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  • Goma User Manual

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  • Goma User Manual

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  • Introduction
  • Background Information
  • Code Structure and I/O
  • Problem Description (Input File)
    • File Specification
      • FEM File
      • Output EXODUS II File
      • Guess File
      • SOLN File
      • Write Intermediate Results
      • Write Initial Solution
      • External Decomposition
      • Decomposition Type
    • General Specifications
      • Output Level
      • Debug
      • Print 3D BC Dup
      • Number of Jacobian File Dumps
      • Initial Guess
      • Initialize
      • External Field
      • Export Field
      • External Pixel Field
      • Pressure Datum
      • Anneal Mesh on Output
    • Time Integration Specifications
      • Time Integration
      • delta_t
      • Maximum Number of Time Steps
      • Maximum Time
      • Minimum Time Step
      • Maximum Time Step
      • Minimum Resolved Time Step
      • Courant Number Limit
      • Time Step Parameter
      • Time Step Error
      • Printing Frequency
      • Fix Frequency
      • Second Frequency Time
      • Initial Time
    • Level Set Specifications
      • Fill Subcycle
      • Fill Weight Function
      • Level Set Interface Tracking
      • Level Set Semi_Lagrange
      • Level Set Subgrid Integration Depth
      • Level Set Subelement Integration
      • Level Set Adaptive Integration
      • Level Set Adaptive Order
      • Overlap Quadrature Points
      • Level Set PSPP Filtering
      • Level Set Length Scale
      • Level Set Initialize
      • Level Set Adaptive Mesh
      • Level Set Adapt Width
      • Level Set Adapt Inner Size
      • Level Set Adapt Outer Size
      • Level Set Adapt Frequency
      • Level Set Initialization Method
      • Level Set Periodic Planes
      • Level Set Control Width
      • Level Set Timestep Control
      • Level Set Renormalization Tolerance
      • Level Set Renormalization Method
      • Level Set Renormalization Frequency
      • Restart Time Integration After Renormalization
      • Level Set Reconstruction Method
      • Level Set Contact Extension
      • Level Set Slave Surface
      • Ignore Level Set Dependencies
      • Force Initial Level Set Renormalization
    • Phase Field Specifications
      • Number of Phase Functions
      • Phase Function Slave Surface
      • Phase Function Initialization Method
      • Phase Function Renormalization Tolerance
      • Phase Function Renormalization Method
    • Turbulence Specifications
      • Turbulence Calculate Wall Distance
      • Turbulence Wall Side Sets
      • Turbulence Wall Node Sets
    • Continuation Specifications
    • Hunting Specifications
    • Augmenting Conditions Specifications
    • Solver Specifications
      • Strong Boundary Condition Replace Equation
      • Strong Boundary Condition Penalty
      • Total Number of Matrices
      • Solution Algorithm
      • Matrix Storage Format
      • Stratimikos File
      • Preconditioner
      • Matrix Subdomain Solver
      • Matrix Scaling
      • Matrix Residual Norm Type
      • Matrix Output Type
      • Matrix Factorization Reuse
      • Matrix Graph Fillin
      • Matrix Factorization Overlap
      • Matrix Overlap Type
      • Matrix Auxiliary Vector
      • Matrix Drop Tolerance
      • Matrix Polynomial Order
      • Matrix Reorder
      • Matrix Factorization Save
      • Matrix ILUT Fill Factor
      • Matrix RILU Relax Factor
      • Matrix BILU Threshold
      • Matrix Relative Threshold
      • Matrix Absolute Threshold
      • Size of Krylov Subspace
      • Orthogonalization
      • Maximum Linear Solve Iterations
      • Number of Newton Iterations
      • Modified Newton Tolerance
      • Jacobian Reform Time Stride
      • Newton line search type
      • Newton Correction Factor
      • Normalized Residual Tolerance
      • Normalized Correction Tolerance
