# Interface

Result types for Interface

Property | Long name | Unit | Description |
---|---|---|---|

X | X | Length | X coordinate |

Y | Y | Length | Y coordinate |

Ux | u_{x} |
Length | Total displacement in x direction |

Uy | u_{y} |
Length | Total displacement in y direction |

Utot | |u| | Length | Total displacement |

dUx | Δu_{x} |
Length | Incremental displacement in x direction |

dUy | Δu_{y} |
Length | Incremental displacement in y direction |

dUtot | |Δu| | Length | Total incremental displacement |

PUx | Pu_{x} |
Length | Summed displacement per phase in x direction |

PUy | Pu_{y} |
Length | Summed displacement per phase in y direction |

PUtot | |Pu| | Length | Total summed displacement per phase |

Vx | v_{x} |
Length/Time | Velocity in x direction |

Vy | v_{y} |
Length/Time | Velocity in y direction |

Vtot | |v| | Length/Time | Total velocity |

Ax | a_{x} |
Length/Time^{2} |
Acceleration in x direction |

Ay | a_{y} |
Length/Time^{2} |
Acceleration in y direction |

Atot | |a| | Length/Time^{2} |
Total acceleration |

IRelUx | u_{x,rel} |
Length | Difference in displacement between opposing nodes in a structure in x direction |

IRelUy | u_{y,rel} |
Length | Difference in displacement between opposing nodes in a structure in y direction |

IRelUtot | |u_{rel}| |
Length | Total difference in displacement between opposing nodes in a structure |

IReldUx | Δu_{x,rel} |
Length | Difference in incremental displacement between opposing nodes in a structure in x direction |

IReldUy | Δu_{y,rel} |
Length | Difference in incremental displacement between opposing nodes in a structure in y direction |

IReldUtot | |Δu_{rel}| |
Length | Total difference in incremental displacement between opposing nodes in a structure |

IRelPUx | Pu_{x,rel} |
Length | Difference in summed displacement between opposing nodes in a structure per phase in x direction |

IRelPUy | Pu_{y,rel} |
Length | Difference in summed displacement between opposing nodes in a structure per phase in y direction |

IRelPUtot | |Pu_{rel}| |
Length | Total difference in summed displacement between opposing nodes in a structure per phase |

InterfaceEffectiveNormalStress | σ'Force | Force/Length^{2} |
Normal stress in direction of interface |

InterfaceTotalNormalStress | σForce | Force/Length^{2} |
Total interface normal stress |

InterfaceShearStress | τ1 | Force/Length^{2} |
Shear stress on interface in first direction |

InterfaceRelativeShearStress | τ_{rel} |
- | Relative shear stress in interfaces |

InterfaceTauMax | τ_{max} |
Force/Length^{2} |
Maximum value of shear stress on interface |

PExcess | p_{excess} |
Force/Length^{2} |
Excess pore pressure |

PActive | p_{active} |
Force/Length^{2} |
Active pore pressure |

PSteady | p_{steady} |
Force/Length^{2} |
Steady state pore pressure |

Temperature | Temperature | ° | Temperature of the soil at the interface |

PlasticPoint | Plastic points | - | Plastic point IDs of the interface |

Agx | a_{x}('g') |
- | Acceleration in g in x direction |

Agy | a_{y}('g') |
- | Acceleration in g in y direction |

Agtot | |a|('g') | - | Total acceleration in g |

Suction | Suction | Force/Length^{2} |
Suction |

EffSaturationAsPercentage | Saturation_{eff} |
% | Effective saturation |

VirtualInterfaceThickness | Virtual interface thickness factor | Length | Simulated thickness of the interface. Only used for internal calculations |

U1 | u_{1} |
Length | Total displacement in first local axis direction |

U2 | u_{2} |
Length | Total displacement in second local axis direction |

dU1 | Δu_{1} |
Length | Incremental displacement in first local axis direction |

dU2 | Δu_{2} |
Length | Incremental displacement in second local axis direction |

PU1 | Pu_{1} |
Length | Summed displacement per phase in first local axis direction |

PU2 | Pu_{2} |
Length | Summed displacement per phase in second local axis direction |

Height | Elevation | Length | Elevation |

PSteadyWithSuction | Steady state pore pressures with suction | Pressure | Steady state pore pressure with suction |

IsCurved | IsCurved | - | Whether the element is curved |

QualityLinLength | QLength | - | The ratio between this element'Time length and the maximum structure element length that exists in the entire mesh |

