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Operator RECU_FONCTION
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:
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Organization (S): EDF-R & D/AMA
Handbook of Utilization
U4.3- booklet: Function
Document: U4.32.03
Operator RECU_FONCTION
1 Goal
To extract in the form of a function the evolution from a size according to another.
If the extraction is carried out starting from a structure of data result, or a field of size
cham_gd, or of a resu_gene, the produced function corresponds to the temporal evolution of one
component in a node or a point of Gauss of the grid.
Of a structure of data tran_gene, one can also extract the evolution from two parameters
in a node of shock.
From a table, one can extract the evolution from 2 parameters in the columns of the table or a function
contained in a box of the table.
From a structure of data melasflu one can extract, the evolution of modal parameters in function
rate of flow of the fluid.
Product a structure of data of the function type.
At output of the command, the function is reordered by increasing X-coordinates.
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2 Syntax
Fr [function]
= RECU_FONCTION
(
/
RESULTAT
=
resu,
/
[dyna_harmo]
/
[evol_elas]
/
[dyna_trans]
/
[evol_ther]
/
[evol_noli]
# See extraction and localization of the field
/
CHAM_GD
=
ch_gd,
/
[cham_no_DEPL_R]
/
[cham_no_PRES_R]
/
[cham_no_TEMP_R]
/
[cham_elem_SIEF_R]
/
[cham_elem_VARI_R]
/
[cham_elem_EPSI_R]
/
[cham_elem_FLUX_R]
/
[cham_elem_PRES_R]
# See operands of localization of the field
/
RESU_GENE
=
obstruct,
/
[tran_gene]
# Temporal Evolution of a physical component
/NOM_CHAM = nomsymb,
[K16]
NOM_CMP
=
cmp,
[K]
/
NOEUD
=
No,
[node]
/
GROUP_NO
=
grno,
[gr_noeud]
/
MULT_APPUI = “YES”,
/
|
CORR_STAT = “YES”,
|
ACCE_MONO_APPUI =
frap, [function]
/
NOEUD_CHOC =
nd_choc,
[node]
/
GROUP_NO_CHOC
=
no_choc,
[gr_noeud]
PARA_X
=
nparax,
[KN]
PARA_Y
=
nparay,
[KN]
INTITULE
=
name,
[KN]
LIST_PARA
=
will li_para,
[listr8]
SOUS_STRUC
= nom_str,
[KN]
/
RESU_GENE
=
obstruct,
/
[harm_gene]
# Frequential Evolution of a generalized component or
physics
/NOM_PARA_RESU = parameter, [K8]
/NOM_CHAM = nomsymb,
[K16]
/NUME_CMP_GENE = numcmp, [K8]
/
NOM_CMP
=
cmp,
[K]
/NOEUD = No,
[node]
/
GROUP_NO
=
grno,
[gr_noeud]
/
RESU_GENE
=
obstruct,
/
[mode_gene]
# Frequential Evolution of a generalized component or
physics
/NOM_PARA_RESU = parameter, [K8]
/NOM_CHAM = nomsymb,
[K16]
/NUME_CMP_GENE = numcmp, [K8]
/
NOM_CMP
=
cmp,
[K]
/NOEUD = No,
[node]
/
GROUP_NO
=
grno,
[gr_noeud]
/
SQUELETTE
=
squ,
[skeleton]
/
SOUS_STRUC =
sstru,
[K]
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/
TABLE
= tabl,
/
[table]
/
PARA_X = nparax,
[KN]
PARA_Y = nparay,
[KN]
/NOM_PARA_TABL
= “FONCTION”,
TYPE_RESU =
/
“FUNCTION”, [DEFECT]
/
“FONCTION_C',
FILTRE = _F (
NOM_PARA =
…
[KN]
CRIT_COMP =/“EQ”,
[DEFAUT]
/
“LT”,
/
“WP”,
/
“”,
/
“IT”,
/
“GE”,
/
“VIDE”,
