Settings ========== Sixteen parameters are necessary to define the Barcelona model. These are classified in the :numref:`r7.01.17-parametres`. .. _r7.01.17-parametres: .. list-table:: Paramètres. *-**Category** - **Appellation** - **Definition** - **Unit** - **Interval** - **Symbol** * - Elasticity - | *BulkModulus* | *ShearModulus* | *SwellingIndex* | *SuccionIndex* | *SuccionModulus* - | Compressibility module | Shear module | Elastic compressibility coefficient at:math: `p_c=\ mathrm {Cte} ` | Elastic compressibility coefficient at:math: `p"=\ mathrm {Cte} ` | Initial compressibility module in capillary pressure - | [Not] | [Not] | [-] | [-] | [Not] - |:math: `\ mathbb {R} ^ {+*}` |:math: `\ mathbb {R} ^ {+*}` |:math: `\ mathbb {R} ^ {+}` |:math: `\ mathbb {R} ^ {+}` |:math: `\ mathbb {R} ^ {+*}` - |:math: `K` |:math: `\ mu` |:math: `\ kappa` |:math: `\ kappa_s` |:math: `k_S` * - Initial elasticity domain - | *critstateSlope* | *initConspress* | *YieldSuccion* - | Critical state slope | Initial consolidation pressure at:math: `p_c=0` | Initial irreversibility threshold under capillary pressure - | [-] | [Not] | [Not] - |:math: `\ mathbb {R} ^ {+*}` |:math: `\ mathbb {R} ^ {+*}` |:math: `\ mathbb {R} ^ {+*}` - |:math: `M` |:math: `p_ {con} ^0` |:math: `s_0^0` * - | Pressure work hardening | capillary - | *YieldTensSlope* | *PlastSuccionIndex* - | Slope of the isotropic tensile limit | Plastic compressibility coefficient at:math: `p"=\ mathrm {Cte} ` - | [-] | [-] - |:math: `\ mathbb {R} ^ {+}` |:math: `]\ kappa_s; +\ infty [` - |:math: `k_s` |:math: `\ lambda_s` * - | Work hardening by deformation | volume plastic - | *PlastStrainIndex* | *PlastStrainPara1* | *PlastStrainPara2* | *RefeConsPress* - | Total compressibility coefficient at:math: `p_c=0` |:math: `1^ {er} `total compressibility coefficient parameter at:math: `p_c=\ mathrm {Cte}` |:math: `2^ {nd} `total compressibility coefficient parameter at:math: `p_c=\ mathrm {Cte}` | Reference consolidation pressure to:math: `p_c=0` - | [-] | [-] | [-] | [Not] - |:math: `]\ kappa; +\ infty [` |:math: `\ mathbb {R} ^ {+}` |:math: `]\ kappa/\ lambda_0; 1]` |:math: `\ mathbb {R} ^ {+*}` - |:math: `\ lambda_0` |:math: `\ beta` |:math: `r` |:math: `p_r` * - Plastic flow - | *FlowCorrection* - | Correction coefficient of plastic flow - | [-] - |:math: `\ mathbb {R} ^ {+*}` - |:math: `\ alpha` * - Initial state - | *initVoidsRatio* - | Initial void index - | [-] - |:math: `\ mathbb {R} ^ {+*}` - |:math: `e_0`