      • Residual Ratio Tolerance
      • Residual Relative Tolerance
      • Pressure Stabilization
      • Pressure Stabilization Scaling
      • Pressure Stabilization Disable Tau Sens
      • Pressure Stabilization Lagged Tau
      • SUPG Disable Tau Sens
      • Lagged Tau
      • Use AutoDiff Assembly
      • Linear Stability
      • Filter Concentration
      • Disable Viscosity Sensitivities
    • Eigensolver Specifications
    • Electromagnetic Problem Properties
      • EM Frequency
      • EM Free Space Permittivity
      • EM Free Space Permeability
    • Boundary Condition Specifications
      • Number of BC
      • Category 1: Any Equation
      • Category 2: Mesh Equations
      • Category 3: Real Solid Equations
      • Category 4: Fluid Momentum Equations
      • Category 5: Energy Equations
      • Category 6: Mass Equations
      • Category 7: Continuity Equation
      • Category 8: Porous Equations
      • Category 9: Stress Equations
      • Category 10: Gradient Equations
      • Category 11: Shear Rate Equation
      • Category 12: Fill Equation
      • Category 13: Potential Equation
      • Category 14: Fluid-Solid Interaction
      • Category 15: Level Set Interfaces
      • Category 16: Shell Equations
      • Category 17: Acoustic Equations
      • Category 18: Turbulence Equations
      • END OF BC
    • Rotation Specifications
      • Rotation Specifications
      • ROT SURFACE
      • ROT EDGE
      • ROT VERTEX
      • END OF ROT
    • Problem Description
      • Number of Materials
      • MAT
      • Coordinate System
      • Element Mapping
      • Mesh Motion
      • Number of Bulk Species
      • Material is Nondilute
      • Number of Bulk Species Equations
      • Default Material Species Type
      • Number of Viscoelastic Modes
      • Number of Matrices
      • MATRIX
      • Disable time step control
      • Normalized Residual Tolerance
      • Residual Relative Tolerance
      • Number of EQ
      • energy
      • momentum
      • pmomentum
      • stress
      • shear_rate
      • species_bulk
      • mesh
      • mom_solid
      • continuity
      • fill
      • lagr_mult_1, lagr_mult_2, lagr_mult_3
      • level set
      • voltage
      • efield
      • enorm
      • shear_rate
      • vort_dir
      • vort_lambda
      • porous_sat
      • porous_unsat
      • porous_liq
      • porous_gas
      • porous_deform
      • porous_energy
      • surf_charge
      • shell_tension
      • shell_curvature
      • shell_angle
      • shell_diff_flux
      • shell_diff_curv
      • shell_normal
      • shell_surf_curv
      • shell_surf_div_v
      • grad_v_dot_n1, grad_v_dot_n2, grad_v_dot_n3
      • n_dot_curl_v
      • acous_preal
      • acous_pimag
      • acous_reyn_stress
      • potential1
      • potential2
      • lubp
      • lubp_2
      • shell_energy
      • shell_filmp
      • shell_filmh
      • shell_partc
      • shell_sat_closed
      • shell_sat_gasn
      • shell_sat_open
      • shell_sat_open_2
      • shell_deltah
      • moment
      • END OF EQ
      • END OF MAT
    • Post Processing Specifications
      • Stream Function
      • Streamwise Normal Stress
      • Cross-Stream Shear Rate
      • Mean Shear Rate
      • Pressure Contours
      • Fill Contours
      • Concentration Contours
      • Stress Contours
      • First Invariant of Strain
      • Second Invariant of Strain
      • Third Invariant of Strain
      • Velocity Divergence
      • Particle Velocity Divergence
      • Total Velocity Divergence
      • Electric Field
      • Electric Field Magnitude
      • Enormsq Field
      • Enormsq Field Norm
      • Viscosity
      • Density
      • Lame MU
      • Lame LAMBDA
      • Von Mises Strain
      • Von Mises Stress
      • Navier Stokes Residuals
      • Moving Mesh Residuals
      • Mass Diffusion Vectors
      • Diffusive Mass Flux Vectors
      • Mass Fluxlines
      • Energy Conduction Vectors
      • Energy Fluxlines
      • Time Derivatives
      • Mesh Stress Tensor
      • Real Solid Stress Tensor
