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5 VERIFICATION EXAMPLES 5.1 Example 1 – Earth pressure at rest 10 m FE-model Material assumptions (material 1 to 3), sand: Angle of inner friction ϕ = 30° Cohesion c = 0 Constrained modulus ES = 40000 kN/m² Coefficient of earth pressure at rest k0 = 0,5 Density ρ = 1,8 t/m³ Therefore: Poisson’s ratio: z y k 0 ν = 1+ k = 0,333 0 Shear modulus: ( ) S Young’s modulus: E 2( 1+ ν) G Boundary conditions: x 10 m E 1− 2ν G = =10000 kN/m² 2 1− ν = =26670 kN/m² lower boundary y = 0: ux = uy = uz = 0 side boundary x = 0 bzw. 10: ux = 0 side boundary z = 0 bzw. 1: uz = 0 1 m theory see [6-19] 50 USER’S MANUAL, January, 2013
Elements: Solid45 Load history: 1st Load step: installation 1st layer (material 1) 2nd Load step: installation 2nd layer (material 2) 3rd Load step: installation 3rd layer (material 3) Reference solution: (bsp1.dat) path plots along the boundary at x = 0 Stresses in load step 3 Coefficient of earth pressure sx / sy in load step 3 51 USER’S MANUAL, January, 2013
Page 1 and 2: User’s Manual multiPlas Release 4
Page 3 and 4: CONTENT 1 INTRODUCTION.............
Page 5 and 6: 1 INTRODUCTION This manual describe
Page 7 and 8: 3 THEORY OF THE MULTIPLAS MATERIAL
Page 9 and 10: 3.3 Computed yield surfaces 3.3.1 I
Page 11 and 12: Necessary material parameters in th
Page 13 and 14: Residual strength can be defined. T
Page 15 and 16: interim values or blending with Moh
Page 17 and 18: -σm a) b) Fig. 3-10 Singular Druck
Page 19 and 20: This model guaranties a consistent
Page 21 and 22: Tab. 3-1 Temperature dependency of
Page 23 and 24: F1 (F11) Tension failure brick F2 (
Page 25 and 26: 3.3.8 Wood modelling using a boxed-
Page 27 and 28: Fig. 3-24 Stress-strain relation -
Page 29 and 30: 4 COMMANDS 4.1 Material Models LAW
Page 31 and 32: 4.2.2 LAW = 2 - Modified Drucker-Pr
Page 33 and 34: 4.2.4 LAW = 8 - Modified Drucker-Pr
Page 35 and 36: 4.2.5 LAW = 9 - Concrete 1 2 3 4 5
Page 37 and 38: 4.2.6 LAW = 11 - Fixed Crack Model
Page 39 and 40: tempd switch for temperature depend
Page 41 and 42: Overview input parameter of the rel
Page 43 and 44: 4.2.10 LAW = 40 - Geological Drucke
Page 45 and 46: 4.3 Numerical control variables eps
Page 47 and 48: The global load step bisection can
Page 49: Output for LAW 33: scale active yie
Page 53 and 54: Reference solution: Example 2 - Cal
Page 59 and 60: Equivalent plastic strain 59 USER
Page 61 and 62: Total deformation usum (mm) Equival
Page 63 and 64: 5.5 Example 10 - Concrete-model DRU
Page 65 and 66: 5.6 Example 11 - Concrete-model DRU
Page 67 and 68: 5.7 Example 12 - Masonry-model with
Page 69 and 70: 5.9 Example 14 - Masonry-model with
Page 71 and 72: 5.11 Example 16 - Masonry-model wit
Page 73 and 74: 5.13 Example 18 - Masonry-model (LA
Page 75 and 76: 5.15 Example 20 - Wood-model (LAW=3
Page 77 and 78: 5.16 Example 21 - Wood-model (LAW=3
Page 79 and 80: 5.17 Example 22 - Single Joint Shea
Page 81 and 82: 6 REFERENCES [6-1] ANSYS Users Manu
Page 83 and 84: 7 APENDIX USER INFERFACE - USERMPLS
Page 85 and 86: 85 USER’S MANUAL, January, 2013
Page 87: Contact & Distributors Germany & wo

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