CalculiX CrunchiX USER'S MANUAL version 2.17
Guido Dhondt
Theory
Beam Section Types
Fluid Section Types: Gases
- Orifice
- Bleed Tapping
- Preswirl Nozzle
- Straight and Stepped Labyrinth
- Characteristic
- Carbon Seal
- Gas Pipe (Fanno)
- Rotating Gas Pipe (subsonic applications)
- Restrictor, Long Orifice
- Restrictor, Enlargement
- Restrictor, Contraction
- Restrictor, Bend
- Restrictor, Wall Orifice
- Restrictor, Entrance
- Restrictor, Exit
- Restrictor, User
- Branch, Joint
- Branch, Split
- Cross, Split
- Vortex
- Möhring
- Change absolute/relative system
- In/Out
- Mass Flow Percent
- Network User Element
Fluid Section Types: Liquids
Fluid Section Types: Open
Channels
Boundary conditions
Node-to-Face Penalty Contact
Face-to-Face Penalty Contact
Face-to-Face Mortar Contact
Materials
Types of analysis
Convergence criteria
Loading
Error estimators
Output variables
The Finite Volume Method for Fluid Dynamics
General approach for solving the CFD equations
Conservation of momentum (compressible flow)
Pressure term
Volume forces
Rhie-Chow interpolation
Conservation of mass (compressible flow)
Conservation of Energy (compressible flow)
Turbulence equations (compressible flow)
Summary of the compressible flow equations
Incompressible flow
Summary of the incompressible flow equations
Convergence considerations
Input deck format
*BOUNDARYF
*BUCKLE
*CFD
*CFLUX
*CHANGE FRICTION
*CHANGE MATERIAL
*CHANGE PLASTIC
*CHANGE SURFACE BEHAVIOR
*CHANGE SOLID SECTION
*CLEARANCE
*CLOAD
*COMPLEX FREQUENCY
*CONDUCTIVITY
*CONSTRAINT
*CONTACT DAMPING
*CONTACT FILE
*CONTACT OUTPUT
*CONTACT PAIR
*CONTACT PRINT
*CONTROLS
*CORRELATION LENGTH
*COUPLED TEMPERATURE-DISPLACEMENT
*COUPLING
*CREEP
*CYCLIC HARDENING
*CYCLIC SYMMETRY MODEL
*DAMPING
*DASHPOT
*DEFORMATION PLASTICITY
*DENSITY
*DEPVAR
*DESIGN VARIABLES
*DFLUX
*DISTRIBUTING
*DISTRIBUTING COUPLING
*DISTRIBUTION
*DLOAD
*DSLOAD
*DYNAMIC
*ELASTIC
*ELECTRICAL CONDUCTIVITY
*ELECTROMAGNETICS
*ELEMENT
*ELEMENT OUTPUT
*EL FILE
*EL PRINT
*ELSET
*END STEP
*EQUATION
*EXPANSION
*FILM
*FILTER
*FLUID CONSTANTS
*FLUID SECTION
*FREQUENCY
*FRICTION
*GAP
*GAP CONDUCTANCE
*GAP HEAT GENERATION
*GEOMETRIC TOLERANCES
*GREEN
*HEADING
*HEAT TRANSFER
*HYPERELASTIC
*HYPERFOAM
*INCLUDE
*INITIAL CONDITIONS
*INITIAL STRAIN INCREASE
*KINEMATIC
*MAGNETIC PERMEABILITY
*MASS
*MASS FLOW
*MATERIAL
*MEMBRANE SECTION
*MODAL DAMPING
*MODAL DYNAMIC
*MODEL CHANGE
*MPC
*NETWORK MPC
*NO ANALYSIS
*NODAL THICKNESS
*NODE
*NODE FILE
*NODE OUTPUT
*NODE PRINT
*NORMAL
*NSET
*OBJECTIVE
*ORIENTATION
*OUTPUT
*PHYSICAL CONSTANTS
*PLASTIC
*PRE-TENSION SECTION
*RADIATE
*REFINE MESH
*RESTART
*RETAINED NODAL DOFS
*RIGID BODY
*ROBUST DESIGN
*SECTION PRINT
*SELECT CYCLIC SYMMETRY MODES
*SENSITIVITY
*SHELL SECTION
*SOLID SECTION
*SPECIFIC GAS CONSTANT
*SPECIFIC HEAT
*SPRING
*STATIC
*STEADY STATE DYNAMICS
*STEP
*SUBMODEL
*SUBSTRUCTURE GENERATE
*SUBSTRUCTURE MATRIX OUTPUT
*SURFACE
*SURFACE BEHAVIOR
*SURFACE INTERACTION
*TEMPERATURE
*TIE
*TIME POINTS
*TRANSFORM
*TRANSFORMF
*UNCOUPLED TEMPERATURE-DISPLACEMENT
*USER ELEMENT
*USER MATERIAL
*VALUES AT INFINITY
*VIEWFACTOR
*VISCO
User subroutines.
User-defined loading
User-defined mechanical material laws.
ABAQUS umat routines
User-defined thermal material laws.
User-defined nonlinear equations
User-defined elements
Programming rules.
Program structure.
Reading the step input data
Expansion of the one-dimensional and two-dimensional elements
Contact
Storing distributions for local coordinate systems
Determining the matrix structure
Filling and solving the set of equations, storing the results
Major routines
Aerodynamic and hydraulic networks
Three-Dimensional Navier-Stokes Calculations (FEM)
Three-Dimensional Navier-Stokes Calculations (FVM)
Sensitivity Analysis
Mesh refinement
List of variables and their meaning
Verification examples.
References
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