/
“NON_VIDE”,
/
“MAXI”,
/
“ABS_MAXI”,
/
“MINI”,
/
“ABS_MINI”,
/VALE = val_r,
[R]
/
VALE_I = val_n,
[I]
/
VALE_C = val_c,
[C]
/
VALE_K = val_k,
[KN]
|
CRITERION =/“RELATIVE”, [DEFECT]
/
“ABSOLU”,
|
PRECISION =/prec,
/
0.001,
[DEFAUT]
),
/
BASE_ELAS_FLUI
=
flui,
[melasflu]
/TOUT_ORDRE = “YES”,
[DEFAUT]
/
NUME_ORDRE
=
is,
[I]
NUME_MODE = im,
[I]
PARA_X = “VITE_FLU”,
[KN]
PARA_Y =/“FREQ”,
[KN]
/
“AMOR”,
/
OBSTACLE
=
obst,
[obstacle]
REPERE
=
/
“POLAR”, [DEFECT]
/
“TOTAL”, [kN]
# Operands of extraction of the field or the parameter
/NOM_CHAM = nomsymb,
[K16]
/
NOM_PARA_RESU
=
parameter,
/TOUT_ORDRE = “YES”,
[DEFAUT]
/
TOUT_INST
=
“OUI”,
/
NUME_ORDRE
=
l_nume,
[l_I]
/
LIST_ORDRE
=
l_ord,
[listis]
//INST = l_inst,
[l_R]
/
LIST_INST
=
li_inst,
[listr8]
/
FREQ
=
l_freq
,
[l_R]
/
LIST_FREQ
=
li_freq,
[listr8]
| PRECISION =/prec,
[R]
/
1.0D-3,
[DEFAUT]
|
CRITERION =/“RELATIVE”, [DEFECT]
/
“ABSOLU”,
INTERP_NUME =/“NOT”,
[DEFAUT]
/
“LIN”,
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# Operands of localization of the field
/NOEUD = No,
[node]
/
GROUP_NO
=
grno,
[gr_noeud]
/
/
MAILLE
=
my,
[mesh]
/
GROUP_MA
=
grma, [gr_maille]
/NOEUD = No, [node]
/
GROUP_NO =
grno, [gr_noeud]
/
POINT
=
nupoint, [I]
SOUS_POINT =
nusp, [I]
NOM_CMP
=
cmp,
[K]
# Overloads attributes of the function created
NOM_PARA
=
nom_pa,
[KN]
NOM_RESU
=
nom_res,
[KN]
Interpol
=/
“NON”,
[KN]
/ | “LIN”,
| “LOG”,
PROL_DROITE
=
/
“CONSTANT”,
/
“LINEAIRE”,
/
“EXCLU”,
PROL_GAUCHE
=
/
“CONSTANT”,
/
“LINEAIRE”,
/
“EXCLU”,
TITER
= T,
[l_K]
INFO
=
/
1,
[DEFAUT]
/
2,
)
If RESULTAT is one [dyna_harmo] then Fr is [fonction_c].
If TYPE_RESU is “FONCTION_C' then Fr is [fonction_c].
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3 Operands
3.1 Operand
RESULTAT
/RESULTAT = resu
Name of the concept of the result type to which the extraction relates.
For the operands allowing to extract the field, to refer to [§3.7].
For the operands allowing to locate the field, to refer to [§3.8].
3.2 Operand
CHAM_GD
/CHAM_GD = ch_gd
Name of the concept of the cham_gd type produces by RECU_CHAMP [U4.71.01] or
CALC_CHAM_ELEM [U4.81.03] on which carries the extraction.
For the operands allowing to locate the field, to refer to [§3.7].
3.3 Operand
RESU_GENE
3.3.1 Temporal evolution of a physical, standard component tran_gene
RESU_GENE = embarrassment
Name of the concept of the resu_gene type produces by DYNA_TRAN_MODAL [U4.53.21] on which
carry the extraction.
The recovered function is expressed with the physical variables and not with the variables
generalized.
3.3.1.1 Operands
MULT_APPUI and ACCE_MONO_APPUI
MULT_APPUI
If this key word is “OUI”, one restores the evolution of the variables in physical space in
dealing with the problem moving absolute in the case of an excitation multi-support. In
contrary case, the restitution in physical space is done by supposing that the problem is
treaty moving relative. This key word is not usable if key word CORR_STAT is
used.
