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JuliaFEM.jl/src/abaqus_reader.jl
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2015-11-28 13:02:56 +02:00

107 lines
3.0 KiB
Julia

# This file is a part of JuliaFEM.
# License is MIT: see https://github.com/JuliaFEM/JuliaFEM.jl/blob/master/LICENSE.md
global ABQ_ELTYPE_HAS_NODES = Dict(
:C3D10 => 10,
:C3D4 => 4,
)
function parse_nodes(model, header, data)
nodes = create_or_get(model, "nodes")
for line in split(data, "\n")
m = matchall(r"[-0-9.]+", line)
id = parse(Int, m[1])
coords = float(m[2:end])
nodes[id] = coords
end
end
#function parse_elements(model, header, data)
# info("Parsing elements")
# eldims = Dict(
# "C3D10" => 10,
# "C3D4" => 4)
# eltype = header["options"]["TYPE"]
# if !(eltype in keys(eldims))
# throw("Element $eltype dimension information missing")
# end
# eldim = eldims[eltype]
# test_match = matchall(r"[0-9]+", "234, 242")
# m = matchall(r"[0-9]+", data)
# m = map((s) -> parse(Int, s), m)
# elements = create_or_get(model, "elements")
# m = reshape(m, eldim+1, round(Int, length(m)/(eldim+1)))
# nel = size(m)[2]
# info("$nel elements found")
# for i=1:nel
# elements[m[1,i]] = m[2:end,i]
# end
# if "ELSET" in keys(header["options"])
# elsets = create_or_get(model, "elsets")
# elset_name = header["options"]["ELSET"]
# info("Creating ELSET $elset_name")
# elsets[elset_name] = Int64[]
# for i=1:nel
# push!(elsets[elset_name], m[1,i])
# end
# end
#end
#
#function parse_nodeset(model, header, data)
# nset_name = header["options"]["NSET"]
# info("Creating node set $nset_name")
# data = ASCIIString[]
# m = matchall(r"[0-9]+", data)
# node_ids = map((s) -> parse(Int, s), m)
# nsets = create_or_get(model, "nsets")
# nsets[nset_name] = Int64[]
# for j in node_ids
# push!(nsets[nset_name], j)
# end
#end
parse_section = Dict(:NODE => parse_nodes) # ,
#:ELEMENT => parse_elements,
#:NSET => parse_nodeset,
#:ELSET => parse_elementset)
"""
Find lines, which contain keywords, for example "*NODE"
"""
function find_keywords(lines)
indexes = Integer[]
for (idx, line) in enumerate(lines)
if startswith(line, "*") && !startswith(line, "**")
push!(indexes, idx)
end
end
push!(indexes, length(lines))
indexes
end
function parse_abaqus(fid::IOStream)
# model = Dict()
lines = readlines(fid)
info("Registered handlers: $(keys(parse_section))")
keyword_indexes = find_keywords(lines)
idx_start = keyword_indexes[1]
keyword_sym::Symbol = :none
for idx_end in keyword_indexes[2:end]
keyword_line = lines[idx_start]
keyword = match(r"\s*(\w+)", keyword_line).match
keyword_sym = :($(uppercase(keyword)))
try
parser = parse_section(keyword_sym)
catch
warn("Keyword not implemented: ", keyword_sym)
idx_start = idx_end
continue
end
idx_start = idx_end
# parser(model, lines, idx_start, idx_end)
end
# return model
end