      • Mesh Strain Tensor
      • Viscoplastic Def_Grad Tensor
      • Lagrangian Convection
      • Normal and Tangent Vectors
      • Error ZZ Velocity
      • Error ZZ Heat Flux
      • Error ZZ Pressure
      • User-Defined Post Processing
      • Porous Saturation
      • Total Density of Solvents in Porous Media
      • Density of Solvents in Gas Phase in Porous Media
      • Density of Liquid Phase in Porous Media
      • Gas Phase Darcy Velocity in Porous Media
      • Liquid Phase Darcy Velocity in Porous Media
      • Capillary Pressure in Porous Media
      • Grid Peclet Number in Porous Media
      • SUPG Velocity in Porous Media
      • Vorticity Vector
      • Map Conf Stress
      • Viscous Stress
      • Fluid Stress
    • Post Processing Fluxes and Data
      • Post Processing Fluxes
      • FLUX
      • END OF FLUX
      • Post Processing Data
      • DATA
      • END OF DATA
      • Post Processing Flux Sensitivities
      • FLUX_SENS
      • END OF FLUX_SENS
      • Post Processing Data Sensitivities
      • DATA_SENS
      • END OF DATA_SENS
    • Post Processing Particle Traces
      • Post Processing Particle Traces
      • PARTICLE
      • END OF PARTICLES
    • Volumetric Integration
      • Post Processing Volumetric Integration
      • VOLUME_INT
      • END OF VOLUME_INT
    • Average post processing
      • Post Processing Averages
      • AVERAGE
      • END OF AVERAGES
  • Material Files
    • Physical Properties
      • Default Database
      • Density
    • Mechanical Properties and Constitutive Equations
      • Solid Constitutive Equation
      • Plasticity Equation
      • Convective Lagrangian Velocity
      • Lame MU
      • Lame LAMBDA
      • Stress Free Solvent Vol Frac
      • Solid Thermal Expansion
      • Solid Reference Temperature
      • Plastic Viscosity
      • EVP Yield Stress
      • Polymer Viscosity
      • Pseudo-Solid Lame MU
      • Pseudo-Solid Lame LAMBDA
      • Liquid Constitutive Equation
      • Viscosity
      • Low Rate Viscosity
      • Power Law Exponent
      • High Rate Viscosity
      • Time Constant
      • Aexp
      • Thermal Exponent
      • Thermal WLF Constant2
      • Yield Stress
      • Yield Exponent
      • Suspension Maximum Packing
      • Suspension Species Number
      • Cure Gel Point
      • Cure A Exponent
      • Cure B Exponent
      • Cure Species Number
      • Unreacted Gel Temperature
      • Polymer Constitutive Equation
      • PTT Form
      • Polymer Stress Formulation
      • Polymer Weight Function
      • Polymer Shift Function
      • Polymer Weighting
      • Polymer Shock Capturing
      • Discontinuous Jacobian Formulation
      • Adaptive Viscosity Scaling
      • Polymer Viscosity
      • Polymer Time Constant
      • Polymer Yield Stress
      • Mobility Parameter
      • PTT Xi parameter
      • PTT Epsilon parameter
      • Surface Tension
      • Spalart Allmaras Weight Function
      • Second Level Set Conductivity
      • Level Set Interface Conductivity Interpolation Method
      • Second Level Set Density
      • Level Set Interface Density Interpolation Method
      • Second Level Set Heat Capacity
      • Level Set Interface Heat Capacity Interpolation Method
      • Second Level Set Viscosity
      • Level Set Interface Viscosity Interpolation Method
      • Shell Bending Stiffness
    • Thermal Properties
      • Heat Flux Model
      • Conductivity
      • Heat Capacity
      • Volume Expansion
      • Reference Temperature
      • Liquidus Temperature
      • Solidus Temperature
      • Energy Weight Function
    • Electrical Properties
      • Electrical Conductivity
      • Electrical Permittivity
      • Magnetic Permeability
      • Electromagnetic Incident Wave
      • Extinction Index
      • Level Set Interface Extinction Index Interpolation Method
      • Refractive Index
      • Level Set Interface Refractive Index Interpolation Method
    • Acoustic Properties
      • Level Set Interface Acoustic Absorption Interpolation Method