Length | Length | - | The length of the structure element |

MaterialID | Material | - | ID of material used by element |

UxMin | u_{x,min} |
Length | Minimum displacement in x direction |

UyMin | u_{y,min} |
Length | Minimum displacement in y direction |

UxMax | u_{x,max} |
Length | Maximum displacement in x direction |

UyMax | u_{y,max} |
Length | Maximum displacement in y direction |

UtotMax | |u|_{max} |
Length | Total maximum displacement |

VxMin | v_{x,min} |
Length/Time | Minimum velocity in x direction |

VyMin | v_{y,min} |
Length/Time | Minimum velocity in y direction |

VxMax | v_{x,max} |
Length/Time | Maximum velocity in x direction |

VyMax | v_{y,max} |
Length/Time | Maximum velocity in y direction |

VtotMax | |v|_{max} |
Length/Time | Total maximum velocity |

AxMin | a_{x,min} |
Length/Time^{2} |
Minimum acceleration in x direction |

AyMin | a_{y,min} |
Length/Time^{2} |
Minimum acceleration in y direction |

AxMax | a_{x,max} |
Length/Time^{2} |
Maximum acceleration in x direction |

AyMax | a_{y,max} |
Length/Time^{2} |
Maximum acceleration in y direction |

AtotMax | |a|_{max} |
Length/Time^{2} |
Total maximum acceleration |

AgxMin | a_{x,min}('g') |
- | Minimum acceleration in g in x direction |

AgyMin | a_{y,min}('g') |
- | Minimum acceleration in g in y direction |

AgxMax | a_{x,max}('g') |
- | Maximum acceleration in g in x direction |

AgyMax | a_{y,max}('g') |
- | Maximum acceleration in g in y direction |

AgtotMax | |a|_{max}('g') |
- | Total acceleration in g |

PlasticPointHistoryMohrCoulomb | Plastic point history, Failure points | - | The stress points that are marked as failure points. The value is the same as what PlasticPoint returns for failure points, but all other stress points are 0 |

PlasticPointHistoryTensionCutOff | Plastic point history, Tension cut-off points | - | The stress points that are marked as tension cut-off points. The value is the same as what PlasticPoint returns for tension cut-off points, but all other stress points are 0 |

PlasticPointHistoryCap | Plastic point history, Cap points | - | The stress points that are marked as cap points. The value is the same as what PlasticPoint returns for cap points, but all other stress points are 0 |

PlasticPointHistoryHardening | Plastic point history, Hardening points | - | The stress points that are marked as hardening points. The value is the same as what PlasticPoint returns for hardening points, but all other stress points are 0 |

PlasticPointHistoryCapHardening | Plastic point history, Cap + hardening points | - | The stress points that are marked as cap hardening points. The value is the same as what PlasticPoint returns for cap hardening points, but all other stress points are 0 |

PUxMin | Pu_{x,min} |
Length | Minimum displacement per phase in x direction |

PUyMin | Pu_{y,min} |
Length | Minimum displacement per phase in y direction |

PUxMax | Pu_{x,max} |
Length | Maximum displacement per phase in x direction |

PUyMax | Pu_{y,max} |
Length | Maximum displacement per phase in y direction |

PUtotMax | |Pu|_{max} |
Length | Maximum displacement per phase |

PVxMin | Pv_{x,min} |
Length/Time | Minimum velocity per phase in x direction |

PVyMin | Pv_{y,min} |
Length/Time | Minimum velocity per phase in y direction |

PVxMax | Pv_{x,max} |
Length/Time | Maximum velocity per phase in x direction |

PVyMax | Pv_{y,max} |
Length/Time | Maximum velocity per phase in y direction |

PVtotMax | |Pv|_{max} |
Length/Time | Total maximum velocity per phase |

PAxMin | Pa_{x,min} |
Length/Time^{2} |
Minimum acceleration per phase in x direction |

PAyMin | Pa_{y,min} |
Length/Time^{2} |
Minimum acceleration per phase in y direction |

PAxMax | Pa_{x,max} |
Length/Time^{2} |
Maximum acceleration per phase in x direction |

PAyMax | Pa_{y,max} |
Length/Time^{2} |
Maximum acceleration per phase in y direction |

PAtotMax | |Pa|_{max} |
Length/Time^{2} |
Total maximum acceleration per phase |

PAgxMin | Pa_{x,min}('g') |
- | Minimum acceleration in g per phase in x direction |

PAgyMin | Pa_{y,min}('g') |
- | Minimum acceleration in g per phase in y direction |

PAgxMax | Pa_{x,max}('g') |
- | Maximum acceleration in g per phase in x direction |

PAgyMax | Pa_{y,max}('g') |
- | Maximum acceleration in g per phase in y direction |

PAgtotMax | |Pa|_{max}('g') |
- | Total acceleration in g per phase |

SPUx | ΣPu_{x} |
Length | Summed displacement over phases in x direction |

SPUy | ΣPu_{y} |
Length | Summed displacement over phases in y direction |

SPUtot | |ΣPu| | Length | Total summed displacement over phases |

PWater | p_{water} |
Force/Length^{2} |
Pore water pressure |

EffSuction | Suction_{eff} |
Force/Length^{2} |
Effective suction |

EffSaturationAsRatio | Saturation_{eff} |
% | Effective saturation |

Qn | Qn | Length/Time | Water flow along the interface normal. |

Q1 | Q1 | Length^{3}/Time/Length |
Groundwater discharge of the interface |

NodeID | Node ID | - | Returns the ID of the nodes |

StressPointID | Stress point ID | - | Returns the ID of the stress points |

ElementID | Element ID | - | Returns the ID of the nodes |

LocalNumber | Local number | - | The n-th node or stress point in a structure element (also displayed in the tables of Output program) |