## Metal Forming and the Finite-Element MethodThe application of computer-aided design and manufacturing techniques is becoming essential in modern metal-forming technology. Thus process modeling for the determination of deformation mechanics has been a major concern in research . In light of these developments, the finite element method--a technique by which an object is decomposed into pieces and treated as isolated, interacting sections--has steadily assumed increased importance. This volume addresses advances in modern metal-forming technology, computer-aided design and engineering, and the finite element method. |

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### Contents

1 | |

2 MetalForming Processes | 8 |

3 Analysis and Technology in Metal Forming | 26 |

4 Plasticity and Viscoplasticity | 54 |

5 Methods of Analysis | 73 |

6 The FiniteElement MethodPart I | 90 |

7 The FiniteElement MethodPart II | 111 |

8 PlaneStrain Problems | 131 |

11 SheetMetal Forming | 189 |

12 ThermoViscoplastic Analysis | 222 |

13 Compaction and Forging of Porous Metals | 244 |

14 ThreeDimensional Problems | 275 |

15 Preform Design in Metal Forming | 298 |

16 Solid Formulation Comparison of Two Formulations and Concluding Remarks | 321 |

Appendix The FEM Code SPID Simple Plastic Incremental Deformation | 338 |

371 | |

### Other editions - View all

Metal Forming and the Finite-element Method Shiro Kobayashi,Shirō Kobayashi,Soo-Ik Oh,Taylan Altan Limited preview - 1989 |

### Common terms and phrases

Altan analysis anisotropy applications approximate ASME axisymmetric backward tracing billet blank boundary conditions calculated Chap coefficient components computed constitutive equations determined displacement drawing effective strain-rate elastic-plastic Engr experimental extrusion Finite Element Analysis Finite Element Method finite-element method flow stress Forming Processes friction conditions friction factor frictional stress geometry grid distortions increment initial INPT integration points iteration Kobayashi linear load lubricant Mech mesh metal flow Metal Forming metal-forming processes nodal point node nonwork-hardening NUMNP obtained ēr ēr ēr plane-strain plastic deformation porous materials predicted preform design preform shape problems Proc punch radius reduction in height relative density rigid-plastic ring compression rolling shape functions shear Sheet Metal Sheet Metal Forming shell shown in Fig simulation solid solution SPID stiffness equation stiffness matrix SUBROUTINE surface theory three-dimensional traction upper-bound variational vector velocity field viscoplastic workpiece WRITE(IUNIT yield stress