User's Guide
Guia do Usuário, introdução ao projeto, objetivos, como instalar, como usar os exemplos básicos...
https://www.thecloudtutorial.com/user-manual-for-software-applications/
Pre-Process
myfempy.mesh.genmesh.ModelGen.get_model(meshdata: dict{})
Model Setting
meshdata{"PROPMAT"}: list[mat_set_1: dict{}, ..., mat_set_n: dict{}]
mat_set_n = {
# parameters
"NAME":str(def.val.='mat_1') # material name def
"EXX":float(def.val.=1.0) # elasticity modulus in x direction [link](https://en.wikipedia.org/wiki/Young%27s_modulus)
"VXX":float(def.val.=1.0) # poisson's ratio in x direction [link](https://en.wikipedia.org/wiki/Poisson%27s_ratio)
"GXX":float(def.val.=1.0) # shear modulus in x direction [link](https://en.wikipedia.org/wiki/Shear_modulus)
"EYY":float(optional) # elasticity modulus in y direction, to orthotropic material only
"VYY":float(optional) # poisson's ratio in y direction, to orthotropic material only
"GYY":float(optional) # shear modulus in y direction, to orthotropic material only
"RHO":float(optional) # density, to dynamic analysis only [link](https://en.wikipedia.org/wiki/Density)
"STIF":float(optional) # stiffness lumped, to lumped model
"DAMP":float(optional) # damping lumped, to lumped model
"MAT":str(def.val.='isotropic') # material definition
# options
'springlinear' # spring linear lumped
'springnonlin' # spring non linear lumped
'isotropic' # isotropic stress/strain material
'orthotropic' # orthotropic stress/strain material
"DEF":str(def.val.='planestress') # material behavior
# options
'lumped' # lumped material
'axial' # axial{rod, beams...} behavior material
'planestress' # plane stress behavior
'planestrain' # plane strain behavior
'solid' # solid behavior material
meshdata{"PROPGEO"}: list[geo_set_1: dict{}, ..., geo_set_n: dict{}]
geo_set_n = {
# parameters
"NAME":str(def.val.='geo_1') # geometry name def
"AREACS":float(def.val.=1.0) # area cross section
"INERXX":float(def.val.=1.0) # inercia x diretion [link](https://en.wikipedia.org/wiki/List_of_moments_of_inertia)
"INERYY":float(def.val.=1.0) # inercia y diretion
"INERZZ":float(def.val.=1.0) # inercia z diretion
"THICKN":float(def.val.=1.0) # thickness of plane/plate
"SEC":str(optional) # type of cross section, view list
"DIM":dict(optional)(def.val.={ # dimensional cross section def, view list <goto> Cross Section Dimensions
"b":float(def.val.=1.0) # b size
"h":float(def.val.=1.0) # h size
"t":float(def.val.=1.0) # t size
"d":float(def.val.=1.0)}) # d size
meshdata{"FORCES"}: list[force_set_1: dict{},..., force_set_n: dict{}]
force_set_n = {
# parameters
"DEF":str(def.val.='forcenode') # type force n def.
# options
'forcenode' # force in nodes, concentrated load
'forceedge' # force in edge, distributed load
'forcebeam' # force in beam only opt., distributed load [legacy version]
'forcesurf' # force in surface, distributed load
"DOF":str(def.val.='fx') # dof direction of force n
# options
'fx' # force in x dir.
'fy' # force in y dir.
'fz' # force in z dir.
'tx' # torque/moment in x dir.
'ty' # torque/moment in y dir.
'tz' # torque/moment in z dir.
'masspoint' # mass concentrated applied in node/point
'spring2ground' # spring connected node to ground/fixed end
'damper2ground' # damper connected node to ground/fixed end
"DIR":str(def.val.='node') # set direction <goto> Axis Diretions
# options
# ----- OPT. WITH LOC SEEKERS
'node' # node in mesh
'lengthx' # length line in x dir., beam only option [legacy version]
'lengthy' # length line in y dir., beam only option [legacy version]
'lengthz' # length line in z dir., beam only option [legacy version]
'edgex' # edge def in x dir. >'LOC': {'x':float(coord. x nodes), 'y':999(select all node in y dir.), 'z':float(coord. z nodes)}
'edgey' # edge def in y dir.
'edgez' # edge def in z dir.
'surfxy' # surf def in xy plane >'LOC': {'x':999, 'y': 999, 'z':float(coord. z nodes)}
'surfyz' # surf def in yz plane
'surfzx' # surf def in zx plane
# ----- OPT. WITH TAG SEEKERS
'point' # point number in tag list
'edge' # edge number in tag list
'surf' # surface number in tag list
"LOC":dict(def.val.={ # coord. node locator <goto> Axis Diretions
'x':float(def.val.=1.0) # x coord. node
'y':float(def.val.=1.0) # y coord. node
'z':float(def.val.=0.0)}) # z coord. node
"TAG":int(optional) # tag number of regions type, used with gmsh mesh gen, view list
"VAL":list(def.val.=[-1.0]) # value list of force on steps, signal +/- is the direction
# options
[val_force_step_1, # force on steps, in solver opt. is possible to indicate the one step or all steps number
...,
val_force_step_n]
meshdata{"BOUNDCOND"}: list[boundcond_set_1: dict{},..., boundcond_set_n: dict{}]
boundcond_set_n = {
# parameters
"DEF":str(def.val.='fixed') # type force n def.