      • Level Set Interface Acoustic Impedance Interpolation Method
      • Level Set Interface Wave Number Interpolation Method
    • Microstructure Properties
      • Media Type
      • Porosity
      • Permeability
      • Liquid phase compressibility
      • Liquid phase reference pressure
      • Flowing Liquid Viscosity
      • Inertia Coefficient
      • Capillary Network Stress
      • Rel Gas Permeability
      • Rel Liq Permeability
      • Saturation
      • Porous Weight Function
      • Porous Mass Lumping
      • Porous Diffusion Constitutive Equation
      • Porous Gas Diffusivity
      • Porous Latent Heat Vaporization
      • Porous Latent Heat Fusion
      • Porous Vapor Pressure
      • Porous Liquid Volume Expansion
      • Porous Gas Constants
    • Species Properties
      • Number of Species
      • Diffusion Constitutive Equation
      • Species Weight Function
      • Species Shock Capturing
      • Number of Chemical Reactions
      • Reaction Rate
      • Thermodynamic Potential
      • Interfacial Area
      • Butler_Volmer_j
      • Butler_Volmer_ij
      • Solution Temperature
      • Porosity
      • Diffusivity
      • Shear Rate Diffusivity
      • Viscosity Diffusivity
      • Curvature Diffusivity
      • Fickian Diffusivity
      • Gravity-based Diffusivity
      • Q Tensor Diffusivity
      • Species Time Integration
      • Advective Scaling
      • Latent Heat Vaporization
      • Latent Heat Fusion
      • Vapor Pressure
      • Species Volume Expansion
      • Standard State Chemical Potential
      • Pure Species Chemical Potential
      • Chemical Potential
      • Reference Concentration
      • Molecular Weight
      • Specific Volume
      • Molar Volume
      • Charge Number
      • Non-condensable Molecular Weight
      • Non-volatile Molar Volume
      • Non-volatile Specific Volume
      • Flory-Huggins parameters
    • Source Terms
      • Navier-Stokes Source
      • Second Level Set Momentum Source
      • Level Set Interface Momentum Source Interpolation Method
      • Solid Body Source
      • Mass Source
      • Heat Source
      • Level Set Interface Heat Source Interpolation Method
      • Species Source
      • Level Set Interface Species Source Interpolation Method
      • Current Source
      • Moment Source
      • Initialize
    • Shell Equation Properties and Models
      • Upper Height Function Constants
      • Lower Height Function Constants
      • Upper Velocity Function Constants
      • Lower Velocity Function Constants
      • Upper Contact Angle
      • Lower Contact Angle
      • Lubrication Fluid Source
      • Lubrication Momentum Source
      • Turbulent Lubrication Mode
      • Shell Energy Source QCONV
      • Shell Energy Source Sliding Contact
      • Shell Energy Source Viscous Dissipation
      • Shell Energy Source External
      • FSI Deformation Model
      • Film Evaporation Model
      • Disjoining Pressure Model
      • Diffusion Coefficient Model
      • Porous Shell Radius
      • Porous Shell Height
      • Porous Shell Closed Porosity
      • Porous Shell Closed Gas Pressure
      • Porous Shell Atmospheric Pressure
      • Porous Shell Reference Pressure
      • Porous Shell Cross Permeability
      • Porous Shell Gas Diffusivity
      • Porous Shell Gas Temperature Constant
      • Porous Shell Henrys Law Constant
    • Moment Properties
  • References
  • Appendix 1: Goma Documentation Lists

Acoustic Properties#

Many of these may be undocumented and shared with electromagnetic properties

  • Level Set Interface Acoustic Absorption Interpolation Method
  • Level Set Interface Acoustic Impedance Interpolation Method
  • Level Set Interface Wave Number Interpolation Method

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Level Set Interface Refractive Index Interpolation Method

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Level Set Interface Acoustic Absorption Interpolation Method
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