OptiGeo 2D

Model

Problem type

Slope ratio

Width Height

Mesh type

Div X Div Y

Materials

E [MPa] · c,T [kPa] · φ,ψ [°] · ρ [kg/m³]

Material zones

Boundary conditions

Left Right Bottom Top

Loads

Gravity

g Surf [kPa]

Groundwater

Enable

Water level y [m] γw [kN/m³]

Steady-state seepage

Downstream head y [m]

Solves ∇·(k∇h)=0 on the mesh using each material's hydraulic conductivity k; computes the pore-pressure field for effective-stress analysis.

Advanced analysis (Tier 3)

Thermal

Enable

T₀ Top T Bottom T Left T Right T

Solves the steady temperature field (Dirichlet boundaries) and applies α(T−T₀) as a stress-free strain.

Creep

Enable

η A n scale

HM

Consolidation

cv Biot

Dynamics / seismic

Dynamic

Seismic

aₓ freq

Free-field boundaries

Rayleigh damping α β [s]

Rayleigh replaces local damping: set Damping ≈ 0 below and use α≈2ζω, β≈2ζ/ω.

Applies inertial body force −m·a(t) for a sinusoidal base acceleration.

Solver

Damping Max steps

Results

Status—

Max displacement—

Yielded zones—

Steps0

Factor of Safety—

Governing material—

Bishop FoS—