ACCE_MONO_APPUI
In the case of an acceleration mono-support, one must indicate here the acceleration imposed on all
supports in the direction considered in order to calculate the absolute acceleration of the point.
If the key word is not indicated, one obtains relative acceleration in result of
order.
Note:
The name of the concept must be same as that well informed under FONC_MULT of
DYNA_TRAN_MODAL.
3.3.1.2 Operands
CORR_STAT
CORR_STAT
If this key word is “OUI”, the evolution of the variables in physical space is obtained in
taking account of the correction due to the catch in consideration of static modes
(Cf [R4.05.03]). This key word is not usable if key word MULT_APPUI is used.
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3.3.1.3 Information concerning the nodes of shock
/
RESU_GENE = embarrassment
Concept of the tran_gene type containing for the various nodes of shock
:
local displacements, normal and tangential speeds and normal forces of shock
and tangential.
/
NOEUD_CHOC = nd_choc,
GROUP_NO_CHOC
=
no_choc,
Name of the node or the group of nodes (which contains one node) shock where one
recover the function.
This node of shock is defined in command DYNA_TRAN_MODAL [U4.53.21].
PARA_X = nparax
Name of the parameter defining the X-coordinates (argument taken among the list: “INST”, “FN”,
'FT1, “FT2”, “DXLOC”, “DYLOC”, “DZLOC”, “VN”, “VT1”, “VT2”).
PARA_Y = nparay
Name of the parameter defining the ordinates (argument taken among the list: “INST”, “FN”,
'FT1, “FT2”, “DXLOC”, “DYLOC”, “DZLOC”, “VN”, “VT1”, “VT2”).
LIST_PARA = will li_para
List values of the parameter in X-coordinate defining the function.
INTITULE = name
This name defines the connection of shock (this name if it is used, is defined in the command
DYNA_TRAN_MODAL [U4.53.21]).
SOUS_STRUC = nom_str
During a calculation in dynamic under-structuring, name of the substructure which contains it
node of shock (cf orders DEFI_MODELE_GENE [U4.65.02]). In this case the key word
INTITULE must be also indicated.
3.3.2 Frequential evolution of a generalized or physical, standard component
harm_gene/mode_gene
RESU_GENE = embarrassment
Name of the concept of the harm_gene type produces by DYNA_LINE_HARM [U4.53.11] or
mode_gene produces by MODE_ITER_SIMULT [U4.53.03] or MODE_ITER_INV [U4.53.04].
The recovered function is expressed with the physical variables if NOM_CMP is present,
with the generalized variables if NUME_CMP_GENE is present.
NOM_PARA_RESU/NOM_CHAMP
See paragraph 3.7.
NOM_CMP/NODE/GROUP_NO
See paragraph 3.8.
SQUELETTE
Name of the grid skeleton of the total structure on which the result will be restored: to see
operator DEFI_SQUELETTE [U4.24.01].
SOUS_STRUC
See above.
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3.4 Operand
TABLE
One can recover:
· that is to say a function defined starting from two columns of the table,
· that is to say a function whose name is indicated in a box of the table.
/TABLE = tabl
Name of the table result in which one carries out an extraction.
3.4.1 Function defined starting from two columns of the table
3.4.1.1 Operands
PARA_X/PARA_Y
PARA_X = nparax
Name of the column of the table defining the X-coordinates.
PARA_Y = nparay
Name of the column of the table defining the ordinates.
3.4.2 Function whose name is indicated in a box of the table
3.4.2.1 Operand
NOM_PARA_TABL
NOM_PARA_TABL= “FUNCTION”
The presence of this key word indicates that one recovers the function whose name is registered in
a box of the table.
3.4.2.2 Operand
TYPE_RESU
TYPE_RESU =
Type of the function to be recovered: function with actual value (“FONCTION”) or with values
complexes (“FONCTION_C').
3.4.3 Word
key
FILTRE
The operands of extraction are different from those used for the preceding cases. To realize
the extraction, it is necessary to use key word FILTRE and operands NOM_PARA, CRIT_COMP, VALE_X,
CRITERION, PRECISION.
