Computational simulation of nonlinear structures
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| COMPUTATIONAL SIMULATION OF NONLINEAR STRUCTURES Proposal to National Science Foundation - NSF97-120 Submitted September 8, 1997 Avi Singhal, Julia Muccino and Han Zhu Department of Civil Engineering College of Engineering & Applied Sciences Arizona State University Tempe, Arizona 85287-5306 e-mail: avi.singhal@asu.edu PROPOSAL SUBMITTED TO NATIONAL SCIENCE FOUNDATION
Arizona State Universtiy Box 871603 Tempe, AZ 85287-1603
7. Principal Investigator: Dr. Avi Singhal Co-Principal Investigators: Dr. Julia Muccino, and Dr. Han Zhu Department: Civil Engineering Area Code/Phone #: (602)965-6901 Fax #: (602)897-0167
Sponsored Projects Officer Office of Research and Creative Activities Arizona State University Box 871603 Tempe, Arizona 85287-1603
___________________________ Date of Submission: 9.8.97 Janice D. Bennett, Director Office of Research and Creative Activities COMPUTATIONAL SIMULATION OF NONLINEAR STRUCTURES SUMMARY SHEET Principal Investigators: Dr. Avi Singhal, P.E., Professor Department of Civil Engineering Tel: (602) 965-6901 Fax: (602) 727-6192 Email: avi.singhal@asu.edu Co-Principal Investigator: Dr. Julia Muccino, Assistant Professor Tel: (602) 965-0598 Co-Principal Investigator: Dr. Han Zhu, Assistant Professor Tel: (602) 965-2645 Administrative Officer: Ms. Lori Gabriel Sponsored Project Officer Office of Sponsored Projects Tel: (602) 727-6527 Fax: (602) 965-0649 Proposed Period: 10/1/97 - 3/31/00 Type of Award: Grant (No Profit) PROJECT SUMMARY MODELING AND SIMULATION OF NONLINEAR STRUCTURES The focus area of this research is to improve and expand fundamental computational mechanics knowledge in the areas of nonlinear, large deformation behavior of structures subjected to quasi-static and dynamic loadings. The shift from test base to simulation base design environment requires accurate, robust, and efficient computer codes, which model large displacements and length and time-scale mechanics. For challenging engineering simulation problems, this research employs advanced concepts in solid mechanics by using new fundamental equations for structures undergoing nonlinear large displacement. Effects of large displacement, and large rotations are included in the compatibility equations. New algorithms will be developed which will be robust, reliable, efficient and scalable on parallel computing platforms. The results from this analysis will be compared with actual data already obtained from the experiments. Such a comparison will validate and otherwise support the development of above computational technology. TABLE OF CONTENTS Page PROJECT SUMMARY 6 TABLE OF CONTENTS 7 PROJECT DESCRIPTION 8 PRESENT METHODS 9 ACCURACY OF MULTI VALUE METHODS 10 DEFICIENCIES IN PRESENT COMPUTATION CAPABILITY 10 PROPOSED OBJECTIVES 10 SCIENTIFIC APPROACH 11 PROPOSED TASKS 13 BIBLIOGRAPHY 14 FACILITIES AVAILABLE 15 PRINCIPAL INVESTIGATOR AND STAFF 15 MANAGEMENT PLAN 16 TIME SCHEDULE 16 BIOGRAPHICAL SKETCH 17 BUDGET 21 AUTHORIZATION FOR SANDIA LAB 24 |
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