmo_interpolate bug
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refine_tet_add get correct cmo name
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intersect_elements fix incorrect declaration
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lower_d_lg fixed test for increasing attribute space
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refine_nosb fix errors in faceedge and tetedge options
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cmo_addatt_nosb fix type dec1arations
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mergepts_simplex use epsilon for inversion tests
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rz fix line mode
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dump_geometries_lg,geometry_release_lg,read_geometries_lg_nosb allow for mesh object with no geometry
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refine_edge_2d reset ipointj at end
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control_command_lg reuse space if names are reused in define commands
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## Code Changes
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eset_nosb Fixed multiple calls to eltset so that it behaves like pset(i.e. contents ofa named e1tset reset at each call)
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cmo_set_mesh_type add error checking
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cmo_addatt allow permanent or temporary persistence
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cmo_copyatt allow element attributes to be copied to nodes that are element vertices
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cmo_set_mesh_type changed subroutine name from cmo_mesh_type
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cmo_status added 'brief‘ option
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cmoiinlerpolate add error checking
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unpackpc simplify the logic
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freemove pass in info that determines move
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gctiedge distinguish between coincident but different matcria1 edges
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intrp_gtg add tiemat option
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isosurface set edges per element
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sethessian, dampiptihyivalue, eva1uateisobolevnorm,hess3d ,interpo1ate7hessi 5111- use sethessian
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celichain, refineispawnilg, refineicouplingcoeLpopconeng, (:51, cer—chain, eel, popcomponenlsilg use
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return flag from refineiedgeiadditet to terminate iterations if refine does nothing
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flip2to3b_nosb, flip2to3, hmemadjb_nosb remove warning message
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connect_nosb spe11ing error
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math_sum, math_integrate new options
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rotatlenln_nosb, rotatept_nosb rotate only coordinates — skip other attributes
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table_element clean -up
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distance_to_sheet, testdamage, edgefun_lt, point_to_plane freemove_nosb, mega3d_inner_loop,
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mega3d_nosb, massage, refine_edge_add, sgd, cee_chain, polyfun_nosb, adg3d, mode_lg, msgtty_nosb
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changes for adaptive massage and for discrete mode
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perturb_lg fix calling sequence
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recon2_nosb sb fix debug 0utput
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quadxyz,quadxy, read_sheetij format changes
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extract_surfmesh better error checking
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partition,refine_edge_3d, addmesh_amr, voronoi_stor, grid_to_orid, addmesh_overlap, addmesh_merge pull routines out of temp.f
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pset better setting of epsilons for geom option
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