This key word factor makes it possible to filter the information stored in the table. For the use of it
key word to see command IMPR_TABLE [U4.91.03].
To recover a function whose name is indicated in a box of the table, It is necessary to use at least
twice the key word factor FILTRE to select only the useful box.
3.5 Operand
BASE_ELAS_FLUI
One recovers in a structure of data of the melasflu type produced by the operator
CALC_FLUI_STRU [U4.66.02], evolutions of the frequency or damping, for a mode
given, according to various speeds of excitation of the fluid.
/
BASE_ELAS_FLUI = flui
Concept of the melasflu type produces by command CALC_FLUI_STRU.
3.5.1 Operands
NUME_ORDRE/TOUT_ORDRE
/NUME_ORDRE = is,
/
TOUT_ORDRE
=
“OUI”,
The evolution of the frequency or that of damping is given for all speeds
fluid (TOUT_ORDRE) or for some sequence numbers speeds of the fluid
(NUME_ORDRE).
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3.5.2 Operand
NUME_MODE
/NUME_MODE = im
Number of the mode for which the extraction of the frequency or damping in function
speed of the fluid is carried out.
3.5.3 Operands
PARA_X/PARA_Y
PARA_X = “VITE_FLU”
In X-coordinate, the parameter is the speed of excitation of the fluid, of name “VITE_FLU”.
PARA_Y =
/“FREQ”,
/
“AMOR”,
In ordinate, there are the choice between the frequency (name of the parameter: “FREQ”) or
damping (name of parameter “AMOR”).
3.6 Operand
OBSTACLE
One recovers in a structure of data of the obstacle type a function describing the profile of one
obstacle in co-ordinates polar or Cartesian.
A function having by nature of the monotonous X-coordinates, it is more judicious to recover this profile
in a table.
Key word REPERE makes it possible to choose in which frame of reference one recovers the profile.
3.7
Operands of extraction of the field or the parameter
3.7.1 Operand
NOM_CHAM
/
NOM_CHAM = nomsymb
Reference symbol of the field to which the extraction relates.
3.7.2 Operand
NOM_PARA_RESU
/
NOM_PARA_RESU = parameter
Reference symbol of the structural parameter of data which one wants to extract (by
example: ETA_PILOTAGE, MASSE_EFFE_DX, MASSE_GENE…).
See booklets [U5] Structures of data RESULTAT.
The extracted function will then have as a X-coordinate the variable of access (INST, FREQ…) and for
ordinate the value of parameter.
3.7.3 Operands
TOUT_ORDRE/NUME_ORDRE/TOUT_INST/LIST_ORDRE
/TOUT_ORDRE = “YES”
(default value)
This key word indicates that one wants to extract for all the already calculated sequence numbers.
Example: every moment for a result of the evol_ type *.
/
NUME_ORDRE = l_nume
The extraction will be done for the values of sequence number l_nume provided.
/
TOUT_INST = “YES”
This key word indicates that one wants to extract for every moment.
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/
LIST_ORDRE = l_ord
This key word indicates that one wants to extract with the sequence numbers described in the concept
l_ord of the listis type.
3.7.4 Operands
INST/LIST_INST/FREQ/LIST_FREQ
/
INST = l_inst
This key word indicates that one wants to extract at the moments l_inst.
/
LIST_INST = li_inst
This key word indicates that one wants to extract at the moments described in the concept li_inst of
listr8 type.
/
FREQ = l_freq
This key word indicates that one wants to extract at the frequencies l_freq.
/
LIST_FREQ = li_freq
This key word indicates that one wants to extract at the frequencies described in the concept li_freq
of listr8 type.
3.7.5 Operands
PRECISION/CRITERION
PRECISION = prec
This operand makes it possible to indicate that one seeks the value of the field of which the moment or
frequency is in an interval defined by the absolute or relative position:
“inst ± prec” (Cf. CRITERE).
By defect prec = 1.0D-3
CRITERE =
“RELATIF” the interval of search is
[inst (1-prec), inst (1+prec)]
“ABSOLU” the interval of search is
[inst-prec, inst+prec]
3.7.6 Operand
INTERP_NUME
This key word defines the type of interpolation between two sequence numbers. It is valid only in
case where the user defined a list of moments or frequencies. It is possible to prohibit
interpolation “NON” or to admit a linear interpolation “LIN”.
