| Preface |
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iii | |
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1 | (22) |
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1 | (1) |
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Analytical Approach---Limit Equilibrium |
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2 | (18) |
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4 | (1) |
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5 | (15) |
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Numerical Approach---Finite Element Method |
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20 | (3) |
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Basic Procedures in a Finite Element Analysis |
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23 | (16) |
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Basic Steps in a Finite Element Analysis |
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23 | (8) |
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31 | (8) |
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Constitutive Models for Agricultural Soils |
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39 | (74) |
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Concepts of Stress and Strain |
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40 | (7) |
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40 | (5) |
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45 | (2) |
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47 | (6) |
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47 | (2) |
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Bilinear and Multi-Linear Elastic Models |
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49 | (1) |
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50 | (3) |
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Rate-Dependent Hyperbolic Models |
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53 | (1) |
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53 | (32) |
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Classification of Plastic Models |
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56 | (1) |
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Underlying Assumptions of Soil Plasticity |
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57 | (11) |
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Complete Constitutive Model and Incremental Procedure |
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68 | (5) |
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Case Study: An Elasto-Plastic Model for an Agricultural Cohesive Soil |
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73 | (12) |
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85 | (28) |
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87 | (3) |
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Elasto-Viscoplastic Model |
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90 | (3) |
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93 | (20) |
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Simulation of Soil-Metal Interfaces |
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113 | (38) |
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113 | (14) |
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Friction Element Modeling |
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127 | (6) |
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Thin-Layer Element Modeling |
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133 | (4) |
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Shear Stress-Displacement Relation for an Interface Element |
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137 | (5) |
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Case Study: Numerical Simulation of Friction Behavior at a Soil-Tool Interface |
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142 | (9) |
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142 | (1) |
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Analytical Results and Discussion |
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143 | (8) |
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Algorithms in Static, Dynamic, Linear, and Non-Linear Finite Element Analyses |
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151 | (80) |
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152 | (27) |
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153 | (21) |
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174 | (5) |
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179 | (27) |
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Methods for Solving a Non-Linear Equation |
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180 | (9) |
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Methods for Solving Non-Linear Elastic Problems |
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189 | (8) |
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Methods for Solving Non-Linear Elasto-Plastic Problems |
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197 | (9) |
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206 | (16) |
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Geometric Linear Strain Formula |
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209 | (2) |
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Geometric Non-Linear Strain Formula |
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211 | (1) |
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Numerical Simulation of Large Soil Deformation |
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212 | (10) |
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222 | (9) |
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Algorithm Associated with the Newmark Method |
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223 | (4) |
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Algorithm Associated with the Wilson-&ths; Method |
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227 | (4) |
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Examples of Soil-Tool Interaction |
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231 | (54) |
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Milestones in Finite Element Analysis of Soil-Tool Interaction |
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231 | (19) |
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Plane Soil Cutting (Yong and Hanna) |
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231 | (3) |
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Two-Dimensional Soil Cutting (Xie) |
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234 | (2) |
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Fuzzy and Dynamic Finite Element Analysis (Xie and Zhang) |
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236 | (5) |
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Friction Element Analysis of Three-Dimensional Cutting (Liu and Hou) |
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241 | (2) |
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Three-Dimensional Analysis of Soil Failure with Curved Tools (Chi and Kushwaha) |
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243 | (7) |
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Analysis of Tillage Process |
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250 | (19) |
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254 | (3) |
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Analytical Results and Discussions |
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257 | (10) |
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267 | (2) |
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Effect of Numerical Parameters on Finite Element Analysis |
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269 | (16) |
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Idealized Interaction Between Soil and Tool |
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269 | (7) |
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276 | (1) |
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Dynamic Effect of Tillage |
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277 | (6) |
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283 | (2) |
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Programming Techniques for Finite Element Analyses |
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285 | (34) |
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285 | (3) |
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Introduction to FORTRAN Language |
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286 | (1) |
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Introduction to PASCAL and C Languages |
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287 | (1) |
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Notations for Evaluating the Cost of Memory Storage or Execution Time |
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288 | (1) |
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Strategies for Memory Management |
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289 | (13) |
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Introduction to Memory Hierarchy |
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290 | (2) |
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Allocation of Main Physical Memory |
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292 | (4) |
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Extension of Main Memory Space Using Virtual Memory Management |
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296 | (2) |
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Case Study: Memory Management in DOS Environment |
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298 | (1) |
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Variable Band Storage of Global Stiffness Matrix K |
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299 | (3) |
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Strategies for Reducing the Time Cost of Calculation |
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302 | (17) |
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302 | (3) |
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General Criteria and Methods in Reducing the Execution Time |
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305 | (6) |
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Strategies in Reducing the Execution Time of a FEM Program |
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311 | (8) |
| References |
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319 | (8) |
| Index |
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327 | |
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