# options
'fixed' # fixed boundary condition u=0. More in [link](https://en.wikipedia.org/wiki/Boundary_value_problem)
'displ' # displ boundary condition u!=0. [dev]
"DOF":str(def.val.='all') # dof direction of force n
# options
'ux' # force in x dir.
'uy' # force in y dir.
'uz' # force in z dir.
'rx' # torque/moment in x dir.
'ry' # torque/moment in y dir.
'rz' # torque/moment in z dir.
'all' # mass concentrated applied in node/point
"DIR":str(def.val.='edgex') # set direction <goto> Axis Diretions
# options
# ----- OPT. WITH LOC SEEKERS
'node' # node in mesh
'edgex' # edge def in x dir. >'LOC': {'x':float(coord. x nodes), 'y':999(select all node in y dir.), 'z':float(coord. z nodes)}
'edgey' # edge def in y dir.
'edgez' # edge def in z dir.
'surfxy' # surf def in xy plane >'LOC': {'x':999, 'y': 999, 'z':float(coord. z nodes)}
'surfyz' # surf def in yz plane
'surfzx' # surf def in zx plane
# ----- OPT. WITH TAG SEEKERS
'point' # point number in tag list
'edge' # edge number in tag list
'surf' # surface number in tag list
"LOC":dict(def.val.={ # coord. node locator <goto> Axis Diretions
'x':float(def.val.=0.0) # x coord. node
'y':float(def.val.=999) # y coord. node
'z':float(def.val.=0.0)}) # z coord. node
"TAG":int(optional) # tag number of regions type, used with gmsh mesh gen, view list
"VAL":list(def.val.=[1.0]) # value list of dislp on steps [dev]
# options
[val_displ_step_1, # dislp on steps, in solver opt. is possible to indicate the one step or all steps number
...,
val_displ_step_n]
See
meshdata{"QUADRATURE"}: dict{}
# parameters
'meth':str(def.val.='no_interpol') # method to integration
# options
'gaussian' # [link](https://en.wikipedia.org/wiki/Gaussian_quadrature)
'no_interpol'
'npp':int(def.val.=0) # number of points to integrations
# options
1
2
3
4
8
meshdata{"DOMAIN"}: str
# options
'structural' # set a structural model
Mesh Legacy Options
meshdata{"LEGACY"}: dict{} # LEGACY mesh return a rectangular plane only [test option]
# parameters
'lx':float(def.val.=1.0) # set a length in x diretion
'ly':float(def.val.=1.0) # set a length in y diretion
'nx':int(def.val.=10) # set a number of elements in x diretion
'yx':int(def.val.=10) # set a number of elements in y diretion
'mesh':str(def.val.=tria3) # set a type of mesh used in analysis
<goto> Table 1 Mesh List
'elem':str(def.val.=plane31) # set a type of element used in analysis
<goto> Table 2 Elements List
meshdata{"ELEMLIST"}: list[] # ELEMLIST return a element list from a manual mesh [old option]
# set
[
[elem_number_n:int, 'elem':str, mat_set_n{'NAME'}(set first mat_set_n:dict{}), geo_set_n{'NAME'}(set first geo_set_n:dict{}), nodes_list_conec_n:list[]]
...
]
>> [[1, 'plane31', 'steel', 'geo', [1, 2, 3]]]
meshdata{"NODELIST"}: list[] # NODELIST return a nodes list from a manual mesh [old option]
# set
[
[node_number_n:int, coord_x:float, coord_y:float, coord_z:float]
...
]
>> [[1, 0, 0, 0]
[2, 1, 0, 0]
[3, 0, 1, 0]]
Gmsh Mesh Options
Notes: 1 - Gmsh is NOT part of myfempy projects; 2 - Is Needed install Gmsh manually
meshdata{"GMSH"}: dict{} # GMSH mesh return a advacend mesh from gmsh external lib [link](https://pypi.org/project/gmsh/) [advanced option]
# parameters
'filename':str # name of files exit
'meshimport':dict{} # opt. to import a external gmsh mesh
# option
'object':str(object name .msh1) # file .msh1 only, legacy mesh from gmsh [current version]
'cadimport':dict{} # opt. to import a cad model from any cad program [link](https://en.wikipedia.org/wiki/Computer-aided_design) [FreeCAD](https://www.freecad.org/index.php?lang=pt_BR)
# option
'object':str(object name .step) # file .step/.stp only [current version]
*** Options to build a self model in .geo file (from gmsh)
'pointlist':list[] # poinst coord. list
# set
[
[coord_x_point_1:float, coord_y_point_1:float, coord_z_point_1:float]
...
