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Contents
Contents
CalculiX CrunchiX USER'S MANUAL version 1.6
Guido Dhondt
Contents
Introduction.
Units
Simple example problems
Cantilever beam
Frequency calculation of a beam loaded by compressive forces
Thermal calculation of a furnace
Seepage under a dam
Hydraulic pipe system
Theory
Element Types
Eight-node brick element (C3D8)
Eight-node brick element with reduced integration (C3D8R)
Twenty-node brick element (C3D20)
Twenty-node brick element with reduced integration (C3D20R)
Four-node tetrahedral element (C3D4)
Ten-node tetrahedral element (C3D10)
Six-node wedge element (C3D6)
Fifteen-node wedge element (C3D15)
Six-node shell element (S6)
Eight-node shell element (S8 and S8R)
Six-node plane stress element (CPS6)
Eight-node plane stress element (CPS8 and CPS8R)
Six-node plane strain element (CPE6)
Eight-node plane strain element (CPE8 and CPE8R)
Six-node axisymmetric element (CAX6)
Eight-node axisymmetric element (CAX8 and CAX8R)
Three-node beam element (B32 and B32R)
Three-node fluid element (D)
Two-node unidirectional gap element (GAPUNI)
Fluid Section Types: Gases
Orifice
Bleed Tapping
Preswirl Nozzle
Straight and Stepped Labyrinth
Characteristic
Carbon Seal
Gas Pipe
Fluid Section Types: Liquids
Pipe, Manning
Pipe, White-Colebrook
Pipe, Sudden Enlargement
Pipe, Sudden Contraction
Pipe, Entrance
Pipe, Diaphragm
Pipe, Bend
Pipe, Gate Valve
Pump
Boundary conditions
Single point constraints (SPC)
Multiple point constraints (MPC)
Contact
Materials
Linear elastic materials
Hyperelastic and hyperfoam materials
Deformation plasticity
Incremental (visco)plasticity
User materials
Types of analysis
Static analysis
Frequency analysis
Buckling analysis
Modal dynamic analysis
Steady state dynamics
Direct integration dynamic analysis
Heat transfer
Acoustics
Shallow water motion
Hydrodynamic lubrication
Irrotational incompressible inviscid flow
Electrostatics
Stationary groundwater flow
Diffusion mass transfer in a stationary medium
Aerodynamic Networks
Hydraulic Networks
Convergence criteria
Loading
Point loads
Facial distributed loading
Centrifugal distributed loading
Gravity distributed loading
Temperature loading in a mechanical analysis
Initial(residual) stresses
Concentrated heat flux
Distrubuted heat flux
Convective heat flux
Radiative heat flux
Zienkiewicz-Zhu error estimator
Input deck format
*AMPLITUDE
*BEAM SECTION
*BOUNDARY
Homogeneous Conditions
Inhomogeneous Conditions
*BUCKLE
*CFLUX
*CLOAD
*CONDUCTIVITY
*CONTACT PAIR
*CONTROLS
*COUPLED TEMPERATURE-DISPLACEMENT
*CREEP
*CYCLIC HARDENING
*CYCLIC SYMMETRY MODEL
*DEFORMATION PLASTICITY
*DENSITY
*DEPVAR
*DFLUX
*DLOAD
*DYNAMIC
*ELASTIC
*ELEMENT
*EL FILE
*EL PRINT
*ELSET
*END STEP
*EQUATION
*EXPANSION
*FILM
*FLUID CONSTANTS
*FLUID SECTION
*FREQUENCY
*GAP
*HEADING
*HEAT TRANSFER
*HYPERELASTIC
*HYPERFOAM
*INCLUDE
*INITIAL CONDITIONS
*MATERIAL
*MODAL DAMPING
*MODAL DYNAMIC
*MPC
*NO ANALYSIS
*NODAL THICKNESS
*NODE
*NODE FILE
*NODE PRINT
*NORMAL
*NSET
*ORIENTATION
*PHYSICAL CONSTANTS
*PLASTIC
*RADIATE
*RESTART
*RIGID BODY
*SELECT CYCLIC SYMMETRY MODES
*SHELL SECTION
*SOLID SECTION
*SPECIFIC GAS CONSTANT
*SPECIFIC HEAT
*STATIC
*STEADY STATE DYNAMICS
*STEP
*SURFACE
*SURFACE BEHAVIOR
*SURFACE INTERACTION
*TEMPERATURE
*TIE
*TIME POINTS
*TRANSFORM
*USER MATERIAL
*VIEWFACTOR
*VISCO
User subroutines.
