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PFC3D 3.1 manual.pdf

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    CONTENTS FOR PFC3D VERSION 3.1 MANUAL
    User's Guide
    User's Guide : Cover
    User's Guide : Terms and Conditions
    User's Guide : Precis
    User's Guide : Table of Contents
    User's Guide : 1 : Introduction
    User's Guide : 2 : Getting Started
    User's Guide : 3 : Problem Solving with PFC3D
    User's Guide : 4 : FISH Beginner's Guide
    User's Guide : 5 : Miscellaneous
    User's Guide : 6 : Bibliography
    Command Reference
    Command Reference : Cover
    Command Reference : Table of Contents
    Theory and Background : 1 : General Formulation
    FISH in PFC3D
    FISH in PFC3D : Cover
    FISH in PFC3D : Precis
    FISH in PFC3D : Table of Contents
    FISH in PFC3D : 1 : FISH Beginner's Guide
    FISH in PFC3D : 2 : FISH Reference
    FISH in PFC3D : 3 : Augmented FishTank
    FISH in PFC3D : 4 : AC/DC (Adaptive Continuum/DisContinuum) Logic
    Theory and Background
    Theory and Background : Cover
    Theory and Background : Precis
    Theory and Background : Table of Contents
    Command Reference : 1 : Command Reference
    Theory and Background : 2 : Contact Constitutive Models
    Theory and Background : 3 : Implementation Issues
    Theory and Background : 4 : Clump Logic
    Theory and Background : 5 : General Wall Logic
    Optional Features
    Optional Features : Cover
    Optional Features : Precis
    Optional Features : Table of Contents
    Optional Features : 1 : Thermal Option
    Optional Features : 2 : Fixed Coarse-Grid Fluid Scheme
    Optional Features : 3 : User-Written C++ Code
    Optional Features : 4 : Parallel Processing
    Optional Features : 5 : Writing New Contact Models
    Optional Features : 6 : Post-processing with IV, the Itasca Viewer
    Verification Problems and Example Applications
    Verification Problems and Example Applications
    Verification Problems and Example Applications : Cover
    Verification Problems and Example Applications : Precis
    Verification Problems and Example Applications : Table of Contents
    Verification Problems : 1 : Tip-Loaded Cantilever Beam
    Verification Problems : 2 : Energy Computations
    Verification Problems : 3 : Collisions with a Particle Assembly
    Verification Problems : 4 : Porosity Computations
    Verification Problems : 5 : Strength of a Face-Centered Cubic Array of Uniform Rigid Spheres
    Verification Problems : 6 : Verification of the Hertz-Mindlin Contact Model
    Verification Problems : 7 : Relation between Restitution Coefficient and Damping Constant
    Example Applications
    Example Applications : 1 : Triaxial and Brazilian Tests
    Example Applications : 2 : Angle-of-Repose Test
    Example Applications : 3 : Granular Flow from a Hopper
    Example Applications : 4 : Mine Block-Caving Process
    Example Applications : 5 : Rockfall
    Example Applications : 6 : Dynamics of a Beam-Column Structure
    Example Applications : 7 : Wave Propagation in Particle Assemblies
    Example Applications : 8 : Triaxial Test on a Face-Centered Cubic Array of Rigid Particles
    Example Applications : 9 : Experiments in Geometry with FISH
    Example Applications : 10 : Incorporation of Fluid Coupling in PFC3D
    Command and FISH Reference Summary
    Command and FISH Reference Summary : Cover
    Command and FISH Reference Summary : Precis
    Command and FISH Reference Summary : Table of Contents
    Command and FISH Reference Summary : 1 : Command Summary
    Command and FISH Reference Summary : 2 : FISH Statement Summary
    Online Contents - 1 PFC3D Particle Flow Code in 3 Dimensions Online Manual Table of Contents USER’S GUIDE Frontispiece Terms and Conditions Precis Table of Contents Section 1 : Introduction Section 2 : Getting Started Section 3 : Problem Solving with PFC3D Section 4 : FISH Beginner’s Guide Section 5 : Miscellaneous Section 6 : Bibliography COMMAND REFERENCE Frontispiece Table of Contents Section 1 : Command Reference PFC3D Version 3.1
