Materials

Title

Analysis Type - Features List / Utility

Model

Material Models

Mat_001 SR4 Model Introduction

Mechanical (2D)

•Overview of SR4 Model

•SR4 material model

•Case 1 Simulation of Triaxial Tests with the SR4 model

•Case 2 Characterization of Experimental Data with the SR4 Model (Linear Elasticity)

•Case 3 Characterization of Experimental Data with the SR4 Model (Poroelasticity)

•Triaxial tests

•Material characterization of experimental data for SR4 model with linear elasticity/poroelasticity

Plots from experimental tests

Mat_001b SR4 Hardening Calibration

Mechanical (2D)

•Case 1 Introduction to SR4 Hardening Calibration

•Case 2 Calibration Exercise

•SR4 material hardening parameters and calibration of kappa and lambda using SR4 analytical model

Mat_001c SR4 User Defined Hardening

Mechanical (2D) and Coupled THM (2D)

•Case 1 Definition of SR4 User-Defined Hardening Table

•Case 2 Facies Mixture-based Material Database

•SR4 material hardening calibration to user-defined hardening model

•Provision of facies mixture-based material database spreadsheet and step by step description for user-derivation

•Axi-symmetric single element oedometer test (geomechanical)

•Uniaxial column consolidation test (coupled THM)

Mechanical properties for different component % of Sandstone, Siltstone, Shale, Carbonate (Ss_Si_Sh_Ca)

Mat_001d Mechanical compaction models

Mechanical (2D) and Coupled THM (2D)

•Case 1 Procedure and inputs

•Simplified input of data in the form of Athy-type models to characterise mechanical compaction

•Automated hardening data generation

Validated results generated using the mechanical compaction models

Mat_002 Calibration of diagenesis reactions

Mechanical (2D)

•Diagenesis Model Overview        

•Diagenesis Model Behaviour

•Diagenesis model and behaviour

•Case1 Kimmeridge Clay

•Case2 Berea Sandstone

•Calibration of diagenesis law for Kimmeridge Clay and Berea Sandstone

•Axi-symmetric single element oedometer test/burial history simulation

Axi-symmetric single element: Oedometer test (left), Burial history simulation (right)

Results vs geomechanical tests. Simulation of burial history (left). Additional unloading/reloading (right)

Mat_003 Continuum Fracture Model (PVC test on a fractured specimen)

Coupled HM (3D)

•Case1a Poroelastic simulation

•Case1b Poro-elasto-plastic (SR4) simulation

•Case 2a (poroelastic) and Case 2b (SR4) with 2 sets of fractures

•Pore Volume Compressibility (PVC) test

•Poroelastic / with SR4 plasticity materials

•Single hex element continuum fracture model with one/two fracture sets

(a) Schematic of PVC test, (b) Model with 1 fracture set (Case 1), (c) with 2 fracture sets (Case 2)

Mat_004 Modelling creep in chalks and shales

Mechanical (2D)

•Overview of creep models

•Case01 Power law creep model

•Case02 Power law model with accelerated creep at high deviatoric stresses

•SR3 plasticity model with simple Power law creep/Power law with accelerated creep at high q

•Hydraulic Compression Tests (HCT) and Triaxial tests (CTC) at different loading rates