[coord_x_point_n:float, coord_y_point_n:float, coord_z_point_n:float]
]
# y
# |
# |
# (1)----x
# \
# \
# z
#-- lines points conec., counterclockwise count
# set
[
[point_i_line_1:int, point_j_line_1:int]
...
[point_i_line_n:int, point_j_line_n:int]
]
# (i)-----{1}-----(j)
'planelist':list[] # planes lines conec., counterclockwise count
# set
[
[line_1_plane_1:int, ..., line_n_plane_1:int]
...
[line_1_plane_n:int, ..., line_n_plane_n:int]
]
# (l)-----{3}-----(k)
# | |
# | |
# {4} [1] {2}
# | |
# | |
# (i)-----{1}-----(j)
'arc':list[] # arc line set, counterclockwise count
# set
[
[R,[CX,CY,CZ],[A0, A1]] # arc_1
...
[R,[CX,CY,CZ],[A0, A1]] # arc_n
]
# A1 ^
# | /
# | /
# | R
# | /
# |/
# (i:CX,CY,CZ)------A0
# options
R:float # radius
CX:float # point i center x coord.
CY:float # point i center y coord.
CZ:float # point i center z coord.
A0:str(def.val.='0') # angle begin rad
A1:str(def.val.='Pi/2') # angle end rad
'meshconfig':dict{} # mesh configuration inputs
# options
'mesh':str # set a type of mesh used in analysis
<goto> Table 1 Mesh List
'elem':str # set a type of element used in analysis
<goto> Table 2 Elements List
'sizeelement':float # size min. of elements
'numbernodes':int # select a number of nodes in line, only to 'line2' <goto> Table 1 Mesh List
'meshmap':dict{} # gen. a mapped structured mesh
# option
'on':bool # turn on(true/ false)
True
False
'edge':two opt. # select edge to map (only in 'on':True)
'numbernodes':int # select a number of nodes in edge
'all'/ TAG NUMB:int # select all edge or a specific edge
'extrude':float # extrude dimensional, in z diretion, from a xy plane
Preview analysis
Solver Set
Post-Process
Appendix
Table 2 Mesh List
| mesh | supported elements |
|---|---|
| "line2" | "truss21", "beam21", "frame21", "frame22" |
| "tria3" | "plane31" |
| "quad4" | "plane41" |
| "hexa8" | "solid81" |
| "tetr4" | "solid41" |
Table 2 Elements List
| element | key/id | description |
|---|---|---|
| 'spring21' | 110 | spring 2D 2-node linear Finite Element |
| 'truss21' | 120 | truss 2D 2-node linear Finite Element |
| 'beam21' | 130 | beam 1D 2-node linear Finite Element |
| 'frame21' | 140 | frame 2D 2-node linear Finite Element |
| 'frame22' | 141 | frame 3D 2-node linear Finite Element |
| 'plane31' | 210 | triagular Plane 3-node linear Finite Element |
| 'plane41' | 220 | quatrangular Isoparametric Plane 4-node linear Finite Element |
| 'plate41' | 221 | quatrangular Isoparametric Plate Mindlin 4-node linear Finite Element [dev] |
| 'solid41' | 310 | tetrahedron Isoparametric Solid 8-node linear Finite Element |
| 'solid81' | 320 | hexahedron Isoparametric Solid 8-node linear Finite Element |
Table 3 Consistent Units
| Quantity | SI(m) | SI(mm) |
|---|---|---|
| length | m | mm |
| force | N | N |
| mass | kg | kg |
| time | s | s |
| stress | Pa(N/m^2) | MPa(N/mm^2) |
| energy | J | mJ(J E-3) |
| density | kg/m^3 | kg/mm^3(kg/m^3 E-9) |
Axis Diretions
# |
# [Y]
# | P1 -- principal plane
# | P2 -- secondary plane
# |__edgey__
# /| |
# / | P1 |
# / | surfxy edgex
# / f| |
# / r |_________|____________[X]__
# | u / /
# |s z/ P2 /
# | y/ surfzx edgez
# | / /
# |/__________/
# /
# [Z]
#/
Cross Section Dimensions
# :
# [Y]
# :
# ___ ___________:___________
# | |_______ : _______|
# | | : |
# | -->| : |<-------------(t)
# | | : |
# | | : |
# | | : |
# (h) | (CG).|..........[Z]..
# | | |
# | | |
# | | |
# | | |
# | _______| |_______ ___
# _|_ |_______________________| _|_(d)
# |-----------(b)---------|
Tag Legends
- [advanced option]: Inputs advanced options, require a external package
- [current version]: Inputs options in the latest stable version of myfempy
- [dev]: Inputs options in development (next update), to test only
- [legacy version]: Inputs of legacy/old version