Sequential Methods for Coupled Geomechanics and Multiphase Flow

72 CHAPTER 3. STABILITY OF THE DRAINED AND UNDRAINED SPLITS
Dimensionless horizontal displacement u x /L x
Dimensionless horizontal displacement u x /L x
−1
−1.1
−1.2
−1.3
−1.4
x 10 −3 Case 3.3. The Mandel Problem, τ=0.90
−1.5
0 0.5 1 1.5
−1
−1.1
−1.2
−1.3
−1.4
Dimensionless time(c v t/(Lx) 2 )
Analytic sol
Fully coupled
Undrained
Drained
x 10 −3 Case 3.3. The Mandel Problem, τ=1.10
−1.5
0 0.5 1 1.5
Dimensionless time(c v t/(Lx) 2 )
Drained
Undrained
Fully coupled
Analytic Sol
Figure 3.16: Case 3.3 (the Mandel problem). Evolution of the dimensionless horizontal
displacement on the right side as a function of dimensionless time. Shown are the results
for the fully coupled, drained, and undrained splits with different coupling strengths. Top:
τ = 0.90. Bottom: τ = 1.10.