    Online Contents - 2 FISH IN PFC3D Frontispiece Precis Table of Contents Section 1 : FISH Beginner’s Guide Section 2 : FISH Reference Section 3 : Augmented FishTank Section 4 : AC/DC (Adaptive Continuum/DisContinuum) Logic THEORY AND BACKGROUND Frontispiece Precis Table of Contents Section 1 : General Formulation Section 2 : Contact Constitutive Models Section 3 : Implementation Issues Section 4 : Clump Logic Section 5 : General Wall Logic OPTIONAL FEATURES Frontispiece Precis Table of Contents Section 1 : Thermal Option Section 2 : Fixed Coarse-Grid Fluid Scheme Section 3 : User-Written C++ Code Section 4 : Parallel Processing Section 5 : Writing New Contact Models Section 6 : Post-processing with Iv, the Itasca Viewer PFC3D Version 3.1
    Online Contents - 3 VERIFICATION PROBLEMS AND EXAMPLE APPLICATIONS Frontispiece Precis Table of Contents Tip-Loaded Cantilever Beam Energy Computations Collisions with a Particle Assembly Porosity Computations Strength of a Face-Centered Cubic Array of Uniform Rigid Spheres Verification of the Hertz-Mindlin Contact Model Relation between Restitution Coefficient and Damping Constant Triaxial and Brazilian Tests Angle-of-Repose Test Granular Flow from a Hopper Mine Block-Caving Process Rockfall Dynamics of a Beam-Column Structure Wave Propagation in Particle Assemblies Triaxial Test on a Face-Centered Cubic Array of Rigid Particles Experiments in Geometry with FISH Incorporation of Fluid Coupling in PFC3D COMMAND AND FISH REFERENCE SUMMARY Frontispiece Precis Table of Contents Command Summary FISH Statement Summary PFC3D Version 3.1
    PFC3D Particle Flow Code in 3 Dimensions User’s Guide PFC3D 3.10 Settings: ModelPerspective Step 6700 16:36:06 Wed Aug 18 2004 Center: X: 5.000e+000 Y: 1.000e+000 Z: -2.501e+000 Dist: 3.152e+001 Rotation X: 20.000 Y: 0.000 Z: 0.000 Mag.: 1 Ang.: 22.500 Ball Wall CForce Chains Compression Tension Maximum = 4.690e+006 Axes Linestyle Job Title: Tutorial Example View Title: Loaded footing Z Y X Itasca Consulting Group, Inc. Minneapolis, MN USA ©2005 Itasca Consulting Group, Inc. Mill Place 111 Third Avenue South, Suite 450 Minneapolis, Minnesota 55401 USA Phone: Fax: E-Mail: Web: (1) 612-371-4711 (1) 612·371·4717 software@itascacg.com www.itascacg.com
    First Edition (Version 2.0) November 1999 Second Edition (Version 3.0) June 2003 Third Edition (Version 3.1) July 2005
    User’s Guide Terms - 1 Terms and Conditions for Licensing PFC3D YOU SHOULD READ THE FOLLOWING TERMS AND CONDITIONS CAREFULLY BEFORE USING THE PFC3D PROGRAM. INSTALLATION OF THE PFC3D PROGRAM INTO YOUR COMPUTER INDICATES YOUR ACCEPTANCE OF THESE TERMS AND CONDITIONS. IF YOU DO NOT AGREE WITH THEM, YOU SHOULD RETURN THE PACKAGE PROMPTLY AND YOUR MONEY WILL BE REFUNDED. This program is provided by Itasca Consulting Group, Inc. Title to the media on which the program is recorded and to the documentation in support thereof is transferred to the customer, but title to the program is retained by Itasca. You assume responsibility for the selection of the program to achieve your intended results and for the installation of the program, the use of and the results obtained from the program. LICENSE • You may use the program on only one machine at any one time. • You may copy the program for back-up only in support of such use. • You may not use, copy, modify, or transfer the program, or any copy, in whole or part, except as expressly provided in this document. • You may not sell, sub-license, rent, or lease this program. TERMS The license is effective until terminated. You may terminate it any time by destroying the program together with any back-up copies and returning the hardware lock. It will also terminate if you fail to comply with any term or condition of this agreement. You agree upon such termination to destroy the program together with any back-up copies, modifications, and/or merged portions in any form and return the hardware lock to Itasca. WARRANTY Itasca will correct any errors in the code at no charge for twelve (12) months after the purchase date of the code. Notification of a suspected error must be made in writing, with a complete listing of the input and output files and description of the error. If, in the judgment of Itasca, the code does contain an error, Itasca will (at its option) correct or replace the copy at no cost to the user or refund the initial purchase price of the code. PFC3D Version 3.1
