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FEM: calculix writer, continue improve floating point writing for constraints

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This commit is contained in:
Bernd Hahnebach
2021-07-14 07:48:54 +02:00
parent 3777067694
commit bbbb8760ab
19 changed files with 289 additions and 267 deletions
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1
src/Mod/Fem/femsolver/calculix/write_constraint_initialtemperature.py
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@@ -46,7 +46,6 @@ def write_constraint(f, femobj, inittemp_obj, ccxwriter):
# floats read from ccx should use {:.13G}, see comment in writer module
f.write("{},{:.13G}\n".format(ccxwriter.ccx_nall, inittemp_obj.initialTemperature))

3
src/Mod/Fem/femsolver/calculix/write_constraint_planerotation.py
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@@ -97,5 +97,8 @@ def write_meshdata_constraint(f, femobj, fric_obj, ccxwriter):
def write_constraint(f, femobj, fric_obj, ccxwriter):
# floats read from ccx should use {:.13G}, see comment in writer module
f.write("*MPC\n")
f.write("PLANE,{}\n".format(fric_obj.Name))

11
src/Mod/Fem/femsolver/calculix/write_constraint_pressure.py
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@@ -43,7 +43,12 @@ def get_after_write_meshdata_constraint():
def write_meshdata_constraint(f, femobj, prs_obj, ccxwriter):
# floats read from ccx should use {:.13G}, see comment in writer module
rev = -1 if prs_obj.Reversed else 1
press_rev = rev * prs_obj.Pressure
f.write("*DLOAD\n")
for ref_shape in femobj["PressureFaces"]:
# the loop is needed for compatibility reason
@@ -52,12 +57,12 @@ def write_meshdata_constraint(f, femobj, prs_obj, ccxwriter):
f.write("** " + ref_shape[0] + "\n")
for face, fno in ref_shape[1]:
if fno > 0: # solid mesh face
f.write("{},P{},{}\n".format(face, fno, rev * prs_obj.Pressure))
f.write("{},P{},{:.13G}\n".format(face, fno, press_rev))
# on shell mesh face: fno == 0
# normal of element face == face normal
elif fno == 0:
f.write("{},P,{}\n".format(face, rev * prs_obj.Pressure))
f.write("{},P,{:.13G}\n".format(face, press_rev))
# on shell mesh face: fno == -1
# normal of element face opposite direction face normal
elif fno == -1:
f.write("{},P,{}\n".format(face, -1 * rev * prs_obj.Pressure))
f.write("{},P,{:.13G}\n".format(face, -1 * press_rev))

3
src/Mod/Fem/femsolver/calculix/write_constraint_sectionprint.py
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@@ -61,6 +61,9 @@ def write_meshdata_constraint(f, femobj, sectionprint_obj, ccxwriter):
def write_constraint(f, femobj, sectionprint_obj, ccxwriter):
# floats read from ccx should use {:.13G}, see comment in writer module
f.write(
"*SECTION PRINT, SURFACE=SECTIONFACE{}, NAME=SECTIONPRINT{}\n"
.format(sectionprint_obj.Name, sectionprint_obj.Name)

4
src/Mod/Fem/femsolver/calculix/write_constraint_selfweight.py
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@@ -44,10 +44,12 @@ def get_after_write_constraint():
def write_constraint(f, femobj, selwei_obj, ccxwriter):
# floats read from ccx should use {:.13G}, see comment in writer module
f.write("*DLOAD\n")
f.write(
# elset, GRAV, magnitude, direction x, dir y ,dir z
"{},GRAV,{},{},{},{}\n"
"{},GRAV,{:.13G},{:.13G},{:.13G},{:.13G}\n"
.format(
ccxwriter.ccx_eall,
ccxwriter.gravity, # actual magnitude of gravity vector

7
src/Mod/Fem/femsolver/calculix/write_constraint_temperature.py
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@@ -61,14 +61,17 @@ def get_after_write_constraint():
def write_constraint(f, femobj, temp_obj, ccxwriter):
# floats read from ccx should use {:.13G}, see comment in writer module
NumberOfNodes = len(femobj["Nodes"])
if temp_obj.ConstraintType == "Temperature":
f.write("*BOUNDARY\n")
f.write("{},11,11,{}\n".format(temp_obj.Name, temp_obj.Temperature))
f.write("{},11,11,{:.13G}\n".format(temp_obj.Name, temp_obj.Temperature))
f.write("\n")
elif temp_obj.ConstraintType == "CFlux":
f.write("*CFLUX\n")
f.write("{},11,{}\n".format(
f.write("{},11,{:.13G}\n".format(
temp_obj.Name,
temp_obj.CFlux * 0.001 / NumberOfNodes
))

7
src/Mod/Fem/femsolver/calculix/write_constraint_tie.py
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@@ -66,9 +66,12 @@ def write_meshdata_constraint(f, femobj, tie_obj, ccxwriter):
def write_constraint(f, femobj, tie_obj, ccxwriter):
tolerance = str(tie_obj.Tolerance.getValueAs("mm")).rstrip()
# floats read from ccx should use {:.13G}, see comment in writer module
tolerance = tie_obj.Tolerance.getValueAs("mm").Value
f.write(
"*TIE, POSITION TOLERANCE={}, ADJUST=NO, NAME=TIE{}\n"
"*TIE, POSITION TOLERANCE={:.13G}, ADJUST=NO, NAME=TIE{}\n"
.format(tolerance, tie_obj.Name)
)
ind_surf = "TIE_IND{}".format(tie_obj.Name)

5
src/Mod/Fem/femsolver/calculix/write_constraint_transform.py
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@@ -67,6 +67,9 @@ def write_meshdata_constraint(f, femobj, trans_obj, ccxwriter):
def write_constraint(f, femobj, trans_obj, ccxwriter):
# floats read from ccx should use {:.13G}, see comment in writer module
trans_name = ""
trans_type = ""
if trans_obj.TransformType == "Rectangular":
@@ -82,7 +85,7 @@ def write_constraint(f, femobj, trans_obj, ccxwriter):
trans_obj.Name,
trans_type,
))
f.write("{:f},{:f},{:f},{:f},{:f},{:f}\n".format(
f.write("{:.13G},{:.13G},{:.13G},{:.13G},{:.13G},{:.13G}\n".format(
coords[0],
coords[1],
coords[2],

5
src/Mod/Fem/femsolver/calculix/writer.py
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@@ -92,7 +92,7 @@ units_information = """*********************************************************
"""
# TODO
# TODO
# {0:.13G} or {:.13G} should be used on all places writing floating points to ccx
# All floating points fields read from ccx are F20.0 FORTRAN input fields.
# see in dload.f in ccx's source
@@ -208,6 +208,7 @@ class FemInputWriterCcx(writerbase.FemInputWriter):
setstime = round((time_getsets - time_start), 3)
writetime = round((time.process_time() - time_getsets), 3)
all_time = round((setstime + writetime), 3)
FreeCAD.Console.PrintMessage(
"Getting mesh sets or groups time: {} seconds \n".format(setstime)
)
@@ -216,7 +217,7 @@ class FemInputWriterCcx(writerbase.FemInputWriter):
)
FreeCAD.Console.PrintMessage(
"Overall time CalculiX input file: {} seconds \n\n"
.format(setstime + writetime)
.format(all_time)
)
# return