Supercomputers in seismic exploration:
Saved in:
| Main Author: | |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
Oxford [u.a.]
Pergamon Press
1989
|
| Edition: | 1. ed. |
| Series: | Handbook of geophysical exploration
Section 1, Seismic exploration ; 21 |
| Subjects: | |
| Online Access: | Inhaltsverzeichnis |
| Physical Description: | IX, 312 S. Ill., graph. Darst. |
| ISBN: | 0080370187 |
Staff View
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| 250 | |a 1. ed. | ||
| 264 | 1 | |a Oxford [u.a.] |b Pergamon Press |c 1989 | |
| 300 | |a IX, 312 S. |b Ill., graph. Darst. | ||
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| 490 | 1 | |a Handbook of geophysical exploration : Section 1, Seismic exploration |v 21 | |
| 650 | 7 | |a Ordinateurs |2 ram | |
| 650 | 7 | |a Prospection sismique - Informatique |2 ram | |
| 650 | 4 | |a Datenverarbeitung | |
| 650 | 4 | |a Seismic prospecting |x Data processing | |
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Record in the Search Index
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| adam_text | SEISMIC EXPLORATION
Volume 21
SUPERCOMPUTERS IN
SEISMIC EXPLORATION
by
E EISNER
Texaco
Houston, Texas, USA
PERGAMON PRESS
OXFORD • NEW YORK • BEIJING • FRANKFURT
SAO PAULO • SYDNEY • TOKYO • TORONTO
VII
TABLE OF CONTENTS
1 Is 3-D Wave-equation Modeling Feasible in the next Ten Years? 1
Background 1
A Typical Seismic Model 2
^-Numerical Methods 3
Parallel Computers 5
Finite Differences on a Hypercube 6
Is Realistic 3-D Modeling Possible in Ten Years? 7
Acknowledgments 9
References 9
2 Three-dimensional Seismic Processing, Migration, and Modeling
using Parallel Processing on Cray Supercomputers 11
Introduction 11
Cray X-MP Hardware and Software 11
Three-dimensional Standard Processing 18
Three-dimensional Migration 24
Three-dimensional Forward Modeling 31
3 Wave Equation Computations and Truly Parallel Processing 35
Introduction 36
Time Evolution 38
Depth Extrapolation 41
Parallel Implementation 44
Outline Design of an Efficient Parallel Wave Equation Processor 48
Discussion 50
Appendix I: Time Evolution of Elastic and Acoustic Waves 51
Appendix II: Depth Extrapolation of Elastic and Acoustic Waves 52
Acknowledgments 53
References 54
4 Advances in High Performance Processing of Seismic Data 55
Introduction 55
Hardware Advances 56
Channels 65
Tapes 66
Optical Disks 67
Hyperdisks 69
Rasterizers and Plotters 70
Advances in Software 70
Implementation: Realities and Pitfalls 71
Conclusion 77
References 78
5 Parallel and Optical Architectures for Modeling and Inversion 81
Introduction 81
Algorithms for Modeling and Inversion 83
VIII
Computer Architecture Issues 96
Optical Computing Issues 105
Performance of Architectures with Algorithms 109
Optical Architectures 116
Conclusion 136
References 136
6 Seismic Data Processing on a SIMD Array Parallel
,- Supercomputer 140
Introduction 140
Performance Requirements 141
From Array Processors to Processor Arrays 142
SIMD Array Supercomputers 144
Geophysical Processes in Parallel 150
Conclusions 157
References 158
7 Hypercube Supercomputing 159
Introduction 159
Design Issues for Multiprocessor Computers 160
The Hypercube Multiprocessor Computer 164
Hardware Operating System, Software 166
The Hypercube Interconnection Network 168
Programming the Hypercube 171
Partitioning Techniques 173
Application Examples 175
Application Programs 178
Seismic Data Processing Example 179
Conclusions 180
References 181
8 Large Scale Elastic Wavefield Inversion 184
Summary 184
The Seismologists Dream 185
Inversion Using Seismic Wave Simulations 188
Simulating Seismic Waves 192
Parallelism in Nature and Computers 194
Initial Tests 200
Conclusions 201
References 202
9 The Future of Iterative Modeling in Geophysical Exploration 203
Abstract 203
What is Iterative Modeling? 203
Iterative Modeling Using Substructure Analysis 205
Iterative Modeling by Partial Factorization 212
Iterative Modeling by Homotopy Methods 221
Iterative Modeling Using Taylor Series Expansions 224
Conclusions 227
References 228
IX
10 Application of Supercomputers in Three-dimensional Seismic
Modeling 229
Introduction 229
The Conventional Approach 231
Some Practical Problems 234
A Simple Higher-order Algorithm 235
Grid Dispersion and Numerical Stability 236
Problems Related to Model Boundaries 237
Pseudo-spectral and Other Schemes 238
Applications 247
Concluding Remarks 250
References 251
11 A Fast Boundary Integral Solution for the Acoustic Response of
Three-dimensional Axi-symmetric Scatterers 252
Abstract 252
Introduction 252
Three-dimensional Modeling Algorithm 253
Theory 255
Numerical Examples 257
Summary 270
Appendix 272
Bie Formulation 272
Numerical Algorithm 273
References 277
12 Supercomputers in Reservoir Simulation: Past, Present, and
Future 279
Introduction 279
Background on Reservoir Simulation 280
Past and Present Use of Supercomputers 292
Future Use of Supercomputers 299
References 304
INDEX 309
|
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| id | DE-604.BV039522604 |
| illustrated | Illustrated |
| indexdate | 2024-07-10T00:05:26Z |
| institution | BVB |
| isbn | 0080370187 |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-024375055 |
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| physical | IX, 312 S. Ill., graph. Darst. |
| publishDate | 1989 |
| publishDateSearch | 1989 |
| publishDateSort | 1989 |
| publisher | Pergamon Press |
| record_format | marc |
| series | Handbook of geophysical exploration |
| series2 | Handbook of geophysical exploration : Section 1, Seismic exploration |
| spelling | Eisner, Elmer Verfasser aut Supercomputers in seismic exploration by E. Eisner 1. ed. Oxford [u.a.] Pergamon Press 1989 IX, 312 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Handbook of geophysical exploration : Section 1, Seismic exploration 21 Ordinateurs ram Prospection sismique - Informatique ram Datenverarbeitung Seismic prospecting Data processing Supercomputers Handbook of geophysical exploration Section 1, Seismic exploration ; 21 (DE-604)BV039522144 21 HEBIS Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=024375055&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Eisner, Elmer Supercomputers in seismic exploration Handbook of geophysical exploration Ordinateurs ram Prospection sismique - Informatique ram Datenverarbeitung Seismic prospecting Data processing Supercomputers |
| title | Supercomputers in seismic exploration |
| title_auth | Supercomputers in seismic exploration |
| title_exact_search | Supercomputers in seismic exploration |
| title_full | Supercomputers in seismic exploration by E. Eisner |
| title_fullStr | Supercomputers in seismic exploration by E. Eisner |
| title_full_unstemmed | Supercomputers in seismic exploration by E. Eisner |
| title_short | Supercomputers in seismic exploration |
| title_sort | supercomputers in seismic exploration |
| topic | Ordinateurs ram Prospection sismique - Informatique ram Datenverarbeitung Seismic prospecting Data processing Supercomputers |
| topic_facet | Ordinateurs Prospection sismique - Informatique Datenverarbeitung Seismic prospecting Data processing Supercomputers |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=024375055&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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