    Terms - 2 User’s Guide LIMITATION OF LIABILITY Itasca assumes no liability whatsoever with respect to any use of PFC3D or any portion thereof or with respect to any damages or losses that may result from such use, including (without limitation) loss of time, money or goodwill that may arise from the use of PFC3D (including any modifications or updates that may follow). In no event shall Itasca be responsible for any indirect, special, incidental or consequential damages arising from use of PFC3D. CODE SUPPORT Itasca will provide telephone support, at no charge, to assist the code owner in the installation of the PFC3D code on his or her computer system. Additionally, general assistance may be provided in aiding the owner in understanding the capabilities of the various features of the code. However, no-cost assistance is not provided for help in applying PFC3D to specific user-defined problems. Technical support can be purchased on an as-needed basis. For users who envisage the need for substantial amounts of assistance, consulting support is available. In all instances, the user is encouraged to send the problem description to Itasca by electronic mail in order to minimize the amount of time spent trying to define the problem. See Section 5 for details. PFC3D Version 3.1
    User’s Guide PRECIS 1 This volume is the user’s guide to PFC3D and contains general information on the operation of the program. Section 1 gives an introduction to the capabilities and applications of PFC3D. An overview of the new features in the latest version is also provided. The first-time user should consult Section 2 for an introduction to the operation of PFC3D. The installation and operation procedures are given along with a simple tutorial to guide the new user through a PFC3D analysis. Section 3 provides general guidance in the use of PFC3D for problem solving. The discussion is oriented toward geotechnical engineering applications, but the guidance may be applied in general to studies of the mechanical behavior of discontinuous systems. An introduction to the built-in programming language, FISH, is given in Section 4. This includes a tutorial on the use of the FISH language. Note that no programming experience is assumed. Various items of interest to PFC3D users are contained in Section 5, including a PFC3D runtime benchmark on several different types of computers and procedures for reporting errors and request- ing technical assistance. Section 6 contains a bibliography of published papers that describe applications of PFC3D and similar distinct-element programs that preceded PFC3D. The PFC3D manual consists of seven documents. The following list of volumes, which comprise the complete PFC3D manual, are available. USER’S GUIDE — an introduction to the capabilities and applications of PFC3D COMMAND REFERENCE — a complete description of the commands that control PFC3D FISH IN PFC3D — a complete description of the built-in programming language, FISH, and its application in PFC3D THEORY AND BACKGROUND — background information and descriptions of the theoretical basis for PFC3D OPTIONAL FEATURES — detailed description of the optional features: thermal analysis, fluid- flow analysis, C++ user-defined contact models, user-written C++ code, parallel processing, and high-speed graphics post-processing VERIFICATION PROBLEMS AND EXAMPLE APPLICATIONS — a series of verification problems and example applications that have been solved using PFC3D COMMAND AND FISH REFERENCE SUMMARY — a quick summary of all PFC3D commands and FISH statements PFC3D Version 3.1
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