Creep for isotropic materials (creep.f)
Creep for anisotropic materials (ucreep.f)
Hardening (uhardening.f)
User-defined loading
Initial stress field (sigini.f)
Concentrated flux (cflux.f)
Distributed flux (dflux.f)
Distribruted load (dload.f)
Heat convection (film.f)
Boundary (uboun.f)
Heat radiation (radiate.f)
Temperature (utemp.f)
User-defined mechanical material laws.
Fiber reinforced materials.
The Cailletaud single crystal model.
Elastically anisotropic material with isotropic viscoplastic behavior.
ABAQUS umat routines
User-defined thermal material laws.
User-defined nonlinear equations
Mean rotation MPC.
Maximum distance MPC.
Gap MPC.
User-defined output
Program structure.
Allocation of the fields
openfile
readinput
allocate
Reading the step input data
SPC's
Homogeneous linear equations
Concentrated loads
Facial distributed loads
Mechanical body loads
Sets
Material description
Expansion of the one-dimensional and two-dimensional elements
Catalogueing the elements belonging to one and the same node
Calculating the normals in the nodes
Expanding the 1-D and 2-D elements
Connecting 1-D and 2-D elements to 3-D elements
Applying the SPC's to the expanded structure
Applying the MPC's to the expanded structure
Applying temperatures and temperature gradients
Applying concentrated forces to the expanded structure
Contact
Determining the matrix structure
Matching the SPC's
Decascading the MPC's
Renumbering the nodes to decrease the profile
Determining the matrix structure.
Filling and solving the set of equations, storing the results
Linear static analysis
Nonlinear calculations
Frequency calculations
Buckling calculations
Modal dynamic calculations
Steady state dynamics calculations
Major routines
mafillsm
List of variables and their meaning
Verification examples.
achtel2
achtel29
achtel9
achtelc
achtelcas
achteld
achtelg
achtelp
acou1
acou2
aircolumn
anipla
aniso
ax6
ax6ht
axial
axiplane
axrad
axrad2
beam10p
beam20p
beam20t
beam8b
beam8f
beam8p
beam8t
beamabq
beamb
beamcom
beamcr
beamd
beamdelay
beamdy1
beamdy10
beamdy11
beamdy12
beamdy13
beamdy2
beamdy3
beamdy4
beamdy5
beamdy6
beamdy7
beamdy8
beamdy9
beamf
beamf2
beamft
beamhf
beamhtbf
beamhtbo
beamhtcr
beamhtfc
beamidset
beammix
beammr
beammrco
beamnh
beamnld
beamnldy
beamnldye
beamnldyp
beamnldype
beamnlmpc
beamnlp
beamnlptp
beamnlt
beamnoan
beamog
beamp
beamp2stage
beampd
beampic
beampik
beampis
beampiso
beampkin
beampl
beamplane
beampo1
beampo2
beampset
beampt
beamrb
beamread
beamstraight
beamt
beamt2
beamt3
beamt4
beamth
beamtor
beamu
beamwrite
bolt
branch1
branch2
c3d15
c3d6
carbonseal
centheat1
characteristic
contact1
contact2
cube2
cubenewt
dam
disk2
dist
fullseg
furnace
gap
gaspipe10
gaspipe9
labyrinth1fin
labyrinthstepped
labyrinthstraight
linearnet
oneel20cf
oneel20df
oneel20fi
oneel8ra
pipe
planestress
planestress2
resstress1
resstress2
resstress3
sc123
section
segment
segment1
segment2
segmentf
segmentm
segmenttet
segststate
shell1
shell1lin
shell2
shellbeam
shellf
shellnor
solidshell1
solidshell2
swing
thermomech
wire
Bibliography
About this document ...
guido dhondt 2007-02-18