The interpolation cannot be used when one extracts the value from a parameter (key word
NOM_PARA_RESU).
3.8
Operands of localization of the field
3.8.1 Operands
NODE/GROUP_NO
/NOEUD = No
Name of the node to which the extraction relates.
/
GROUP_NO
=
grno
Name of the group of nodes, containing 1 only node, to which the extraction relates.
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3.8.2 Operands
NET/GROUP_MA/NODE/GROUP_NO/NOT
/MAILLE = my
/GROUP_MA = grma
Name of the mesh (my) or name of a group of meshs (grma), containing only one
net, to which the extraction relates. These key words relate to only the cham_elem.
/NOEUD = No
Name of a node of the mesh to which the extraction (case of the cham_elem relates
with the nodes).
/
GROUP_NO
=
grno
Indicate the name of the group of nodes, container only one name of node, on
which carries the extraction (case of the cham_elem to the nodes).
/
POINT
=
nupoint
The entirety nupoint specifies the local number with the element of the point of GAUSS
which one wishes to obtain the value (case of the cham_elem at the points of
GAUSS).
SOUS_POINT = nusp
The entirety nusp specifies the number of the under-point of which one wishes to obtain
value (case of the cham_elem at under-points, used by the elements of
structure: beam, pipes, hulls).
The number of under-point is the number of the layer in an element of
hull, the number of fiber in an element of beam multifibre or them
elements pipes. The classification of the layers or fibers is described in
documentation of the elements using the concept of under-point (cf [R3.07.03],
[R3.07.04], [R3.08.06] and [R3.08.08]).
3.8.3 Operand
NOM_CMP
NOM_CMP = cmp
Name of the component of the size to which the extraction relates.
3.9
Attributes of the concept function created by RECU_FONCTION
3.9.1 Default values
By defect the attributes of the concept function created by command RECU_FONCTION are:
Interpolation: “NON”
Left prolongation: “EXCLU”
Right prolongation: “EXCLU”
NOM_PARA: given in input
NOM_RESU: given in input
3.9.2 Overload attributes
The user can overload the attributes given by defect by using the key words following:
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3.9.2.1 Operand
NOM_PARA
NOM_PARA = para
He indicates the name of the parameter (variable or X-coordinate) of the function. Values
currently authorized for will lpara are:
/
“TEMP”
/
“INST”
/
“EPSI”
/
“X”
/
“Y”
/
“Z”
/
“FREQ”
/
“PULS”
/
“AMOR”
/
“DX”/
“DY”/
“DZ”
/
“DRX”
/
“DRY”
/
“DRZ”
more those specific to the nodes of shock (cf [§3.3.2.2]).
3.9.2.2 Operand
NOM_RESU
NOM_RESU = resu
It indicates the name of the result, the function thus created is a function whose value is of
name lresu (8 characters).
3.9.2.3 Operand
Interpol
Interpol
Type of interpolation of the function enters the values of the parameter of the field of definition.
Behind this key word one awaits a parameter list (two to the maximum) among “NON”,
“FLAX”, “LOG”. If only one value is given the interpolation will be identical for
X-coordinates and ordinates. If two values are given, the first corresponds to
the interpolation of the X-coordinates and the second with the interpolation of the ordinates.
3.9.2.4 Operands
PROL_DROITE/PROL_GAUCHE
PROL_DROITE and PROL_GAUCHE
They define the type of prolongation on the right (on the left) of the field of definition of
variable:
·
“CONSTANT” for a prolongation with the last (or first) value of
function,
·
“LINEAIRE” for a prolongation along the first definite segment
(PROL_GAUCHE) or of the last definite segment (PROL_DROITE),
·
“EXCLU” if the extrapolation of the values apart from the field of definition of
parameter is prohibited.
3.10 Operand
TITER
TITER
Titrate attached to the concept produced by this operator [U4.03.01].
3.11 Operand
INFO
INFO
Specify the options of impression on file MESSAGE.
1
no impression (by defect)
2
impression of the descriptor of the function and the list of the first 10 values of
function in the order ascending of the first 10 parameters
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4 Examples
4.1 Extractions
of
function on the dynamic response of a network of
piping
tran_gen = DYNA_TRAN_MODAL (…)
l_inst = DEFI_LIST_REEL (DEBUT = 0.,
INTERVAL = _F (JUSQU_A = 3., PAS = 0.005))
dyn_tran = REST_BASE_PHYS (RESU_GENE = tran_gen, NOM_CHAM = “DEPL”,
LIST_INST = l_inst, Interpol = “LIN”)
dyn_tran = CALC_ELEM (…,
OPTION = “SIEF_ELGA_DEPL”)
tab_rele = POST_RELEVE_T (ACTION=_F (INTITULE
= “sixx_254”,
CHEMIN = line,
RESULTAT
= dyn_tran,
NOM_CHAM
= “SIEF_ELGA_DEPL”,
INST
=
2.54,
TOUT_CMP
= “OUI”,
OPERATION = “EXTRACTION”))
4.1.1 Evolution of the displacement of component node NO01 “DX” with all them
moments of calculation
f1 = RECU_FONCTION (RESU_GENE = tran_gen, NOM_CHAM = “DEPL”,
NODE = “NO01”, NOM_CMP = “DX”)
4.1.2 Evolution of size “SIXX” on mesh MA01 with node NO01 with all them
moments of calculation
f2 = RECU_FONCTION (RESULTAT= dyn_tran, NOM_CHAM= “SIEF_ELGA_DEPL”,
NET = “MA01”, NODE = “NO01”, NOM_CMP=' SIXX')
4.1.3 Evolution of size “SIXX” along the line of piping at the moment of
calculation 2.54 S
f3 = RECU_FONCTION (TABLE = tab_rele,
PARA_X = “ABSC_CURV”, PARA_Y = “SIXX”)
4.1.4 Evolution of size “SIXX” along the line of piping (X-coordinate
curvilinear higher than 10) at the moment of calculation 2.54 S
f4 = RECU_FONCTION (TABLE = tab_rele,
FILTER = _F (NOM_PARA = “ABSC_CURV”,
CRIT_COMP = “GE”,
VALE = 10. ,),
PARA_X = “ABSC_CURV”, PARA_Y = “SIXX”)
Handbook of Utilization
U4.3- booklet: Function
HT-62/06/004/A
Code_Aster ®
Version
8.2
Titrate:
Operator RECU_FONCTION
Date:
22/02/06
Author (S):
Key COURTEOUS Mr.
:
U4.32.03-H1 Page:
13/14
4.2 Extraction
of
function in a structure of data melasflu
meles1 = CALC_FLUI_STRU (…)
f_freq = RECU_FONCTION (BASE_ELAS_FLUI = meles1,
PARA_X = “VITE_FLU”,
PARA_Y = “FREQ”,
TOUT_ORDRE = “YES”,
NUME_MODE = 2
)
4.3 Extraction
of
function whose name is indicated in a box
of a table of the table_post_alea type
reppx_ac = REST_SPEC_PHYS (…)
statx_ac = POST_DYNA_ALEA (INTE_SPEC = reppx_ac,
TOUT_ORDRE = “YES”,
OPTION = “DIAG”)
f_freq = RECU_FONCTION (TABLE = statx_ac,
NOM_PARA_TABL = “FUNCTION”,
TYPE_RESU = “FONCTION_C',
FILTER = (_F (NOM_PARA = “NOEUD_I”,
VALE_K = “N_TUB_01”),
_F (NOM_PARA = “NOEUD_J',
VALE_K = “N_TUB_01”),
_F (NOM_PARA = “NUME_VITE_FLUI”,
VALE_I = 3)
)
)
Handbook of Utilization
U4.3- booklet: Function
HT-62/06/004/A
Code_Aster ®
Version
8.2
Titrate:
Operator RECU_FONCTION
Date:
22/02/06
Author (S):
Key COURTEOUS Mr.
:
U4.32.03-H1 Page:
14/14
Intentionally white left page.
Handbook of Utilization
U4.3- booklet: Function
HT-62/06/004/A
Outline document